Analysis

  • max time kernel
    135s
  • max time network
    127s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22/10/2024, 03:58

General

  • Target
    68cd7a686e5cc5ff0b6cdc2dfa0857be_JaffaCakes118.exe
  • Size 1.1MB
  • Sample241022-ejmdeswbrb
  • SHA256 7e93d905908f27cc9f2da586261b6cd9a54393a4441870c2cd15c0c9267b9918
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 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 4 IoCs

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

  • 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.

  • Modifies Internet Explorer settings 1 TTPs 4 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\68cd7a686e5cc5ff0b6cdc2dfa0857be_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\68cd7a686e5cc5ff0b6cdc2dfa0857be_JaffaCakes118.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2272
    • C:\Users\Admin\AppData\Local\Temp\7zS8414.tmp\GQEiYSktvxW.exe
      .\GQEiYSktvxW.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops Chrome extension
      • Installs/modifies Browser Helper Object
      • System Location Discovery: System Language Discovery
      • Modifies Internet Explorer settings
      • Modifies registry class
      • System policy modification
      PID:4940

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        7210708307215503197.log

        • Path C:\Users\Admin\AppData\Local\Temp\7zS8414.tmp\7210708307215503197.log
        • Size 6KB
        • SHA256 21f86c9e39315900391ddd2b981a2246eb597fc8338a3eda49897e5f50bd7c37
        • MD5 SHA1 SHA512 SSDEEP

        GQEiYSktvxW.dat

        • Path C:\Users\Admin\AppData\Local\Temp\7zS8414.tmp\GQEiYSktvxW.dat
        • Size 6KB
        • SHA256 f92fa1faf5ddd7a1eb850dac35668d4915080ffa96a7555229de4c2f537e76ae
        • MD5 SHA1 SHA512 SSDEEP

        GQEiYSktvxW.exe

        • Path C:\Users\Admin\AppData\Local\Temp\7zS8414.tmp\GQEiYSktvxW.exe
        • Size 334KB
        • SHA256 f54a6814ac06c70ef5b738eca4855e49039783d96b70ba1ae461bd90877e53b5
        • MD5 SHA1 SHA512 SSDEEP

        UeJMZ6Z0lV.dll

        • Path C:\Users\Admin\AppData\Local\Temp\7zS8414.tmp\UeJMZ6Z0lV.dll
        • Size 258KB
        • SHA256 9900e517bfd4b39bd7af4bb360af52f6c95ef9b3e7ef36d2633485c58bef9a1a
        • MD5 SHA1 SHA512 SSDEEP

        UeJMZ6Z0lV.tlb

        • Path C:\Users\Admin\AppData\Local\Temp\7zS8414.tmp\UeJMZ6Z0lV.tlb
        • Size 2KB
        • SHA256 66fab808188a98ba49d99b723a181aa6626197d50bd2d5e15e076dcbc6fbb2cc
        • MD5 SHA1 SHA512

        UeJMZ6Z0lV.x64.dll

        • Path C:\Users\Admin\AppData\Local\Temp\7zS8414.tmp\UeJMZ6Z0lV.x64.dll
        • Size 319KB
        • SHA256 870c280ea861313edda0bd3950dc738ea68d006f315888d66023b54e5f98f0ea
        • MD5 SHA1 SHA512 SSDEEP

        bootstrap.js

        • Path C:\Users\Admin\AppData\Local\Temp\7zS8414.tmp\[email protected]\bootstrap.js
        • Size 2KB
        • SHA256 a7dfea4bf7e1d46a8b8e64ccfb2cf35017e3a5b350eead26d6671254d2b3c46f
        • MD5 SHA1 SHA512

        chrome.manifest

        • Path C:\Users\Admin\AppData\Local\Temp\7zS8414.tmp\[email protected]\chrome.manifest
        • Size 114B
        • SHA256 87ffb197b6cd20b018ccbe4c7ce0cce48adba4393e3babd99c1a9839886f9399
        • MD5 SHA1 SHA512

        bg.js

        • Path C:\Users\Admin\AppData\Local\Temp\7zS8414.tmp\[email protected]\content\bg.js
        • Size 9KB
        • SHA256 1610f85ed150b14a520522100b1bfd81d307ef832d7125c37fc44e093a46bae8
        • MD5 SHA1 SHA512 SSDEEP

        install.rdf

        • Path C:\Users\Admin\AppData\Local\Temp\7zS8414.tmp\[email protected]\install.rdf
        • Size 611B
        • SHA256 b3305d52b1fcedee8273d0f2b88d0e0c99b90bc7483fdbba661deb676e298c6e
        • MD5 SHA1 SHA512

        akb2iGYlcez.js

        • Path C:\Users\Admin\AppData\Local\Temp\7zS8414.tmp\ekjghlcnnajhcncpcbdpkdoajlndjheg\akb2iGYlcez.js
        • Size 5KB
        • SHA256 4c7be783b4f5e3868bce157ce0a4e924b6fa1c53d21e5574b2a5bf323d254a2a
        • MD5 SHA1 SHA512 SSDEEP

        background.html

        • Path C:\Users\Admin\AppData\Local\Temp\7zS8414.tmp\ekjghlcnnajhcncpcbdpkdoajlndjheg\background.html
        • Size 148B
        • SHA256 eb7cf5f8048039249c8d82e4150c7a21db27150fc353b367aef3b85a3e4b3fb2
        • MD5 SHA1 SHA512

        content.js

        • Path C:\Users\Admin\AppData\Local\Temp\7zS8414.tmp\ekjghlcnnajhcncpcbdpkdoajlndjheg\content.js
        • Size 197B
        • SHA256 fb01e87250ac9985ed08d97f2f99937a52998ea9faebdc88e4071d6517e1ea6b
        • MD5 SHA1 SHA512

        lsdb.js

        • Path C:\Users\Admin\AppData\Local\Temp\7zS8414.tmp\ekjghlcnnajhcncpcbdpkdoajlndjheg\lsdb.js
        • Size 559B
        • SHA256 e3cf0049af8b9f6cb4f0223ccb8438f4b0c75863684c944450015868a0c45704
        • MD5 SHA1 SHA512

        manifest.json

        • Path C:\Users\Admin\AppData\Local\Temp\7zS8414.tmp\ekjghlcnnajhcncpcbdpkdoajlndjheg\manifest.json
        • Size 509B
        • SHA256 b15862b9a0bfd76191c049e96010075368063117097c8d1f6eb4c99d9e00f98b
        • MD5 SHA1 SHA512

        sqlite.js

        • Path C:\Users\Admin\AppData\Local\Temp\7zS8414.tmp\ekjghlcnnajhcncpcbdpkdoajlndjheg\sqlite.js
        • Size 1KB
        • SHA256 582a5c8ea3b95828341d16d8591acf9a6afcabb9a1bcde4d96a7c5850d1cc47f
        • MD5 SHA1 SHA512