Analysis

  • max time kernel
    149s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    18/07/2026, 22:06

General

  • Target
    dvorak-keyboard/dvorak/Dvorak_amd64.msi
  • Size 112KB
  • Sample260718-11ekssd15l
  • SHA256 ca601b31fc0df9e1dc67634e685e85620022373d58f3a8c577d7ea1fe1520869
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Loads dropped DLL 4 IoCs
  • 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 System32 directory 4 IoCs
  • Drops file in Windows directory 10 IoCs
  • Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

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

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

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of WriteProcessMemory 2 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\dvorak-keyboard\dvorak\Dvorak_amd64.msi
    1⤵
    • Enumerates connected drives
    • Drops file in System32 directory
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:3796
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Drops file in System32 directory
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3400
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:3500
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 2E6A34F2454B721EC379CD56FC578DF6
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Modifies Internet Explorer settings
      PID:2264
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious use of AdjustPrivilegeToken
    PID:372

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        e58898f.rbs

        • Path C:\Config.Msi\e58898f.rbs
        • Size 11KB
        • SHA256 1db2ac769eb7e8d4756abbceb8b0e3eb771a1660210b1d6d7ec54df74f8b5e05
        • MD5 SHA1 SHA512 SSDEEP TLSH

        MSI8BA2.tmp

        • Path C:\Windows\Installer\MSI8BA2.tmp
        • Size 55KB
        • SHA256 51ecd80a8d868820fec1e9a939be55723434c3b0f8d54e66bb78512a7298e4c0
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Dvorak.dll

        • Path C:\Windows\SysWOW64\Dvorak.dll
        • Size 6KB
        • SHA256 98763086c0fd7e56624e16b372e55c7096e03deb88650bc586cfeefd062c1b6a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Dvorak.dll

        • Path C:\Windows\system32\Dvorak.dll
        • Size 7KB
        • SHA256 9d31fbd02defd401e5d20c4bb17ab372dfaa2712e00feb5501d822aa8dd232f6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        metadata-2

        • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
        • Size 24.1MB
        • SHA256 b65aba8816873ccce9660111aba6f2e91122c024d7a73845bb67d46b045cfbb7
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {cf908265-fdac-4618-b70f-356e64393189}_OnDiskSnapshotProp

        • Path \??\Volume{4588d6e0-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{cf908265-fdac-4618-b70f-356e64393189}_OnDiskSnapshotProp
        • Size 6KB
        • SHA256 e099d56932994c36af3f98f7578c9334417f1ffa9ac6cd5446173f46295e3fe2
        • MD5 SHA1 SHA512 SSDEEP TLSH