General

  • Target

    02db784841b1c18c43464317ddaf9221406cb45883305516f886113f79977666N

  • Size

    4.9MB

  • Sample

    240929-2m7j4ateqr

  • MD5

    9f28672d5f9616c0ba11631392dbf180

  • SHA1

    fdfb05bd604067b16bdf10aa0e98530424ab0b0d

  • SHA256

    02db784841b1c18c43464317ddaf9221406cb45883305516f886113f79977666

  • SHA512

    bfa229a6c0aea13eb148f2f78b5de7cd1d035b474c1508c4c9bfe12739dc0006052a2f7d441bb0ea2760b02db170bb55a2090760e5c3869f608137a1982cce9b

  • SSDEEP

    49152:Dl5MTGChZpxtlBBgxchXb/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

      02db784841b1c18c43464317ddaf9221406cb45883305516f886113f79977666N

    • Size

      4.9MB

    • MD5

      9f28672d5f9616c0ba11631392dbf180

    • SHA1

      fdfb05bd604067b16bdf10aa0e98530424ab0b0d

    • SHA256

      02db784841b1c18c43464317ddaf9221406cb45883305516f886113f79977666

    • SHA512

      bfa229a6c0aea13eb148f2f78b5de7cd1d035b474c1508c4c9bfe12739dc0006052a2f7d441bb0ea2760b02db170bb55a2090760e5c3869f608137a1982cce9b

    • SSDEEP

      49152:Dl5MTGChZpxtlBBgxchXb/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