Analysis

  • max time kernel
    94s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240704-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/07/2024, 22:05

General

  • Target
    2dfab451eaf2dd3c7e47cc66adc4cb46_JaffaCakes118.exe
  • Size 315KB
  • Sample240708-1zvwdstdqg
  • SHA256 42bcf04cd8db1eb549243fd9bfc4e8513540878e6f95b40dfac9374e276b3865
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Reads user/profile data of web browsers 2 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.

  • Installs/modifies Browser Helper Object 2 TTPs 4 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 63 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2dfab451eaf2dd3c7e47cc66adc4cb46_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\2dfab451eaf2dd3c7e47cc66adc4cb46_JaffaCakes118.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2004
    • C:\Users\Admin\AppData\Local\Temp\7zSBE4F.tmp\setup.exe
      .\setup.exe /s
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Installs/modifies Browser Helper Object
      • Modifies registry class
      • System policy modification
      PID:1976

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        uninstall.exe

        • Path C:\ProgramData\wxDfast\uninstall.exe
        • Size 46KB
        • SHA256 03c965d0bd9827a978ef4080139533573aa800c9803599c0ce91da48506ad8f6
        • MD5 SHA1 SHA512 SSDEEP

        chrome.manifest

        • Path C:\Users\Admin\AppData\Local\Temp\7zSBE4F.tmp\[email protected]\chrome.manifest
        • Size 114B
        • SHA256 3119bf1b0643e2a0f13fe5c933770b96f9626af7c8317a941911c093b30905de
        • MD5 SHA1 SHA512

        indexeddb.js

        • Path C:\Users\Admin\AppData\Local\Temp\7zSBE4F.tmp\[email protected]\content\indexeddb.js
        • Size 1KB
        • SHA256 ff0bf5215f88d7c6c7d1e274cbd4c8e70d2d063f7f6bb14fb6e55abc1c65cfe5
        • MD5 SHA1 SHA512

        jquery.js

        • Path C:\Users\Admin\AppData\Local\Temp\7zSBE4F.tmp\[email protected]\content\jquery.js
        • Size 91KB
        • SHA256 3739b485ac39b157caa066b883e4d9d3f74c50beff0b86cd8a24ce407b179a23
        • MD5 SHA1 SHA512 SSDEEP

        jsext.js

        • Path C:\Users\Admin\AppData\Local\Temp\7zSBE4F.tmp\[email protected]\content\jsext.js
        • Size 6KB
        • SHA256 857a784bb9038d4e65cfa6db321ce5b54b594a1a2bf803caa245fd86feaebb39
        • MD5 SHA1 SHA512 SSDEEP

        lsdb.js

        • Path C:\Users\Admin\AppData\Local\Temp\7zSBE4F.tmp\[email protected]\content\lsdb.js
        • Size 1KB
        • SHA256 4b55e86a6e1394266d8a8ef2167eedfa9f4ee5aad705946ce0b683424352c00e
        • MD5 SHA1 SHA512

        prfdb.js

        • Path C:\Users\Admin\AppData\Local\Temp\7zSBE4F.tmp\[email protected]\content\prfdb.js
        • Size 1KB
        • SHA256 6dc3aefa3bfb96b4deb02ecc69aac070b1006b1d3772b359fb4fbd036197cfc4
        • MD5 SHA1 SHA512

        sqlite.js

        • Path C:\Users\Admin\AppData\Local\Temp\7zSBE4F.tmp\[email protected]\content\sqlite.js
        • Size 1KB
        • SHA256 9877f57de32ab8e61cd3c221f7b7b51439ec8dfcad7e4698bdddc5dd970067e8
        • MD5 SHA1 SHA512

        wx.xul

        • Path C:\Users\Admin\AppData\Local\Temp\7zSBE4F.tmp\[email protected]\content\wx.xul
        • Size 228B
        • SHA256 b88441eff7e21b0205fa0a1fc59aa53a5f86b0bbf96785d376db2fa3c5eaa614
        • MD5 SHA1 SHA512

        install.rdf

        • Path C:\Users\Admin\AppData\Local\Temp\7zSBE4F.tmp\[email protected]\install.rdf
        • Size 677B
        • SHA256 dff6c50f44c68a4e3f672b1a4c7f6b9ed74bd5ed9bce5ea809eefc8c88fa9229
        • MD5 SHA1 SHA512

        background.html

        • Path C:\Users\Admin\AppData\Local\Temp\7zSBE4F.tmp\background.html
        • Size 5KB
        • SHA256 f30ef894fd0f0e59a592d0f022943fbfebd054e710c5bbc183f6b2e6244fe04b
        • MD5 SHA1 SHA512 SSDEEP

        bhoclass.dll

        • Path C:\Users\Admin\AppData\Local\Temp\7zSBE4F.tmp\bhoclass.dll
        • Size 139KB
        • SHA256 2b4d643a8a14f060bf3885f872b36e5e1fe1e777ad94783ba9593487c8e1f196
        • MD5 SHA1 SHA512 SSDEEP

        content.js

        • Path C:\Users\Admin\AppData\Local\Temp\7zSBE4F.tmp\content.js
        • Size 386B
        • SHA256 b677cf361a48d7d0a6b81e8c7467bdd9cb9f893982b3a52c46987f5ae5899600
        • MD5 SHA1 SHA512

        jjmnnikpjopkaaodaicjgclbkdnclfac.crx

        • Path C:\Users\Admin\AppData\Local\Temp\7zSBE4F.tmp\jjmnnikpjopkaaodaicjgclbkdnclfac.crx
        • Size 37KB
        • SHA256 ed00e0420829ff1e56868909793dadcdfd4112d8242ccff3841dd7762582a694
        • MD5 SHA1 SHA512 SSDEEP

        settings.ini

        • Path C:\Users\Admin\AppData\Local\Temp\7zSBE4F.tmp\settings.ini
        • Size 599B
        • SHA256 00a6bee3b72433d6e15d457e71052922398c31025308099a1e4d656feea2c532
        • MD5 SHA1 SHA512

        setup.exe

        • Path C:\Users\Admin\AppData\Local\Temp\7zSBE4F.tmp\setup.exe
        • Size 61KB
        • SHA256 15c0e4fd6091cda70fa308ea5ee956996f6eb23d24e44700bd5c74bf111cf2aa
        • MD5 SHA1 SHA512 SSDEEP