Analysis

  • max time kernel
    140s
  • 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
    14/10/2024, 18:24

General

  • Target
    4394236f3d9baf45ef5b9c4703735255_JaffaCakes118.exe
  • Size 1.0MB
  • Sample241014-w136yazanc
  • SHA256 94e48328e1cd6aba301fe93a763c1a8c177ddc159c8ce0071cad18c4e7ba245d
  • 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\4394236f3d9baf45ef5b9c4703735255_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\4394236f3d9baf45ef5b9c4703735255_JaffaCakes118.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4032
    • C:\Users\Admin\AppData\Local\Temp\00294823\x0Tnc1vTU.exe
      "C:\Users\Admin\AppData\Local\Temp/00294823/x0Tnc1vTU.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:2996

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        _7nUaCdo.dll

        • Path C:\Users\Admin\AppData\Local\Temp\00294823\_7nUaCdo.dll
        • Size 258KB
        • SHA256 9900e517bfd4b39bd7af4bb360af52f6c95ef9b3e7ef36d2633485c58bef9a1a
        • MD5 SHA1 SHA512 SSDEEP

        _7nUaCdo.tlb

        • Path C:\Users\Admin\AppData\Local\Temp\00294823\_7nUaCdo.tlb
        • Size 2KB
        • SHA256 66fab808188a98ba49d99b723a181aa6626197d50bd2d5e15e076dcbc6fbb2cc
        • MD5 SHA1 SHA512

        _7nUaCdo.x64.dll

        • Path C:\Users\Admin\AppData\Local\Temp\00294823\_7nUaCdo.x64.dll
        • Size 319KB
        • SHA256 870c280ea861313edda0bd3950dc738ea68d006f315888d66023b54e5f98f0ea
        • MD5 SHA1 SHA512 SSDEEP

        background.html

        • Path C:\Users\Admin\AppData\Local\Temp\00294823\ilaiopgnlooimmoedmafllhpkofmbafe\background.html
        • Size 146B
        • SHA256 242c841ce38289a18abc7705da2f8c6cfe25867245fb75ecc18ef462cbca052b
        • MD5 SHA1 SHA512

        content.js

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

        kZY0v3CIt.js

        • Path C:\Users\Admin\AppData\Local\Temp\00294823\ilaiopgnlooimmoedmafllhpkofmbafe\kZY0v3CIt.js
        • Size 5KB
        • SHA256 32a8e476c9635bfb977049554e8e0b7157109eaec6a51cda00b6c52840d4677e
        • MD5 SHA1 SHA512 SSDEEP

        lsdb.js

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

        manifest.json

        • Path C:\Users\Admin\AppData\Local\Temp\00294823\ilaiopgnlooimmoedmafllhpkofmbafe\manifest.json
        • Size 507B
        • SHA256 e0c94c24542fe41ed974827b95b4a9e96065304b178f06bbaf4dcafe48cad05f
        • MD5 SHA1 SHA512

        sqlite.js

        • Path C:\Users\Admin\AppData\Local\Temp\00294823\ilaiopgnlooimmoedmafllhpkofmbafe\sqlite.js
        • Size 1KB
        • SHA256 2070767c32cb9c74daae8c419e8d608032210515cf8750911cf67c392d805460
        • MD5 SHA1 SHA512

        x0Tnc1vTU.dat

        • Path C:\Users\Admin\AppData\Local\Temp\00294823\x0Tnc1vTU.dat
        • Size 3KB
        • SHA256 81fb5501ee782ab7fd50dc5a0cac427cd2e398f20ab41b39da992aca27153615
        • MD5 SHA1 SHA512

        x0Tnc1vTU.exe

        • Path C:\Users\Admin\AppData\Local\Temp\00294823\x0Tnc1vTU.exe
        • Size 334KB
        • SHA256 f54a6814ac06c70ef5b738eca4855e49039783d96b70ba1ae461bd90877e53b5
        • MD5 SHA1 SHA512 SSDEEP

        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 79ee5e007b55e30d5797ad651eb7542bcf8f7e3c3fbd6c8e3ce30d0415baa01c
        • MD5 SHA1 SHA512

        bg.js

        • Path C:\Users\Admin\AppData\Local\Temp\00294823\[email protected]\content\bg.js
        • Size 9KB
        • SHA256 05791a658fdff7f0b7df5eb956e0b3ac8c3edeca9ee7895951730aaab37f02e6
        • MD5 SHA1 SHA512 SSDEEP

        install.rdf

        • Path C:\Users\Admin\AppData\Local\Temp\00294823\[email protected]\install.rdf
        • Size 606B
        • SHA256 a57c9a9d62c19d147a93886b77ede38c2b1ccc248a7160dd6f134e9effa7d955
        • MD5 SHA1 SHA512