General

  • Target

    JaffaCakes118_dd19856271b68c2eee151f6fedaa7466

  • Size

    320KB

  • Sample

    250428-h93pwayrs8

  • MD5

    dd19856271b68c2eee151f6fedaa7466

  • SHA1

    fc05c189c9366bac305f47b36bd15d5dd38151d4

  • SHA256

    aae6be237919fea65144c0fa30b8cec0ad7c4671afe9d41e89b3ee4d3f8297ea

  • SHA512

    9089543ee6a022ea7a30f7e82e3cd21917ac419b8392dc49f19e500dca71cd812c8e7de858f1790975825bcb690e48ab9345ef0e2d80de4942a84600d28511c3

  • SSDEEP

    6144:0TwEo1IV3puaibGKFHi0mofhaH05kipz016580bHFMdkhq86JQPDHDdx/QtqR:qCgvmzFHi0mo5aH0qMzd5807F7qPJQPx

Malware Config

Targets

    • Target

      JaffaCakes118_dd19856271b68c2eee151f6fedaa7466

    • Size

      320KB

    • MD5

      dd19856271b68c2eee151f6fedaa7466

    • SHA1

      fc05c189c9366bac305f47b36bd15d5dd38151d4

    • SHA256

      aae6be237919fea65144c0fa30b8cec0ad7c4671afe9d41e89b3ee4d3f8297ea

    • SHA512

      9089543ee6a022ea7a30f7e82e3cd21917ac419b8392dc49f19e500dca71cd812c8e7de858f1790975825bcb690e48ab9345ef0e2d80de4942a84600d28511c3

    • SSDEEP

      6144:0TwEo1IV3puaibGKFHi0mofhaH05kipz016580bHFMdkhq86JQPDHDdx/QtqR:qCgvmzFHi0mo5aH0qMzd5807F7qPJQPx

    • 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