Analysis

  • max time kernel
    150s
  • max time network
    135s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    23/10/2026, 02:09

General

  • Target
    wireguard-amd64-1.1.1.msi
  • Size 3.1MB
  • Sample261023-clltkabv8k
  • SHA256 7bfed60ad61b785c914b38b61555a975488e1d3ec472dbfb2fcdf498fca75242
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Badlisted process makes network request 3 IoCs

    Network request originating from process or tool commonly abused by malware.

  • Enumerates connected drives 3 TTPs 46 IoCs

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

  • Drops file in Program Files directory 3 IoCs
  • Drops file in Windows directory 18 IoCs
  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 7 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
  • Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

  • Checks SCSI registry key(s) 3 TTPs 5 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Modifies data under HKEY_USERS 19 IoCs
  • Modifies registry class 42 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 11 IoCs
  • Suspicious use of SendNotifyMessage 6 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Windows\system32\msiexec.exe
    msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\wireguard-amd64-1.1.1.msi
    1⤵
    • Badlisted process makes network request
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:4480
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4904
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:3816
    • C:\Windows\System32\MsiExec.exe
      C:\Windows\System32\MsiExec.exe -Embedding AC981C8F82DA0EA7C46E545E5B10DDF1
      2⤵
      • Loads dropped DLL
      PID:2212
    • C:\Windows\System32\MsiExec.exe
      C:\Windows\System32\MsiExec.exe -Embedding 58A1FE58B1CD91DECBD85FB5647C1117 E Global\MSI0000
      2⤵
      • Loads dropped DLL
      PID:1648
    • C:\Program Files\WireGuard\wireguard.exe
      "C:\Program Files\WireGuard\wireguard.exe"
      2⤵
      • Executes dropped EXE
      • Modifies data under HKEY_USERS
      • Suspicious use of WriteProcessMemory
      PID:1632
      • C:\Program Files\WireGuard\wireguard.exe
        "C:\Program Files\WireGuard\wireguard.exe" /installmanagerservice
        3⤵
        • Executes dropped EXE
        PID:4536
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious use of AdjustPrivilegeToken
    PID:1160
  • C:\Program Files\WireGuard\wireguard.exe
    "C:\Program Files\WireGuard\wireguard.exe" /managerservice
    1⤵
    • Drops file in Program Files directory
    • Executes dropped EXE
    • Reads the TCP/IP host and domain name from the registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:956
    • C:\Program Files\WireGuard\wireguard.exe
      "C:\Program Files\WireGuard\wireguard.exe" /ui 752 748 760 768
      2⤵
      • Executes dropped EXE
      • Modifies registry class
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      PID:2848

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        e590cd8.rbs

        • Path C:\Config.Msi\e590cd8.rbs
        • Size 8KB
        • SHA256 8ef15a63bcf10b29076b4aa50fb6349b72422988ea6498f747d6c7189074ce19
        • MD5 SHA1 SHA512 SSDEEP TLSH

        e590cda.rbs

        • Path C:\Config.Msi\e590cda.rbs
        • Size 417B
        • SHA256 dd126ad725bf4af11a7a87ac39d1bc980ebddb36e6cc5c67c4d1bf8bb48ec9fa
        • MD5 SHA1 SHA512 TLSH

        wireguard.exe

        • Path C:\Program Files\WireGuard\wireguard.exe
        • Size 8.9MB
        • SHA256 04c71fb1a555a6ace40d3ae9113c90c4829d7ca1d6c903fd20a8d41a0e2bef94
        • MD5 SHA1 SHA512 SSDEEP TLSH

        18E6B4A57A6BC7EC9B861CDF2D6D0D02_EF52C1EC85F21F31CC0157A5C8803013

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\18E6B4A57A6BC7EC9B861CDF2D6D0D02_EF52C1EC85F21F31CC0157A5C8803013
        • Size 765B
        • SHA256 ef437cffc2bab6cc342d6cce0212fa30e55a54bd14ef3bcf6ec395bc63c72fcd
        • MD5 SHA1 SHA512 TLSH

        3AA0DCD5A74331FBD6F344550EC48B87_E08A58DF07B0C73A8FBB679D37942B4E

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3AA0DCD5A74331FBD6F344550EC48B87_E08A58DF07B0C73A8FBB679D37942B4E
        • Size 637B
        • SHA256 9bc0bc2972f47eb2ff65262dbaa662731d8a6ad0d7961095de924b0f8ce0dbf1
        • MD5 SHA1 SHA512 TLSH

        B2FAF7692FD9FFBD64EDE317E42334BA_93702E680A5530C052C8D2BA33A2225F

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B2FAF7692FD9FFBD64EDE317E42334BA_93702E680A5530C052C8D2BA33A2225F
        • Size 1KB
        • SHA256 e47bc4dc4e841694a92080d712e615b18b7da34ae698c575f7bbc5f4c9c8d556
        • MD5 SHA1 SHA512 TLSH

        18E6B4A57A6BC7EC9B861CDF2D6D0D02_EF52C1EC85F21F31CC0157A5C8803013

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\18E6B4A57A6BC7EC9B861CDF2D6D0D02_EF52C1EC85F21F31CC0157A5C8803013
        • Size 484B
        • SHA256 5ec3da69a3b725b843d68ad49d6350ca116129768c3573afa3fc35030fe410d2
        • MD5 SHA1 SHA512 TLSH

        3AA0DCD5A74331FBD6F344550EC48B87_E08A58DF07B0C73A8FBB679D37942B4E

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3AA0DCD5A74331FBD6F344550EC48B87_E08A58DF07B0C73A8FBB679D37942B4E
        • Size 480B
        • SHA256 b706068a358edcdcf9d33b94ecd05a512b3dcbb94cade2edb059944c86b82afa
        • MD5 SHA1 SHA512 TLSH

        B2FAF7692FD9FFBD64EDE317E42334BA_93702E680A5530C052C8D2BA33A2225F

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B2FAF7692FD9FFBD64EDE317E42334BA_93702E680A5530C052C8D2BA33A2225F
        • Size 482B
        • SHA256 8496ca6a8e9a8dc51b944c7198d91a54f55cbca500aec6239a6a69bb45b3beaa
        • MD5 SHA1 SHA512 TLSH

        MSIDA2.tmp

        • Path C:\Windows\Installer\MSIDA2.tmp
        • Size 35KB
        • SHA256 8dc9bb86f1a9ecfbc9e045ab4fa10d0adefc5387fa295f944396de7285e04837
        • MD5 SHA1 SHA512 SSDEEP TLSH

        e590cd9.msi

        • Path C:\Windows\Installer\e590cd9.msi
        • Size 3.1MB
        • SHA256 7bfed60ad61b785c914b38b61555a975488e1d3ec472dbfb2fcdf498fca75242
        • MD5 SHA1 SHA512 SSDEEP TLSH

        metadata-2

        • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
        • Size 24.1MB
        • SHA256 43a14fc8d4eeca2b358717effa6d90cdd0fa5c96814f648e2c415d84b1148dcc
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {d6b8a6b0-f786-4990-8cf9-fbabeebee064}_OnDiskSnapshotProp

        • Path \??\Volume{c9561ee0-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{d6b8a6b0-f786-4990-8cf9-fbabeebee064}_OnDiskSnapshotProp
        • Size 6KB
        • SHA256 1727eb09145e9ebe78e382d4fe0bc703104fae641a39393473a7674802647d29
        • MD5 SHA1 SHA512 SSDEEP TLSH