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Analysis

  • max time kernel
    61s
  • max time network
    127s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/07/2023, 18:25

General

  • Target

    OpenVPN254I603amd64msi.msi

  • Size

    4.2MB

  • MD5

    a3ca10a71263645df2bb906cbedb3929

  • SHA1

    38e0a4d778e942e0a65fa46da3ccc0e1691bc9ea

  • SHA256

    6f8e093a7fdcaaba48a06b03bb263ef760ef7ca7ffc3312e27480373f91822b4

  • SHA512

    5df382c97555410c435c5931865d55609a11a11bc9728ef0062b9dc0db2871f6115445799612ae07f9bd7bf37a88d5e5bc68c66890a85b82bcbd34e89ea8f194

  • SSDEEP

    98304:SRZhtak954vdGNvOV9fE6Haf731Lqv38yNyOtu:AhX9qvdGNKH8wv3XQO

Score
8/10

Malware Config

Signatures

  • Blocklisted process makes network request 2 IoCs
  • Loads dropped DLL 1 IoCs
  • Enumerates connected drives 3 TTPs 46 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Windows\system32\msiexec.exe
    msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\OpenVPN254I603amd64msi.msi
    1⤵
    • Blocklisted process makes network request
    • Enumerates connected drives
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:3424
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4700
    • C:\Windows\System32\MsiExec.exe
      C:\Windows\System32\MsiExec.exe -Embedding E8C4A72B001FDACED939A629A68F8D6D C
      2⤵
      • Loads dropped DLL
      PID:4280

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\MSIAE9F.tmp

    Filesize

    189KB

    MD5

    738ebc5c63fda7087784b7ef8f749332

    SHA1

    ec49f57766f7b447d0d1935e27604de9a550a3f6

    SHA256

    4d2b74f18d570e98f41acc4063dfbb7686e5e08052869dce32429eae7c635075

    SHA512

    7aa2f3ff49a3756fc199fcdbda60d998d60bea26e36350bcda1e30cd7e10e30bcc5acb40eb983c5c1fa5a7076804cc48664dccacb85dff84e22374a761da7df5

  • C:\Users\Admin\AppData\Local\Temp\MSIAE9F.tmp

    Filesize

    189KB

    MD5

    738ebc5c63fda7087784b7ef8f749332

    SHA1

    ec49f57766f7b447d0d1935e27604de9a550a3f6

    SHA256

    4d2b74f18d570e98f41acc4063dfbb7686e5e08052869dce32429eae7c635075

    SHA512

    7aa2f3ff49a3756fc199fcdbda60d998d60bea26e36350bcda1e30cd7e10e30bcc5acb40eb983c5c1fa5a7076804cc48664dccacb85dff84e22374a761da7df5