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Analysis

  • max time kernel
    150s
  • max time network
    54s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/06/2024, 23:22

General

  • Target

    17eb3bce064cfb844d164aa1d8c7daaa_JaffaCakes118.exe

  • Size

    88KB

  • MD5

    17eb3bce064cfb844d164aa1d8c7daaa

  • SHA1

    1c15176ff59566bb3302855398abec0696ba2b03

  • SHA256

    2385bd1cba79a627373c4fa98a8cff91d58d31bae77ee51293e91c68cf55602f

  • SHA512

    1c44662e95eaaa8dce869ee205745e002d04c92a0334bdb109e2058e2916c216b1ad3333a943e066c44613a54e7ec2b7d3c8d8d95fb1730633f44a7602707b6a

  • SSDEEP

    768:tt4celx1XGFE6oKmgSRl5HcJR0t20rdg8hUPjvY4dW4dsoeKpAdDY4BO0BCZc/UO:n3ev5GFk7RPnQpBeCZk9

Score
10/10

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).

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\17eb3bce064cfb844d164aa1d8c7daaa_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\17eb3bce064cfb844d164aa1d8c7daaa_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3932
    • C:\Users\Admin\riotii.exe
      "C:\Users\Admin\riotii.exe"
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3612

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\riotii.exe

    Filesize

    88KB

    MD5

    4b26ffbfce31ddcd1bee52c5a36be5c9

    SHA1

    ce5d2a11f9e98b420ed67db085f1226bb12560d4

    SHA256

    dc8caf8ffd63674096f4ed9603da3c5334d637b578f135d97afcd2691a454901

    SHA512

    4336488277c64150c34bee4a58cb7069504c249b9f1503ff7b6ca1d490c3052182bff51157881e288316a46531d8df22bbc44eaf87fb254fcf0831d07b1a03bf