Analysis

  • max time kernel
    125s
  • max time network
    161s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-04-2024 13:54

General

  • Target

    f137a1e8bc73f5b49301ca321de1ae56_JaffaCakes118.dll

  • Size

    19KB

  • MD5

    f137a1e8bc73f5b49301ca321de1ae56

  • SHA1

    35874795821d496284ce97533c2b3a17bb5aa6d5

  • SHA256

    89e80797875190dfbba60807dd8eb69070ce9201e68bd97522a36ff95560ec7e

  • SHA512

    ef85a7c6663b7b89567c2e6bb55ad7b6a6ff8c6dd571b6de8392e2076b72ea47524caeb2f51247f7946ffe25e5f8ca0db7bf2691fb8cff8d37a7d22832eaf7e7

  • SSDEEP

    384:MuyLktPH4nxjsLzRQmu+/kGgzcTW/YjU6NZIIF4w/aIk0ivhjzxp:MuP5zKmXkfglNZIIqbzzxp

Score
7/10

Malware Config

Signatures

  • UPX packed file 1 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Installs/modifies Browser Helper Object 2 TTPs 2 IoCs

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

  • Modifies registry class 46 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\f137a1e8bc73f5b49301ca321de1ae56_JaffaCakes118.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1524
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\f137a1e8bc73f5b49301ca321de1ae56_JaffaCakes118.dll
      2⤵
      • Installs/modifies Browser Helper Object
      • Modifies registry class
      PID:1496
  • 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 --field-trial-handle=4312,i,13091489124830795026,15731852258593881289,262144 --variations-seed-version --mojo-platform-channel-handle=3816 /prefetch:8
    1⤵
      PID:2744

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1496-0-0x0000000010000000-0x0000000010010000-memory.dmp

      Filesize

      64KB