Windows 7 deprecation

Windows 7 will be removed from tria.ge on 2025-03-31

General

  • Target

    C0D3X17-NUKER.exe

  • Size

    37.5MB

  • Sample

    250204-t8yv3stran

  • MD5

    1723589503194e30504ab703f55b70fd

  • SHA1

    1a74dcf5d737dd91bdeee28859c5d44506be9b16

  • SHA256

    60600f983d15d7313292ae4f84daf1a97fc627bc3f70f5b854004fda492cdc7f

  • SHA512

    7f457e68ab252a22c209c261ad5a97c2b3770fe73fbee1463aeb4d94b8f779344ae99ac019cdc099feda1441256d134674e236744799f9ec7dc065ed1637db93

  • SSDEEP

    786432:t8zERMQ/lE2eFCvSuaPHY3hep5lbvMycOsujlVT2r9jgD/TeoL:2zERMQt7eYRebNrcOhfmj3u

Malware Config

Extracted

Family

xworm

Version

5.0

Mutex

1VeDwfujGeaxOsgJ

Attributes
  • install_file

    USB.exe

aes.plain

Extracted

Family

njrat

Version

0.7d

Botnet

2025 HOST

C2

microsoft-365-updater.duckdns.org:5552

Mutex

5b4af3576e30808651ae14fbef1ee719

Attributes
  • reg_key

    5b4af3576e30808651ae14fbef1ee719

  • splitter

    |'|'|

Targets

    • Target

      C0D3X17-NUKER.exe

    • Size

      37.5MB

    • MD5

      1723589503194e30504ab703f55b70fd

    • SHA1

      1a74dcf5d737dd91bdeee28859c5d44506be9b16

    • SHA256

      60600f983d15d7313292ae4f84daf1a97fc627bc3f70f5b854004fda492cdc7f

    • SHA512

      7f457e68ab252a22c209c261ad5a97c2b3770fe73fbee1463aeb4d94b8f779344ae99ac019cdc099feda1441256d134674e236744799f9ec7dc065ed1637db93

    • SSDEEP

      786432:t8zERMQ/lE2eFCvSuaPHY3hep5lbvMycOsujlVT2r9jgD/TeoL:2zERMQt7eYRebNrcOhfmj3u

    • Detect Xworm Payload

    • Njrat family

    • Xmrig family

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Xworm family

    • njRAT/Bladabindi

      Widely used RAT written in .NET.

    • xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

    • XMRig Miner payload

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Modifies Windows Firewall

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Drops startup file

    • Event Triggered Execution: Component Object Model Hijacking

      Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Adds Run key to start application

    • Blocklisted process makes network request

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Legitimate hosting services abused for malware hosting/C2

    • System Binary Proxy Execution: Verclsid

      Adversaries may abuse Verclsid to proxy execution of malicious code.

    • An obfuscated cmd.exe command-line is typically used to evade detection.

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Drops file in System32 directory

    • Enumerates processes with tasklist

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks