Analysis

  • max time kernel
    144s
  • max time network
    160s
  • 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 14:40

General

  • Target

    f14cab39671f73d32332e9a554bd148f_JaffaCakes118.exe

  • Size

    16KB

  • MD5

    f14cab39671f73d32332e9a554bd148f

  • SHA1

    59a71ad6c2f820b8e65e62bb6210393e08af10e1

  • SHA256

    1ceaebbf20a7ce1a6ddc9771c1f52322f99cf840d005da9c859609e502a48c7b

  • SHA512

    e1932a4969d653047b6656b62a632bb2d7499ee998011ba8d2ebe0443c34ab42d57f50783f59494c9b7fa9d0a19366207af9e7cb7d25a0ef33a4d7ce23c2bef8

  • SSDEEP

    384:E+tPt9G7ZBczDrlRDVAJ8sN6cH5q0omvG5krdcWZ:5tPt074zD5RDVA2sN6cR9qY

Malware Config

Signatures

  • Modifies firewall policy service 2 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 3 IoCs
  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Loads dropped DLL 2 IoCs
  • UPX packed file 19 IoCs

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

  • Windows security modification 2 TTPs 3 IoCs
  • Installs/modifies Browser Helper Object 2 TTPs 2 IoCs

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

  • Drops file in System32 directory 1 IoCs
  • Modifies Internet Explorer Protected Mode 1 TTPs 5 IoCs
  • Modifies Internet Explorer settings 1 TTPs 5 IoCs
  • Modifies Internet Explorer start page 1 TTPs 2 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f14cab39671f73d32332e9a554bd148f_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f14cab39671f73d32332e9a554bd148f_JaffaCakes118.exe"
    1⤵
    • Modifies firewall policy service
    • Windows security bypass
    • Loads dropped DLL
    • Windows security modification
    • Installs/modifies Browser Helper Object
    • Drops file in System32 directory
    • Modifies Internet Explorer Protected Mode
    • Modifies Internet Explorer settings
    • Modifies Internet Explorer start page
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:4860
  • 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=3740 --field-trial-handle=2676,i,447940133669489189,1353734109898858672,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:4764

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Windows\SysWOW64\univrs32.dat

      Filesize

      10KB

      MD5

      f77a0d439437a5d9b15b5484f9fb4284

      SHA1

      3e9892b37e19a3e771644d21bc5e09dbb255a951

      SHA256

      3de87b3782015e2a37f65313b9ed2557a7a5ea74fccbd6c8a73d8cb2166c0d90

      SHA512

      6a084106914806547343591aefa1930cab6165cd17e360898e649cc046ad07300927bebcb7287f0849a9f0594906f8fa4846d0bb5c25a41b3327461248028bb6

    • memory/4860-17-0x0000000002CF0000-0x0000000002CF9000-memory.dmp

      Filesize

      36KB

    • memory/4860-10-0x0000000000400000-0x0000000000407000-memory.dmp

      Filesize

      28KB

    • memory/4860-19-0x0000000002CF0000-0x0000000002CF9000-memory.dmp

      Filesize

      36KB

    • memory/4860-23-0x0000000002CF0000-0x0000000002CF9000-memory.dmp

      Filesize

      36KB

    • memory/4860-21-0x0000000002CF0000-0x0000000002CF9000-memory.dmp

      Filesize

      36KB

    • memory/4860-11-0x0000000002CF0000-0x0000000002CF9000-memory.dmp

      Filesize

      36KB

    • memory/4860-13-0x0000000002CF0000-0x0000000002CF9000-memory.dmp

      Filesize

      36KB

    • memory/4860-14-0x0000000002CF0000-0x0000000002CF9000-memory.dmp

      Filesize

      36KB

    • memory/4860-16-0x0000000002CF0000-0x0000000002CF9000-memory.dmp

      Filesize

      36KB

    • memory/4860-0-0x00000000009B0000-0x00000000009B3000-memory.dmp

      Filesize

      12KB

    • memory/4860-6-0x0000000002CF0000-0x0000000002CF9000-memory.dmp

      Filesize

      36KB

    • memory/4860-1-0x0000000000400000-0x0000000000407000-memory.dmp

      Filesize

      28KB

    • memory/4860-9-0x0000000002CF0000-0x0000000002CF9000-memory.dmp

      Filesize

      36KB

    • memory/4860-25-0x0000000002CF0000-0x0000000002CF9000-memory.dmp

      Filesize

      36KB

    • memory/4860-27-0x0000000002CF0000-0x0000000002CF9000-memory.dmp

      Filesize

      36KB

    • memory/4860-29-0x0000000002CF0000-0x0000000002CF9000-memory.dmp

      Filesize

      36KB

    • memory/4860-31-0x0000000002CF0000-0x0000000002CF9000-memory.dmp

      Filesize

      36KB

    • memory/4860-33-0x0000000002CF0000-0x0000000002CF9000-memory.dmp

      Filesize

      36KB

    • memory/4860-35-0x0000000002CF0000-0x0000000002CF9000-memory.dmp

      Filesize

      36KB

    • memory/4860-37-0x0000000002CF0000-0x0000000002CF9000-memory.dmp

      Filesize

      36KB

    • memory/4860-39-0x0000000002CF0000-0x0000000002CF9000-memory.dmp

      Filesize

      36KB