Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/08/2024, 20:31

General

  • Target

    b0b91b69b82517c6e0d28abec009ca27_JaffaCakes118.exe

  • Size

    200KB

  • MD5

    b0b91b69b82517c6e0d28abec009ca27

  • SHA1

    b58597c52a51d132b4cbedc59b67e9f3cb076b12

  • SHA256

    cc81be4eb66c06d149859bbe7fa9fba4493c415ce8022e6e46004f4d7f9c2ed8

  • SHA512

    1cffd6ef9c0053801ceb451c6250806a3377388227a64430043c1648cd1c8542ecb7a4c2233e81031313b71de8d7f0beb54c187d8c9cfc039b998ebfcbfea453

  • SSDEEP

    3072:8UEOVR0tQ9nLHbB9WHCS0AgTlhsp3mWGb:y64QxL7B9WHK9Jhsp3W

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\b0b91b69b82517c6e0d28abec009ca27_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\b0b91b69b82517c6e0d28abec009ca27_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:4680
    • C:\Users\Admin\bhzig.exe
      "C:\Users\Admin\bhzig.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:3936

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\bhzig.exe

    Filesize

    200KB

    MD5

    d95b802772b98e464975757ac56c9174

    SHA1

    59e47e1ff485c3c2440be855e6f45cba2388f975

    SHA256

    e823ef47e6b98d76590af48a375bde1e51f666cfaeccf46705caa9cc8e4e9187

    SHA512

    dc235ac314526936345b400d341f17171979f71d36b3034235fbf6c225ee723086f14b81d1e25b2e6e31dde22f1bf244e37e22aa354efc06565cb4377a6d0b0f