Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16/04/2024, 04:19

General

  • Target
    f2addb92c3b56c8d3edf6fe20915324e_JaffaCakes118.exe
  • Size 255KB
  • Sample240416-ex14qsbc31
  • SHA256 f6cbda913e6b4b815f005315fd01322d1854b05c411033fe39a1bdee975c402f
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 3 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • UPX packed file 2 IoCs

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

  • 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 3 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • NSIS installer 4 IoCs
  • Modifies registry class 45 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f2addb92c3b56c8d3edf6fe20915324e_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f2addb92c3b56c8d3edf6fe20915324e_JaffaCakes118.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2988
    • C:\Users\Admin\AppData\Local\Temp\7zS50B0.tmp\515306ef6312f.exe
      .\515306ef6312f.exe /s
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops Chrome extension
      • Installs/modifies Browser Helper Object
      • Modifies registry class
      • System policy modification
      PID:2348

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        uninstall.exe

        • Path C:\ProgramData\Search-NewTaebb\uninstall.exe
        • Size 48KB
        • SHA256 a76272ed3bbf23308782a308d428ee805ec77fbb622a830af26cb0ddbbf7377b
        • MD5 SHA1 SHA512 SSDEEP

        515306ef6312f.exe

        • Path C:\Users\Admin\AppData\Local\Temp\7zS50B0.tmp\515306ef6312f.exe
        • Size 71KB
        • SHA256 d205693516dbaf34cfbd216e825190de4de1412e861bc9cb30ce863907b30d22
        • MD5 SHA1 SHA512 SSDEEP

        515306ef63168.dll

        • Path C:\Users\Admin\AppData\Local\Temp\7zS50B0.tmp\515306ef63168.dll
        • Size 115KB
        • SHA256 d4bb7937b36973cbf3b12c9500c25ed34103944a69bad9162f3b98f39474529c
        • MD5 SHA1 SHA512 SSDEEP

        515306ef63168.tlb

        • Path C:\Users\Admin\AppData\Local\Temp\7zS50B0.tmp\515306ef63168.tlb
        • Size 18KB
        • SHA256 ac3a1daa32b1c489f9c2f4413ab35c4fc90b54a52ede0fb53276666e6eeef16f
        • MD5 SHA1 SHA512 SSDEEP

        bootstrap.js

        • Path C:\Users\Admin\AppData\Local\Temp\7zS50B0.tmp\[email protected]\bootstrap.js
        • Size 2KB
        • SHA256 be4e6fbf848397ef315d227321056ed0c2f9eec32852a7c14b381bb31c8972fa
        • MD5 SHA1 SHA512

        chrome.manifest

        • Path C:\Users\Admin\AppData\Local\Temp\7zS50B0.tmp\[email protected]\chrome.manifest
        • Size 116B
        • SHA256 24514bcb79e667e1fd2c99454404d22963649f68e8c0efebf6bdd28e732bd8f4
        • MD5 SHA1 SHA512

        bg.js

        • Path C:\Users\Admin\AppData\Local\Temp\7zS50B0.tmp\[email protected]\content\bg.js
        • Size 8KB
        • SHA256 09743260c96cc1c498a4fa3cd141dae250b97fe34574ee5227a728d0fec4c0bd
        • MD5 SHA1 SHA512 SSDEEP

        zy.xul

        • Path C:\Users\Admin\AppData\Local\Temp\7zS50B0.tmp\[email protected]\content\zy.xul
        • Size 225B
        • SHA256 99582f61f46d1403c95bd0f0ef819887eae1332177c34637bd9d8871da066306
        • MD5 SHA1 SHA512

        install.rdf

        • Path C:\Users\Admin\AppData\Local\Temp\7zS50B0.tmp\[email protected]\install.rdf
        • Size 610B
        • SHA256 33e6a7b19812304cb2db0de21635ee465af155dc9d6d6e2ce185c22fddc48079
        • MD5 SHA1 SHA512

        515306ef62f153.54105292.js

        • Path C:\Users\Admin\AppData\Local\Temp\7zS50B0.tmp\jmmfoafjgglokhkbadpdhkpociidjgbf\515306ef62f153.54105292.js
        • Size 4KB
        • SHA256 a95c978c4d32381bee5f7d362b8273e082f3958b15e80b5b5a4c47a8177a3fb1
        • MD5 SHA1 SHA512 SSDEEP

        background.html

        • Path C:\Users\Admin\AppData\Local\Temp\7zS50B0.tmp\jmmfoafjgglokhkbadpdhkpociidjgbf\background.html
        • Size 161B
        • SHA256 b37a39fbb42591f1012e81a2863cd76ca6ce3a3187e88308324059c4801d4aa5
        • MD5 SHA1 SHA512

        content.js

        • Path C:\Users\Admin\AppData\Local\Temp\7zS50B0.tmp\jmmfoafjgglokhkbadpdhkpociidjgbf\content.js
        • Size 197B
        • SHA256 fb01e87250ac9985ed08d97f2f99937a52998ea9faebdc88e4071d6517e1ea6b
        • MD5 SHA1 SHA512

        lsdb.js

        • Path C:\Users\Admin\AppData\Local\Temp\7zS50B0.tmp\jmmfoafjgglokhkbadpdhkpociidjgbf\lsdb.js
        • Size 559B
        • SHA256 e3cf0049af8b9f6cb4f0223ccb8438f4b0c75863684c944450015868a0c45704
        • MD5 SHA1 SHA512

        manifest.json

        • Path C:\Users\Admin\AppData\Local\Temp\7zS50B0.tmp\jmmfoafjgglokhkbadpdhkpociidjgbf\manifest.json
        • Size 558B
        • SHA256 d1197643046944e681b1602176aac8c49fa9600eb4d5816c4bbaacafc4c77a82
        • MD5 SHA1 SHA512

        newtab.html

        • Path C:\Users\Admin\AppData\Local\Temp\7zS50B0.tmp\jmmfoafjgglokhkbadpdhkpociidjgbf\newtab.html
        • Size 378B
        • SHA256 819d71c51ae4985b59276996652fb51f5aeade0b8671b8a447115aba5fdf635b
        • MD5 SHA1 SHA512

        sqlite.js

        • Path C:\Users\Admin\AppData\Local\Temp\7zS50B0.tmp\jmmfoafjgglokhkbadpdhkpociidjgbf\sqlite.js
        • Size 1KB
        • SHA256 6844bc6baa1b937bedc357dae3470db43907acc62b4382c7d022d89eb1b515e3
        • MD5 SHA1 SHA512

        settings.ini

        • Path C:\Users\Admin\AppData\Local\Temp\7zS50B0.tmp\settings.ini
        • Size 7KB
        • SHA256 bba6211fc038ba3a312aed0170d059532d7e516bd0802a80c4ae66ae6a9c8402
        • MD5 SHA1 SHA512 SSDEEP

        UserInfo.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsj51CA.tmp\UserInfo.dll
        • Size 4KB
        • SHA256 564c80dec62d76c53497c40094db360ff8a36e0dc1bda8383d0f9583138997f5
        • MD5 SHA1 SHA512

        nsJSON.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsj51CA.tmp\nsJSON.dll
        • Size 7KB
        • SHA256 49b173504eb9cd07e42a3c4deb84c2cd3f3b49c7fb0858aee43ddfc64660e384
        • MD5 SHA1 SHA512 SSDEEP

        memory/2348-83-0x00000000744A0000-0x00000000744AA000-memory.dmp