Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/02/2024, 11:06

General

  • Target
    ae5d10ae75c5a47ec84d746fa019c869.exe
  • Size 250KB
  • Sample240229-m7ebqafa4z
  • SHA256 32aa45e9722fa571a9f421ddcaa7198dee8338b194b3f59c4ba8872eb98d9618
  • 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\ae5d10ae75c5a47ec84d746fa019c869.exe
    "C:\Users\Admin\AppData\Local\Temp\ae5d10ae75c5a47ec84d746fa019c869.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2052
    • C:\Users\Admin\AppData\Local\Temp\7zS4074.tmp\50fc142fd02d6.exe
      .\50fc142fd02d6.exe /s
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops Chrome extension
      • Installs/modifies Browser Helper Object
      • Modifies registry class
      • System policy modification
      PID:1956

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        uninstall.exe

        • Path C:\ProgramData\Browse2save\uninstall.exe
        • Size 48KB
        • SHA256 a76272ed3bbf23308782a308d428ee805ec77fbb622a830af26cb0ddbbf7377b
        • MD5 SHA1 SHA512 SSDEEP

        bootstrap.js

        • Path C:\Users\Admin\AppData\Local\Temp\7zS4074.tmp\[email protected]\bootstrap.js
        • Size 2KB
        • SHA256 aa6dafdeeafb107bf2c005134997f55a11b429b707b0639c6f6f2bb60046c28c
        • MD5 SHA1 SHA512

        chrome.manifest

        • Path C:\Users\Admin\AppData\Local\Temp\7zS4074.tmp\[email protected]\chrome.manifest
        • Size 116B
        • SHA256 d6e30fda51485142364671ea38627c9e99d2ea21fbfca8ac6eef97bd5e895726
        • MD5 SHA1 SHA512

        bg.js

        • Path C:\Users\Admin\AppData\Local\Temp\7zS4074.tmp\[email protected]\content\bg.js
        • Size 8KB
        • SHA256 dfe10e3b11980021ef502262291573e6dc2bb1f4f46bc81dbe9b5dff2a926284
        • MD5 SHA1 SHA512 SSDEEP

        zy.xul

        • Path C:\Users\Admin\AppData\Local\Temp\7zS4074.tmp\[email protected]\content\zy.xul
        • Size 225B
        • SHA256 e7fdf00581ebcb6c19f51623335bd5e549937a389c466f050fed109fc67a9e5f
        • MD5 SHA1 SHA512

        install.rdf

        • Path C:\Users\Admin\AppData\Local\Temp\7zS4074.tmp\[email protected]\install.rdf
        • Size 718B
        • SHA256 b2f10ca051e044f79223ad4519eb6a89b6e3846105fb79b0b96078e94f07bd62
        • MD5 SHA1 SHA512

        50fc142fd02d6.exe

        • Path C:\Users\Admin\AppData\Local\Temp\7zS4074.tmp\50fc142fd02d6.exe
        • Size 71KB
        • SHA256 d205693516dbaf34cfbd216e825190de4de1412e861bc9cb30ce863907b30d22
        • MD5 SHA1 SHA512 SSDEEP

        50fc142fd030e.dll

        • Path C:\Users\Admin\AppData\Local\Temp\7zS4074.tmp\50fc142fd030e.dll
        • Size 118KB
        • SHA256 67014a6fc8a77ae480dae9b09f800a1f40a40399ef967f86843a80eb4c9eb470
        • MD5 SHA1 SHA512 SSDEEP

        50fc142fd030e.tlb

        • Path C:\Users\Admin\AppData\Local\Temp\7zS4074.tmp\50fc142fd030e.tlb
        • Size 2KB
        • SHA256 0a94d2086eb6ac57ba5ee365d3f6f64f33e7c8d18419f04715460bc04ebddf2d
        • MD5 SHA1 SHA512

        50fc142fd00cb1.59657145.js

        • Path C:\Users\Admin\AppData\Local\Temp\7zS4074.tmp\clpnifcomndmmjiebeffedjkknejfpoa\50fc142fd00cb1.59657145.js
        • Size 4KB
        • SHA256 f96b18b04162fa7d958004a2964c0502430d196a82e15cc60c0a0f94e78d21ca
        • MD5 SHA1 SHA512 SSDEEP

        background.html

        • Path C:\Users\Admin\AppData\Local\Temp\7zS4074.tmp\clpnifcomndmmjiebeffedjkknejfpoa\background.html
        • Size 161B
        • SHA256 8be48a77883c5b9a569cc8b616bf5798249ce8b2f32cd5f774d2fd8192770a82
        • MD5 SHA1 SHA512

        content.js

        • Path C:\Users\Admin\AppData\Local\Temp\7zS4074.tmp\clpnifcomndmmjiebeffedjkknejfpoa\content.js
        • Size 197B
        • SHA256 fb01e87250ac9985ed08d97f2f99937a52998ea9faebdc88e4071d6517e1ea6b
        • MD5 SHA1 SHA512

        lsdb.js

        • Path C:\Users\Admin\AppData\Local\Temp\7zS4074.tmp\clpnifcomndmmjiebeffedjkknejfpoa\lsdb.js
        • Size 559B
        • SHA256 e3cf0049af8b9f6cb4f0223ccb8438f4b0c75863684c944450015868a0c45704
        • MD5 SHA1 SHA512

        manifest.json

        • Path C:\Users\Admin\AppData\Local\Temp\7zS4074.tmp\clpnifcomndmmjiebeffedjkknejfpoa\manifest.json
        • Size 484B
        • SHA256 339ceae5266f46f6efd49b33162f9ff9644e5d0d2d4dfef74c2da0bf19bf1935
        • MD5 SHA1 SHA512

        sqlite.js

        • Path C:\Users\Admin\AppData\Local\Temp\7zS4074.tmp\clpnifcomndmmjiebeffedjkknejfpoa\sqlite.js
        • Size 1KB
        • SHA256 7af54feef51f1cd634a78d7e231ba25db7a5f01314b71411d998ad2bd2799aa0
        • MD5 SHA1 SHA512

        settings.ini

        • Path C:\Users\Admin\AppData\Local\Temp\7zS4074.tmp\settings.ini
        • Size 7KB
        • SHA256 39b96568447cf5d254062d99aff2e6de2fca39fd75a127764f0040cb039bdd4b
        • MD5 SHA1 SHA512 SSDEEP

        UserInfo.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsd4150.tmp\UserInfo.dll
        • Size 4KB
        • SHA256 564c80dec62d76c53497c40094db360ff8a36e0dc1bda8383d0f9583138997f5
        • MD5 SHA1 SHA512

        nsJSON.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsd4150.tmp\nsJSON.dll
        • Size 7KB
        • SHA256 49b173504eb9cd07e42a3c4deb84c2cd3f3b49c7fb0858aee43ddfc64660e384
        • MD5 SHA1 SHA512 SSDEEP

        memory/1956-78-0x0000000074280000-0x000000007428A000-memory.dmp