Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    25/01/2024, 00:26

General

  • Target
    7341e923d37930deb38419980bc4d3b2.exe
  • Size 779KB
  • Sample240125-arnh8scdgp
  • SHA256 244c693922da65a044f6226a3f05ba26d8055eb210b3f43e64925dc80f3d6a17
  • MD5 SHA1 SHA512 SSDEEP
Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 8 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Modifies system certificate store 2 TTPs 4 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7341e923d37930deb38419980bc4d3b2.exe
    "C:\Users\Admin\AppData\Local\Temp\7341e923d37930deb38419980bc4d3b2.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2652
    • C:\Users\Admin\AppData\Local\Temp\DM_TgI1mgBXCT\DownloadManager.exe
      DownloadManager.exe "C:\Users\Admin\AppData\Local\Temp\7341e923d37930deb38419980bc4d3b2.exe"
      2⤵
      • Executes dropped EXE
      • Modifies Internet Explorer settings
      • Modifies system certificate store
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      PID:2704

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        94308059B57B3142E455B38A6EB92015

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015
        • Size 65KB
        • SHA256 c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d
        • MD5 SHA1 SHA512 SSDEEP

        ApplicationDebug.log

        • Path C:\Users\Admin\AppData\Local\Temp\DM_TgI1mgBXCT\ApplicationDebug.log
        • Size 94B
        • SHA256 0bcbce9d68a8d479a55a93f56990467bb7ac94bc63bce65ec740d8ea4a1d2ec2
        • MD5 SHA1 SHA512

        System.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsy85B.tmp\System.dll
        • Size 11KB
        • SHA256 dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f
        • MD5 SHA1 SHA512 SSDEEP

        DownloadManager.exe

        • Path \Users\Admin\AppData\Local\Temp\DM_TgI1mgBXCT\DownloadManager.exe
        • Size 1.3MB
        • SHA256 33ab2810cab812621f8e8bf1d30e49a41570af00693db2bfabff69c6d242bd01
        • MD5 SHA1 SHA512 SSDEEP

        UserInfo.dll

        • Path \Users\Admin\AppData\Local\Temp\nsy85B.tmp\UserInfo.dll
        • Size 4KB
        • SHA256 564c80dec62d76c53497c40094db360ff8a36e0dc1bda8383d0f9583138997f5
        • MD5 SHA1 SHA512

        inetc.dll

        • Path \Users\Admin\AppData\Local\Temp\nsy85B.tmp\inetc.dll
        • Size 20KB
        • SHA256 5552bdde7e4113393f683ef501e4cc84dccc071bdc51391ea7fa3e7c1d49e4e8
        • MD5 SHA1 SHA512 SSDEEP

        pwgen.dll

        • Path \Users\Admin\AppData\Local\Temp\nsy85B.tmp\pwgen.dll
        • Size 16KB
        • SHA256 82ae08fced4a1f9a7df123634da5f4cb12af4593a006bef421a54739a2cbd44e
        • MD5 SHA1 SHA512 SSDEEP

        memory/2704-74-0x000000001B040000-0x000000001B088000-memory.dmp

        memory/2704-39-0x000007FEF5D50000-0x000007FEF66ED000-memory.dmp

        memory/2704-75-0x0000000000C60000-0x0000000000CE0000-memory.dmp

        memory/2704-76-0x0000000000C60000-0x0000000000CE0000-memory.dmp

        memory/2704-77-0x0000000000C60000-0x0000000000CE0000-memory.dmp

        memory/2704-78-0x0000000000C60000-0x0000000000CE0000-memory.dmp

        memory/2704-79-0x0000000000C60000-0x0000000000CE0000-memory.dmp

        memory/2704-80-0x0000000021920000-0x00000000220C6000-memory.dmp

        memory/2704-86-0x000007FEF5D50000-0x000007FEF66ED000-memory.dmp

        memory/2704-40-0x0000000000C60000-0x0000000000CE0000-memory.dmp