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Analysis

  • max time kernel
    149s
  • max time network
    139s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/06/2024, 21:40

General

  • Target

    0fa0bfca273bf9bda2ae1d27513a6a59_JaffaCakes118.exe

  • Size

    39KB

  • MD5

    0fa0bfca273bf9bda2ae1d27513a6a59

  • SHA1

    602d3c0fb0a10601fe789565ea426abcea14784b

  • SHA256

    f3a44b20e917386061d5069866306f9e2bde299c22138b9b6742fb14d7714540

  • SHA512

    e83a897f5c842914e3db6350de529c1fec4f52122c6a0b3af2eb6172c163b4fa924611ed549ca23ef10f43c258a293838dc71bf38502a899e8bf8a131b54980d

  • SSDEEP

    768:mBS+UJIHhE/u9ZNDZZXcckeL4OV1d1e14Tj6yd3jUi8K2:mtFhYa/NuS4enTjtN8

Malware Config

Signatures

  • Modifies Windows Firewall 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
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0fa0bfca273bf9bda2ae1d27513a6a59_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\0fa0bfca273bf9bda2ae1d27513a6a59_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3884
    • C:\Windows\taskmon.exe
      C:\Windows\taskmon.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:3972
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall set allowedprogram "C:\Windows\taskmon.exe" enable
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        PID:1252
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\0FA0BF~1.EXE > nul
      2⤵
        PID:3944
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=1304,i,6522675234395427298,2952738987384583032,262144 --variations-seed-version --mojo-platform-channel-handle=4432 /prefetch:8
      1⤵
        PID:4840

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Windows\taskmon.exe

        Filesize

        39KB

        MD5

        0fa0bfca273bf9bda2ae1d27513a6a59

        SHA1

        602d3c0fb0a10601fe789565ea426abcea14784b

        SHA256

        f3a44b20e917386061d5069866306f9e2bde299c22138b9b6742fb14d7714540

        SHA512

        e83a897f5c842914e3db6350de529c1fec4f52122c6a0b3af2eb6172c163b4fa924611ed549ca23ef10f43c258a293838dc71bf38502a899e8bf8a131b54980d

      • memory/3884-0-0x0000000000400000-0x000000000040F000-memory.dmp

        Filesize

        60KB

      • memory/3884-1-0x0000000000400000-0x000000000040F000-memory.dmp

        Filesize

        60KB

      • memory/3884-2-0x0000000000490000-0x0000000000491000-memory.dmp

        Filesize

        4KB

      • memory/3884-3-0x0000000000401000-0x000000000040A000-memory.dmp

        Filesize

        36KB

      • memory/3884-9-0x0000000000400000-0x000000000040F000-memory.dmp

        Filesize

        60KB

      • memory/3972-8-0x0000000000400000-0x000000000040F000-memory.dmp

        Filesize

        60KB

      • memory/3972-11-0x0000000000400000-0x000000000040F000-memory.dmp

        Filesize

        60KB

      • memory/3972-12-0x0000000000400000-0x000000000040F000-memory.dmp

        Filesize

        60KB