Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/04/2024, 13:34

General

  • Target
    e50c7454f1976296253469e4ea353fd3_JaffaCakes118.exe
  • Size 250KB
  • Sample240407-qt6qlaea67
  • SHA256 7ea1ebbfe6c1d523b6a5704a7a25c692d4f16bbfcd5e00a25a4b8f0c7aa113b3
  • 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\e50c7454f1976296253469e4ea353fd3_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\e50c7454f1976296253469e4ea353fd3_JaffaCakes118.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4500
    • C:\Users\Admin\AppData\Local\Temp\7zS3F5B.tmp\51066c3c2e954.exe
      .\51066c3c2e954.exe /s
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops Chrome extension
      • Installs/modifies Browser Helper Object
      • Modifies registry class
      • System policy modification
      PID:3636

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\7zS3F5B.tmp\[email protected]\bootstrap.js
        • Size 2KB
        • SHA256 d935fac25a1adc2dfdcda875a36ba21fc47ac9b7342de2b7679ec2603abdd4a9
        • MD5 SHA1 SHA512

        chrome.manifest

        • Path C:\Users\Admin\AppData\Local\Temp\7zS3F5B.tmp\[email protected]\chrome.manifest
        • Size 116B
        • SHA256 e489a85991b54cbbadd7828fabdbdbe772c59b019f5a1d1530ba8102c340aee7
        • MD5 SHA1 SHA512

        bg.js

        • Path C:\Users\Admin\AppData\Local\Temp\7zS3F5B.tmp\[email protected]\content\bg.js
        • Size 8KB
        • SHA256 dec9dbd634077dd8f4a8e4d491736f564ace9bda416de9cf7064904721e22c36
        • MD5 SHA1 SHA512 SSDEEP

        zy.xul

        • Path C:\Users\Admin\AppData\Local\Temp\7zS3F5B.tmp\[email protected]\content\zy.xul
        • Size 225B
        • SHA256 f91bd45684ec50b301437b5e71c5012c675f4a99620022285088f32869962e11
        • MD5 SHA1 SHA512

        install.rdf

        • Path C:\Users\Admin\AppData\Local\Temp\7zS3F5B.tmp\[email protected]\install.rdf
        • Size 700B
        • SHA256 29952e844e78be32324714808ed7a6ce2c9de40a518b7a15b946c6e5fe91ae55
        • MD5 SHA1 SHA512

        51066c3c2e954.exe

        • Path C:\Users\Admin\AppData\Local\Temp\7zS3F5B.tmp\51066c3c2e954.exe
        • Size 71KB
        • SHA256 d205693516dbaf34cfbd216e825190de4de1412e861bc9cb30ce863907b30d22
        • MD5 SHA1 SHA512 SSDEEP

        51066c3c2e98d.dll

        • Path C:\Users\Admin\AppData\Local\Temp\7zS3F5B.tmp\51066c3c2e98d.dll
        • Size 118KB
        • SHA256 67014a6fc8a77ae480dae9b09f800a1f40a40399ef967f86843a80eb4c9eb470
        • MD5 SHA1 SHA512 SSDEEP

        51066c3c2e98d.tlb

        • Path C:\Users\Admin\AppData\Local\Temp\7zS3F5B.tmp\51066c3c2e98d.tlb
        • Size 2KB
        • SHA256 0a94d2086eb6ac57ba5ee365d3f6f64f33e7c8d18419f04715460bc04ebddf2d
        • MD5 SHA1 SHA512

        51066c3c2e7676.35430533.js

        • Path C:\Users\Admin\AppData\Local\Temp\7zS3F5B.tmp\hpcefnlgiddgldkfhkclihnajkjojkhl\51066c3c2e7676.35430533.js
        • Size 4KB
        • SHA256 5326509c1dd6ac9ee7c6d6dc8ab484c574b7a10abeba84e757b7529b87e91fd1
        • MD5 SHA1 SHA512 SSDEEP

        background.html

        • Path C:\Users\Admin\AppData\Local\Temp\7zS3F5B.tmp\hpcefnlgiddgldkfhkclihnajkjojkhl\background.html
        • Size 161B
        • SHA256 79ef6f42adf48c3c5315e824c4dfa9f814c88a50a3bdb308c753c2163833569e
        • MD5 SHA1 SHA512

        content.js

        • Path C:\Users\Admin\AppData\Local\Temp\7zS3F5B.tmp\hpcefnlgiddgldkfhkclihnajkjojkhl\content.js
        • Size 197B
        • SHA256 fb01e87250ac9985ed08d97f2f99937a52998ea9faebdc88e4071d6517e1ea6b
        • MD5 SHA1 SHA512

        lsdb.js

        • Path C:\Users\Admin\AppData\Local\Temp\7zS3F5B.tmp\hpcefnlgiddgldkfhkclihnajkjojkhl\lsdb.js
        • Size 559B
        • SHA256 e3cf0049af8b9f6cb4f0223ccb8438f4b0c75863684c944450015868a0c45704
        • MD5 SHA1 SHA512

        manifest.json

        • Path C:\Users\Admin\AppData\Local\Temp\7zS3F5B.tmp\hpcefnlgiddgldkfhkclihnajkjojkhl\manifest.json
        • Size 479B
        • SHA256 a631255a7467449ff89bb97a8d97632411076d00bfb8dc84c19abd100e235e7c
        • MD5 SHA1 SHA512

        sqlite.js

        • Path C:\Users\Admin\AppData\Local\Temp\7zS3F5B.tmp\hpcefnlgiddgldkfhkclihnajkjojkhl\sqlite.js
        • Size 1KB
        • SHA256 eae12acc6b9b5cf08e52d5ec41e3b3357013a9c5b54583e19363237eda458f56
        • MD5 SHA1 SHA512

        settings.ini

        • Path C:\Users\Admin\AppData\Local\Temp\7zS3F5B.tmp\settings.ini
        • Size 7KB
        • SHA256 3c64c83200d04f3af5108e71cf3b86aa0b56fb1a53b0aa07dcd7c167424abc6d
        • MD5 SHA1 SHA512 SSDEEP

        UserInfo.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nss4027.tmp\UserInfo.dll
        • Size 4KB
        • SHA256 564c80dec62d76c53497c40094db360ff8a36e0dc1bda8383d0f9583138997f5
        • MD5 SHA1 SHA512

        nsJSON.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nss4027.tmp\nsJSON.dll
        • Size 7KB
        • SHA256 49b173504eb9cd07e42a3c4deb84c2cd3f3b49c7fb0858aee43ddfc64660e384
        • MD5 SHA1 SHA512 SSDEEP

        memory/3636-79-0x0000000074900000-0x000000007490A000-memory.dmp