Analysis

  • max time kernel
    77s
  • max time network
    170s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260706-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260706-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    07/07/2026, 15:19

General

  • Target
    DLL/FlowSshNet64.msi
  • Size 452KB
  • Sample260707-sqlblagx7p
  • SHA256 ba1353d1aad82891a2c248e4c5a83bb622581a7c459da24a3f14858b57318562
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Loads dropped DLL 1 IoCs
  • Badlisted process makes network request 1 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.

  • 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.

  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 1 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\DLL\FlowSshNet64.msi
    1⤵
    • Badlisted process makes network request
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    PID:980
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2464
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 25EBEA12B05B57627A989D4378A82BB7 C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:2580
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:5944
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:3352

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          e5b59f5.rbs

          • Path C:\Config.Msi\e5b59f5.rbs
          • Size 9KB
          • SHA256 2ebd73d68491ba80b4bff280102c02ef5927b3e638c34e3a130216049ab302f3
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSID8D2.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\MSID8D2.tmp
          • Size 87KB
          • SHA256 4604bdec70bb6bb1f4dce4d26d1d583a5f006738f2d679b2aec0d39bd147c442
          • MD5 SHA1 SHA512 SSDEEP TLSH

          e5b59f4.msi

          • Path C:\Windows\Installer\e5b59f4.msi
          • Size 452KB
          • SHA256 ba1353d1aad82891a2c248e4c5a83bb622581a7c459da24a3f14858b57318562
          • MD5 SHA1 SHA512 SSDEEP TLSH

          FlowSshNet64.dll

          • Path C:\Windows\assembly\tmp\PBRR8NUA\FlowSshNet64.dll
          • Size 870KB
          • SHA256 9ec413230e00e2e2c9f5a2f5a30f456cff687800e59aa5365b2688b6203081f2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          metadata-2

          • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
          • Size 26.1MB
          • SHA256 692a24affb5a629356b87f63662a163e81d7455b1b9c75336c43561f540cc9aa
          • MD5 SHA1 SHA512 SSDEEP TLSH

          {6a1e3344-21af-44dd-ac0d-316e1b4b05b1}_OnDiskSnapshotProp

          • Path \??\Volume{9f7b2466-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{6a1e3344-21af-44dd-ac0d-316e1b4b05b1}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 26de9e2d95c4c39b3cf644f9a901f8633f3acdc27e2e1ed123242928c2885aa0
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/2464-23-0x000001DB4A630000-0x000001DB4A70A000-memory.dmp