General

  • Target

    JaffaCakes118_e7e9213d82a6954380af1e8bdcc3bc63

  • Size

    612KB

  • Sample

    250504-aryzzavqw3

  • MD5

    e7e9213d82a6954380af1e8bdcc3bc63

  • SHA1

    9d527feea179d16e15877dc5cca40ee124b409c7

  • SHA256

    034cd97620ef3015085fa2adfb8cc39cf6d9afac417f973b0cf9be6e5ad50617

  • SHA512

    a88726e1458acb2ff84001d92ebf4c633e1bb5bed831c74b40f74c563938bd830cae86783a6d415a57ee34c518eea0c6deca5b083730bc2446277e42a670e1e8

  • SSDEEP

    12288:w6onxOp8FySpE5zvIdtU+YmefUReNTNW08OxK:kwp8DozAdO9Ugh8z

Malware Config

Targets

    • Target

      JaffaCakes118_e7e9213d82a6954380af1e8bdcc3bc63

    • Size

      612KB

    • MD5

      e7e9213d82a6954380af1e8bdcc3bc63

    • SHA1

      9d527feea179d16e15877dc5cca40ee124b409c7

    • SHA256

      034cd97620ef3015085fa2adfb8cc39cf6d9afac417f973b0cf9be6e5ad50617

    • SHA512

      a88726e1458acb2ff84001d92ebf4c633e1bb5bed831c74b40f74c563938bd830cae86783a6d415a57ee34c518eea0c6deca5b083730bc2446277e42a670e1e8

    • SSDEEP

      12288:w6onxOp8FySpE5zvIdtU+YmefUReNTNW08OxK:kwp8DozAdO9Ugh8z

    • 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