Analysis

  • max time kernel
    148s
  • max time network
    151s
  • 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, 04:58

General

  • Target
    69026f56e73594aef252701f5cd33a66_JaffaCakes118.exe
  • Size 1.0MB
  • Sample241022-fl5s8a1bkn
  • SHA256 1ed73c83f1d8fb1731e4b011a5bcf31e2b41086df4e703e52860aa14a5014638
  • 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\69026f56e73594aef252701f5cd33a66_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\69026f56e73594aef252701f5cd33a66_JaffaCakes118.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1520
    • C:\Users\Admin\AppData\Local\Temp\00294823\2nPYC.exe
      "C:\Users\Admin\AppData\Local\Temp/00294823/2nPYC.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:5116

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        2nPYC.dat

        • Path C:\Users\Admin\AppData\Local\Temp\00294823\2nPYC.dat
        • Size 3KB
        • SHA256 9b770fe3e33865fd3eede69f86c3a81e745e664c6b5e302b3c3a722a7975da0e
        • MD5 SHA1 SHA512

        2nPYC.exe

        • Path C:\Users\Admin\AppData\Local\Temp\00294823\2nPYC.exe
        • Size 334KB
        • SHA256 f54a6814ac06c70ef5b738eca4855e49039783d96b70ba1ae461bd90877e53b5
        • MD5 SHA1 SHA512 SSDEEP

        KLOo.dll

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

        KLOo.tlb

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

        KLOo.x64.dll

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

        background.html

        • Path C:\Users\Admin\AppData\Local\Temp\00294823\jfnebbdpgaglmjanaglocbjigdjcfjie\background.html
        • Size 142B
        • SHA256 12c50e757f3405245c97b0512ca6f1d1d3523f54564120eb68c913064a6a22bb
        • MD5 SHA1 SHA512

        content.js

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

        gYkFk.js

        • Path C:\Users\Admin\AppData\Local\Temp\00294823\jfnebbdpgaglmjanaglocbjigdjcfjie\gYkFk.js
        • Size 5KB
        • SHA256 68a70aa79bf8b7f7ce4908d435b15e62287793fa7a908f54cb93d18cf182b50e
        • MD5 SHA1 SHA512 SSDEEP

        lsdb.js

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

        manifest.json

        • Path C:\Users\Admin\AppData\Local\Temp\00294823\jfnebbdpgaglmjanaglocbjigdjcfjie\manifest.json
        • Size 510B
        • SHA256 f1175357ed70bcfab387fd1e9a377eb6bb77d192ec5a098cb8c08e476d7aa041
        • MD5 SHA1 SHA512

        sqlite.js

        • Path C:\Users\Admin\AppData\Local\Temp\00294823\jfnebbdpgaglmjanaglocbjigdjcfjie\sqlite.js
        • Size 1KB
        • SHA256 6343866fd38041924105048df66976d5ebcad0ce5acdd8d2fa73b5dba0b2f041
        • 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 102B
        • SHA256 9733d75cb053fdbb5ae3b6947070f8244558dda031ee842a528690ff1c147e4b
        • MD5 SHA1 SHA512

        bg.js

        • Path C:\Users\Admin\AppData\Local\Temp\00294823\[email protected]\content\bg.js
        • Size 9KB
        • SHA256 f690517ae14b5af1671fe3fd97172d16362425e54431c97bb5f804bd7e94b95b
        • MD5 SHA1 SHA512 SSDEEP

        install.rdf

        • Path C:\Users\Admin\AppData\Local\Temp\00294823\[email protected]\install.rdf
        • Size 608B
        • SHA256 bbb8c3a7cde62a8f0cb61224f2778b88356f53808683c1952d571e22f77dce3f
        • MD5 SHA1 SHA512