Analysis

  • max time kernel
    147s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/03/2024, 01:18

General

  • Target
    e06cf24f80b65cf97da166d7ae4c47cb.exe
  • Size 250KB
  • Sample240327-bn5tsagg88
  • SHA256 8eac9320f32a080e79c11a5d989fbf9554e6547b081c9c6c780dc1f8fad2c847
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 3 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • UPX packed file 2 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • 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 3 IoCs

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

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • NSIS installer 4 IoCs
  • Modifies registry class 45 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e06cf24f80b65cf97da166d7ae4c47cb.exe
    "C:\Users\Admin\AppData\Local\Temp\e06cf24f80b65cf97da166d7ae4c47cb.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1760
    • C:\Users\Admin\AppData\Local\Temp\7zS71E4.tmp\50f92dda16bc6.exe
      .\50f92dda16bc6.exe /s
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops Chrome extension
      • Installs/modifies Browser Helper Object
      • Modifies registry class
      • System policy modification
      PID:708

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        uninstall.exe

        • Path C:\ProgramData\wxDownload\uninstall.exe
        • Size 48KB
        • SHA256 a76272ed3bbf23308782a308d428ee805ec77fbb622a830af26cb0ddbbf7377b
        • MD5 SHA1 SHA512 SSDEEP

        bootstrap.js

        • Path C:\Users\Admin\AppData\Local\Temp\7zS71E4.tmp\[email protected]\bootstrap.js
        • Size 2KB
        • SHA256 dc69bdc6e96f131639471415a0dfd70e4d6059fa597d765a5e70d523e15a038a
        • MD5 SHA1 SHA512

        chrome.manifest

        • Path C:\Users\Admin\AppData\Local\Temp\7zS71E4.tmp\[email protected]\chrome.manifest
        • Size 116B
        • SHA256 626c527a95912ec1868d6946ff3fcafe4b2488db1d867303bc165447a21a79b3
        • MD5 SHA1 SHA512

        bg.js

        • Path C:\Users\Admin\AppData\Local\Temp\7zS71E4.tmp\[email protected]\content\bg.js
        • Size 8KB
        • SHA256 fb709e5819f7da3b7ba74fd32a09ef58fd77e219a7f9abeafe0009811fb71dd2
        • MD5 SHA1 SHA512 SSDEEP

        zy.xul

        • Path C:\Users\Admin\AppData\Local\Temp\7zS71E4.tmp\[email protected]\content\zy.xul
        • Size 225B
        • SHA256 69d68c97c0016838e91b2eef183c715a9404e75bdda7c0031c03f2e0d72e61d0
        • MD5 SHA1 SHA512

        install.rdf

        • Path C:\Users\Admin\AppData\Local\Temp\7zS71E4.tmp\[email protected]\install.rdf
        • Size 717B
        • SHA256 4a7387303970302cd402061917729f4836a8cfb221682f57b211e9953ed19698
        • MD5 SHA1 SHA512

        50f92dda16bc6.exe

        • Path C:\Users\Admin\AppData\Local\Temp\7zS71E4.tmp\50f92dda16bc6.exe
        • Size 71KB
        • SHA256 d205693516dbaf34cfbd216e825190de4de1412e861bc9cb30ce863907b30d22
        • MD5 SHA1 SHA512 SSDEEP

        50f92dda16bff.dll

        • Path C:\Users\Admin\AppData\Local\Temp\7zS71E4.tmp\50f92dda16bff.dll
        • Size 116KB
        • SHA256 0648d564b30e13a0819f28e00a9af39a6686a4d29ccd265c7d81548e4fe0f67e
        • MD5 SHA1 SHA512 SSDEEP

        50f92dda16bff.tlb

        • Path C:\Users\Admin\AppData\Local\Temp\7zS71E4.tmp\50f92dda16bff.tlb
        • Size 2KB
        • SHA256 bd3d85c0136a66b2af79d4d91c1c5700c8931937b7e554d5ece946760ef4a99c
        • MD5 SHA1 SHA512

        50f92dda169d66.76430754.js

        • Path C:\Users\Admin\AppData\Local\Temp\7zS71E4.tmp\nfllpccboghpfakmmbccklipbbjmkifn\50f92dda169d66.76430754.js
        • Size 4KB
        • SHA256 779f8a396639eac361e11ba2e7882c644cb177ea07ee924c5ff4f004e648eb9d
        • MD5 SHA1 SHA512 SSDEEP

        background.html

        • Path C:\Users\Admin\AppData\Local\Temp\7zS71E4.tmp\nfllpccboghpfakmmbccklipbbjmkifn\background.html
        • Size 161B
        • SHA256 7b20cfd97ff4cf0bac476bd940643266c32613f46a6ea40425a78e97392a5d80
        • MD5 SHA1 SHA512

        content.js

        • Path C:\Users\Admin\AppData\Local\Temp\7zS71E4.tmp\nfllpccboghpfakmmbccklipbbjmkifn\content.js
        • Size 197B
        • SHA256 fb01e87250ac9985ed08d97f2f99937a52998ea9faebdc88e4071d6517e1ea6b
        • MD5 SHA1 SHA512

        lsdb.js

        • Path C:\Users\Admin\AppData\Local\Temp\7zS71E4.tmp\nfllpccboghpfakmmbccklipbbjmkifn\lsdb.js
        • Size 559B
        • SHA256 e3cf0049af8b9f6cb4f0223ccb8438f4b0c75863684c944450015868a0c45704
        • MD5 SHA1 SHA512

        manifest.json

        • Path C:\Users\Admin\AppData\Local\Temp\7zS71E4.tmp\nfllpccboghpfakmmbccklipbbjmkifn\manifest.json
        • Size 477B
        • SHA256 4c4b5ed58b428b592b4d5dc264cc0064a55754ef21a8c0173dcbe91d832efef1
        • MD5 SHA1 SHA512

        sqlite.js

        • Path C:\Users\Admin\AppData\Local\Temp\7zS71E4.tmp\nfllpccboghpfakmmbccklipbbjmkifn\sqlite.js
        • Size 1KB
        • SHA256 d5c4b6c3fd2d36ac5e88f2f850429cca84cd71120ead46bb7ec08570ee5ef73a
        • MD5 SHA1 SHA512

        settings.ini

        • Path C:\Users\Admin\AppData\Local\Temp\7zS71E4.tmp\settings.ini
        • Size 6KB
        • SHA256 a631322ff4e2dbd8655d15b413cf3cd65374df0e2a58126b7884828c0f444874
        • MD5 SHA1 SHA512 SSDEEP

        UserInfo.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsc73C9.tmp\UserInfo.dll
        • Size 4KB
        • SHA256 564c80dec62d76c53497c40094db360ff8a36e0dc1bda8383d0f9583138997f5
        • MD5 SHA1 SHA512

        nsJSON.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsc73C9.tmp\nsJSON.dll
        • Size 7KB
        • SHA256 49b173504eb9cd07e42a3c4deb84c2cd3f3b49c7fb0858aee43ddfc64660e384
        • MD5 SHA1 SHA512 SSDEEP

        memory/708-78-0x0000000074060000-0x000000007406A000-memory.dmp