General

  • Target
    792536cb7e72e25a03d2b9b2d54027106eb2003ab56f7104cd407f57693cfc2f.bin
  • Size 425KB
  • Sample220524-ph5hqaabc2
  • SHA256 792536cb7e72e25a03d2b9b2d54027106eb2003ab56f7104cd407f57693cfc2f
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • colibri

Version
  • 1.2.0

Botnet
  • Build1

C2
  • http://zpltcmgodhvvedxtfcygvbgjkvgvcguygytfigj.cc/gate.php

  • http://yugyuvyugguitgyuigtfyutdtoghghbbgyv.cx/gate.php

Targets

    • Target
      792536cb7e72e25a03d2b9b2d54027106eb2003ab56f7104cd407f57693cfc2f.bin
    • Size 425KB
    • SHA256 792536cb7e72e25a03d2b9b2d54027106eb2003ab56f7104cd407f57693cfc2f
    • MD5 SHA1 SHA512
    • Colibri Loader

      A loader sold as MaaS first seen in August 2021.

    • suricata: ET MALWARE Generic gate .php GET with minimal headers

      suricata: ET MALWARE Generic gate .php GET with minimal headers

    • suricata: ET MALWARE Trojan Generic - POST To gate.php with no accept headers

      suricata: ET MALWARE Trojan Generic - POST To gate.php with no accept headers

    • suricata: ET MALWARE Trojan Generic - POST To gate.php with no referer

      suricata: ET MALWARE Trojan Generic - POST To gate.php with no referer

    • suricata: ET MALWARE Win32/Colibri Loader Activity

      suricata: ET MALWARE Win32/Colibri Loader Activity

    • suricata: ET MALWARE Win32/Colibri Loader Activity M2

      suricata: ET MALWARE Win32/Colibri Loader Activity M2

    • suricata: ET MALWARE Win32/Colibri Loader Activity M3

      suricata: ET MALWARE Win32/Colibri Loader Activity M3

    • Executes dropped EXE

    • Checks computer location settings

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

    • Loads dropped DLL

MITRE ATT&CK Enterprise v6

Tasks