General

  • Target
    WhaleBots_1015.zip
  • Size 3.5MB
  • Sample260903-x8a1ssvbqc
  • SHA256 6aad97727005165fb14809a7bb705a3604d1d88d2e297f74e4558554d7ad2002
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      WhaleBots.dll
    • Size 7.7MB
    • SHA256 d95dc8bd886f6336a1dc10931ee99e4956a69cc3908718d41807c13cc71702a5
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Executes dropped EXE

    • Drops desktop.ini file(s)

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Target
      WhaleBots.exe
    • Size 187KB
    • SHA256 707248ab41c78ad13d2a3c76c3ea8c8ec489420e46387f1c6cb6a1ebda636e34
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

MITRE ATT&CK Enterprise v16

Tasks