Analysis

  • max time kernel
    93s
  • max time network
    96s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/10/2024, 09:43

General

  • Target
    172b67603f0d522c8d85b4117195a740_JaffaCakes118.exe
  • Size 255KB
  • Sample241005-lpyf7ssepb
  • SHA256 34bb9dad046db1496442c5ba61a5fbf1fb287abbce87e396574246b4fc48e936
  • 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 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 3 IoCs

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

  • UPX packed file 2 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • 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.

  • 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\172b67603f0d522c8d85b4117195a740_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\172b67603f0d522c8d85b4117195a740_JaffaCakes118.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2608
    • C:\Users\Admin\AppData\Local\Temp\7zS8D0D.tmp\51e78ccd702f8.exe
      .\51e78ccd702f8.exe /s
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops Chrome extension
      • Installs/modifies Browser Helper Object
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • System policy modification
      PID:1072

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        uninstall.exe

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

        51e78ccd702f8.exe

        • Path C:\Users\Admin\AppData\Local\Temp\7zS8D0D.tmp\51e78ccd702f8.exe
        • Size 71KB
        • SHA256 d205693516dbaf34cfbd216e825190de4de1412e861bc9cb30ce863907b30d22
        • MD5 SHA1 SHA512 SSDEEP

        51e78ccd70331.dll

        • Path C:\Users\Admin\AppData\Local\Temp\7zS8D0D.tmp\51e78ccd70331.dll
        • Size 116KB
        • SHA256 a758ad4fdc8949ea005258075457a972eb0672d69d98d688117b85221fca096a
        • MD5 SHA1 SHA512 SSDEEP

        51e78ccd70331.tlb

        • Path C:\Users\Admin\AppData\Local\Temp\7zS8D0D.tmp\51e78ccd70331.tlb
        • Size 18KB
        • SHA256 a8e54ad3e1fbc91d5a7b02bf177a24a02f2558419ce46859bf15859b81478492
        • MD5 SHA1 SHA512 SSDEEP

        bootstrap.js

        • Path C:\Users\Admin\AppData\Local\Temp\7zS8D0D.tmp\[email protected]\bootstrap.js
        • Size 2KB
        • SHA256 da6c019ead2f10b74dd89aed592f3ea1d7a85c258e404cca01dda2e3bbe4c1cb
        • MD5 SHA1 SHA512

        chrome.manifest

        • Path C:\Users\Admin\AppData\Local\Temp\7zS8D0D.tmp\[email protected]\chrome.manifest
        • Size 116B
        • SHA256 c6b2d1fab4e1574cf3b51f67814e7815f616e5df6c932ad4fc0dd2735c08bac1
        • MD5 SHA1 SHA512

        bg.js

        • Path C:\Users\Admin\AppData\Local\Temp\7zS8D0D.tmp\[email protected]\content\bg.js
        • Size 8KB
        • SHA256 b76a81b54b2c188085b20798c82bca6bb75ee6a82a25cd8a33dbeb235864ec84
        • MD5 SHA1 SHA512 SSDEEP

        install.rdf

        • Path C:\Users\Admin\AppData\Local\Temp\7zS8D0D.tmp\[email protected]\install.rdf
        • Size 609B
        • SHA256 318d91d29235cba64c9491c96d91a2521980d700bf97ade8310ac68b142387b7
        • MD5 SHA1 SHA512

        51e78ccd700f55.98892207.js

        • Path C:\Users\Admin\AppData\Local\Temp\7zS8D0D.tmp\obdepncbljlomjdjfcphlkdlamkbalof\51e78ccd700f55.98892207.js
        • Size 4KB
        • SHA256 e1950e24123ff195971902ece50b35d045cdab692bb2f4dd8dfbdb5efbe882d5
        • MD5 SHA1 SHA512 SSDEEP

        background.html

        • Path C:\Users\Admin\AppData\Local\Temp\7zS8D0D.tmp\obdepncbljlomjdjfcphlkdlamkbalof\background.html
        • Size 161B
        • SHA256 72dbf81554d6ac9a0a0156431f0410d1700de708fbd68628bd6ce652fd9f2f44
        • MD5 SHA1 SHA512

        content.js

        • Path C:\Users\Admin\AppData\Local\Temp\7zS8D0D.tmp\obdepncbljlomjdjfcphlkdlamkbalof\content.js
        • Size 197B
        • SHA256 fb01e87250ac9985ed08d97f2f99937a52998ea9faebdc88e4071d6517e1ea6b
        • MD5 SHA1 SHA512

        lsdb.js

        • Path C:\Users\Admin\AppData\Local\Temp\7zS8D0D.tmp\obdepncbljlomjdjfcphlkdlamkbalof\lsdb.js
        • Size 559B
        • SHA256 e3cf0049af8b9f6cb4f0223ccb8438f4b0c75863684c944450015868a0c45704
        • MD5 SHA1 SHA512

        manifest.json

        • Path C:\Users\Admin\AppData\Local\Temp\7zS8D0D.tmp\obdepncbljlomjdjfcphlkdlamkbalof\manifest.json
        • Size 509B
        • SHA256 0bcdbd20eb0cf7f0df7b18ec007d69f95768b305c406cee1246a3fe4555a418c
        • MD5 SHA1 SHA512

        sqlite.js

        • Path C:\Users\Admin\AppData\Local\Temp\7zS8D0D.tmp\obdepncbljlomjdjfcphlkdlamkbalof\sqlite.js
        • Size 1KB
        • SHA256 6b5545408abb10c3f12c9b71186b5b10164a060da91ec87fd0941a070bb570e8
        • MD5 SHA1 SHA512

        settings.ini

        • Path C:\Users\Admin\AppData\Local\Temp\7zS8D0D.tmp\settings.ini
        • Size 6KB
        • SHA256 2119cc9c12bb5dc1c172bc790a1fe20cb841868017341d02e33a7c30ec62fc7b
        • MD5 SHA1 SHA512 SSDEEP

        UserInfo.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsd8E18.tmp\UserInfo.dll
        • Size 4KB
        • SHA256 564c80dec62d76c53497c40094db360ff8a36e0dc1bda8383d0f9583138997f5
        • MD5 SHA1 SHA512

        nsJSON.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsd8E18.tmp\nsJSON.dll
        • Size 7KB
        • SHA256 49b173504eb9cd07e42a3c4deb84c2cd3f3b49c7fb0858aee43ddfc64660e384
        • MD5 SHA1 SHA512 SSDEEP

        memory/1072-74-0x0000000074860000-0x000000007486A000-memory.dmp