General

  • Target

    9e9ce882d8ce63520122f37c16cc256ec0365efa288f12e12cf1a25d81ad14deN

  • Size

    4.9MB

  • Sample

    241010-17cd1szbmh

  • MD5

    4331bb6448c6da37580f2ac382b45750

  • SHA1

    4516ce7712311a62a03c332aec5d0dec7513efc3

  • SHA256

    9e9ce882d8ce63520122f37c16cc256ec0365efa288f12e12cf1a25d81ad14de

  • SHA512

    9ee79af2228dacf6294a06a069f3ef4addd897bfcd930d7c78a51062dec60ef611edcb3332f3d8181188b029dbc2635e1e35a8a2f6b8c88cb348f967da8a1b9a

  • 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

      9e9ce882d8ce63520122f37c16cc256ec0365efa288f12e12cf1a25d81ad14deN

    • Size

      4.9MB

    • MD5

      4331bb6448c6da37580f2ac382b45750

    • SHA1

      4516ce7712311a62a03c332aec5d0dec7513efc3

    • SHA256

      9e9ce882d8ce63520122f37c16cc256ec0365efa288f12e12cf1a25d81ad14de

    • SHA512

      9ee79af2228dacf6294a06a069f3ef4addd897bfcd930d7c78a51062dec60ef611edcb3332f3d8181188b029dbc2635e1e35a8a2f6b8c88cb348f967da8a1b9a

    • 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