General

  • Target

    101706972216b2377ea15046f3707034c45b88e70773942f47ab0e74468712b5

  • Size

    4.9MB

  • Sample

    241020-xhmlxathmg

  • MD5

    682295e9dea6b6c362facab1d64dbcfd

  • SHA1

    f919a213030d33a2cdea27e7471ddbadf2f2a268

  • SHA256

    101706972216b2377ea15046f3707034c45b88e70773942f47ab0e74468712b5

  • SHA512

    4cd90d088a4f5faf082b5567314e3d5e1a80a1ebffb1f3cf7eb69a71386e6f87205e38a49a350a7118e03b888cb5e61408b356f78e16a6282913dac2a09d622e

  • SSDEEP

    49152:jl5MTGChZpxtlBBgxchXb/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

      101706972216b2377ea15046f3707034c45b88e70773942f47ab0e74468712b5

    • Size

      4.9MB

    • MD5

      682295e9dea6b6c362facab1d64dbcfd

    • SHA1

      f919a213030d33a2cdea27e7471ddbadf2f2a268

    • SHA256

      101706972216b2377ea15046f3707034c45b88e70773942f47ab0e74468712b5

    • SHA512

      4cd90d088a4f5faf082b5567314e3d5e1a80a1ebffb1f3cf7eb69a71386e6f87205e38a49a350a7118e03b888cb5e61408b356f78e16a6282913dac2a09d622e

    • SSDEEP

      49152:jl5MTGChZpxtlBBgxchXb/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