General

  • Target

    JaffaCakes118_e4aec7ad49554c4bef1b197c794b23fc

  • Size

    652KB

  • Sample

    250503-qphg7sbr71

  • MD5

    e4aec7ad49554c4bef1b197c794b23fc

  • SHA1

    cb6485f884278cd28bd0c14c5f6738be28ee5924

  • SHA256

    21cf2dbc94539534633514f66bbd96351456ce3c5e8a7da2bac76d4f84435b1f

  • SHA512

    58142280c041bc720c108039df1759ad7d72d33bc375ef1b159c2d01a98f1872efedda416c5b395b2ba8536d4e8c157f1a26adbe641c0e0c264f37a2512df9eb

  • SSDEEP

    12288:bQMiG+2gef5x/xQTB2OfDKC7Wgc9j3hdUU54Knq:bQ0+29VgfDnKxDwp

Malware Config

Targets

    • Target

      JaffaCakes118_e4aec7ad49554c4bef1b197c794b23fc

    • Size

      652KB

    • MD5

      e4aec7ad49554c4bef1b197c794b23fc

    • SHA1

      cb6485f884278cd28bd0c14c5f6738be28ee5924

    • SHA256

      21cf2dbc94539534633514f66bbd96351456ce3c5e8a7da2bac76d4f84435b1f

    • SHA512

      58142280c041bc720c108039df1759ad7d72d33bc375ef1b159c2d01a98f1872efedda416c5b395b2ba8536d4e8c157f1a26adbe641c0e0c264f37a2512df9eb

    • SSDEEP

      12288:bQMiG+2gef5x/xQTB2OfDKC7Wgc9j3hdUU54Knq:bQ0+29VgfDnKxDwp

    • 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