Analysis

  • max time kernel
    120s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    22/10/2024, 04:24

General

  • Target
    68e3cda0cd2a5527b8cb84bf827ee803_JaffaCakes118.exe
  • Size 1.0MB
  • Sample241022-e1f8qsxclg
  • SHA256 24437047880fcab0cd4f55f1974fdf4902a4a3807535d3a0274ee8e06ad8e512
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 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 7 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\68e3cda0cd2a5527b8cb84bf827ee803_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\68e3cda0cd2a5527b8cb84bf827ee803_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2332
    • C:\Users\Admin\AppData\Local\Temp\00294823\5TSfj8.exe
      "C:\Users\Admin\AppData\Local\Temp/00294823/5TSfj8.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:2472

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        5TSfj8.dat

        • Path C:\Users\Admin\AppData\Local\Temp\00294823\5TSfj8.dat
        • Size 3KB
        • SHA256 3ba667ffc75f21a9f984705a4a664a8032e9845ced64b6c47f9f2bb5f00d89fe
        • MD5 SHA1 SHA512

        5TSfj8.exe

        • Path C:\Users\Admin\AppData\Local\Temp\00294823\5TSfj8.exe
        • Size 334KB
        • SHA256 f54a6814ac06c70ef5b738eca4855e49039783d96b70ba1ae461bd90877e53b5
        • MD5 SHA1 SHA512 SSDEEP

        JJoJ0.dll

        • Path C:\Users\Admin\AppData\Local\Temp\00294823\JJoJ0.dll
        • Size 258KB
        • SHA256 9900e517bfd4b39bd7af4bb360af52f6c95ef9b3e7ef36d2633485c58bef9a1a
        • MD5 SHA1 SHA512 SSDEEP

        JJoJ0.tlb

        • Path C:\Users\Admin\AppData\Local\Temp\00294823\JJoJ0.tlb
        • Size 2KB
        • SHA256 66fab808188a98ba49d99b723a181aa6626197d50bd2d5e15e076dcbc6fbb2cc
        • MD5 SHA1 SHA512

        JJoJ0.x64.dll

        • Path C:\Users\Admin\AppData\Local\Temp\00294823\JJoJ0.x64.dll
        • Size 319KB
        • SHA256 870c280ea861313edda0bd3950dc738ea68d006f315888d66023b54e5f98f0ea
        • MD5 SHA1 SHA512 SSDEEP

        background.html

        • Path C:\Users\Admin\AppData\Local\Temp\00294823\dajphckmgggkebckhefbghdmkpnkjnnk\background.html
        • Size 143B
        • SHA256 4cde236a3fb31e3f57265f185c605d6ac84c90acb9ae216d9d7b86e5e3adf793
        • MD5 SHA1 SHA512

        content.js

        • Path C:\Users\Admin\AppData\Local\Temp\00294823\dajphckmgggkebckhefbghdmkpnkjnnk\content.js
        • Size 197B
        • SHA256 fb01e87250ac9985ed08d97f2f99937a52998ea9faebdc88e4071d6517e1ea6b
        • MD5 SHA1 SHA512

        iSGfec.js

        • Path C:\Users\Admin\AppData\Local\Temp\00294823\dajphckmgggkebckhefbghdmkpnkjnnk\iSGfec.js
        • Size 5KB
        • SHA256 ad37ffc2bd297708c18eb4b5b4f89b4d52e3e9bd1b8b6fda0dda595ce7b1872f
        • MD5 SHA1 SHA512 SSDEEP

        lsdb.js

        • Path C:\Users\Admin\AppData\Local\Temp\00294823\dajphckmgggkebckhefbghdmkpnkjnnk\lsdb.js
        • Size 559B
        • SHA256 e3cf0049af8b9f6cb4f0223ccb8438f4b0c75863684c944450015868a0c45704
        • MD5 SHA1 SHA512

        manifest.json

        • Path C:\Users\Admin\AppData\Local\Temp\00294823\dajphckmgggkebckhefbghdmkpnkjnnk\manifest.json
        • Size 508B
        • SHA256 c45a8f115a025818679ee2ab6b3be0404db23b14341261b6d00e7273ef7fe0d1
        • MD5 SHA1 SHA512

        sqlite.js

        • Path C:\Users\Admin\AppData\Local\Temp\00294823\dajphckmgggkebckhefbghdmkpnkjnnk\sqlite.js
        • Size 1KB
        • SHA256 09ca1211f4253af32a4f54781fca27d3f75cc8d0898660088c87e45526b8b7e2
        • MD5 SHA1 SHA512

        bootstrap.js

        • Path C:\Users\Admin\AppData\Local\Temp\00294823\[email protected]\bootstrap.js
        • Size 2KB
        • SHA256 a7dfea4bf7e1d46a8b8e64ccfb2cf35017e3a5b350eead26d6671254d2b3c46f
        • MD5 SHA1 SHA512

        chrome.manifest

        • Path C:\Users\Admin\AppData\Local\Temp\00294823\[email protected]\chrome.manifest
        • Size 104B
        • SHA256 5abacdf2407ced213fccae30624312f258e7a5cf2a189d7ae7d1e8bff4db9211
        • MD5 SHA1 SHA512

        bg.js

        • Path C:\Users\Admin\AppData\Local\Temp\00294823\[email protected]\content\bg.js
        • Size 9KB
        • SHA256 3a9ce0650ec3453b9b5f3e0d05005c07ce64b5dcd883dc1475ec44706d3a7e1e
        • MD5 SHA1 SHA512 SSDEEP

        install.rdf

        • Path C:\Users\Admin\AppData\Local\Temp\00294823\[email protected]\install.rdf
        • Size 616B
        • SHA256 44f8cae71280c23c3f8aa1aae382de157d78af318b8a613264a1b081010bdd18
        • MD5 SHA1 SHA512