Analysis

  • max time kernel
    93s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17/06/2024, 03:38

General

  • Target
    e9146bc4cc2d85c95cf41482b9ef92a06e8b7c44fa6dc32093363da41c159417.exe
  • Size 255KB
  • Sample240617-d7ah4asdrc
  • SHA256 e9146bc4cc2d85c95cf41482b9ef92a06e8b7c44fa6dc32093363da41c159417
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • UPX dump on OEP (original entry point) 2 IoCs
  • 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\e9146bc4cc2d85c95cf41482b9ef92a06e8b7c44fa6dc32093363da41c159417.exe
    "C:\Users\Admin\AppData\Local\Temp\e9146bc4cc2d85c95cf41482b9ef92a06e8b7c44fa6dc32093363da41c159417.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2744
    • C:\Users\Admin\AppData\Local\Temp\7zS5CD5.tmp\516ff3f86a709.exe
      .\516ff3f86a709.exe /s
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops Chrome extension
      • Installs/modifies Browser Helper Object
      • Modifies registry class
      • System policy modification
      PID:1228

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        uninstall.exe

        • Path C:\ProgramData\BroaWSe2save\uninstall.exe
        • Size 48KB
        • SHA256 a76272ed3bbf23308782a308d428ee805ec77fbb622a830af26cb0ddbbf7377b
        • MD5 SHA1 SHA512 SSDEEP

        516ff3f86a709.exe

        • Path C:\Users\Admin\AppData\Local\Temp\7zS5CD5.tmp\516ff3f86a709.exe
        • Size 71KB
        • SHA256 d205693516dbaf34cfbd216e825190de4de1412e861bc9cb30ce863907b30d22
        • MD5 SHA1 SHA512 SSDEEP

        516ff3f86a741.dll

        • Path C:\Users\Admin\AppData\Local\Temp\7zS5CD5.tmp\516ff3f86a741.dll
        • Size 115KB
        • SHA256 d4bb7937b36973cbf3b12c9500c25ed34103944a69bad9162f3b98f39474529c
        • MD5 SHA1 SHA512 SSDEEP

        516ff3f86a741.tlb

        • Path C:\Users\Admin\AppData\Local\Temp\7zS5CD5.tmp\516ff3f86a741.tlb
        • Size 18KB
        • SHA256 ac3a1daa32b1c489f9c2f4413ab35c4fc90b54a52ede0fb53276666e6eeef16f
        • MD5 SHA1 SHA512 SSDEEP

        bootstrap.js

        • Path C:\Users\Admin\AppData\Local\Temp\7zS5CD5.tmp\[email protected]\bootstrap.js
        • Size 2KB
        • SHA256 a091632360810351767175d4e85f94d6d5c7ff1c5b252ceec6e72664456875ad
        • MD5 SHA1 SHA512

        chrome.manifest

        • Path C:\Users\Admin\AppData\Local\Temp\7zS5CD5.tmp\[email protected]\chrome.manifest
        • Size 116B
        • SHA256 4c26ed74f514824e6369ec3dc9a9f400ad9033b83cca628146b4e3cac0aa521d
        • MD5 SHA1 SHA512

        bg.js

        • Path C:\Users\Admin\AppData\Local\Temp\7zS5CD5.tmp\[email protected]\content\bg.js
        • Size 8KB
        • SHA256 5984d4cb5d61c00b6cd108057ed245bb83e72e6d0d3f65a09d1d2c610c28bc35
        • MD5 SHA1 SHA512 SSDEEP

        install.rdf

        • Path C:\Users\Admin\AppData\Local\Temp\7zS5CD5.tmp\[email protected]\install.rdf
        • Size 608B
        • SHA256 92b2417441c50975bdff8924988175cbd38f0bb5b81c591c91e1a76bc22df18e
        • MD5 SHA1 SHA512

        516ff3f86a4fb0.29671750.js

        • Path C:\Users\Admin\AppData\Local\Temp\7zS5CD5.tmp\jebgaieoidhhlincboheamaaijjdhjdh\516ff3f86a4fb0.29671750.js
        • Size 4KB
        • SHA256 1daab342a6286e1da32e1fd6b433c94b6dec608de9495d933dda50cbb861f624
        • MD5 SHA1 SHA512 SSDEEP

        background.html

        • Path C:\Users\Admin\AppData\Local\Temp\7zS5CD5.tmp\jebgaieoidhhlincboheamaaijjdhjdh\background.html
        • Size 161B
        • SHA256 8e155da8090f4c1033fd48e470ed9c420e81e13871c7a2c2b8565383bc0bf6cc
        • MD5 SHA1 SHA512

        content.js

        • Path C:\Users\Admin\AppData\Local\Temp\7zS5CD5.tmp\jebgaieoidhhlincboheamaaijjdhjdh\content.js
        • Size 197B
        • SHA256 fb01e87250ac9985ed08d97f2f99937a52998ea9faebdc88e4071d6517e1ea6b
        • MD5 SHA1 SHA512

        lsdb.js

        • Path C:\Users\Admin\AppData\Local\Temp\7zS5CD5.tmp\jebgaieoidhhlincboheamaaijjdhjdh\lsdb.js
        • Size 559B
        • SHA256 e3cf0049af8b9f6cb4f0223ccb8438f4b0c75863684c944450015868a0c45704
        • MD5 SHA1 SHA512

        manifest.json

        • Path C:\Users\Admin\AppData\Local\Temp\7zS5CD5.tmp\jebgaieoidhhlincboheamaaijjdhjdh\manifest.json
        • Size 504B
        • SHA256 fa228253a01b62ba09cd2d00d68469044dfb73edde1a6e7dc2b47f69645b8e0e
        • MD5 SHA1 SHA512

        sqlite.js

        • Path C:\Users\Admin\AppData\Local\Temp\7zS5CD5.tmp\jebgaieoidhhlincboheamaaijjdhjdh\sqlite.js
        • Size 1KB
        • SHA256 add6f47d25dd0436f9bd866561e096eb75549af2ecdd72145d13be2cd766c382
        • MD5 SHA1 SHA512

        settings.ini

        • Path C:\Users\Admin\AppData\Local\Temp\7zS5CD5.tmp\settings.ini
        • Size 7KB
        • SHA256 9d4c0f3c876ad51bd1e1a56b1a2c3d6bc369bc22dbf76910832b89c038f1aeae
        • MD5 SHA1 SHA512 SSDEEP

        UserInfo.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsy5D53.tmp\UserInfo.dll
        • Size 4KB
        • SHA256 564c80dec62d76c53497c40094db360ff8a36e0dc1bda8383d0f9583138997f5
        • MD5 SHA1 SHA512

        nsJSON.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsy5D53.tmp\nsJSON.dll
        • Size 7KB
        • SHA256 49b173504eb9cd07e42a3c4deb84c2cd3f3b49c7fb0858aee43ddfc64660e384
        • MD5 SHA1 SHA512 SSDEEP

        memory/1228-73-0x0000000074850000-0x000000007485A000-memory.dmp