Analysis

  • max time kernel
    145s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/04/2024, 23:53

General

  • Target
    e627a67268cb7518a9c5d4327ad45baa_JaffaCakes118.exe
  • Size 255KB
  • Sample240407-3xfd2aae59
  • SHA256 93849548439e771dfe211a662956966436b11f2b06b8d7b32e6184393ad1baf4
  • 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\e627a67268cb7518a9c5d4327ad45baa_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\e627a67268cb7518a9c5d4327ad45baa_JaffaCakes118.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4120
    • C:\Users\Admin\AppData\Local\Temp\7zS418D.tmp\513f8d35959f7.exe
      .\513f8d35959f7.exe /s
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops Chrome extension
      • Installs/modifies Browser Helper Object
      • Modifies registry class
      • System policy modification
      PID:4020

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        uninstall.exe

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

        513f8d35959f7.exe

        • Path C:\Users\Admin\AppData\Local\Temp\7zS418D.tmp\513f8d35959f7.exe
        • Size 71KB
        • SHA256 d205693516dbaf34cfbd216e825190de4de1412e861bc9cb30ce863907b30d22
        • MD5 SHA1 SHA512 SSDEEP

        513f8d3595a2f.dll

        • Path C:\Users\Admin\AppData\Local\Temp\7zS418D.tmp\513f8d3595a2f.dll
        • Size 115KB
        • SHA256 d4bb7937b36973cbf3b12c9500c25ed34103944a69bad9162f3b98f39474529c
        • MD5 SHA1 SHA512 SSDEEP

        513f8d3595a2f.tlb

        • Path C:\Users\Admin\AppData\Local\Temp\7zS418D.tmp\513f8d3595a2f.tlb
        • Size 18KB
        • SHA256 ac3a1daa32b1c489f9c2f4413ab35c4fc90b54a52ede0fb53276666e6eeef16f
        • MD5 SHA1 SHA512 SSDEEP

        513f8d35958014.18381309.js

        • Path C:\Users\Admin\AppData\Local\Temp\7zS418D.tmp\fpaehhlehljdkjghmeemdmllgljndanh\513f8d35958014.18381309.js
        • Size 4KB
        • SHA256 7cf7943043cb1d4c9a3d8268c5f316f08421ecc59712839dc858fc45fd4bd77c
        • MD5 SHA1 SHA512 SSDEEP

        background.html

        • Path C:\Users\Admin\AppData\Local\Temp\7zS418D.tmp\fpaehhlehljdkjghmeemdmllgljndanh\background.html
        • Size 161B
        • SHA256 922f82b09df791e3e2a60fe9461c13e7341438fe37c1850ef992333d8188c817
        • MD5 SHA1 SHA512

        content.js

        • Path C:\Users\Admin\AppData\Local\Temp\7zS418D.tmp\fpaehhlehljdkjghmeemdmllgljndanh\content.js
        • Size 197B
        • SHA256 fb01e87250ac9985ed08d97f2f99937a52998ea9faebdc88e4071d6517e1ea6b
        • MD5 SHA1 SHA512

        lsdb.js

        • Path C:\Users\Admin\AppData\Local\Temp\7zS418D.tmp\fpaehhlehljdkjghmeemdmllgljndanh\lsdb.js
        • Size 559B
        • SHA256 e3cf0049af8b9f6cb4f0223ccb8438f4b0c75863684c944450015868a0c45704
        • MD5 SHA1 SHA512

        manifest.json

        • Path C:\Users\Admin\AppData\Local\Temp\7zS418D.tmp\fpaehhlehljdkjghmeemdmllgljndanh\manifest.json
        • Size 500B
        • SHA256 81cf113c734d6ff5edd293044d50d58f618ddf7128964cdcffd00c1aede89e1c
        • MD5 SHA1 SHA512

        sqlite.js

        • Path C:\Users\Admin\AppData\Local\Temp\7zS418D.tmp\fpaehhlehljdkjghmeemdmllgljndanh\sqlite.js
        • Size 1KB
        • SHA256 bb499aff3818a5057cee1ac0a18d0362a85dbfbdd0fda05b8d61b70bc966b54a
        • MD5 SHA1 SHA512

        bootstrap.js

        • Path C:\Users\Admin\AppData\Local\Temp\7zS418D.tmp\[email protected]\bootstrap.js
        • Size 2KB
        • SHA256 372ff096c648a54ab85c5b81d79a9661a1feb5c49212845b8f46ad92c0eb40b3
        • MD5 SHA1 SHA512

        chrome.manifest

        • Path C:\Users\Admin\AppData\Local\Temp\7zS418D.tmp\[email protected]\chrome.manifest
        • Size 116B
        • SHA256 cef60d903c7b1f1a690fa5474e9854f2d42da7dfc5bb41032a43e96ce5798696
        • MD5 SHA1 SHA512

        bg.js

        • Path C:\Users\Admin\AppData\Local\Temp\7zS418D.tmp\[email protected]\content\bg.js
        • Size 8KB
        • SHA256 5242e9cb6a2642d3952cd7e3b4b71d7ffb443fd3170c16fe92619682059363de
        • MD5 SHA1 SHA512 SSDEEP

        zy.xul

        • Path C:\Users\Admin\AppData\Local\Temp\7zS418D.tmp\[email protected]\content\zy.xul
        • Size 225B
        • SHA256 25be0db0946829ed8a9c12fc4929cd261b3852f92cc8666e292d827eb3d4470f
        • MD5 SHA1 SHA512

        install.rdf

        • Path C:\Users\Admin\AppData\Local\Temp\7zS418D.tmp\[email protected]\install.rdf
        • Size 605B
        • SHA256 80f57a3f9b18e09163a755448d7a2c7df1c05936788da3b1911ce83482cc8276
        • MD5 SHA1 SHA512

        settings.ini

        • Path C:\Users\Admin\AppData\Local\Temp\7zS418D.tmp\settings.ini
        • Size 6KB
        • SHA256 13a6d575fe7fe05d1b9e0de2349f4ba91c23b412621fd90aa58b02f48e582eca
        • MD5 SHA1 SHA512 SSDEEP

        UserInfo.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsy4269.tmp\UserInfo.dll
        • Size 4KB
        • SHA256 564c80dec62d76c53497c40094db360ff8a36e0dc1bda8383d0f9583138997f5
        • MD5 SHA1 SHA512

        nsJSON.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsy4269.tmp\nsJSON.dll
        • Size 7KB
        • SHA256 49b173504eb9cd07e42a3c4deb84c2cd3f3b49c7fb0858aee43ddfc64660e384
        • MD5 SHA1 SHA512 SSDEEP

        memory/4020-78-0x00000000747C0000-0x00000000747CA000-memory.dmp