General

  • Target

    DOCUMENTO IMPORTANTE BOLETA CITA FISCAL.exe

  • Size

    1.4MB

  • Sample

    220706-z5qyysbeb5

  • MD5

    50333bf7c05e8cbcbb9fff3f645db645

  • SHA1

    8dc664f56e03b37f1085a910527b0b7651939060

  • SHA256

    2c8ba8509cd89c44d8b0888f3941903e64f8553eca8eac54b3196dba5c84b53a

  • SHA512

    270cde8913116f134fa331c2c0eb114ad3682cbc87bd70f3929fadad14cf730815975e516b6092e54bfe9f4227a656ff82b54a9a5b0bd04fb2b2bdbcd732db98

Malware Config

Extracted

Family

bitrat

Version

1.38

C2

ejuejehth.con-ip.com:1880

Attributes
  • communication_password

    202cb962ac59075b964b07152d234b70

  • tor_process

    tor

Targets

    • Target

      DOCUMENTO IMPORTANTE BOLETA CITA FISCAL.exe

    • Size

      1.4MB

    • MD5

      50333bf7c05e8cbcbb9fff3f645db645

    • SHA1

      8dc664f56e03b37f1085a910527b0b7651939060

    • SHA256

      2c8ba8509cd89c44d8b0888f3941903e64f8553eca8eac54b3196dba5c84b53a

    • SHA512

      270cde8913116f134fa331c2c0eb114ad3682cbc87bd70f3929fadad14cf730815975e516b6092e54bfe9f4227a656ff82b54a9a5b0bd04fb2b2bdbcd732db98

    • BitRAT

      BitRAT is a remote access tool written in C++ and uses leaked source code from other families.

    • suricata: ET MALWARE Observed Malicious SSL Cert (BitRAT CnC)

      suricata: ET MALWARE Observed Malicious SSL Cert (BitRAT CnC)

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Checks computer location settings

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

    • Adds Run key to start application

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks