Analysis

  • max time kernel
    150s
  • max time network
    127s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/10/2024, 04:47

General

  • Target

    11e4392b79f6f9d06283ae4cdb7c6901_JaffaCakes118.exe

  • Size

    124KB

  • MD5

    11e4392b79f6f9d06283ae4cdb7c6901

  • SHA1

    876e1c001bbcf0ce348d49ccf7b816483da4191e

  • SHA256

    efd38796a065a58d2bc0d9d5877da3d986efa5331b5503f1bac0268f50d4f569

  • SHA512

    56fdfb75b8f288f0e018384d0ab8ed85db63454a17bd915748459fd6ae4b6c7003d28d217040bc6c55edfcab041e20de4f1505584f873fe4aa08066e644a1079

  • SSDEEP

    1536:RkEJhwRMuBxeDtMYHa27J14ltxporZ45iyNeG0h/x:+EJhwRMkeV6gJ1uCt45op

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 53 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\11e4392b79f6f9d06283ae4cdb7c6901_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\11e4392b79f6f9d06283ae4cdb7c6901_JaffaCakes118.exe"
    1⤵
    • Modifies visiblity of hidden/system files in Explorer
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2280
    • C:\Users\Admin\qiiwu.exe
      "C:\Users\Admin\qiiwu.exe"
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:1896
  • 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 --field-trial-handle=4348,i,11391966286255097843,10588851088187498028,262144 --variations-seed-version --mojo-platform-channel-handle=3904 /prefetch:8
    1⤵
      PID:3156

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\qiiwu.exe

      Filesize

      124KB

      MD5

      431a3f737d6599ed0faafd3291df7678

      SHA1

      01073df8eb1cf7bce14657250679cc01386a6aab

      SHA256

      bc604b581ebf55be46bda5f73d411def78396797a925e77207e4267ff6c7726a

      SHA512

      4442a9c3acd841c0b98e925051396bc64d132b8dc3997c6d23e3e3158299daca6c24d823e3d7197996d9fa015554a59a697544bdf3d1a19cb16d32b63a3e705b

    • memory/1896-21-0x0000000000400000-0x0000000000421000-memory.dmp

      Filesize

      132KB

    • memory/1896-26-0x0000000000400000-0x0000000000421000-memory.dmp

      Filesize

      132KB

    • memory/2280-0-0x0000000000400000-0x0000000000421000-memory.dmp

      Filesize

      132KB

    • memory/2280-25-0x0000000000400000-0x0000000000421000-memory.dmp

      Filesize

      132KB