Analysis

  • max time kernel
    79s
  • 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/FlowSshNet32.msi
  • Size 424KB
  • Sample260707-sqlblagx7p
  • SHA256 f65d0fc7e088baf31e289df68096b1e17645043ccb305419af023e1b632a310e
  • 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\FlowSshNet32.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:5768
  • 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:1808
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 294C877CF0CFCB61D138F354BA00A6DF C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:5752
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:3032
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:2296

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          e5b5021.rbs

          • Path C:\Config.Msi\e5b5021.rbs
          • Size 9KB
          • SHA256 459558e07c3bac0df12376a8ea803bdbcf0c3e97d076698c3625f40462df6c49
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSIBE84.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\MSIBE84.tmp
          • Size 87KB
          • SHA256 4604bdec70bb6bb1f4dce4d26d1d583a5f006738f2d679b2aec0d39bd147c442
          • MD5 SHA1 SHA512 SSDEEP TLSH

          e5b5020.msi

          • Path C:\Windows\Installer\e5b5020.msi
          • Size 424KB
          • SHA256 f65d0fc7e088baf31e289df68096b1e17645043ccb305419af023e1b632a310e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          FlowSshNet32.dll

          • Path C:\Windows\assembly\tmp\CUNNFRWS\FlowSshNet32.dll
          • Size 638KB
          • SHA256 c5b5c2a51dc7cbe73b439432f66db2692559c947cf5d677fec7cde67202c80b4
          • MD5 SHA1 SHA512 SSDEEP TLSH

          metadata-2

          • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
          • Size 26.1MB
          • SHA256 a7b3612c0b4277bee7490ee6f0a70a7e6dce7f902fa879d810c016318a49bbc4
          • MD5 SHA1 SHA512 SSDEEP TLSH

          {a3ec4e6b-298f-44e9-9481-41e2ae72d014}_OnDiskSnapshotProp

          • Path \??\Volume{9f7b2466-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{a3ec4e6b-298f-44e9-9481-41e2ae72d014}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 5570d8b47d796ee3302f2f4a1de92373820cafbdc77c4e1f61b769d5640b0730
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/1808-21-0x00000000005A0000-0x0000000000640000-memory.dmp