Analysis

  • max time kernel
    148s
  • max time network
    150s
  • 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, 05:00

General

  • Target
    6903f4070636ada951a6cf6c526f6b29_JaffaCakes118.exe
  • Size 1.0MB
  • Sample241022-fnb9payena
  • SHA256 62646bf73c932b0b6f48ffd45cd2ab5366270821b3d5af3a31e10d1324c9f8a8
  • 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\6903f4070636ada951a6cf6c526f6b29_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\6903f4070636ada951a6cf6c526f6b29_JaffaCakes118.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4132
    • C:\Users\Admin\AppData\Local\Temp\00294823\rtrxaqQ.exe
      "C:\Users\Admin\AppData\Local\Temp/00294823/rtrxaqQ.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:3156

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        O0tSXw.dll

        • Path C:\Users\Admin\AppData\Local\Temp\00294823\O0tSXw.dll
        • Size 258KB
        • SHA256 9900e517bfd4b39bd7af4bb360af52f6c95ef9b3e7ef36d2633485c58bef9a1a
        • MD5 SHA1 SHA512 SSDEEP

        O0tSXw.tlb

        • Path C:\Users\Admin\AppData\Local\Temp\00294823\O0tSXw.tlb
        • Size 2KB
        • SHA256 66fab808188a98ba49d99b723a181aa6626197d50bd2d5e15e076dcbc6fbb2cc
        • MD5 SHA1 SHA512

        O0tSXw.x64.dll

        • Path C:\Users\Admin\AppData\Local\Temp\00294823\O0tSXw.x64.dll
        • Size 319KB
        • SHA256 870c280ea861313edda0bd3950dc738ea68d006f315888d66023b54e5f98f0ea
        • MD5 SHA1 SHA512 SSDEEP

        ZJlIID2.js

        • Path C:\Users\Admin\AppData\Local\Temp\00294823\gleikgpnijckdpckcghjgcogabbdclfj\ZJlIID2.js
        • Size 5KB
        • SHA256 d2f3d366bc2c3314fb86c92601ed8cb21c6ced011b7850564e9cab61fae6864a
        • MD5 SHA1 SHA512 SSDEEP

        background.html

        • Path C:\Users\Admin\AppData\Local\Temp\00294823\gleikgpnijckdpckcghjgcogabbdclfj\background.html
        • Size 144B
        • SHA256 803d9d05700700bdd5857a1bf851d976db6ce19593c83e417bb431bbb9874882
        • MD5 SHA1 SHA512

        content.js

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

        lsdb.js

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

        manifest.json

        • Path C:\Users\Admin\AppData\Local\Temp\00294823\gleikgpnijckdpckcghjgcogabbdclfj\manifest.json
        • Size 512B
        • SHA256 08cb604ce0aa8d692cc85edeed40f5af8d6861ad74972bc47eb5746f2bd9ad9d
        • MD5 SHA1 SHA512

        sqlite.js

        • Path C:\Users\Admin\AppData\Local\Temp\00294823\gleikgpnijckdpckcghjgcogabbdclfj\sqlite.js
        • Size 1KB
        • SHA256 b4b2c186190c486f322b44d6f61c8cddba503574ec68004bad7bc077d9de3656
        • MD5 SHA1 SHA512

        rtrxaqQ.dat

        • Path C:\Users\Admin\AppData\Local\Temp\00294823\rtrxaqQ.dat
        • Size 3KB
        • SHA256 e8e65f4c0c8112f9c71c48ea38b9b269ff3def9bd1a0abe1c511e304511407c8
        • MD5 SHA1 SHA512

        rtrxaqQ.exe

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

        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 106B
        • SHA256 4fe014d5b4f49c96c1a2f4c60c55a2fe10d8d11ec33ae10e789e6fed89b16c07
        • MD5 SHA1 SHA512

        bg.js

        • Path C:\Users\Admin\AppData\Local\Temp\00294823\[email protected]\content\bg.js
        • Size 9KB
        • SHA256 b570d0cddaf275e2702cc9382bb0bc4d036af42332617d4448d0e3acd3e75398
        • MD5 SHA1 SHA512 SSDEEP

        install.rdf

        • Path C:\Users\Admin\AppData\Local\Temp\00294823\[email protected]\install.rdf
        • Size 612B
        • SHA256 d232e113994d59eef2275c0219a102d733521309b75aa3b34a139a86988682ff
        • MD5 SHA1 SHA512