Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-09-2024 05:36

General

  • Target

    d3a9bd7b96b5f93f65530bf12bd36223_JaffaCakes118.exe

  • Size

    196KB

  • MD5

    d3a9bd7b96b5f93f65530bf12bd36223

  • SHA1

    092e52b5881502182815a77aa7e95fa718df77d5

  • SHA256

    fd2d6cb80861a044234418f61cbc1782da30ce148b5f648ac9096eadb3ccd43b

  • SHA512

    db234140cbb917ed2b2365e089dd829147b7c1122383987fb3aa450214d67a3bc125af0b9bb7709850460e37ef9627de8cee5d2e641e8c2cf65ce52346d4e92c

  • SSDEEP

    3072:uy1iAgq0tQ9nLHbB9WmvA7vejJWKvE+KmMW:DT4QxL7B9WjjejJW5i

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 27 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d3a9bd7b96b5f93f65530bf12bd36223_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\d3a9bd7b96b5f93f65530bf12bd36223_JaffaCakes118.exe"
    1⤵
    • Modifies visiblity of hidden/system files in Explorer
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:5012
    • C:\Users\Admin\toucec.exe
      "C:\Users\Admin\toucec.exe"
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:4620

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\toucec.exe

    Filesize

    196KB

    MD5

    f2b90eda2bf68fba45d6893200ac9fb2

    SHA1

    ff10cd5a01f363194c1aa556929a20c974e96303

    SHA256

    c501d018d467c6d16563188e60c5a81ed6fac241225aa278b7935393de1b27cc

    SHA512

    8da751420fef21e56350e12c99c1aea6745481fb94dca05af5776514de7854a82cf7aac5a1bc8923b488140fce358b86b4b9299b5544db455fd71e155992d38a