Analysis

  • user interaction
    yes
  • max time kernel
    56s
  • max time network
    35s
  • platform
    windows10-ltsc_2021_x64
  • resource
    win10ltsc2021-20260911-en
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20260911-enlocale:en-usos:windows10-ltsc_2021-x64systemwindows
  • submitted
    14/10/2026, 17:32

General

  • Target
    68993.msi
  • Size 1.1MB
  • Sample261014-v4dvsayxfw
  • SHA256 622c26b8ff7145df37fd72578a98be1b42fd12da20f49d7eba2b23560f19690e
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Badlisted process makes network request 5 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.

  • Looks up external IP address via web service 1 TTPs 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Drops file in Windows directory 8 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Using powershell.exe command.

  • Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

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

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

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of WriteProcessMemory 8 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\68993.msi
    1⤵
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:3364
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1716
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:3096
    • C:\Windows\System32\MsiExec.exe
      C:\Windows\System32\MsiExec.exe -Embedding 92FBD7982FFA23A62B59A404B01E514B
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3208
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -NoProfile -ExecutionPolicy Bypass -File "C:\Users\Admin\AppData\Local\Temp\705546.ps1" "C:\Users\Admin\AppData\Local\Temp\68993.msi"
        3⤵
        • Badlisted process makes network request
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:636
        • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe
          "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\x204qzjc\x204qzjc.cmdline"
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:3256
          • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe
            C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RESC0F9.tmp" "c:\Users\Admin\AppData\Local\Temp\x204qzjc\CSC64D403BE3ABA426DB662DCD53D87478.TMP"
            5⤵
              PID:2976
          • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe
            "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\2yfqgn3g\2yfqgn3g.cmdline"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:1744
            • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe
              C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RESC290.tmp" "c:\Users\Admin\AppData\Local\Temp\2yfqgn3g\CSCD62A2C36E4FB405E92DFDFDB4173AD9F.TMP"
              5⤵
                PID:4796
          • C:\Windows\System32\PING.EXE
            "C:\Windows\System32\PING.EXE" -n 3 127.0.0.1
            3⤵
            • System Network Configuration Discovery: Internet Connection Discovery
            • Runs ping.exe
            PID:1616
      • C:\Windows\system32\vssvc.exe
        C:\Windows\system32\vssvc.exe
        1⤵
        • Checks SCSI registry key(s)
        • Suspicious use of AdjustPrivilegeToken
        PID:2800

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            e58ba65.rbs

            • Path C:\Config.Msi\e58ba65.rbs
            • Size 8KB
            • SHA256 cdde307a40821a51ebf056376e9fec91fd6496d3b07e615456589def1e5d9ce7
            • MD5 SHA1 SHA512 SSDEEP TLSH

            2yfqgn3g.dll

            • Path C:\Users\Admin\AppData\Local\Temp\2yfqgn3g\2yfqgn3g.dll
            • Size 5KB
            • SHA256 9059db6f0dca3786cb46fa3cf8da1b159df2082b28b02e73e7281b1a9ca9a5bf
            • MD5 SHA1 SHA512 SSDEEP TLSH

            705546.ps1

            • Path C:\Users\Admin\AppData\Local\Temp\705546.ps1
            • Size 103KB
            • SHA256 3891b92a825d89fb4f237fa516618a809ac6d2813a5f77e2c0702c783c71446c
            • MD5 SHA1 SHA512 SSDEEP TLSH

            RESC0F9.tmp

            • Path C:\Users\Admin\AppData\Local\Temp\RESC0F9.tmp
            • Size 1KB
            • SHA256 5d05fb6b4500ecdf35df3503e3b0b4e535d24a003b9a401554009ac52d4befe2
            • MD5 SHA1 SHA512 TLSH

            RESC290.tmp

            • Path C:\Users\Admin\AppData\Local\Temp\RESC290.tmp
            • Size 1KB
            • SHA256 b0913363555b5d4dce7caf9d1f22e173e6d58c071f3ff10b98ae932b1dd1f55d
            • MD5 SHA1 SHA512 TLSH

