Analysis

  • max time kernel
    150s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/04/2024, 09:06

General

  • Target
    b44b92c44635675f49d46d4534fbdf37_JaffaCakes118.exe
  • Size 880KB
  • Sample240404-k2qfpaba5t
  • SHA256 8d9756a2f082217d1b77fd8703d5161d7bb29ad993fd05eafa2c07b5c9d6f2ab
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops autorun.inf file 1 TTPs 1 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 64 IoCs
  • NTFS ADS 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b44b92c44635675f49d46d4534fbdf37_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\b44b92c44635675f49d46d4534fbdf37_JaffaCakes118.exe"
    1⤵
    • Adds Run key to start application
    • Drops autorun.inf file
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • NTFS ADS
    • Suspicious use of SetWindowsHookEx
    PID:2316
  • 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=3860 --field-trial-handle=2260,i,9938964625802268469,1928462186077019554,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:1132

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          patcher.exe

          • Path C:\905c0769f9a06c95a24ddf945\patcher.exe
          • Size 1.7MB
          • SHA256 b4339285e501200f950463f6139d091ce79116f1fce60bef0a50f49a0fd67604
          • MD5 SHA1 SHA512 SSDEEP

          memory/2316-0-0x0000000000400000-0x000000000040D000-memory.dmp