General

  • Target

    JaffaCakes118_c5053b6a278897cf8629be4ba93b3030

  • Size

    896KB

  • Sample

    250420-h8fhyszpx8

  • MD5

    c5053b6a278897cf8629be4ba93b3030

  • SHA1

    8bbc4116b965c3546d3d52d2d90eca8d5979901f

  • SHA256

    25513f2b017ee242a254117f14ff49bb55f034a64265724e8e76d49a696b2d60

  • SHA512

    15b961286782c54d9bc04722679570afea0112facc107e17669c4cd4ea9695c198d312d91019275b850214f6b116fd88d5531b23555f364e6d0200ea1cdbe617

  • SSDEEP

    6144:ej6/wndfF/gl0LQIk8DR3dEuAI7pEfxsZozAm9TMdGQLUg1nYmefPImdrionQn:k6onxOp8FySpE5zvIdtU+YmefUn

Malware Config

Targets

    • Target

      JaffaCakes118_c5053b6a278897cf8629be4ba93b3030

    • Size

      896KB

    • MD5

      c5053b6a278897cf8629be4ba93b3030

    • SHA1

      8bbc4116b965c3546d3d52d2d90eca8d5979901f

    • SHA256

      25513f2b017ee242a254117f14ff49bb55f034a64265724e8e76d49a696b2d60

    • SHA512

      15b961286782c54d9bc04722679570afea0112facc107e17669c4cd4ea9695c198d312d91019275b850214f6b116fd88d5531b23555f364e6d0200ea1cdbe617

    • SSDEEP

      6144:ej6/wndfF/gl0LQIk8DR3dEuAI7pEfxsZozAm9TMdGQLUg1nYmefPImdrionQn:k6onxOp8FySpE5zvIdtU+YmefUn

    • 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

    • 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