Analysis

  • max time kernel
    134s
  • max time network
    138s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21/10/2024, 13:11

General

  • Target
    66cd991747898db96e79c20c25aaf5f3_JaffaCakes118.exe
  • Size 255KB
  • Sample241021-qfbcjavdkd
  • SHA256 db40269be181b97604f2271f9009774dbba55a08cb9ae3fe7eb00a666b251d51
  • 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\66cd991747898db96e79c20c25aaf5f3_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\66cd991747898db96e79c20c25aaf5f3_JaffaCakes118.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5088
    • C:\Users\Admin\AppData\Local\Temp\7zSC1C9.tmp\51ecb0f8ef7b9.exe
      .\51ecb0f8ef7b9.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:2832

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        uninstall.exe

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

        51ecb0f8ef7b9.exe

        • Path C:\Users\Admin\AppData\Local\Temp\7zSC1C9.tmp\51ecb0f8ef7b9.exe
        • Size 71KB
        • SHA256 d205693516dbaf34cfbd216e825190de4de1412e861bc9cb30ce863907b30d22
        • MD5 SHA1 SHA512 SSDEEP

        51ecb0f8ef7e1.dll

        • Path C:\Users\Admin\AppData\Local\Temp\7zSC1C9.tmp\51ecb0f8ef7e1.dll
        • Size 116KB
        • SHA256 a758ad4fdc8949ea005258075457a972eb0672d69d98d688117b85221fca096a
        • MD5 SHA1 SHA512 SSDEEP

        51ecb0f8ef7e1.tlb

        • Path C:\Users\Admin\AppData\Local\Temp\7zSC1C9.tmp\51ecb0f8ef7e1.tlb
        • Size 18KB
        • SHA256 a8e54ad3e1fbc91d5a7b02bf177a24a02f2558419ce46859bf15859b81478492
        • MD5 SHA1 SHA512 SSDEEP

        bootstrap.js

        • Path C:\Users\Admin\AppData\Local\Temp\7zSC1C9.tmp\[email protected]\bootstrap.js
        • Size 2KB
        • SHA256 f90bd25ecab4dc5710a9a8ef82ec3c92aabdd3605b0e1d63fcbfff2ab0284657
        • MD5 SHA1 SHA512

        chrome.manifest

        • Path C:\Users\Admin\AppData\Local\Temp\7zSC1C9.tmp\[email protected]\chrome.manifest
        • Size 116B
        • SHA256 1a1869780fc7dc06ea96a13179ca96617151fe9c653957ab2400321386ea6433
        • MD5 SHA1 SHA512

        bg.js

        • Path C:\Users\Admin\AppData\Local\Temp\7zSC1C9.tmp\[email protected]\content\bg.js
        • Size 8KB
        • SHA256 e3b4ed2159666c130dd2e7d330226f7102d3214f74d1c410256e024156af16cd
        • MD5 SHA1 SHA512 SSDEEP

        install.rdf

        • Path C:\Users\Admin\AppData\Local\Temp\7zSC1C9.tmp\[email protected]\install.rdf
        • Size 604B
        • SHA256 b5a0e0138acbc11e07bfda176e7024d813df33acda807e66562c3aa357d4bcc2
        • MD5 SHA1 SHA512

        51ecb0f8ef5a08.67209231.js

        • Path C:\Users\Admin\AppData\Local\Temp\7zSC1C9.tmp\cimlhbhfoinnheclneehdoobeamnopia\51ecb0f8ef5a08.67209231.js
        • Size 4KB
        • SHA256 ee55e7b055fb9a612c3a7c5bc45639eca8cf7b379fff04314afac8b1c6bfca1a
        • MD5 SHA1 SHA512 SSDEEP

        background.html

        • Path C:\Users\Admin\AppData\Local\Temp\7zSC1C9.tmp\cimlhbhfoinnheclneehdoobeamnopia\background.html
        • Size 161B
        • SHA256 610ccebd360192fc4eac1a25ae95f23f165c5f3c2b9735694dc065f548b52e79
        • MD5 SHA1 SHA512

        content.js

        • Path C:\Users\Admin\AppData\Local\Temp\7zSC1C9.tmp\cimlhbhfoinnheclneehdoobeamnopia\content.js
        • Size 197B
        • SHA256 fb01e87250ac9985ed08d97f2f99937a52998ea9faebdc88e4071d6517e1ea6b
        • MD5 SHA1 SHA512

        lsdb.js

        • Path C:\Users\Admin\AppData\Local\Temp\7zSC1C9.tmp\cimlhbhfoinnheclneehdoobeamnopia\lsdb.js
        • Size 559B
        • SHA256 e3cf0049af8b9f6cb4f0223ccb8438f4b0c75863684c944450015868a0c45704
        • MD5 SHA1 SHA512

        manifest.json

        • Path C:\Users\Admin\AppData\Local\Temp\7zSC1C9.tmp\cimlhbhfoinnheclneehdoobeamnopia\manifest.json
        • Size 503B
        • SHA256 e1585d5fc87cbc22f2d87cb1290c895c451958545493df2c27caad6fe18f9612
        • MD5 SHA1 SHA512

        sqlite.js

        • Path C:\Users\Admin\AppData\Local\Temp\7zSC1C9.tmp\cimlhbhfoinnheclneehdoobeamnopia\sqlite.js
        • Size 1KB
        • SHA256 71c4b1ccf5ead501fb984371d82196a039f345757b6d911e41f3036a037e8aae
        • MD5 SHA1 SHA512

        settings.ini

        • Path C:\Users\Admin\AppData\Local\Temp\7zSC1C9.tmp\settings.ini
        • Size 7KB
        • SHA256 3b1d1ac18c565bf6d905df86b1e96f320816aff1347f9b6eb93c2d0e17234d14
        • MD5 SHA1 SHA512 SSDEEP

        UserInfo.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsyC2E3.tmp\UserInfo.dll
        • Size 4KB
        • SHA256 564c80dec62d76c53497c40094db360ff8a36e0dc1bda8383d0f9583138997f5
        • MD5 SHA1 SHA512

        nsJSON.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsyC2E3.tmp\nsJSON.dll
        • Size 7KB
        • SHA256 49b173504eb9cd07e42a3c4deb84c2cd3f3b49c7fb0858aee43ddfc64660e384
        • MD5 SHA1 SHA512 SSDEEP

        memory/2832-73-0x0000000073F40000-0x0000000073F4A000-memory.dmp