General

  • Target

    Bcluw.exe

  • Size

    4.7MB

  • Sample

    221118-l4acxshb42

  • MD5

    a469666f1ab75f375379d5af6a69662f

  • SHA1

    bdf4ff0b2df674761b09d9d951cb20e5426c2bc9

  • SHA256

    937a96f78ec1337d5cc83b3813a66993264c0486ece70ca19be2096c831a7c41

  • SHA512

    7ff53a9f5bcda5cdc30ca813f15f1003805b8ec91ef10df3c25594bafcc9199ca2a7d6bff4051fc3e09af56b343607ab354f0e53a95583d7c9609669648d85ea

  • SSDEEP

    98304:Tmf7mxhO9z9sIlUjeehvHn0CaSbbIl9ZqhiGXzhMXuJOrvhUveJTv:TmuW9PetH0Cd49khiYziX7UvmTv

Malware Config

Extracted

Family

bitrat

Version

1.38

C2

bendicion777.con-ip.com:7777

Attributes
  • communication_password

    202cb962ac59075b964b07152d234b70

  • tor_process

    tor

Targets

    • Target

      Bcluw.exe

    • Size

      4.7MB

    • MD5

      a469666f1ab75f375379d5af6a69662f

    • SHA1

      bdf4ff0b2df674761b09d9d951cb20e5426c2bc9

    • SHA256

      937a96f78ec1337d5cc83b3813a66993264c0486ece70ca19be2096c831a7c41

    • SHA512

      7ff53a9f5bcda5cdc30ca813f15f1003805b8ec91ef10df3c25594bafcc9199ca2a7d6bff4051fc3e09af56b343607ab354f0e53a95583d7c9609669648d85ea

    • SSDEEP

      98304:Tmf7mxhO9z9sIlUjeehvHn0CaSbbIl9ZqhiGXzhMXuJOrvhUveJTv:TmuW9PetH0Cd49khiYziX7UvmTv

    • BitRAT

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

    • 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