High-Confidence Ransomware Build Identified Through 64-Bit Console Execution

  • February 6, 2026
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Zero‑Dwell Threat Intelligence Report

A narrative, executive‑ready view into the malware’s behavior, exposure, and reliable defenses.
Generated: 2026-02-06 11:46:16 UTC

Executive Overview — What We’re Dealing With

This specimen has persisted long enough to matter. Human experts classified it as Malware, and the telemetry confirms a capable, evasive Trojan with real impact potential.

File
4fcyaik.exe
Type
Win64 Executable (generic)
SHA‑1
d875d7e99f45c87e667dbebb8d8596182bdb94df
MD5
0a454a07e071971832985701bc6e9164
First Seen
2026-02-04 10:42:09.239033
Last Analysis
2026-02-04 11:43:59.429608
Dwell Time
0 days, 7 hours, 33 minutes

Extended Dwell Time Impact

For 1+ hours, this malware remained undetected — a limited but sufficient window for the adversary to complete initial execution and establish basic system access.

Comparative Context

Industry studies report a median dwell time closer to 21–24 days. This case represents rapid detection and containment within hours rather than days.

Timeline

Time (UTC) Event Elapsed
2025-12-15 20:09:45 UTC First VirusTotal submission
2026-02-06 07:32:51 UTC Latest analysis snapshot 52 days, 11 hours, 23 minutes
2026-02-06 11:46:16 UTC Report generation time 52 days, 15 hours, 36 minutes

Why It Matters

Every additional day of dwell time is not just an abstract number — it is attacker opportunity. Each day equates to more time for lateral movement, stealth persistence, and intelligence gathering.

Global Detection Posture — Who Caught It, Who Missed It

VirusTotal engines: 73. Detected as malicious: 50. Missed: 23. Coverage: 68.5%.

Detected Vendors

  • Xcitium
  • +49 additional vendors (names not provided)

List includes Xcitium plus an additional 49 vendors per the provided summary.

Missed Vendors

  • Acronis
  • APEX
  • Avira
  • Baidu
  • CMC
  • DrWeb
  • F-Secure
  • google_safebrowsing
  • Jiangmin
  • Lionic
  • NANO-Antivirus
  • SentinelOne
  • Skyhigh
  • SUPERAntiSpyware
  • TACHYON
  • tehtris
  • Trapmine
  • VBA32
  • VirIT
  • Webroot
  • Yandex
  • ZoneAlarm
  • Zoner

Why it matters: if any endpoint relies solely on a missed engine, this malware can operate with zero alerts. Prevention‑first controls close that gap regardless of signature lag.

Behavioral Storyline — How the Malware Operates

Dominant system-level operations (72.22% of behavior) suggest this malware performs deep system reconnaissance, privilege escalation, or core OS manipulation. It’s actively probing system defenses and attempting to gain administrative control.

Behavior Categories (weighted)

Weight values represent the frequency and intensity of malware interactions with specific system components. Higher weights indicate more aggressive targeting of that category. Each operation (registry access, file modification, network connection, etc.) contributes to the category’s total weight, providing a quantitative measure of the malware’s behavioral focus.

Category Weight Percentage
System 13 72.22%
Process 2 11.11%
Registry 2 11.11%
File System 1 5.56%

MITRE ATT&CK Mapping

  • T1027 – reference AES constants
  • T1027 – encrypt data using AES via x86 extensions
  • T1027 – encrypt data using AES
  • T1027 – encode data using Base64
  • T1027 – encrypt data using RC4 PRGA
  • T1129 – get kernel32 base address
  • T1027 – encode data using XOR
  • T1027 – encrypt data using Salsa20 or ChaCha
  • T1140 – decrypt data using AES via x86 extensions
  • T1129 – access PEB ldr_data
  • T1027 – reference Base64 string
  • T1064 – Attempts to execute suspicious powershell command arguments
  • T1064 – A scripting utility was executed
  • T1027 – The binary contains an unknown PE section name indicative of packing
  • T1027.002 – The binary contains an unknown PE section name indicative of packing
  • T1082 – Checks available memory
  • T1071 – Reads from the memory of another process
  • T1071 – At least one IP Address, Domain, or File Name was found in a crypto call
  • T1106 – Guard pages use detected – possible anti-debugging.
  • T1059 – Attempts to execute suspicious powershell command arguments
  • T1059 – A scripting utility was executed
  • T1059.001 – Attempts to execute suspicious powershell command arguments
  • T1036 – Creates files inside the user directory
  • T1497 – May sleep (evasive loops) to hinder dynamic analysis
  • T1027.002 – PE file has section (not .text) which is very likely to contain packed code (zlib compression ratio < 0.011)
  • T1057 – Queries a list of all running processes
  • T1082 – Queries the volume information (name, serial number etc) of a device
  • T1090 – Found Tor onion address

Following the Trail — Network & DNS Activity

Outbound activity leans on reputable infrastructure (e.g., CDNs, cloud endpoints) to blend in. TLS sessions and
HTTP calls show routine beaconing and IP‑lookup behavior that can masquerade as normal browsing.

Contacted Domains

Domain IP Country ASN/Org
www.msftncsi.com 23.219.36.108 United States Akamai Technologies, Inc.

Observed IPs

IP Country ASN/Org
224.0.0.252
239.255.255.250
8.8.4.4 United States Google LLC
8.8.8.8 United States Google LLC

DNS Queries

Request Type
5isohu.com A
www.msftncsi.com A

Contacted IPs

IP Country ASN/Org
224.0.0.252
239.255.255.250
8.8.4.4 United States Google LLC
8.8.8.8 United States Google LLC

Port Distribution

Port Count Protocols
137 1 udp
5355 5 udp
53 4 udp
3702 1 udp

UDP Packets

Source IP Dest IP Sport Dport Time Proto
192.168.56.13 192.168.56.255 137 137 7.327224969863892 udp
192.168.56.13 224.0.0.252 49311 5355 9.81001091003418 udp
192.168.56.13 224.0.0.252 55150 5355 7.2550389766693115 udp
192.168.56.13 224.0.0.252 60010 5355 9.45181393623352 udp
192.168.56.13 224.0.0.252 62406 5355 7.257297992706299 udp
192.168.56.13 224.0.0.252 63527 5355 8.064151048660278 udp
192.168.56.13 239.255.255.250 52252 3702 7.2633819580078125 udp
192.168.56.13 8.8.4.4 54879 53 12.059716939926147 udp
192.168.56.13 8.8.4.4 54881 53 10.826169967651367 udp
192.168.56.13 8.8.8.8 54879 53 13.059792041778564 udp
192.168.56.13 8.8.8.8 54881 53 11.826606035232544 udp

Hunting tip: alert on unknown binaries initiating TLS to IP‑lookup services or unusual CDN endpoints — especially early in execution.

Persistence & Policy — Registry and Services

Registry and service telemetry points to policy awareness and environment reconnaissance rather than noisy persistence. Below is a compact view of the most relevant keys and handles; expand to see the full lists where available.

Registry Opened

122

Registry Set

0

Services Started

2

Services Opened

2

Registry Opened (Top 25)

