General

  • Target
    TyaOsvKpvOsSG1h.exe
  • Size 2.0MB
  • Sample220318-xccjradcf4
  • SHA256 cda31da68a99454a628cfe74166a851d1de0af7088ab531bf03ebf684d46e0c8
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • bitrat

Version
  • 1.38

C2
  • oka.nerdpol.ovh:2223

Attributes
  • communication_password

    b6c6e855edf908ec7c12ce8c8e628a5c

  • tor_process

    tor

Targets

    • Target
      TyaOsvKpvOsSG1h.exe
    • Size 2.0MB
    • SHA256 cda31da68a99454a628cfe74166a851d1de0af7088ab531bf03ebf684d46e0c8
    • MD5 SHA1 SHA512
    • BitRAT

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

    • Looks for VirtualBox Guest Additions in registry

    • Looks for VMWare Tools registry key

    • UPX packed file

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

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Checks computer location settings

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

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks