Analysis

  • max time kernel
    122s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    21/10/2024, 07:20

General

  • Target
    65f59dec5067d0d98cf7478420bbd2bf_JaffaCakes118.exe
  • Size 250KB
  • Sample241021-h58ekavblf
  • SHA256 d3f95ecd0d30956724a05cdbba0414497bd297aaca368aaad4ea6918d9fe85c7
  • 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 5 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 7 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\65f59dec5067d0d98cf7478420bbd2bf_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\65f59dec5067d0d98cf7478420bbd2bf_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2316
    • C:\Users\Admin\AppData\Local\Temp\7zS8E0D.tmp\50fc139c3644e.exe
      .\50fc139c3644e.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:2860

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        uninstall.exe

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

        bootstrap.js

        • Path C:\Users\Admin\AppData\Local\Temp\7zS8E0D.tmp\[email protected]\bootstrap.js
        • Size 2KB
        • SHA256 b90ae55e6df92a6b510b18977e559423f89253bffa9be110cdd492e2cda9c694
        • MD5 SHA1 SHA512

        chrome.manifest

        • Path C:\Users\Admin\AppData\Local\Temp\7zS8E0D.tmp\[email protected]\chrome.manifest
        • Size 116B
        • SHA256 82b54dba6a95f530b1e195cf5c5fe0a843ba46657353d00289b944178cc66953
        • MD5 SHA1 SHA512

        bg.js

        • Path C:\Users\Admin\AppData\Local\Temp\7zS8E0D.tmp\[email protected]\content\bg.js
        • Size 8KB
        • SHA256 76873d088a13f93c33df65382770694fcdb8301155b5bac039e568f314aa0c6d
        • MD5 SHA1 SHA512 SSDEEP

        zy.xul

        • Path C:\Users\Admin\AppData\Local\Temp\7zS8E0D.tmp\[email protected]\content\zy.xul
        • Size 225B
        • SHA256 1a0c48d09e8e1bae0851a1f991aea7bba518fa50311baefa530ba62aad12e272
        • MD5 SHA1 SHA512

        install.rdf

        • Path C:\Users\Admin\AppData\Local\Temp\7zS8E0D.tmp\[email protected]\install.rdf
        • Size 700B
        • SHA256 483424990f3d4ad7ca8686f9a93103d26342d5b7678ae9b5b339453de941f099
        • MD5 SHA1 SHA512

        50fc139c3644e.exe

        • Path C:\Users\Admin\AppData\Local\Temp\7zS8E0D.tmp\50fc139c3644e.exe
        • Size 71KB
        • SHA256 d205693516dbaf34cfbd216e825190de4de1412e861bc9cb30ce863907b30d22
        • MD5 SHA1 SHA512 SSDEEP

        50fc139c36487.dll

        • Path C:\Users\Admin\AppData\Local\Temp\7zS8E0D.tmp\50fc139c36487.dll
        • Size 118KB
        • SHA256 67014a6fc8a77ae480dae9b09f800a1f40a40399ef967f86843a80eb4c9eb470
        • MD5 SHA1 SHA512 SSDEEP

        50fc139c36487.tlb

        • Path C:\Users\Admin\AppData\Local\Temp\7zS8E0D.tmp\50fc139c36487.tlb
        • Size 2KB
        • SHA256 0a94d2086eb6ac57ba5ee365d3f6f64f33e7c8d18419f04715460bc04ebddf2d
        • MD5 SHA1 SHA512

        50fc139c3627b3.73860393.js

        • Path C:\Users\Admin\AppData\Local\Temp\7zS8E0D.tmp\llkjeafoakjkojaffbknojkfkgbfmcla\50fc139c3627b3.73860393.js
        • Size 4KB
        • SHA256 a0f2cfc893e818c28aab172e1cf8ef001afccd829c286c1367adbcfd2a4e2ce8
        • MD5 SHA1 SHA512 SSDEEP

        background.html

        • Path C:\Users\Admin\AppData\Local\Temp\7zS8E0D.tmp\llkjeafoakjkojaffbknojkfkgbfmcla\background.html
        • Size 161B
        • SHA256 90223c42e18089fa9c912126cfb8b67115a81269445a88e5844b953ab9ec606f
        • MD5 SHA1 SHA512

        content.js

        • Path C:\Users\Admin\AppData\Local\Temp\7zS8E0D.tmp\llkjeafoakjkojaffbknojkfkgbfmcla\content.js
        • Size 197B
        • SHA256 fb01e87250ac9985ed08d97f2f99937a52998ea9faebdc88e4071d6517e1ea6b
        • MD5 SHA1 SHA512

        lsdb.js

        • Path C:\Users\Admin\AppData\Local\Temp\7zS8E0D.tmp\llkjeafoakjkojaffbknojkfkgbfmcla\lsdb.js
        • Size 559B
        • SHA256 e3cf0049af8b9f6cb4f0223ccb8438f4b0c75863684c944450015868a0c45704
        • MD5 SHA1 SHA512

        manifest.json

        • Path C:\Users\Admin\AppData\Local\Temp\7zS8E0D.tmp\llkjeafoakjkojaffbknojkfkgbfmcla\manifest.json
        • Size 478B
        • SHA256 e15ef287b8e6853958efe9c2b2ea5316ad6a2828b5cc61e0baac56e35e7fb84e
        • MD5 SHA1 SHA512

        sqlite.js

        • Path C:\Users\Admin\AppData\Local\Temp\7zS8E0D.tmp\llkjeafoakjkojaffbknojkfkgbfmcla\sqlite.js
        • Size 1KB
        • SHA256 b042688896a718dde0d260fe2118d9f0fe5aea956a479168366bf1082454db76
        • MD5 SHA1 SHA512

        settings.ini

        • Path C:\Users\Admin\AppData\Local\Temp\7zS8E0D.tmp\settings.ini
        • Size 6KB
        • SHA256 a020afd2ed19858b3b6264f8e82cb38df99c84cc31b41367db1cb09ff652f456
        • MD5 SHA1 SHA512 SSDEEP

        UserInfo.dll

        • Path \Users\Admin\AppData\Local\Temp\nst8EE8.tmp\UserInfo.dll
        • Size 4KB
        • SHA256 564c80dec62d76c53497c40094db360ff8a36e0dc1bda8383d0f9583138997f5
        • MD5 SHA1 SHA512

        nsJSON.dll

        • Path \Users\Admin\AppData\Local\Temp\nst8EE8.tmp\nsJSON.dll
        • Size 7KB
        • SHA256 49b173504eb9cd07e42a3c4deb84c2cd3f3b49c7fb0858aee43ddfc64660e384
        • MD5 SHA1 SHA512 SSDEEP

        memory/2860-80-0x0000000074C90000-0x0000000074C9A000-memory.dmp