General

  • Target

    JaffaCakes118_ec8e5b92910318194745a8128b0efab0

  • Size

    644KB

  • Sample

    250504-s2ps6agp4s

  • MD5

    ec8e5b92910318194745a8128b0efab0

  • SHA1

    3b90e759a1d6b812acf5ec0f78a8c00247bdd477

  • SHA256

    1b9f382a9dac0989135a5aa8012feada612a15f183740b83915209872e18a0cf

  • SHA512

    92e88ad474c1ff4246078e930db09fbb42f3776698e79601b67c5bcbb20b6d47f31f446deb0843b8c6b4f5c5c2d5fad60e6052cf81c7910fd33c73c24efa2576

  • SSDEEP

    12288:p6onxOp8FySpE5zvIdtU+YmefT9/mqOplf2AQNWxgqFjj:fwp8DozAdO98fplf2MJ

Malware Config

Targets

    • Target

      JaffaCakes118_ec8e5b92910318194745a8128b0efab0

    • Size

      644KB

    • MD5

      ec8e5b92910318194745a8128b0efab0

    • SHA1

      3b90e759a1d6b812acf5ec0f78a8c00247bdd477

    • SHA256

      1b9f382a9dac0989135a5aa8012feada612a15f183740b83915209872e18a0cf

    • SHA512

      92e88ad474c1ff4246078e930db09fbb42f3776698e79601b67c5bcbb20b6d47f31f446deb0843b8c6b4f5c5c2d5fad60e6052cf81c7910fd33c73c24efa2576

    • SSDEEP

      12288:p6onxOp8FySpE5zvIdtU+YmefT9/mqOplf2AQNWxgqFjj:fwp8DozAdO98fplf2MJ

    • 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 autorun.inf file

      Malware can abuse Windows Autorun to spread further via attached volumes.

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v16

Tasks