Overview

overview

10

Static

static

3

62a67c42c3...45.exe

windows7-x64

10

62a67c42c3...45.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    62a67c42c309613f6bdd8dca730e8a03d2ad7067d89c57b5a980da1e37e33645.exe

  • Size

    1.6MB

  • Sample

    241122-z4cpyayrh1

  • MD5

    de9603fb21ef4f79df4f0447c8a302e5

  • SHA1

    1525867c63fa3d4de01161d5a362b429b3eba6cd

  • SHA256

    62a67c42c309613f6bdd8dca730e8a03d2ad7067d89c57b5a980da1e37e33645

  • SHA512

    5d8981224ca6b51c0cfe615c1ec5a0f4aa74bc1d52654aa1b191eddd8cb6def25971b1a74052f9d9bafcd37893f23be97b2d512e0cab47413d8780e17ce1db96

  • SSDEEP

    24576:5AOcZ1svEiDery6uC+7CzDZS7ske7Cx38CJfyESnSUA6WftHb5pO0i0buNTbeUKI:zJEiyhz1S7ZsHEcSUA6WN3O31eb6ThZx

Score
10/10
wshratdiscoverypersistencetrojan

Malware Config

Targets

    • Target

      62a67c42c309613f6bdd8dca730e8a03d2ad7067d89c57b5a980da1e37e33645.exe

    • Size

      1.6MB

    • MD5

      de9603fb21ef4f79df4f0447c8a302e5

    • SHA1

      1525867c63fa3d4de01161d5a362b429b3eba6cd

    • SHA256

      62a67c42c309613f6bdd8dca730e8a03d2ad7067d89c57b5a980da1e37e33645

    • SHA512

      5d8981224ca6b51c0cfe615c1ec5a0f4aa74bc1d52654aa1b191eddd8cb6def25971b1a74052f9d9bafcd37893f23be97b2d512e0cab47413d8780e17ce1db96

    • SSDEEP

      24576:5AOcZ1svEiDery6uC+7CzDZS7ske7Cx38CJfyESnSUA6WftHb5pO0i0buNTbeUKI:zJEiyhz1S7ZsHEcSUA6WN3O31eb6ThZx

    Score
    10/10
    wshratdiscoverypersistencetrojan

    • WSHRAT

      WSHRAT is a variant of Houdini worm and has vbs and js variants.

      trojanwshrat

    • WSHRAT payload

    • Wshrat family

      wshrat

    • Blocklisted process makes network request

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks