Analysis

  • max time kernel
    142s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-06-2024 23:19

General

  • Target

    03f6333174c5f772944a7ae21b63d6ad_JaffaCakes118.dll

  • Size

    240KB

  • MD5

    03f6333174c5f772944a7ae21b63d6ad

  • SHA1

    989a66c718bf4e258bfc759570952068e510aed5

  • SHA256

    c6cdac7898d7c52f8836a6188ca9286e2db84f376be1020dddb4dd5264f8d426

  • SHA512

    25b87217b40b270483d09d8b1ac6a31bbf4d6adef8e9653e6ff3048fdbfd24a4a2f70f0a6f1bff157433d7062e0fe85103cf0626c5887ffc2756fbc2fd64d105

  • SSDEEP

    3072:YQ9aMPTcXSi3SUzKT7H9b3K/aEd2c2s7rtkM:dcdpeT7BK/Lcc9z

Score
10/10

Malware Config

Signatures

  • Adds autorun key to be loaded by Explorer.exe on startup 2 TTPs 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Drops file in System32 directory 4 IoCs
  • Modifies registry class 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\03f6333174c5f772944a7ae21b63d6ad_JaffaCakes118.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:452
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\03f6333174c5f772944a7ae21b63d6ad_JaffaCakes118.dll,#1
      2⤵
      • Adds autorun key to be loaded by Explorer.exe on startup
      • Loads dropped DLL
      • Drops file in System32 directory
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1680
  • 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=4064 --field-trial-handle=2744,i,16362475727591565961,3676688664819797550,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:2724

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Windows\SysWOW64\gms.dll

      Filesize

      625KB

      MD5

      eccf28d7e5ccec24119b88edd160f8f4

      SHA1

      98509587a3d37a20b56b50fd57f823a1691a034c

      SHA256

      820c83c0533cfce2928e29edeaf6c255bc19ac9718b25a5656d99ffac30a03d6

      SHA512

      c1c94bbb781625b2317f0a8178d3a10d891fb71bca8f82cd831c484e8ab125301b82a14fe2ff070dc99a496cc00234300fa5536401018c40d49d44ae89409670

    • C:\Windows\SysWOW64\uag.dll

      Filesize

      478KB

      MD5

      e99416267b61f52fa5ab994019efd359

      SHA1

      86d31eae707db7fe51d2556394fcf0e8e9f6b0fd

      SHA256

      768c286674371564b5e6095edb56e0a4231f341be895da69cfccca5160029774

      SHA512

      0a1c7579a9c787c2c1bef35f0660e72e74b42824e14ebea63b87ed25ddaf107e3746567bb431cab41a2f6719fad2c22d96e0715a1fe085d75805d7d66f7f05ae

    • memory/1680-6-0x000000007628E000-0x000000007628F000-memory.dmp

      Filesize

      4KB

    • memory/1680-12-0x0000000076270000-0x00000000762EA000-memory.dmp

      Filesize

      488KB

    • memory/1680-14-0x0000000000400000-0x0000000000444000-memory.dmp

      Filesize

      272KB

    • memory/1680-16-0x0000000076270000-0x00000000762EA000-memory.dmp

      Filesize

      488KB

    • memory/1680-18-0x0000000000400000-0x0000000000444000-memory.dmp

      Filesize

      272KB