Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22/10/2024, 03:32

General

  • Target
    68b50c2ad3cf8377c3c89d29a8c99833_JaffaCakes118.exe
  • Size 1.0MB
  • Sample241022-d33n3svbmd
  • SHA256 77dd1fe24d75a524ec9dc5695f9284025417b3ef6c51829333caad92b9630e5d
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Reads user/profile data of web browsers 3 TTPs

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

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Drops Chrome extension 1 IoCs
  • Installs/modifies Browser Helper Object 2 TTPs 4 IoCs

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

  • 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.

  • Modifies Internet Explorer settings 1 TTPs 4 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\68b50c2ad3cf8377c3c89d29a8c99833_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\68b50c2ad3cf8377c3c89d29a8c99833_JaffaCakes118.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2960
    • C:\Users\Admin\AppData\Local\Temp\00294823\Dwf6vQd0q.exe
      "C:\Users\Admin\AppData\Local\Temp/00294823/Dwf6vQd0q.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops Chrome extension
      • Installs/modifies Browser Helper Object
      • System Location Discovery: System Language Discovery
      • Modifies Internet Explorer settings
      • Modifies registry class
      • System policy modification
      PID:1660

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        Dwf6vQd0q.dat

        • Path C:\Users\Admin\AppData\Local\Temp\00294823\Dwf6vQd0q.dat
        • Size 3KB
        • SHA256 3bfd5a45b6bdd8a4f38ce43ad940104d5e799c45c9f623d0419b47a6423c7324
        • MD5 SHA1 SHA512

        Dwf6vQd0q.exe

        • Path C:\Users\Admin\AppData\Local\Temp\00294823\Dwf6vQd0q.exe
        • Size 334KB
        • SHA256 f54a6814ac06c70ef5b738eca4855e49039783d96b70ba1ae461bd90877e53b5
        • MD5 SHA1 SHA512 SSDEEP

        j4D4AvIp.dll

        • Path C:\Users\Admin\AppData\Local\Temp\00294823\j4D4AvIp.dll
        • Size 258KB
        • SHA256 9900e517bfd4b39bd7af4bb360af52f6c95ef9b3e7ef36d2633485c58bef9a1a
        • MD5 SHA1 SHA512 SSDEEP

        j4D4AvIp.tlb

        • Path C:\Users\Admin\AppData\Local\Temp\00294823\j4D4AvIp.tlb
        • Size 2KB
        • SHA256 66fab808188a98ba49d99b723a181aa6626197d50bd2d5e15e076dcbc6fbb2cc
        • MD5 SHA1 SHA512

        j4D4AvIp.x64.dll

        • Path C:\Users\Admin\AppData\Local\Temp\00294823\j4D4AvIp.x64.dll
        • Size 319KB
        • SHA256 870c280ea861313edda0bd3950dc738ea68d006f315888d66023b54e5f98f0ea
        • MD5 SHA1 SHA512 SSDEEP

        DRvwZFGZH.js

        • Path C:\Users\Admin\AppData\Local\Temp\00294823\lhnammbdoikdjneihfpelapinhpdgoje\DRvwZFGZH.js
        • Size 5KB
        • SHA256 5c7b4cba3dc38d699fd390d7795a1d5a436d2f3cf4882c4fce001099771e6037
        • MD5 SHA1 SHA512 SSDEEP

        background.html

        • Path C:\Users\Admin\AppData\Local\Temp\00294823\lhnammbdoikdjneihfpelapinhpdgoje\background.html
        • Size 146B
        • SHA256 02dbe6219ff480d52a499d9dc28307a7f785e06242c055aa239a99323631aa49
        • MD5 SHA1 SHA512

        content.js

        • Path C:\Users\Admin\AppData\Local\Temp\00294823\lhnammbdoikdjneihfpelapinhpdgoje\content.js
        • Size 197B
        • SHA256 fb01e87250ac9985ed08d97f2f99937a52998ea9faebdc88e4071d6517e1ea6b
        • MD5 SHA1 SHA512

        lsdb.js

        • Path C:\Users\Admin\AppData\Local\Temp\00294823\lhnammbdoikdjneihfpelapinhpdgoje\lsdb.js
        • Size 559B
        • SHA256 e3cf0049af8b9f6cb4f0223ccb8438f4b0c75863684c944450015868a0c45704
        • MD5 SHA1 SHA512

        manifest.json

        • Path C:\Users\Admin\AppData\Local\Temp\00294823\lhnammbdoikdjneihfpelapinhpdgoje\manifest.json
        • Size 510B
        • SHA256 c53d8288ced3335d4f906822785d7f97334fb55639b32bccf28197c08e7b3fae
        • MD5 SHA1 SHA512

        sqlite.js

        • Path C:\Users\Admin\AppData\Local\Temp\00294823\lhnammbdoikdjneihfpelapinhpdgoje\sqlite.js
        • Size 1KB
        • SHA256 e666e45e21f8e5e14284b48966102e64f6bb0416d1e7251401a6a253e42f0835
        • MD5 SHA1 SHA512

        bootstrap.js

        • Path C:\Users\Admin\AppData\Local\Temp\00294823\[email protected]\bootstrap.js
        • Size 2KB
        • SHA256 a7dfea4bf7e1d46a8b8e64ccfb2cf35017e3a5b350eead26d6671254d2b3c46f
        • MD5 SHA1 SHA512

        chrome.manifest

        • Path C:\Users\Admin\AppData\Local\Temp\00294823\[email protected]\chrome.manifest
        • Size 110B
        • SHA256 480539c8120d350741cb5fa4df2b4ffae69472bd7cc3202e0e14333ab79a4ad2
        • MD5 SHA1 SHA512

        bg.js

        • Path C:\Users\Admin\AppData\Local\Temp\00294823\[email protected]\content\bg.js
        • Size 9KB
        • SHA256 8a63c4f845295750f147833934d150b6cd071d0c484dde876b3402b2852a2a68
        • MD5 SHA1 SHA512 SSDEEP

        install.rdf

        • Path C:\Users\Admin\AppData\Local\Temp\00294823\[email protected]\install.rdf
        • Size 621B
        • SHA256 dcfab6061ae3201dc729e96d06d2d133baf62a8e8cd0edeaba3c6002cdc56b2c
        • MD5 SHA1 SHA512