Analysis

  • max time kernel
    153s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-04-2024 13:58

General

  • Target

    f139440f283bf6c7219184c185516883_JaffaCakes118.dll

  • Size

    556KB

  • MD5

    f139440f283bf6c7219184c185516883

  • SHA1

    ae78dd331c5ff8cc2a522c2412665529d32a837a

  • SHA256

    dd21e820441964cce318a73313c5e77fc706c1a04c5166754755b211f4cab510

  • SHA512

    ee7b93206027dba4e6ca8a0690c6679afadb5bf5ea63b2024c07a6e4a211716975ae4e3d3e25c3645032340106caee0a49743a2ad8d16c8c9552b6a5bb87722e

  • SSDEEP

    12288:jyA1ZdqVfv/6HftOIA3+00wstpSdCi3TLdrviTzPPfkKVBwI:H1fqZCHwIr00taCiHR6T7PsK

Score
6/10

Malware Config

Signatures

  • Installs/modifies Browser Helper Object 2 TTPs 1 IoCs

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

  • Modifies registry class 11 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\f139440f283bf6c7219184c185516883_JaffaCakes118.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4968
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\f139440f283bf6c7219184c185516883_JaffaCakes118.dll
      2⤵
      • Installs/modifies Browser Helper Object
      • Modifies registry class
      PID:3696
  • 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=1412 --field-trial-handle=3088,i,14310325015283915034,7660943942870463106,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:3864

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads