General

  • Target

    XboxUpdate.exe

  • Size

    2MB

  • Sample

    230603-nhq5nagh9w

  • MD5

    9539d670b998aa46651b51d69123b909

  • SHA1

    77c4912a7b67260c486fda2f93a3b98ecb5e7d65

  • SHA256

    52712a99b6b73458711a3af355c6b63a45457a9590964c835e08f6da84a09669

  • SHA512

    9352b2c5c3b7f19a9c80bd574bd376d1db67cfcb8284abbab81b43efa881591a59cb25de0ff843d54bb958a05dccd783d342316a504bf8528f5e7b2cc02ee1aa

  • SSDEEP

    12288:j0t4Sb/JDZcAVeF8EGoBzFXe2iFi3R6I9VTnHdyFe2OAdnRC9oC5pZxsumiT:jG4GVZcXfiw8Wn9yFPxdnRC9oCr3

Score
10/10

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

      XboxUpdate.exe

    • Size

      2MB

    • MD5

      9539d670b998aa46651b51d69123b909

    • SHA1

      77c4912a7b67260c486fda2f93a3b98ecb5e7d65

    • SHA256

      52712a99b6b73458711a3af355c6b63a45457a9590964c835e08f6da84a09669

    • SHA512

      9352b2c5c3b7f19a9c80bd574bd376d1db67cfcb8284abbab81b43efa881591a59cb25de0ff843d54bb958a05dccd783d342316a504bf8528f5e7b2cc02ee1aa

    • SSDEEP

      12288:j0t4Sb/JDZcAVeF8EGoBzFXe2iFi3R6I9VTnHdyFe2OAdnRC9oC5pZxsumiT:jG4GVZcXfiw8Wn9yFPxdnRC9oCr3

    Score
    10/10
    • Colibri Loader

      A loader sold as MaaS first seen in August 2021.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Tasks