General

  • Target
    Chernobyl.exe
  • Size 1.5MB
  • Sample261001-v7mxvsshqc
  • SHA256 4594f4ca982b30754cd95344fd0f682f17b6762fe9933cd324ebdf23bf62acd1
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      Chernobyl.exe
    • Size 1.5MB
    • SHA256 4594f4ca982b30754cd95344fd0f682f17b6762fe9933cd324ebdf23bf62acd1
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Checks computer location settings

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

    • Event Triggered Execution: Component Object Model Hijacking

      Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

    • Executes dropped EXE

    • Modifies system executable filetype association

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

MITRE ATT&CK Enterprise v16

Tasks