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Analysis

  • max time kernel
    150s
  • 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
    06/10/2024, 11:43

General

  • Target

    17f16eb6f0c3b8b071a081af751a41fd_JaffaCakes118.exe

  • Size

    200KB

  • MD5

    17f16eb6f0c3b8b071a081af751a41fd

  • SHA1

    a7a4ef987b180bbcb6d6775ba9b9a92bdfcc1cfd

  • SHA256

    abb7ac233a4dd15109542c8edbd23b232b2d8e48b007cd195506e48c101327fb

  • SHA512

    0035cf0b6e1a6821b358385c06283fb88ea20fcddfeca2489b753ce0dcf27b4773c357afa2771641916eaf32a502e7a6331c4021bc301ea9701d63a9978cb373

  • SSDEEP

    3072:cRETo/05WE60tQ9nLHbB9WBJiBs2HWWEaPGJm9uCF:cRJ+64QxL7B9WBJi+yWWEaUNU

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\17f16eb6f0c3b8b071a081af751a41fd_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\17f16eb6f0c3b8b071a081af751a41fd_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:3680
    • C:\Users\Admin\guiori.exe
      "C:\Users\Admin\guiori.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:3968

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\guiori.exe

    Filesize

    200KB

    MD5

    1f37773b04f7b852dce5a663a80c53c8

    SHA1

    009553aeaabd2e1921d90aa2dd854053528b8b0b

    SHA256

    3317651635a481746830b747a91927c74bf7cdb351c0abadb6b2a09178147371

    SHA512

    b54d5c02146ff372b43092982b2760d65724b16be33ae343e74b46840d6afe44f95142f90ce324b6c08627a6cd272388ac7a81e7638a08b78247ccf049ac6346