d322e4e33e1c48138ce876c58a1dc1be201c3be0


Zero‑Dwell Threat Intelligence Report

A narrative, executive‑ready view into the malware’s behavior, exposure, and reliable defenses.
Generated: 2025-09-11 12:33:13 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
cnmpaui.dll
Type
Win32 DLL
SHA‑1
d322e4e33e1c48138ce876c58a1dc1be201c3be0
MD5
3ee35be91242aec94d91600955d82192
First Seen
2025-09-05 07:15:43.800127
Last Analysis
2025-09-05 10:02:36.192191
Dwell Time
0 days, 2 hours, 46 minutes

Extended Dwell Time Impact

For 2+ 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
2025-03-18 07:34:33 UTC First VirusTotal submission
2025-09-09 07:41:09 UTC Latest analysis snapshot 175 days, 0 hours, 6 minutes
2025-09-11 12:33:13 UTC Report generation time 177 days, 4 hours, 58 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: 39. Missed: 34. Coverage: 53.4%.

Detected Vendors

  • Xcitium
  • +38 additional vendors (names not provided)

List includes Xcitium plus an additional 38 vendors per the provided summary.

Missed Vendors

  • Acronis
  • Alibaba
  • Arcabit
  • Avira
  • Baidu
  • BitDefender
  • ClamAV
  • CMC
  • DrWeb
  • Emsisoft
  • F-Secure
  • GData
  • Gridinsoft
  • huorong
  • Jiangmin
  • Kaspersky
  • Kingsoft
  • MicroWorld-eScan
  • NANO-Antivirus
  • SentinelOne
  • Sophos
  • SUPERAntiSpyware
  • TACHYON
  • tehtris
  • Trapmine
  • TrendMicro
  • TrendMicro-HouseCall
  • VBA32
  • VIPRE
  • 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 (45.16% 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 28 45.16%
Process 14 22.58%
File System 10 16.13%
Registry 8 12.90%
Misc 2 3.23%

MITRE ATT&CK Mapping

  • T1027 – encode data using XOR
  • T1129 – parse PE header
  • T1082 – get memory capacity
  • T1129 – access PEB ldr_data
  • T1082 – query environment variable
  • T1083 – enumerate files on Windows
  • T1027 – encrypt data using RC4 PRGA
  • T1129 – link many functions at runtime
  • T1082 – get system information on Windows
  • T1129 – link function at runtime on Windows
  • T1082 – get number of processors
  • T1071 – Adversaries may communicate using application layer protocols to avoid detection/network filtering by blending in with existing traffic.
  • T1027 – Adversaries may attempt to make an executable or file difficult to discover or analyze by encrypting, encoding, or otherwise obfuscating its contents on the system or in transit.
  • T1027.002 – Adversaries may perform software packing or virtual machine software protection to conceal their code.
  • T1574.002 – Tries to load missing DLLs
  • T1218.011 – Runs a DLL by calling functions
  • T1497 – Contains medium sleeps (>= 30s)
  • T1082 – Reads software policies

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.aieov.com 13.248.169.48 United States Amazon Technologies Inc.

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
www.aieov.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
5355 4 udp
53 28 udp

UDP Packets

Source IP Dest IP Sport Dport Time Proto
192.168.56.14 192.168.56.255 137 137 3.0782201290130615 udp
192.168.56.14 224.0.0.252 51209 5355 3.009803056716919 udp
192.168.56.14 224.0.0.252 53401 5355 4.57845401763916 udp
192.168.56.14 224.0.0.252 55094 5355 5.563003063201904 udp
192.168.56.14 224.0.0.252 55848 5355 3.0101351737976074 udp
192.168.56.14 8.8.4.4 49916 53 98.40663599967957 udp
192.168.56.14 8.8.4.4 50180 53 145.37508416175842 udp
192.168.56.14 8.8.4.4 50710 53 65.79693698883057 udp
192.168.56.14 8.8.4.4 52815 53 7.153829097747803 udp
192.168.56.14 8.8.4.4 54579 53 51.4376380443573 udp
192.168.56.14 8.8.4.4 54683 53 192.3468291759491 udp
192.168.56.14 8.8.4.4 55914 53 127.1252510547638 udp
192.168.56.14 8.8.4.4 56399 53 174.09358406066895 udp
192.168.56.14 8.8.4.4 60117 53 80.15654802322388 udp
192.168.56.14 8.8.4.4 62022 53 159.738037109375 udp
192.168.56.14 8.8.4.4 62112 53 36.8591091632843 udp
192.168.56.14 8.8.4.4 63205 53 206.7035210132599 udp
192.168.56.14 8.8.4.4 64753 53 112.76592302322388 udp
192.168.56.14 8.8.4.4 65148 53 22.49991798400879 udp
192.168.56.14 8.8.8.8 49916 53 97.40904211997986 udp
192.168.56.14 8.8.8.8 50180 53 144.37546515464783 udp
192.168.56.14 8.8.8.8 50710 53 64.797110080719 udp
192.168.56.14 8.8.8.8 52815 53 8.140788078308105 udp
192.168.56.14 8.8.8.8 54579 53 50.437679052352905 udp
192.168.56.14 8.8.8.8 54683 53 191.34486603736877 udp
192.168.56.14 8.8.8.8 55914 53 126.12574219703674 udp
192.168.56.14 8.8.8.8 56399 53 173.09458208084106 udp
192.168.56.14 8.8.8.8 60117 53 79.1564211845398 udp
192.168.56.14 8.8.8.8 62022 53 158.73522114753723 udp
192.168.56.14 8.8.8.8 62112 53 35.85973906517029 udp
192.168.56.14 8.8.8.8 63205 53 205.70337200164795 udp
192.168.56.14 8.8.8.8 64753 53 111.76631021499634 udp
192.168.56.14 8.8.8.8 65148 53 21.500607013702393 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

