Analysis

  • max time kernel
    133s
  • max time network
    149s
  • 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, 04:38

General

  • Target
    68f06d865a6bab84839447436709afdd_JaffaCakes118.exe
  • Size 1.1MB
  • Sample241022-e9tkeszekq
  • SHA256 254ff11e521b02356fa51a30001e406146f65e8243b67b86b6d34f73dde1449e
  • 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\68f06d865a6bab84839447436709afdd_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\68f06d865a6bab84839447436709afdd_JaffaCakes118.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2312
    • C:\Users\Admin\AppData\Local\Temp\7zS9DA7.tmp\lV7zEYBxFhK.exe
      .\lV7zEYBxFhK.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:2428

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        4126807599.log

        • Path C:\Users\Admin\AppData\Local\Temp\7zS9DA7.tmp\4126807599.log
        • Size 6KB
        • SHA256 e23dad23ec59e3b26b9298c9a0f1a561c44e615d42cc55aa056eb5ca2d0740b3
        • MD5 SHA1 SHA512 SSDEEP

        background.html

        • Path C:\Users\Admin\AppData\Local\Temp\7zS9DA7.tmp\bkdplcpjjilenngmlinelfcecpfeedig\background.html
        • Size 148B
        • SHA256 1822dae5a65bcd3dba5ed26cf4acb16f4b4c32bda2f2bd4f0a07bbd33fe4212a
        • MD5 SHA1 SHA512

        content.js

        • Path C:\Users\Admin\AppData\Local\Temp\7zS9DA7.tmp\bkdplcpjjilenngmlinelfcecpfeedig\content.js
        • Size 197B
        • SHA256 fb01e87250ac9985ed08d97f2f99937a52998ea9faebdc88e4071d6517e1ea6b
        • MD5 SHA1 SHA512

        lsdb.js

        • Path C:\Users\Admin\AppData\Local\Temp\7zS9DA7.tmp\bkdplcpjjilenngmlinelfcecpfeedig\lsdb.js
        • Size 559B
        • SHA256 e3cf0049af8b9f6cb4f0223ccb8438f4b0c75863684c944450015868a0c45704
        • MD5 SHA1 SHA512

        manifest.json

        • Path C:\Users\Admin\AppData\Local\Temp\7zS9DA7.tmp\bkdplcpjjilenngmlinelfcecpfeedig\manifest.json
        • Size 557B
        • SHA256 0a017fa0c2dd46a19f037366646eca595635d7b847e6534fa25098a3c5ab7c6a
        • MD5 SHA1 SHA512

        newtab.html

        • Path C:\Users\Admin\AppData\Local\Temp\7zS9DA7.tmp\bkdplcpjjilenngmlinelfcecpfeedig\newtab.html
        • Size 371B
        • SHA256 b31310da332a22acf5bef68ea02fdc968819c48ef0d0d9671679bfa48ca0d11b
        • MD5 SHA1 SHA512

        sqlite.js

        • Path C:\Users\Admin\AppData\Local\Temp\7zS9DA7.tmp\bkdplcpjjilenngmlinelfcecpfeedig\sqlite.js
        • Size 1KB
        • SHA256 3a6d69b1cb6f2c0ebe5d5864185ab7575aa5f23c1f5fe4a50425e3c1f3bfe758
        • MD5 SHA1 SHA512

        wgLT6cxErH9.js

        • Path C:\Users\Admin\AppData\Local\Temp\7zS9DA7.tmp\bkdplcpjjilenngmlinelfcecpfeedig\wgLT6cxErH9.js
        • Size 5KB
        • SHA256 8929a12702df98d78a30a5ed62dfeeb62c67300c3489c8ba5a71239fb69bbda7
        • MD5 SHA1 SHA512 SSDEEP

        jRRqjKuE7H.dll

        • Path C:\Users\Admin\AppData\Local\Temp\7zS9DA7.tmp\jRRqjKuE7H.dll
        • Size 258KB
        • SHA256 9900e517bfd4b39bd7af4bb360af52f6c95ef9b3e7ef36d2633485c58bef9a1a
        • MD5 SHA1 SHA512 SSDEEP

        jRRqjKuE7H.tlb

        • Path C:\Users\Admin\AppData\Local\Temp\7zS9DA7.tmp\jRRqjKuE7H.tlb
        • Size 2KB
        • SHA256 66fab808188a98ba49d99b723a181aa6626197d50bd2d5e15e076dcbc6fbb2cc
        • MD5 SHA1 SHA512

        jRRqjKuE7H.x64.dll

        • Path C:\Users\Admin\AppData\Local\Temp\7zS9DA7.tmp\jRRqjKuE7H.x64.dll
        • Size 319KB
        • SHA256 870c280ea861313edda0bd3950dc738ea68d006f315888d66023b54e5f98f0ea
        • MD5 SHA1 SHA512 SSDEEP

        lV7zEYBxFhK.dat

        • Path C:\Users\Admin\AppData\Local\Temp\7zS9DA7.tmp\lV7zEYBxFhK.dat
        • Size 5KB
        • SHA256 c181b1d46af82f5d16a02363a7f42e79d787a5f4523b05bb93f0d4f83268d593
        • MD5 SHA1 SHA512 SSDEEP

        lV7zEYBxFhK.exe

        • Path C:\Users\Admin\AppData\Local\Temp\7zS9DA7.tmp\lV7zEYBxFhK.exe
        • Size 334KB
        • SHA256 f54a6814ac06c70ef5b738eca4855e49039783d96b70ba1ae461bd90877e53b5
        • MD5 SHA1 SHA512 SSDEEP

        bootstrap.js

        • Path C:\Users\Admin\AppData\Local\Temp\7zS9DA7.tmp\[email protected]\bootstrap.js
        • Size 2KB
        • SHA256 a7dfea4bf7e1d46a8b8e64ccfb2cf35017e3a5b350eead26d6671254d2b3c46f
        • MD5 SHA1 SHA512

        chrome.manifest

        • Path C:\Users\Admin\AppData\Local\Temp\7zS9DA7.tmp\[email protected]\chrome.manifest
        • Size 114B
        • SHA256 f2c3c741f590e1898458d2839725a1c666c82f78017049c96d7d5aaf80b34cc8
        • MD5 SHA1 SHA512

        bg.js

        • Path C:\Users\Admin\AppData\Local\Temp\7zS9DA7.tmp\[email protected]\content\bg.js
        • Size 9KB
        • SHA256 fa5b18a25058dae353141b3b87913d211bde2e073bd3422d2dffc83cf067d5e0
        • MD5 SHA1 SHA512 SSDEEP

        install.rdf

        • Path C:\Users\Admin\AppData\Local\Temp\7zS9DA7.tmp\[email protected]\install.rdf
        • Size 609B
        • SHA256 ec95f238d8ecac93028efcf87148f318ab14f0a7481da6bfe43979dfdc0a32ed
        • MD5 SHA1 SHA512