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General

  • Target

    f4be7ca2dab53cefec9c807898b6a4cd_JaffaCakes118

  • Size

    268KB

  • Sample

    240924-3z3bkswbnf

  • MD5

    f4be7ca2dab53cefec9c807898b6a4cd

  • SHA1

    74214fb6c70fad82abe5b2d48e76f5cc173c03b4

  • SHA256

    e3263f8f12e118996ed3293e1fa883504641d42858bdf060c37dddd6eb4af052

  • SHA512

    764bdccc6a5c0b470977581c2ad398649058e04c6acb20d4421e56a6d3ca093e005e973d55708539913bee395857b3a5d814b481e74f210498abf903516e98e0

  • SSDEEP

    6144:2ZCyZOnZuYnZVZ2ZVZjZVZKXA8JqVjSdIKyfAJGIgVQ3FOyxBmh0EVzZwwZDzXAU:2ZnZOnZuWZVZ2ZVZjZVZsA8uo8y3NxSl

Malware Config

Targets

    • Target

      f4be7ca2dab53cefec9c807898b6a4cd_JaffaCakes118

    • Size

      268KB

    • MD5

      f4be7ca2dab53cefec9c807898b6a4cd

    • SHA1

      74214fb6c70fad82abe5b2d48e76f5cc173c03b4

    • SHA256

      e3263f8f12e118996ed3293e1fa883504641d42858bdf060c37dddd6eb4af052

    • SHA512

      764bdccc6a5c0b470977581c2ad398649058e04c6acb20d4421e56a6d3ca093e005e973d55708539913bee395857b3a5d814b481e74f210498abf903516e98e0

    • SSDEEP

      6144:2ZCyZOnZuYnZVZ2ZVZjZVZKXA8JqVjSdIKyfAJGIgVQ3FOyxBmh0EVzZwwZDzXAU:2ZnZOnZuWZVZ2ZVZjZVZsA8uo8y3NxSl

    • ModiLoader, DBatLoader

      ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • Checks for common network interception software

      Looks in the registry for tools like Wireshark or Fiddler commonly used to analyze network activity.

    • Looks for VirtualBox Guest Additions in registry

    • Looks for VirtualBox drivers on disk

    • ModiLoader Second Stage

    • Looks for VMWare Tools registry key

    • 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.

    • Deletes itself

    • Drops startup file

    • Adds Run key to start application

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Maps connected drives based on registry

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

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks