Secondary Payload Deployed via Dropper Component by Lynx Ransomware


Zero‑Dwell Threat Intelligence Report

A narrative, executive‑ready view into the malware’s behavior, exposure, and reliable defenses.
Generated: 2026-01-09 15:11:38 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
32tak.exe
Type
Generic CIL Executable (.NET, Mono, etc.)
SHA‑1
195a523b0cc3bd9d58db006fb956e0515c7200af
MD5
f8cd6ad44442f7811c62ec1fb7cb1b60
First Seen
2026-01-08 13:01:13.795330
Last Analysis
2026-01-08 13:06:36.733219
Dwell Time
0 days, 7 hours, 33 minutes

Extended Dwell Time Impact

For 5+ minutes, this malware was rapidly detected — demonstrating excellent security controls that intercepted the threat during initial execution phases, severely limiting adversary capabilities.

Comparative Context

Industry studies report a median dwell time closer to 21–24 days. This case represents extremely rapid detection within minutes.

Timeline

Time (UTC) Event Elapsed
2025-12-09 21:48:23 UTC First VirusTotal submission
2026-01-09 14:17:55 UTC Latest analysis snapshot 30 days, 16 hours, 29 minutes
2026-01-09 15:11:38 UTC Report generation time 30 days, 17 hours, 23 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: 72. Detected as malicious: 53. Missed: 19. Coverage: 73.6%.

Detected Vendors

  • Xcitium
  • +52 additional vendors (names not provided)

List includes Xcitium plus an additional 52 vendors per the provided summary.

Missed Vendors

  • Acronis
  • Antiy-AVL
  • Baidu
  • CAT-QuickHeal
  • CMC
  • Cynet
  • DrWeb
  • google_safebrowsing
  • Gridinsoft
  • Jiangmin
  • Skyhigh
  • SUPERAntiSpyware
  • TACHYON
  • tehtris
  • TrendMicro
  • 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.

MITRE ATT&CK Mapping

  • T1057 – find process by name
  • T1129 – link function at runtime on Windows
  • T1027 – obfuscated with Dotfuscator
  • T1027 – obfuscated with SmartAssembly
  • T1083 – get common file path
  • T1620 – load .NET assembly
  • T1083 – check if file exists
  • T1497.001 – reference anti-VM strings targeting Xen
  • T1070.004 – self delete
  • T1140 – decode data using Base64 in .NET
  • T1027 – obfuscated with Yano
  • T1562 – Tries to unhook or modify Windows functions monitored by CAPE
  • T1562.001 – Tries to unhook or modify Windows functions monitored by CAPE
  • T1027 – The binary likely contains encrypted or compressed data
  • T1027.002 – The binary likely contains encrypted or compressed data
  • T1539 – Touches a file containing cookies, possibly for information gathering
  • T1082 – Checks available memory
  • T1071 – Binary file triggered multiple YARA rules
  • T1071 – Terminates another process

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.

Observed IPs

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

DNS Queries

Request Type
5isohu.com A

Contacted IPs

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

Port Distribution

Port Count Protocols
137 1 udp
138 1 udp
5355 4 udp
53 2 udp

UDP Packets

Source IP Dest IP Sport Dport Time Proto
192.168.56.14 192.168.56.255 137 137 3.0833370685577393 udp
192.168.56.14 192.168.56.255 138 138 12.268465042114258 udp
192.168.56.14 224.0.0.252 51209 5355 3.009248971939087 udp
192.168.56.14 224.0.0.252 53401 5355 4.146643161773682 udp
192.168.56.14 224.0.0.252 55094 5355 5.563552141189575 udp
192.168.56.14 224.0.0.252 55848 5355 3.009608030319214 udp
192.168.56.14 8.8.4.4 52815 53 7.1933300495147705 udp
192.168.56.14 8.8.8.8 52815 53 8.187317132949829 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

101

Registry Set

0

Services Started

3

Services Opened

2

Registry Opened (Top 25)

