Analysis

  • max time kernel
    104s
  • max time network
    106s
  • 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, 03:33

General

  • Target
    946889089aaf2d61e0daca8a59984cfb4d9260f7b9941f259d4a277dc96a7c57N.exe
  • Size 725KB
  • Sample241022-d4ecwavbnf
  • SHA256 946889089aaf2d61e0daca8a59984cfb4d9260f7b9941f259d4a277dc96a7c57
  • 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 63 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\946889089aaf2d61e0daca8a59984cfb4d9260f7b9941f259d4a277dc96a7c57N.exe
    "C:\Users\Admin\AppData\Local\Temp\946889089aaf2d61e0daca8a59984cfb4d9260f7b9941f259d4a277dc96a7c57N.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1352
    • C:\Users\Admin\AppData\Local\Temp\7zSA7F8.tmp\67zqTbejv.exe
      .\67zqTbejv.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:3880

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        11386138385164254211.log

        • Path C:\Users\Admin\AppData\Local\Temp\7zSA7F8.tmp\11386138385164254211.log
        • Size 6KB
        • SHA256 8eefbb5e817ac3b7e2b81c1a33d092ab90075e4829f9f70a48f7d859c4caf9e7
        • MD5 SHA1 SHA512 SSDEEP

        67zqTbejv.dat

        • Path C:\Users\Admin\AppData\Local\Temp\7zSA7F8.tmp\67zqTbejv.dat
        • Size 8KB
        • SHA256 d064930f60f376f4ba910fdbcbfd0363136dd258ddc06a405c2cdadced6f5ea7
        • MD5 SHA1 SHA512 SSDEEP

        67zqTbejv.exe

        • Path C:\Users\Admin\AppData\Local\Temp\7zSA7F8.tmp\67zqTbejv.exe
        • Size 334KB
        • SHA256 f54a6814ac06c70ef5b738eca4855e49039783d96b70ba1ae461bd90877e53b5
        • MD5 SHA1 SHA512 SSDEEP

        fWKuCQEp.dll

        • Path C:\Users\Admin\AppData\Local\Temp\7zSA7F8.tmp\fWKuCQEp.dll
        • Size 222KB
        • SHA256 a9880b90d24af3786886306aefe5c79ff3cb2fb7b36ee5fb7bf2af85f240d63c
        • MD5 SHA1 SHA512 SSDEEP

        fWKuCQEp.tlb

        • Path C:\Users\Admin\AppData\Local\Temp\7zSA7F8.tmp\fWKuCQEp.tlb
        • Size 2KB
        • SHA256 c2156787eeb818e587529572599fa124773c71330fb93e1c79f4cb9141090941
        • MD5 SHA1 SHA512

        6M12wursr.js

        • Path C:\Users\Admin\AppData\Local\Temp\7zSA7F8.tmp\jhkhbjfbbmaeofdhealdlnjhbenbfone\6M12wursr.js
        • Size 5KB
        • SHA256 53aa52b6b4c03d41e1b305a6996185b02e068a4557df233cf66100e3b5da717d
        • MD5 SHA1 SHA512 SSDEEP

        background.html

        • Path C:\Users\Admin\AppData\Local\Temp\7zSA7F8.tmp\jhkhbjfbbmaeofdhealdlnjhbenbfone\background.html
        • Size 146B
        • SHA256 ef02749273a54444f28206a8885950169d66c88b4085d205630f35edb31e3105
        • MD5 SHA1 SHA512

        content.js

        • Path C:\Users\Admin\AppData\Local\Temp\7zSA7F8.tmp\jhkhbjfbbmaeofdhealdlnjhbenbfone\content.js
        • Size 197B
        • SHA256 fb01e87250ac9985ed08d97f2f99937a52998ea9faebdc88e4071d6517e1ea6b
        • MD5 SHA1 SHA512

        lsdb.js

        • Path C:\Users\Admin\AppData\Local\Temp\7zSA7F8.tmp\jhkhbjfbbmaeofdhealdlnjhbenbfone\lsdb.js
        • Size 559B
        • SHA256 e3cf0049af8b9f6cb4f0223ccb8438f4b0c75863684c944450015868a0c45704
        • MD5 SHA1 SHA512

        manifest.json

        • Path C:\Users\Admin\AppData\Local\Temp\7zSA7F8.tmp\jhkhbjfbbmaeofdhealdlnjhbenbfone\manifest.json
        • Size 506B
        • SHA256 a81e15c572bf38eb253ac9db2f05a63cdb3b89eb790e901b1e2e8b965b2e6e7b
        • MD5 SHA1 SHA512

        sqlite.js

        • Path C:\Users\Admin\AppData\Local\Temp\7zSA7F8.tmp\jhkhbjfbbmaeofdhealdlnjhbenbfone\sqlite.js
        • Size 1KB
        • SHA256 563946ff99c1d8aa0d9e7f7cc6b86a9f4e71c4229f1acd9d1cca80dcb2851dd8
        • MD5 SHA1 SHA512

        bootstrap.js

        • Path C:\Users\Admin\AppData\Local\Temp\7zSA7F8.tmp\[email protected]\bootstrap.js
        • Size 2KB
        • SHA256 a7dfea4bf7e1d46a8b8e64ccfb2cf35017e3a5b350eead26d6671254d2b3c46f
        • MD5 SHA1 SHA512

        chrome.manifest

        • Path C:\Users\Admin\AppData\Local\Temp\7zSA7F8.tmp\[email protected]\chrome.manifest
        • Size 110B
        • SHA256 466c55de389668e32a246f58f9be5a0c9dbc4251fb5d37aabaee96e0d3bafd22
        • MD5 SHA1 SHA512

        bg.js

        • Path C:\Users\Admin\AppData\Local\Temp\7zSA7F8.tmp\[email protected]\content\bg.js
        • Size 9KB
        • SHA256 7ba0c3322778db81dc950baf1ab642b2f8f2ecc47db2a6a2bb2edefffb950f1c
        • MD5 SHA1 SHA512 SSDEEP

        install.rdf

        • Path C:\Users\Admin\AppData\Local\Temp\7zSA7F8.tmp\[email protected]\install.rdf
        • Size 610B
        • SHA256 16def52ad863d09234d4c8a011bd190d713acf801dd620115aa1ee65dbe54840
        • MD5 SHA1 SHA512