General

  • Target

    JaffaCakes118_aa0e769579f01608b4a95465bf478e54

  • Size

    488KB

  • Sample

    250410-phmmxa1vct

  • MD5

    aa0e769579f01608b4a95465bf478e54

  • SHA1

    d20ddfd871c4ecf6bb369d618c2e16afc6040b29

  • SHA256

    3d8b7594792c3149039541734dceb08769921117f65cf8eedbfa05b8870bb13f

  • SHA512

    518e6067b1556f69fedfb596717d153931f03dda4c09a8edcc08b5046a6fb8598ced9896d52e17b42a451caf982e21117d4960e637ff590ce0f22f273a349f8d

  • SSDEEP

    6144:wjl/wndfF/gl0LQIk8DR3dEuAI7pEfxsZozAm9TMdGQLUg1nYmefPImdrion:ilonxOp8FySpE5zvIdtU+Ymef

Malware Config

Targets

    • Target

      JaffaCakes118_aa0e769579f01608b4a95465bf478e54

    • Size

      488KB

    • MD5

      aa0e769579f01608b4a95465bf478e54

    • SHA1

      d20ddfd871c4ecf6bb369d618c2e16afc6040b29

    • SHA256

      3d8b7594792c3149039541734dceb08769921117f65cf8eedbfa05b8870bb13f

    • SHA512

      518e6067b1556f69fedfb596717d153931f03dda4c09a8edcc08b5046a6fb8598ced9896d52e17b42a451caf982e21117d4960e637ff590ce0f22f273a349f8d

    • SSDEEP

      6144:wjl/wndfF/gl0LQIk8DR3dEuAI7pEfxsZozAm9TMdGQLUg1nYmefPImdrion:ilonxOp8FySpE5zvIdtU+Ymef

    • Modifies WinLogon for persistence

    • Pykspa

      Pykspa is a worm spreads via Skype uses DGA and it's written in C++.

    • Pykspa family

    • Detect Pykspa worm

    • Adds policy Run key to start application

    • Blocklisted process makes network request

    • Disables RegEdit via registry modification

    • Checks computer location settings

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

    • Executes dropped EXE

    • Impair Defenses: Safe Mode Boot

    • Adds Run key to start application

    • Checks whether UAC is enabled

    • Hijack Execution Flow: Executable Installer File Permissions Weakness

      Possible Turn off User Account Control's privilege elevation for standard users.

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v16

Tasks