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Analysis

  • max time kernel
    152s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/04/2024, 02:42

General

  • Target

    fbc04b72d274ae7cfd3cd69aadf389cf_JaffaCakes118.exe

  • Size

    196KB

  • MD5

    fbc04b72d274ae7cfd3cd69aadf389cf

  • SHA1

    38f3109a6e1cb16e17b803a729a0d8f5e3e85ca3

  • SHA256

    e3cbf30449ff668ab7c9cbef820512132d25c44d8924108fae8c6b1cedc28349

  • SHA512

    c69a397d554c7f3f59070bf7c4379f75f8ca0d56c3a23d7bcd71b56e46f7ce59c28b76a55f0703c418f2a71c688032b8f8c58af5448af640dbe4167a334216d7

  • SSDEEP

    6144:/WvnELXCb1CcReqYJqOaihDI/5Yz43qA0gA3Zgfx9c1dLJYkAeRBVF48tju1f8Lr:/knEuGhI/5Yz43qA0gA3Zgfx9c1dLJYU

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 51 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 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fbc04b72d274ae7cfd3cd69aadf389cf_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\fbc04b72d274ae7cfd3cd69aadf389cf_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:5064
    • C:\Users\Admin\roiotu.exe
      "C:\Users\Admin\roiotu.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
      PID:2540
  • 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 --no-appcompat-clear --mojo-platform-channel-handle=4292 --field-trial-handle=2656,i,16940681401824032220,151921362336696246,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:1420

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\roiotu.exe

      Filesize

      196KB

      MD5

      8156f3f57256c7ad92e7460a9605ca93

      SHA1

      1e8acf226fc5847ee86df5a16483e21496842884

      SHA256

      d2102751cd9dee1bebaa1926f96709130b08f7b398f251f3aae87b36a9e2afd8

      SHA512

      3413f680f50fdbff6bcdddbe11543c664917cea71b0c33a072b30c897e8b82693aa7b3871369f955453076558c27c2a59c2cb25f1e7124538a8a032b2772dc2f