Analysis

  • max time kernel
    145s
  • 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
    27/03/2024, 01:07

General

  • Target
    e067eb8f91621ae46615f2a2b7d3826f.exe
  • Size 255KB
  • Sample240327-bgrzcabe8t
  • SHA256 3ceb8ee8c90e27c9b79d6de2b7987cdf582538843fe37b8c85569665617d4f42
  • 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\e067eb8f91621ae46615f2a2b7d3826f.exe
    "C:\Users\Admin\AppData\Local\Temp\e067eb8f91621ae46615f2a2b7d3826f.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3984
    • C:\Users\Admin\AppData\Local\Temp\7zS4CA9.tmp\51585f5272e76.exe
      .\51585f5272e76.exe /s
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops Chrome extension
      • Installs/modifies Browser Helper Object
      • Modifies registry class
      • System policy modification
      PID:2204

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        uninstall.exe

        • Path C:\ProgramData\Broowsee2sAAvye\uninstall.exe
        • Size 48KB
        • SHA256 a76272ed3bbf23308782a308d428ee805ec77fbb622a830af26cb0ddbbf7377b
        • MD5 SHA1 SHA512 SSDEEP

        51585f5272e76.exe

        • Path C:\Users\Admin\AppData\Local\Temp\7zS4CA9.tmp\51585f5272e76.exe
        • Size 71KB
        • SHA256 d205693516dbaf34cfbd216e825190de4de1412e861bc9cb30ce863907b30d22
        • MD5 SHA1 SHA512 SSDEEP

        51585f5272eaf.dll

        • Path C:\Users\Admin\AppData\Local\Temp\7zS4CA9.tmp\51585f5272eaf.dll
        • Size 115KB
        • SHA256 d4bb7937b36973cbf3b12c9500c25ed34103944a69bad9162f3b98f39474529c
        • MD5 SHA1 SHA512 SSDEEP

        51585f5272eaf.tlb

        • Path C:\Users\Admin\AppData\Local\Temp\7zS4CA9.tmp\51585f5272eaf.tlb
        • Size 18KB
        • SHA256 ac3a1daa32b1c489f9c2f4413ab35c4fc90b54a52ede0fb53276666e6eeef16f
        • MD5 SHA1 SHA512 SSDEEP

        51585f5272c7d7.78160668.js

        • Path C:\Users\Admin\AppData\Local\Temp\7zS4CA9.tmp\peddkjpaljaphnmalbfiddodfhkfiabn\51585f5272c7d7.78160668.js
        • Size 4KB
        • SHA256 9b7afa6fdca647b90cee0d9939845047ce0878191f6e06432f0bb937f7410abf
        • MD5 SHA1 SHA512 SSDEEP

        background.html

        • Path C:\Users\Admin\AppData\Local\Temp\7zS4CA9.tmp\peddkjpaljaphnmalbfiddodfhkfiabn\background.html
        • Size 161B
        • SHA256 360a51081e6c8675e1713f9999e7797276e4e7be5c755284d7db95231052f3a7
        • MD5 SHA1 SHA512

        content.js

        • Path C:\Users\Admin\AppData\Local\Temp\7zS4CA9.tmp\peddkjpaljaphnmalbfiddodfhkfiabn\content.js
        • Size 197B
        • SHA256 fb01e87250ac9985ed08d97f2f99937a52998ea9faebdc88e4071d6517e1ea6b
        • MD5 SHA1 SHA512

        lsdb.js

        • Path C:\Users\Admin\AppData\Local\Temp\7zS4CA9.tmp\peddkjpaljaphnmalbfiddodfhkfiabn\lsdb.js
        • Size 559B
        • SHA256 e3cf0049af8b9f6cb4f0223ccb8438f4b0c75863684c944450015868a0c45704
        • MD5 SHA1 SHA512

        manifest.json

        • Path C:\Users\Admin\AppData\Local\Temp\7zS4CA9.tmp\peddkjpaljaphnmalbfiddodfhkfiabn\manifest.json
        • Size 507B
        • SHA256 dc43a5b929d3bec52c6581234bd3b229c0a050c7a2a8db07bf9e15f9b0ece810
        • MD5 SHA1 SHA512

        sqlite.js

        • Path C:\Users\Admin\AppData\Local\Temp\7zS4CA9.tmp\peddkjpaljaphnmalbfiddodfhkfiabn\sqlite.js
        • Size 1KB
        • SHA256 54e9bc8463d2f7b15394e9e73dac3fc8c91191268ffae9c8fadb894d4bfe5d36
        • MD5 SHA1 SHA512

        settings.ini

        • Path C:\Users\Admin\AppData\Local\Temp\7zS4CA9.tmp\settings.ini
        • Size 6KB
        • SHA256 f78383ebbf02049cc48a2c2f9d76bc4249995b2c4b449d34ba57873427b8f2a2
        • MD5 SHA1 SHA512 SSDEEP

        bootstrap.js

        • Path C:\Users\Admin\AppData\Local\Temp\7zS4CA9.tmp\[email protected]\bootstrap.js
        • Size 2KB
        • SHA256 4ac6073f6e4b58086cdf5ed36134cb5bfef8e1e0a9f5ef0d52095db3e92096b0
        • MD5 SHA1 SHA512

        chrome.manifest

        • Path C:\Users\Admin\AppData\Local\Temp\7zS4CA9.tmp\[email protected]\chrome.manifest
        • Size 116B
        • SHA256 84d90bd1083da182e734f6ee08d54d7237d4840196e1bfddb017d178e801d1b1
        • MD5 SHA1 SHA512

        bg.js

        • Path C:\Users\Admin\AppData\Local\Temp\7zS4CA9.tmp\[email protected]\content\bg.js
        • Size 8KB
        • SHA256 b04b30eb0c8ea03c7e8922eb4188103fa19bbc4d0f36a5dd5fb8f8c214c27d64
        • MD5 SHA1 SHA512 SSDEEP

        zy.xul

        • Path C:\Users\Admin\AppData\Local\Temp\7zS4CA9.tmp\[email protected]\content\zy.xul
        • Size 225B
        • SHA256 11c6d897a37e9e561bbc3283ccf7497ce62fbabbef6956b497d3d0da54b476e2
        • MD5 SHA1 SHA512

        install.rdf

        • Path C:\Users\Admin\AppData\Local\Temp\7zS4CA9.tmp\[email protected]\install.rdf
        • Size 609B
        • SHA256 6a5331fde766237a9b2a6e60e474e6aaafbbd27f0238ecb1153425eb24b596db
        • MD5 SHA1 SHA512

        UserInfo.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsi4DD3.tmp\UserInfo.dll
        • Size 4KB
        • SHA256 564c80dec62d76c53497c40094db360ff8a36e0dc1bda8383d0f9583138997f5
        • MD5 SHA1 SHA512

        nsJSON.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsi4DD3.tmp\nsJSON.dll
        • Size 7KB
        • SHA256 49b173504eb9cd07e42a3c4deb84c2cd3f3b49c7fb0858aee43ddfc64660e384
        • MD5 SHA1 SHA512 SSDEEP

        memory/2204-78-0x00000000745E0000-0x00000000745EA000-memory.dmp