            __PSScriptPolicyTest_1h1w3sw2.3zz.ps1

            • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_1h1w3sw2.3zz.ps1
            • Size 60B
            • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
            • MD5 SHA1 SHA512 TLSH

            x204qzjc.dll

            • Path C:\Users\Admin\AppData\Local\Temp\x204qzjc\x204qzjc.dll
            • Size 4KB
            • SHA256 319d9d1fbcb13658a54fe41bf458d3fafc805286968ed4b201ae2a2cdd962ce1
            • MD5 SHA1 SHA512 SSDEEP TLSH

            e58ba66.msi

            • Path C:\Windows\Installer\e58ba66.msi
            • Size 1.1MB
            • SHA256 622c26b8ff7145df37fd72578a98be1b42fd12da20f49d7eba2b23560f19690e
            • MD5 SHA1 SHA512 SSDEEP TLSH

            metadata-2

            • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
            • Size 24.0MB
            • SHA256 3f3edd8de8474f8b05156af6e17a7ec453ec5f70b068c861583190d8c353b436
            • MD5 SHA1 SHA512 SSDEEP TLSH

            {3e2d8168-0d74-4fe4-b47e-472e2f3b79f0}_OnDiskSnapshotProp

            • Path \??\Volume{9d636857-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{3e2d8168-0d74-4fe4-b47e-472e2f3b79f0}_OnDiskSnapshotProp
            • Size 6KB
            • SHA256 3fc1275dc7dcbcde3e9c449b3e665eefd6b9630295c0be582cf64ca0d183b049
            • MD5 SHA1 SHA512 SSDEEP TLSH

            2yfqgn3g.0.cs

            • Path \??\c:\Users\Admin\AppData\Local\Temp\2yfqgn3g\2yfqgn3g.0.cs
            • Size 5KB
            • SHA256 1251a4da46f9b3fa3001e135d151edffe32bbebdea6239d84ddd1d6079057f29
            • MD5 SHA1 SHA512 SSDEEP TLSH

            2yfqgn3g.cmdline

            • Path \??\c:\Users\Admin\AppData\Local\Temp\2yfqgn3g\2yfqgn3g.cmdline
            • Size 369B
            • SHA256 e81e573cc4502dc7045be407350e44b069822c806baa04b02d7b33b97268db20
            • MD5 SHA1 SHA512 TLSH

            CSCD62A2C36E4FB405E92DFDFDB4173AD9F.TMP

            • Path \??\c:\Users\Admin\AppData\Local\Temp\2yfqgn3g\CSCD62A2C36E4FB405E92DFDFDB4173AD9F.TMP
            • Size 652B
            • SHA256 bc29ce5f1b809fbad68913307fb49707d7d9746b15decfff03e0b8a18dbd260a
            • MD5 SHA1 SHA512 TLSH

            CSC64D403BE3ABA426DB662DCD53D87478.TMP

            • Path \??\c:\Users\Admin\AppData\Local\Temp\x204qzjc\CSC64D403BE3ABA426DB662DCD53D87478.TMP
            • Size 652B
            • SHA256 14bb0a6fd190b86f7fe23df75452960a5bcb041db2e142bc4d262186a83899ae
            • MD5 SHA1 SHA512 TLSH

            x204qzjc.0.cs

            • Path \??\c:\Users\Admin\AppData\Local\Temp\x204qzjc\x204qzjc.0.cs
            • Size 2KB
            • SHA256 b1a43e8c182ce096642ce5debcb6937b2c02197262be57dcd3df8dd913278577
            • MD5 SHA1 SHA512 TLSH

            x204qzjc.cmdline

            • Path \??\c:\Users\Admin\AppData\Local\Temp\x204qzjc\x204qzjc.cmdline
            • Size 369B
            • SHA256 814f5fd08901c1a47d1ce592523cd398091fceca0bff2cf399619fb21eddab5c
            • MD5 SHA1 SHA512 TLSH

            memory/636-43-0x0000000140000000-0x0000000140108000-memory.dmp

            memory/636-42-0x0000021CCAB70000-0x0000021CCAB78000-memory.dmp

            memory/636-45-0x0000021CCAF30000-0x0000021CCAF32000-memory.dmp

            memory/636-56-0x0000021CCB100000-0x0000021CCB17A000-memory.dmp

            memory/636-29-0x0000021CCAB50000-0x0000021CCAB58000-memory.dmp

            memory/636-6-0x0000021CCA060000-0x0000021CCA082000-memory.dmp

            memory/636-72-0x0000000140000000-0x0000000140108000-memory.dmp