Key
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\WdiSystemHost\Parameters\ServiceManifest
HKEY_LOCAL_MACHINE\Software\Microsoft\Windows NT\CurrentVersion\Svchost
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Svchost\LocalSystemNetworkRestricted\DynamicCodePolicy
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\WDI\DiagnosticModules\{4d21da64-fd02-4b82-a0a5-783266e430ab}\NeverLowerPagePriority
HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\Appx
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Svchost\LocalSystemNetworkRestricted\BinarySignaturePolicy
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\WdiSystemHost\Parameters
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\WDI\DiagnosticModules\{88d4896f-f553-446a-9c75-9dec124ff8b7}\NeverLowerPagePriority
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\WDI\DiagnosticModules\{63e0d0f7-ac2f-493b-a7f2-2f3ccdb66fca}\ImagePath
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Svchost\LocalSystemNetworkRestricted\CoInitializeSecurityAllowComCapability
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\WDI\DiagnosticModules\{67f1ec80-6c5b-43bb-860b-d47ae85242b1}\NameResource
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\WDI\DiagnosticModules\{7a54f16f-a73a-4258-ba46-a1e998a6aa74}\NeverLowerPagePriority
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\WDI\DiagnosticModules\{50e3b0eb-5780-49de-9eb5-8d53a51fd146}\NeverLowerPagePriority
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\AppModelUnlock\AllowDevelopmentWithoutDevLicense
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\WDI\DiagnosticModules\{67f1ec80-6c5b-43bb-860b-d47ae85242b1}\NeverLowerPagePriority
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\WDI\DiagnosticModules\{5EE64AFB-398D-4edb-AF71-3B830219ABF7}\ImagePath
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\WDI\DiagnosticModules\{63e0d0f7-ac2f-493b-a7f2-2f3ccdb66fca}
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\WDI\DiagnosticModules\{282396b2-6c46-4d66-b413-70b0445df33c}\NeverLowerPagePriority
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\WDI\DiagnosticModules\{4d21da64-fd02-4b82-a0a5-783266e430ab}\NameResource
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\SCMConfig\EnableSvchostMitigationPolicy
HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Diagnostics\PerfTrack\TraceProfile
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\WDI\DiagnosticModules\{72dbb5ac-6a91-46e6-885b-d429828bea2e}\NeverLowerPagePriority
HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\Appx\AllowDevelopmentWithoutDevLicense
HKEY_LOCAL_MACHINE\Software\Microsoft\OLE\AppCompat
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Svchost\LocalSystemNetworkRestricted\CoInitializeSecurityAllowLowBox
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\WDI\DiagnosticModules\{284ddb2f-beea-4c9d-91e8-e3670ed91517}\NeverLowerPagePriority
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\WDI\DiagnosticModules\{4d21da64-fd02-4b82-a0a5-783266e430ab}\ImagePath
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Svchost\LocalSystemNetworkRestricted
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Svchost\LocalSystemNetworkRestricted\NoGuiAccess
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\WDI\DiagnosticModules\{50e3b0eb-5780-49de-9eb5-8d53a51fd146}\NameResource
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\WDI\DiagnosticModules\{88d4896f-f553-446a-9c75-9dec124ff8b7}\ImagePath
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\WdiSystemHost\Parameters\LegacyCOMBehavior
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\WDI\DiagnosticModules\{67f1ec80-6c5b-43bb-860b-d47ae85242b1}\ImagePath
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\WDI\DiagnosticModules\{7a54f16f-a73a-4258-ba46-a1e998a6aa74}
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Svchost\LocalSystemNetworkRestricted\SystemCritical
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\AppID\svchost.exe
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\WDI\DiagnosticModules\{5C85A128-86F7-41a4-B655-BEE3F2ADEF46}\NeverLowerPagePriority
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\WDI\DiagnosticModules\{282396b2-6c46-4d66-b413-70b0445df33c}
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\WdiSystemHost\Alias
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Svchost\LocalSystemNetworkRestricted\RpcExceptionFilterMode
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Svchost\LocalSystemNetworkRestricted\CoInitializeSecurityParam
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\WDI\DiagnosticModules\{282396b2-6c46-4d66-b413-70b0445df33c}\ImagePath
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\WdiSystemHost\Parameters\ServiceDll
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Svchost\LocalSystemNetworkRestricted\COMAccessPermissionsSD
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Svchost\LocalSystemNetworkRestricted\CoInitializeSecurityAllowCrossContainer
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\WDI\DiagnosticModules\{72dbb5ac-6a91-46e6-885b-d429828bea2e}\NameResource
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\WDI\DiagnosticModules\{85e0acd9-809a-482b-b60b-bcad1f8d0cd7}\ImagePath
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Svchost\LocalSystemNetworkRestricted\COM_RoSettings
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\WDI\DiagnosticModules\{4d21da64-fd02-4b82-a0a5-783266e430ab}
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\Lsa\FipsAlgorithmPolicy\STE
Show all (101 total)
Key
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\WDI\DiagnosticModules\{282396b2-6c46-4d66-b413-70b0445df33c}\NameResource
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\WDI\DiagnosticModules\{284ddb2f-beea-4c9d-91e8-e3670ed91517}\ImagePath