Key
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\ProgramFilesDir (x86)
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Cryptography\OID\EncodingType 0\CryptSIPDllPutSignedDataMsg\{1629F04E-2799-4DB5-8FE5-ACE10F17EBAB}
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\.NETFramework\InstallRoot
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Cryptography\OID\EncodingType 0\CertDllCreateCertificateChainEngine\Config\DisableUnsupportedCriticalExtensions
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\PowerShell
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\.NETFramework\HillClimbing_TargetSignalToNoiseRatio
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\.NETFramework\UseLegacyV2RuntimeActivationPolicyDefaultValue
HKEY_LOCAL_MACHINE\Software\Microsoft\Cryptography\Wintrust\Config
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Cryptography\OID\EncodingType 0\CertDllCreateCertificateChainEngine\Config\MaxVerifySignatureCountPerChain
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\.NETFramework\DisableConfigCache
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\.NETFramework\NGen\Policy\v4.0\OptimizeUsedBinaries
HKEY_CURRENT_USER\Software\Microsoft\Installer\Assemblies\Global
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Cryptography\OID\EncodingType 0\CryptSIPDllPutSignedDataMsg\{CF78C6DE-64A2-4799-B506-89ADFF5D16D6}
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Cryptography\OID\EncodingType 0\CryptSIPDllPutSignedDataMsg\{C689AAB8-8E78-11D0-8C47-00C04FC295EE}
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Cryptography\OID\EncodingType 0\CryptSIPDllPutSignedDataMsg\{DE351A43-8E59-11D0-8C47-00C04FC295EE}
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Ole\AppCompat\RaiseDefaultAuthnLevel
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\OLE\Diagnosis
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Cryptography\OID\EncodingType 1\CryptSIPDllPutSignedDataMsg
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\Lsa\FipsAlgorithmPolicy
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\CommonFilesDir
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Cryptography\OID\EncodingType 0\CryptSIPDllPutSignedDataMsg\{D1D04F0C-9ABA-430D-B0E4-D7E96ACCE66C}
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\CommonW6432Dir
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Cryptography\OID\EncodingType 0\CryptSIPDllPutSignedDataMsg\{1A610570-38CE-11D4-A2A3-00104BD35090}
HKEY_LOCAL_MACHINE\Software\Microsoft\StrongName
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\WindowsRuntime\ActivatableClassId
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Cryptography\OID\EncodingType 0\CryptSIPDllPutSignedDataMsg\{06C9E010-38CE-11D4-A2A3-00104BD35090}
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\AppModelUnlock\AllowDevelopmentWithoutDevLicense
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\WindowsRuntime\ActivatableClassId\Windows.Foundation.Diagnostics.AsyncCausalityTracer\Threading
HKEY_CURRENT_USER\Software\Microsoft\Installer\Assemblies\C:|Windows|System32|WindowsPowerShell|v1.0|powershell.exe.Config
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\ProgramFilesDir
HKEY_LOCAL_MACHINE\Software\Microsoft\Cryptography\OID\EncodingType 0\CertDllCreateCertificateChainEngine\Config
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\ProgramW6432Dir
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Cryptography\OID\EncodingType 0\CertDllCreateCertificateChainEngine\Config\DisableMandatoryBasicConstraints
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Cryptography\OID\EncodingType 0\CryptSIPDllPutSignedDataMsg\{0AC5DF4B-CE07-4DE2-B76E-23C839A09FD1}
HKEY_LOCAL_MACHINE\Software\Microsoft\OLE\AppCompat
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\.NETFramework\OnlyUseLatestCLR
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Cryptography\OID\EncodingType 0\CertDllCreateCertificateChainEngine\Config\MaxAIAUrlRetrievalCountPerChain
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\COM3\Com+Enabled
HKEY_LOCAL_MACHINE\Software\Microsoft\.NETFramework
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\Lsa\FipsAlgorithmPolicy\MDMEnabled
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\WindowsRuntime\ActivatableClassId\Windows.Foundation.Diagnostics.AsyncCausalityTracer\RemoteServer
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\PowerShell\3
HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\Appx
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Cryptography\OID\EncodingType 0\CryptSIPDllPutSignedDataMsg\{000C10F1-0000-0000-C000-000000000046}
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{00000134-0000-0000-C000-000000000046}\ProxyStubClsid32\(Default)
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Cryptography\OID\EncodingType 0\CertDllCreateCertificateChainEngine\Config\DisableCANameConstraints
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\WindowsRuntime\ActivatableClassId\Windows.Foundation.Diagnostics.AsyncCausalityTracer\ActivateInSharedBroker
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\NET Framework Setup\NDP\v4\Full
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\CommonFilesDir (x86)
HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion
Show all (122 total)
Key
HKEY_LOCAL_MACHINE\Software\Microsoft\Cryptography\OID
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\OLE
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\AppModelUnlock
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\Managed\S-1-5-21-4005801669-2598574594-602355426-1001\Installer\Assemblies\C:|Windows|System32|WindowsPowerShell|v1.0|powershell.exe.Config
HKEY_LOCAL_MACHINE\Software\Classes
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Cryptography\OID\EncodingType 0\CertDllCreateCertificateChainEngine\Config\MaxPathCountPerChain
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Cryptography\OID\EncodingType 0\CryptSIPDllPutSignedDataMsg\{9F3053C5-439D-4BF7-8A77-04F0450A1D9F}
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\WindowsRuntime\ActivatableClassId\Windows.Foundation.Diagnostics.AsyncCausalityTracer\ActivationType
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Cryptography\OID\EncodingType 0\CertDllCreateCertificateChainEngine\Config\MaxAIAUrlRetrievalByteCount
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\Lsa\FipsAlgorithmPolicy\Enabled
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Cryptography\OID\EncodingType 0\CryptSIPDllPutSignedDataMsg\{C689AABA-8E78-11D0-8C47-00C04FC295EE}