41

Registry Set

0

Services Started

0

Services Opened

0

Registry Opened (Top 25)

Key
HKEY_LOCAL_MACHINE\Software\Microsoft\Windows NT\CurrentVersion\GRE_Initialize
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\GRE_Initialize\DisableMetaFiles
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Themes\Personalize
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\GRE_Initialize\DisableUmpdBufferSizeCheck
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Themes\Personalize\AppsUseLightTheme
HKEY_LOCAL_MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion
HKEY_CURRENT_USER\Software\Microsoft\Windows NT\CurrentVersion
HKEY_LOCAL_MACHINE\Software\Microsoft\Wow64\x86\xtajit
HKEY_LOCAL_MACHINE\Software\WOW6432Node\Microsoft\LanguageOverlay\OverlayPackages\en-US
HKEY_LOCAL_MACHINE\Software\WOW6432Node\Policies\Microsoft\Windows\Display
HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\OLEAUT
HKEY_LOCAL_MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\SideBySide
HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\ProfileList
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\MUI\UILanguages\en-US
HKEY_LOCAL_MACHINE\system\CurrentControlSet\control\NetworkProvider\HwOrder
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\cmd.exe
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\rundll32.exe
HKEY_LOCAL_MACHINE\Software\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Image File Execution Options
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\DllNXOptions
HKEY_LOCAL_MACHINE\Software\Microsoft\Ole
HKEY_LOCAL_MACHINE\Software\WOW6432Node\Microsoft\Windows NT\CurrentVersion\AppCompatFlags
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders
HKEY_LOCAL_MACHINE\OSDATA\System\CurrentControlSet\Control\MUI\UILanguages
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Policies\Microsoft\Cryptography\Configuration
HKEY_LOCAL_MACHINE\Software\Microsoft\Wow64\x86
HKEY_LOCAL_MACHINE\Software\WOW6432Node\Microsoft\OLE\Tracing
HKEY_LOCAL_MACHINE\system\CurrentControlSet\control\NetworkProvider\ProviderOrder
HKEY_LOCAL_MACHINE\Software\WOW6432Node\Microsoft\Windows NT\CurrentVersion\GRE_Initialize
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\ProfileList\S-1-5-21-4005801669-2598574594-602355426-1001
HKEY_LOCAL_MACHINE\Software\WOW6432Node\Microsoft\Windows NT\CurrentVersion\ProfileList
HKEY_LOCAL_MACHINE\Software\WOW6432Node\Policies\Microsoft\MUI\Settings
HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\CTF\Compatibility\rundll32.exe
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\AppModel\Lookaside\Packages
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Nls\CustomLocale
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Segment Heap
HKEY_LOCAL_MACHINE\Software\Microsoft\Ole\FeatureDevelopmentProperties
HKEY_LOCAL_MACHINE\Software\Microsoft\Windows NT\CurrentVersion\AppCompatFlags\Disable8And16BitMitigation
HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\OLE
HKEY_LOCAL_MACHINE\Software\WOW6432Node\Policies\Microsoft\Windows\Safer\CodeIdentifiers
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows NT\CurrentVersion\AppCompatFlags\Layers
Show all (41 total)

Registry Set (Top 25)

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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