Analysis

  • max time kernel
    147s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240319-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240319-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/04/2024, 01:27

General

  • Target
    ec64c1ccaca6d60ffb4e064b58f67bf5_JaffaCakes118.exe
  • Size 128KB
  • Sample240411-bvgersge82
  • SHA256 76580dc3263a61b7d5a3b8d60be20eb08099d645daad909408be24496359001f
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Loads dropped DLL 1 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Installs/modifies Browser Helper Object 2 TTPs 2 IoCs

    BHOs are DLL modules which act as plugins for Internet Explorer.

  • Drops file in Program Files directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 64 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ec64c1ccaca6d60ffb4e064b58f67bf5_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\ec64c1ccaca6d60ffb4e064b58f67bf5_JaffaCakes118.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious use of WriteProcessMemory
    PID:4552
    • C:\Windows\SysWOW64\regsvr32.exe
      "C:\Windows\system32\regsvr32.exe" /s "C:\Program Files (x86)\Common Files\PushWare\cpush.dll"
      2⤵
      • Loads dropped DLL
      • Installs/modifies Browser Helper Object
      • Modifies registry class
      PID:1712
  • 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=4164 --field-trial-handle=2148,i,1752153415760610784,11376271161549019716,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:4876

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          cpush.dll

          • Path C:\Program Files (x86)\Common Files\PushWare\cpush.dll
          • Size 208KB
          • SHA256 567887e104611e6a3c9d593e5cfdf326e449462b31745999e27001d269a647e5
          • MD5 SHA1 SHA512 SSDEEP