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Cryptography\OID\EncodingType 1
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Cryptography\OID\EncodingType 0\CryptSIPDllPutSignedDataMsg
HKEY_LOCAL_MACHINE\Software\Microsoft\Windows NT\CurrentVersion\Image File Execution Options
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\.NETFramework\UseRyuJIT
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\WindowsRuntime\ActivatableClassId\Windows.Foundation.Diagnostics.AsyncCausalityTracer\Server
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\NET Framework Setup\NDP\v4\Full\Release
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\Lsa\FipsAlgorithmPolicy\STE
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Cryptography\OID\EncodingType 0\CertDllCreateCertificateChainEngine\Config\MaxIssuerDepth
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Cryptography\OID\EncodingType 0\CertDllCreateCertificateChainEngine\Config\MaxUrlRetrievalByteCount
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Ole\DefaultAccessPermission
HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\Appx\AllowDevelopmentWithoutDevLicense
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Cryptography\OID\EncodingType 0\CertDllCreateCertificateChainEngine\Config\MaxAIAUrlCountInCert
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{00000134-0000-0000-C000-000000000046}\ProxyStubClsid32
HKEY_LOCAL_MACHINE\Software\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\powershell.exe
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Cryptography\OID\EncodingType 0\CertDllCreateCertificateChainEngine\Config\MaxAIAUrlRetrievalCertCount
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\WindowsRuntime\ActivatableClassId\Windows.Foundation.Diagnostics.AsyncCausalityTracer\TrustLevel
HKEY_LOCAL_MACHINE\Software\Microsoft\AMSI
HKEY_LOCAL_MACHINE\Software\Microsoft\COM3
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\Managed\S-1-5-21-4005801669-2598574594-602355426-1001\Installer\Assemblies\Global
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\WindowsRuntime\ActivatableClassId\Windows.Foundation.Diagnostics.AsyncCausalityTracer\ActivateAsUser
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\WindowsRuntime\ActivatableClassId\Windows.Foundation.Diagnostics.AsyncCausalityTracer\Permissions
HKEY_CURRENT_USER\Software\Microsoft\.NETFramework
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\DevOverrideEnable
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\AMSI\FeatureBits
HKEY_LOCAL_MACHINE\Software\Microsoft\WindowsRuntime
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\WindowsRuntime\ActivatableClassId\Windows.Foundation.Diagnostics.AsyncCausalityTracer
HKEY_LOCAL_MACHINE\Software\Microsoft\OLE
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\WindowsRuntime\ActivatableClassId\Windows.Foundation.Diagnostics.AsyncCausalityTracer\ActivateInBrokerForMediumILContainer
HKEY_LOCAL_MACHINE\Software\Microsoft\.NETFramework\NGen\Policy\v4.0
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{00000134-0000-0000-C000-000000000046}
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\WindowsRuntime\ActivatableClassId\Windows.Foundation.Diagnostics.AsyncCausalityTracer\ActivateOnHostFlags
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\WindowsRuntime\ActivatableClassId\Windows.Foundation.Diagnostics.AsyncCausalityTracer\CustomAttributes
HKEY_LOCAL_MACHINE\Software\Microsoft\AMSI\Providers
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\AppID\powershell.exe
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\Session Manager\ResourcePolicies
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Ole\AppCompat\RaiseActivationAuthenticationLevel
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Cryptography\OID\EncodingType 0
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\WindowsRuntime\ActivatableClassId\Windows.Foundation.Diagnostics.AsyncCausalityTracer\DllPath
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Ole\MaxSxSHashCount
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Cryptography\OID\EncodingType 0\CryptSIPDllPutSignedDataMsg\{0F5F58B3-AADE-4B9A-A434-95742D92ECEB}
HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\MUI\Settings
HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\SystemCertificates\TrustedPeople
HKEY_CURRENT_USER\Software\Microsoft\Windows NT\CurrentVersion
HKEY_LOCAL_MACHINE\OSDATA\Software\Microsoft\Windows NT\CurrentVersion\AppCompatFlags
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager
HKEY_LOCAL_MACHINE\Software\Microsoft\Windows NT\CurrentVersion\AppCompatFlags
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders
HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\SystemCertificates\trust
HKEY_LOCAL_MACHINE\Software\Microsoft\Windows NT\CurrentVersion\AppCompatFlags\SdbUpdates
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing
HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\SystemCertificates\CA
HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\SystemCertificates\Disallowed
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Segment Heap
HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\SideBySide
HKEY_LOCAL_MACHINE\Software\Microsoft\Windows NT\CurrentVersion\AppCompatFlags\SdbUpdates\ManifestedMergeStubSdbs
HKEY_LOCAL_MACHINE\Software\Microsoft\Wow64\x86\xtajit
HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\SystemCertificates\Root
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\powershell.exe
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Policies\Microsoft\Cryptography\Configuration
HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows\Safer\CodeIdentifiers
HKEY_CURRENT_USER\Software\Microsoft\Windows NT\CurrentVersion\AppCompatFlags\Layers

Registry Set (Top 25)

Services Started (Top 15)

Service
BITS
WSearch

Services Opened (Top 15)

Service
VaultSvc
clipsvc

What To Do Now — Practical Defense Playbook

  • Contain unknowns: block first‑run binaries by default — signatures catch up, containment works now.
  • EDR controls: alert on keyboard hooks, screen capture APIs, VM/sandbox checks, and command‑shell launches.
  • Registry watch: flag queries/sets under policy paths (e.g., …\FipsAlgorithmPolicy\*).
  • Network rules: inspect outbound TLS to IP‑lookup services and unexpected CDN endpoints.
  • Hunt broadly: sweep endpoints for the indicators above and quarantine positives immediately.

Dwell time equals attacker opportunity. Reducing execution privileges and egress shrinks that window even when vendors disagree.

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