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Svchost\LocalSystemNetworkRestricted\DefaultRpcStackSize
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\WDI\DiagnosticModules\{85e0acd9-809a-482b-b60b-bcad1f8d0cd7}
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\WDI\DiagnosticModules\{284ddb2f-beea-4c9d-91e8-e3670ed91517}
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\WDI\DiagnosticModules\{7a54f16f-a73a-4258-ba46-a1e998a6aa74}\ImagePath
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\WDI\DiagnosticModules\{63e0d0f7-ac2f-493b-a7f2-2f3ccdb66fca}\NameResource
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\WDI\DiagnosticModules\{72dbb5ac-6a91-46e6-885b-d429828bea2e}
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\WdiSystemHost\Parameters\ServiceMain
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\WDI\DiagnosticModules\{5C85A128-86F7-41a4-B655-BEE3F2ADEF46}\NameResource
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\WDI\DiagnosticModules\{5EE64AFB-398D-4edb-AF71-3B830219ABF7}\NameResource
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\WDI\DiagnosticModules\{45DE1EA9-10BC-4f96-9B21-4B6B83DBF476}\NeverLowerPagePriority
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\WdiSystemHost
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Svchost\LocalSystemNetworkRestricted\AuthenticationLevel
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\WDI\DiagnosticModules\{72dbb5ac-6a91-46e6-885b-d429828bea2e}\ImagePath
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\WDI\DiagnosticModules\{45DE1EA9-10BC-4f96-9B21-4B6B83DBF476}\NameResource
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\WDI\DiagnosticModules\{45DE1EA9-10BC-4f96-9B21-4B6B83DBF476}
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Svchost\LocalSystemNetworkRestricted\ExtensionPointsPolicy
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Svchost\LocalSystemNetworkRestricted\AuthenticationCapabilities
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Ole\AppCompat\RaiseActivationAuthenticationLevel
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\WDI\DiagnosticModules\{5C85A128-86F7-41a4-B655-BEE3F2ADEF46}
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\WDI\DiagnosticModules\{5EE64AFB-398D-4edb-AF71-3B830219ABF7}\NeverLowerPagePriority
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Svchost\LocalSystemNetworkRestricted\CoInitializeSecurityAllowInteractiveUsers
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\WDI\DiagnosticModules\{15fba3b8-a37a-4f91-bdba-fbb98fe804bf}\NeverLowerPagePriority
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\Lsa\FipsAlgorithmPolicy
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\WDI\DiagnosticModules\{3EA6B3DF-393E-41C3-9885-29EC5A701926}\ImagePath
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\WDI\DiagnosticModules\{3EA6B3DF-393E-41C3-9885-29EC5A701926}
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\WDI\DiagnosticModules\{15fba3b8-a37a-4f91-bdba-fbb98fe804bf}\ImagePath
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Svchost\LocalSystemNetworkRestricted\CoInitializeSecurityAppID
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Svchost\LocalSystemNetworkRestricted\COM_UnmarshalingPolicy
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\WDI\DiagnosticModules\{3EA6B3DF-393E-41C3-9885-29EC5A701926}\NeverLowerPagePriority
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\WDI\DiagnosticModules\{85e0acd9-809a-482b-b60b-bcad1f8d0cd7}\NameResource
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\AppModelUnlock
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Svchost\LocalSystemNetworkRestricted\ImpersonationLevel
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\WDI\DiagnosticModules\{7a54f16f-a73a-4258-ba46-a1e998a6aa74}\NameResource
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\Lsa\FipsAlgorithmPolicy\Enabled
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\WDI\DiagnosticModules\{5C85A128-86F7-41a4-B655-BEE3F2ADEF46}\ImagePath
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\WDI\DiagnosticModules\{45DE1EA9-10BC-4f96-9B21-4B6B83DBF476}\ImagePath
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\WDI\DiagnosticModules\{284ddb2f-beea-4c9d-91e8-e3670ed91517}\NameResource
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\SCMConfig\SvchostHeapReportingThresholdInKB
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\WDI\DiagnosticModules\{50e3b0eb-5780-49de-9eb5-8d53a51fd146}\ImagePath
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\Lsa\FipsAlgorithmPolicy\MDMEnabled
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\WDI\DiagnosticModules\{5EE64AFB-398D-4edb-AF71-3B830219ABF7}
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\WDI\DiagnosticModules\{63e0d0f7-ac2f-493b-a7f2-2f3ccdb66fca}\NeverLowerPagePriority
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\WDI\DiagnosticModules\{15fba3b8-a37a-4f91-bdba-fbb98fe804bf}
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\WDI\DiagnosticModules\{88d4896f-f553-446a-9c75-9dec124ff8b7}
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\WDI\DiagnosticModules\{67f1ec80-6c5b-43bb-860b-d47ae85242b1}
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\WDI\DiagnosticModules\{50e3b0eb-5780-49de-9eb5-8d53a51fd146}
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\WDI\DiagnosticModules\{3EA6B3DF-393E-41C3-9885-29EC5A701926}\NameResource
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\WDI\DiagnosticModules\{85e0acd9-809a-482b-b60b-bcad1f8d0cd7}\NeverLowerPagePriority
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\WDI\DiagnosticModules\{15fba3b8-a37a-4f91-bdba-fbb98fe804bf}\NameResource

Registry Set (Top 25)

Services Started (Top 15)

Service
lfsvc
WSearch
BITS

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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