Analysis

  • max time kernel
    92s
  • max time network
    97s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10/04/2024, 16:35

General

  • Target
    eb8170e45f92804fb5758dbc14327963_JaffaCakes118.exe
  • Size 250KB
  • Sample240410-t3srwaea47
  • SHA256 eda7f931ad8b80abc2850e4f3b3cac4ce6e86678c073664aa14399fd829be14d
  • 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\eb8170e45f92804fb5758dbc14327963_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\eb8170e45f92804fb5758dbc14327963_JaffaCakes118.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3996
    • C:\Users\Admin\AppData\Local\Temp\7zS7F32.tmp\50fa4e953936b.exe
      .\50fa4e953936b.exe /s
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops Chrome extension
      • Installs/modifies Browser Helper Object
      • Modifies registry class
      • System policy modification
      PID:4264

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        uninstall.exe

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

        bootstrap.js

        • Path C:\Users\Admin\AppData\Local\Temp\7zS7F32.tmp\[email protected]\bootstrap.js
        • Size 2KB
        • SHA256 94c98b6dc731c24f8eb482f61fae9d7dc3bc36bd714f0af765e85c31c2bfc166
        • MD5 SHA1 SHA512

        chrome.manifest

        • Path C:\Users\Admin\AppData\Local\Temp\7zS7F32.tmp\[email protected]\chrome.manifest
        • Size 116B
        • SHA256 3ff4649ad7df0f086b21dd7e6f74d3a58a4d0a1c064e6106ea974e7622344c05
        • MD5 SHA1 SHA512

        bg.js

        • Path C:\Users\Admin\AppData\Local\Temp\7zS7F32.tmp\[email protected]\content\bg.js
        • Size 8KB
        • SHA256 f861f16c07e1243635b8f446850b7a784912c1e6b6af41405a1bdf8f84554b40
        • MD5 SHA1 SHA512 SSDEEP

        zy.xul

        • Path C:\Users\Admin\AppData\Local\Temp\7zS7F32.tmp\[email protected]\content\zy.xul
        • Size 225B
        • SHA256 5c8f5148fbc2ee6f8963ad9706cecd035b19b74d5dae1c590c607220346b9811
        • MD5 SHA1 SHA512

        install.rdf

        • Path C:\Users\Admin\AppData\Local\Temp\7zS7F32.tmp\[email protected]\install.rdf
        • Size 700B
        • SHA256 c13fd351a8624ba7417071bf8d956280af129cc065f62d3f4d362b48830fd7a6
        • MD5 SHA1 SHA512

        50fa4e953936b.exe

        • Path C:\Users\Admin\AppData\Local\Temp\7zS7F32.tmp\50fa4e953936b.exe
        • Size 71KB
        • SHA256 d205693516dbaf34cfbd216e825190de4de1412e861bc9cb30ce863907b30d22
        • MD5 SHA1 SHA512 SSDEEP

        50fa4e95393a3.dll

        • Path C:\Users\Admin\AppData\Local\Temp\7zS7F32.tmp\50fa4e95393a3.dll
        • Size 116KB
        • SHA256 0648d564b30e13a0819f28e00a9af39a6686a4d29ccd265c7d81548e4fe0f67e
        • MD5 SHA1 SHA512 SSDEEP

        50fa4e95393a3.tlb

        • Path C:\Users\Admin\AppData\Local\Temp\7zS7F32.tmp\50fa4e95393a3.tlb
        • Size 2KB
        • SHA256 bd3d85c0136a66b2af79d4d91c1c5700c8931937b7e554d5ece946760ef4a99c
        • MD5 SHA1 SHA512

        50fa4e95391930.81112679.js

        • Path C:\Users\Admin\AppData\Local\Temp\7zS7F32.tmp\ilhbfokicdgpooolfnigneofignllgkh\50fa4e95391930.81112679.js
        • Size 4KB
        • SHA256 7db0c0b1b5f775c3a0e0e9a59509fd3a81e941cc5ec75b3a1a94c814b9903dd9
        • MD5 SHA1 SHA512 SSDEEP

        background.html

        • Path C:\Users\Admin\AppData\Local\Temp\7zS7F32.tmp\ilhbfokicdgpooolfnigneofignllgkh\background.html
        • Size 161B
        • SHA256 a9a20eba1d4572dc7725a177d550e7c154f075dc1c2fdd00da0704ba689d26a8
        • MD5 SHA1 SHA512

        content.js

        • Path C:\Users\Admin\AppData\Local\Temp\7zS7F32.tmp\ilhbfokicdgpooolfnigneofignllgkh\content.js
        • Size 197B
        • SHA256 fb01e87250ac9985ed08d97f2f99937a52998ea9faebdc88e4071d6517e1ea6b
        • MD5 SHA1 SHA512

        lsdb.js

        • Path C:\Users\Admin\AppData\Local\Temp\7zS7F32.tmp\ilhbfokicdgpooolfnigneofignllgkh\lsdb.js
        • Size 559B
        • SHA256 e3cf0049af8b9f6cb4f0223ccb8438f4b0c75863684c944450015868a0c45704
        • MD5 SHA1 SHA512

        manifest.json

        • Path C:\Users\Admin\AppData\Local\Temp\7zS7F32.tmp\ilhbfokicdgpooolfnigneofignllgkh\manifest.json
        • Size 475B
        • SHA256 5ac43caaa60d48d2c5bc8059dc845eb344b31c088207c8da714f7a36d500c69e
        • MD5 SHA1 SHA512

        sqlite.js

        • Path C:\Users\Admin\AppData\Local\Temp\7zS7F32.tmp\ilhbfokicdgpooolfnigneofignllgkh\sqlite.js
        • Size 1KB
        • SHA256 2241a7454f7c58ff53be57761585d3c4e1896949ca36a42d56bf6df07fe7ac27
        • MD5 SHA1 SHA512

        settings.ini

        • Path C:\Users\Admin\AppData\Local\Temp\7zS7F32.tmp\settings.ini
        • Size 6KB
        • SHA256 829afe2d3592d03cf50141e49038b8a90166eb14b7909eee8bc5065bc11059a7
        • MD5 SHA1 SHA512 SSDEEP

        UserInfo.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsy8195.tmp\UserInfo.dll
        • Size 4KB
        • SHA256 564c80dec62d76c53497c40094db360ff8a36e0dc1bda8383d0f9583138997f5
        • MD5 SHA1 SHA512

        nsJSON.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsy8195.tmp\nsJSON.dll
        • Size 7KB
        • SHA256 49b173504eb9cd07e42a3c4deb84c2cd3f3b49c7fb0858aee43ddfc64660e384
        • MD5 SHA1 SHA512 SSDEEP

        memory/4264-78-0x0000000074340000-0x000000007434A000-memory.dmp