General

  • Target

    5ed1035148cde18f9671db0f7fcb1ee3d1f1900ebe2ee50dae380c34037b57ac

  • Size

    4.9MB

  • Sample

    240925-1xjekstbjd

  • MD5

    e5419ae77552fe04bb2ec920efdb2552

  • SHA1

    1d374f0185758eedc26360c4bf3b13b97c4534e2

  • SHA256

    5ed1035148cde18f9671db0f7fcb1ee3d1f1900ebe2ee50dae380c34037b57ac

  • SHA512

    8479cf2f4949dd52080a4d4ad364a6f904c3ecc9675b0f2f313075e3a5ab7088fa2cde86568ea21422eccf5475f767229d054c7944a45ed6cf0619a943f6d49e

  • SSDEEP

    49152:bl5MTGChZpxtlBBgxchXb/zqP6DUtRgs5q289dAnSz44hnW1XgnYu6fYmPkMSx8E:

Malware Config

Extracted

Family

colibri

Version

1.2.0

Botnet

Build1

C2

http://zpltcmgodhvvedxtfcygvbgjkvgvcguygytfigj.cc/gate.php

http://yugyuvyugguitgyuigtfyutdtoghghbbgyv.cx/gate.php

rc4.plain

Targets

    • Target

      5ed1035148cde18f9671db0f7fcb1ee3d1f1900ebe2ee50dae380c34037b57ac

    • Size

      4.9MB

    • MD5

      e5419ae77552fe04bb2ec920efdb2552

    • SHA1

      1d374f0185758eedc26360c4bf3b13b97c4534e2

    • SHA256

      5ed1035148cde18f9671db0f7fcb1ee3d1f1900ebe2ee50dae380c34037b57ac

    • SHA512

      8479cf2f4949dd52080a4d4ad364a6f904c3ecc9675b0f2f313075e3a5ab7088fa2cde86568ea21422eccf5475f767229d054c7944a45ed6cf0619a943f6d49e

    • SSDEEP

      49152:bl5MTGChZpxtlBBgxchXb/zqP6DUtRgs5q289dAnSz44hnW1XgnYu6fYmPkMSx8E:

    • Colibri Loader

      A loader sold as MaaS first seen in August 2021.

    • DcRat

      DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • UAC bypass

    • DCRat payload

      Detects payload of DCRat, commonly dropped by NSIS installers.

    • Command and Scripting Interpreter: PowerShell

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

    • Checks computer location settings

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

    • Executes dropped EXE

    • Checks whether UAC is enabled

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks