Analysis

  • max time kernel
    150s
  • max time network
    101s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/09/2024, 04:53

General

  • Target

    df864187c7f7c7e6da924e1375065a1b_JaffaCakes118.exe

  • Size

    56KB

  • MD5

    df864187c7f7c7e6da924e1375065a1b

  • SHA1

    d2691662d092cf1d30ac456ba8a7ad283f3b124a

  • SHA256

    766344b52e1e0f527f14df2ab5f7e446860b1047e6577a51f2c79ccac3cf8f03

  • SHA512

    c54eef4c2a0fab6b3e665ab9b3bb1b7f57ee9f6574e74fdf68cdcfac427b4897dc47da893ad1c390148094488196e14e01ddb0b52691ddbfd33ca0578fea29af

  • SSDEEP

    768:rPHBPD77H7JNrf0mq/6/Q/9NF0+LEc8af3ts0E99:r17tq2oS+Ljb3ts0E99

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 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 1 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 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\df864187c7f7c7e6da924e1375065a1b_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\df864187c7f7c7e6da924e1375065a1b_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1504
    • C:\Users\Admin\diefioj.exe
      "C:\Users\Admin\diefioj.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
      • Suspicious use of WriteProcessMemory
      PID:116

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\diefioj.exe

    Filesize

    56KB

    MD5

    513ccb1639f1b9002b046d3f751786bd

    SHA1

    b177014dcfc20742832af0f1edbef203c3013457

    SHA256

    703520a5dab965c496ce2ce9d0586b5383ba7f5dee6b0efb6bcba41dcbc41db8

    SHA512

    59515838e0ec1554de3dc906f51a3153cc97ec7a39a034818ef408ba79076dc1dbf2931888e3c2d1509af0862b3d159d213fc5cc03626ec4ad7ff963b4a16729