General

  • Target

    a2ce6b8cc1683e6f1b0e4a8ad210b4d0.exe

  • Size

    6MB

  • Sample

    220906-gj64yadbfm

  • MD5

    a2ce6b8cc1683e6f1b0e4a8ad210b4d0

  • SHA1

    c8bf69219d2fb1b6280425e58465493b0dfab0ae

  • SHA256

    182ddbdb6883ebe006722c43b0a28ddab33d5a87f6609a6f933bd811ca489ae3

  • SHA512

    4f24e9fc230d3ab5c4ac19798a7c058f2e713400dde817b1082ffdd5f284e23cb0257a7a732bcacaf4867189f21f3484a9a1fd9cb63c446db549dfed7748b070

  • SSDEEP

    98304:x25qF8LaEDcvSRApmZCzz9+hMYPGTjdThYHP3fkfsu/t/0SSEvEy6k4kCFWiSHrw:wx

Malware Config

Extracted

Family

colibri

Version

1.2.0

Botnet

Build1

C2

http://zpltcmgodhvvedxtfcygvbgjkvgvcguygytfigj.cc/gate.php

http://yugyuvyugguitgyuigtfyutdtoghghbbgyv.cx/gate.php

Targets

    • Target

      a2ce6b8cc1683e6f1b0e4a8ad210b4d0.exe

    • Size

      6MB

    • MD5

      a2ce6b8cc1683e6f1b0e4a8ad210b4d0

    • SHA1

      c8bf69219d2fb1b6280425e58465493b0dfab0ae

    • SHA256

      182ddbdb6883ebe006722c43b0a28ddab33d5a87f6609a6f933bd811ca489ae3

    • SHA512

      4f24e9fc230d3ab5c4ac19798a7c058f2e713400dde817b1082ffdd5f284e23cb0257a7a732bcacaf4867189f21f3484a9a1fd9cb63c446db549dfed7748b070

    • SSDEEP

      98304:x25qF8LaEDcvSRApmZCzz9+hMYPGTjdThYHP3fkfsu/t/0SSEvEy6k4kCFWiSHrw:wx

    • 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.

    • DCRat payload

      Detects payload of DCRat, commonly dropped by NSIS installers.

    • Executes dropped EXE

    • Checks computer location settings

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

    • Loads dropped DLL

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Tasks