General

  • Target
    eeb519eaefb64bc433463231d840bf14_JaffaCakes118
  • Size 3.0MB
  • Sample240921-ag2ccawdkj
  • SHA256 ed41bd0246b8f3ff6ed065d29c2dd8507d106fb5186e0ceb0bebc6339e5375b8
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Targets

    • Target
      eeb519eaefb64bc433463231d840bf14_JaffaCakes118
    • Size 3.0MB
    • SHA256 ed41bd0246b8f3ff6ed065d29c2dd8507d106fb5186e0ceb0bebc6339e5375b8
    • MD5 SHA1 SHA512 SSDEEP
    • ServHelper

      ServHelper is a backdoor written in Delphi and is associated with the hacking group TA505.

    • Grants admin privileges

      Uses net.exe to modify the user's privileges.

    • Remote Service Session Hijacking: RDP Hijacking

      Adversaries may hijack a legitimate user's remote desktop session to move laterally within an environment.

    • Indicator Removal: Network Share Connection Removal

      Adversaries may remove share connections that are no longer useful in order to clean up traces of their operation.

    • Modifies RDP port number used by Windows

    • Possible privilege escalation attempt

    • Server Software Component: Terminal Services DLL

    • Deletes itself

    • Loads dropped DLL

    • Modifies file permissions

    • UPX packed file

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

    • Indicator Removal: File Deletion

      Adversaries may delete files left behind by the actions of their intrusion activity.

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks