Analysis

  • max time kernel
    148s
  • max time network
    99s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    14/10/2026, 12:24

General

  • Target
    4.msi
  • Size 1.2MB
  • Sample261014-plbptavvht
  • SHA256 eeb374e3e6593752c0ecfcc616b949f608eeff6155b81853bdf8fb52e5ec6eb4
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Badlisted process makes network request 6 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 12 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 SetWindowsHookEx 3 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\4.msi
    1⤵
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    PID:4664
  • 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 SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:5716
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:1872
      • C:\Windows\System32\MsiExec.exe
        C:\Windows\System32\MsiExec.exe -Embedding F5041F37B2C09F48ED8BF18542D61FA1
        2⤵
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:4784
        • 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\4.msi"
          3⤵
          • Badlisted process makes network request
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:5916
          • 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\5vvjcwaa\5vvjcwaa.cmdline"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:5884
            • 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\RES106C.tmp" "c:\Users\Admin\AppData\Local\Temp\5vvjcwaa\CSC7367E69ED03245E4932296351C17A26.TMP"
              5⤵
                PID:4432
            • 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\bojfvyop\bojfvyop.cmdline"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:108
              • 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\RES13C8.tmp" "c:\Users\Admin\AppData\Local\Temp\bojfvyop\CSCE6F3BC3BF5524813A3439DD2842913B3.TMP"
                5⤵
                  PID:3556
            • 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:5504
        • C:\Windows\system32\vssvc.exe
          C:\Windows\system32\vssvc.exe
          1⤵
          • Checks SCSI registry key(s)
          • Suspicious use of AdjustPrivilegeToken
          PID:628
        • C:\Windows\system32\svchost.exe
          C:\Windows\system32\svchost.exe -k GPSvcGroup
          1⤵
            PID:2692

          Network

                MITRE ATT&CK Enterprise v16

                Replay Monitor

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                Downloads

                e5a0311.rbs

                • Path C:\Config.Msi\e5a0311.rbs
                • Size 8KB
                • SHA256 a8dc8ed5fc7d596367ef01de1c8e0ea1d3f801d4c49ae21cfea3c462c8c15c00
                • MD5 SHA1 SHA512 SSDEEP TLSH

                5vvjcwaa.dll

                • Path C:\Users\Admin\AppData\Local\Temp\5vvjcwaa\5vvjcwaa.dll
                • Size 4KB
                • SHA256 8565c87fe14fe1239cfdffc7fe8d63f59ca5cc0d3ee0ee8208d926d4d6baac3f
                • MD5 SHA1 SHA512 SSDEEP TLSH

                705546.ps1

                • Path C:\Users\Admin\AppData\Local\Temp\705546.ps1
                • Size 105KB
                • SHA256 c77024c5843d516d2340ea5f618e466ee3b4bb53beb5a56ea490fb720776bb44
                • MD5 SHA1 SHA512 SSDEEP TLSH

                RES106C.tmp

                • Path C:\Users\Admin\AppData\Local\Temp\RES106C.tmp
                • Size 1KB
                • SHA256 ac759e7ec6590a97d83459ed64147dcbede1011fae19ae5073d3da44334be756
                • MD5 SHA1 SHA512 TLSH

                RES13C8.tmp

                • Path C:\Users\Admin\AppData\Local\Temp\RES13C8.tmp
                • Size 1KB
                • SHA256 1c40bb2c9660518b14f089b5ba46dac52060e4f3e8a29d6683240a5d4c85123b
                • MD5 SHA1 SHA512 TLSH

                bojfvyop.dll

                • Path C:\Users\Admin\AppData\Local\Temp\bojfvyop\bojfvyop.dll
                • Size 5KB
                • SHA256 b5f6d44cb40b31c9936ba6a8805ff2c48fe4292c53cef21583269748d31c87d5
                • MD5 SHA1 SHA512 SSDEEP TLSH

                e5a0312.msi

                • Path C:\Windows\Installer\e5a0312.msi
                • Size 1.2MB
                • SHA256 eeb374e3e6593752c0ecfcc616b949f608eeff6155b81853bdf8fb52e5ec6eb4
                • MD5 SHA1 SHA512 SSDEEP TLSH

                metadata-2

                • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
                • Size 26.1MB
                • SHA256 a85edde1820b0dfc9f0320f5302e451c7a740f75ed00a335fca665a10a54b024
                • MD5 SHA1 SHA512 SSDEEP TLSH

                {68e02c7f-4f22-40ff-be59-25b0a2f180ba}_OnDiskSnapshotProp

                • Path \??\Volume{9cfaea72-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{68e02c7f-4f22-40ff-be59-25b0a2f180ba}_OnDiskSnapshotProp
                • Size 6KB
                • SHA256 0808fc43d72874a420c8e0ca4cba4e5bafcdbd601c99708101d19186db978be3
                • MD5 SHA1 SHA512 SSDEEP TLSH

                5vvjcwaa.0.cs

                • Path \??\c:\Users\Admin\AppData\Local\Temp\5vvjcwaa\5vvjcwaa.0.cs
                • Size 2KB
                • SHA256 7b37c8a50ac88e5495d0031699799503154d43961b27982951cface83d430a5f
                • MD5 SHA1 SHA512 TLSH

                5vvjcwaa.cmdline

                • Path \??\c:\Users\Admin\AppData\Local\Temp\5vvjcwaa\5vvjcwaa.cmdline
                • Size 369B
                • SHA256 25f47835e31eeff30a5e51540454332dc21cc5acf328e5f7dfd9f488f5241aa2
                • MD5 SHA1 SHA512 TLSH

                CSC7367E69ED03245E4932296351C17A26.TMP

                • Path \??\c:\Users\Admin\AppData\Local\Temp\5vvjcwaa\CSC7367E69ED03245E4932296351C17A26.TMP
                • Size 652B
                • SHA256 63e6bea36515bea7e298853575174f865df6dd121cffc1cd5213e5acd38669e5
                • MD5 SHA1 SHA512 TLSH

                CSCE6F3BC3BF5524813A3439DD2842913B3.TMP

                • Path \??\c:\Users\Admin\AppData\Local\Temp\bojfvyop\CSCE6F3BC3BF5524813A3439DD2842913B3.TMP
                • Size 652B
                • SHA256 cbf92de2ee9699e5d624647e836dddca8b7c83f346eb9b4ed40feaeef08a7218
                • MD5 SHA1 SHA512 TLSH

                bojfvyop.0.cs

                • Path \??\c:\Users\Admin\AppData\Local\Temp\bojfvyop\bojfvyop.0.cs
                • Size 5KB
                • SHA256 ba54a32a31fcb3b0890d2bbe897ae8f5ab0b143a5f5d07f71fdfce6776f16d4f
                • MD5 SHA1 SHA512 SSDEEP TLSH

                bojfvyop.cmdline

                • Path \??\c:\Users\Admin\AppData\Local\Temp\bojfvyop\bojfvyop.cmdline
                • Size 369B
                • SHA256 d4a4efa46815c4fe545196dcc704b731a166d43fbe9765bfe8b6ff5166bcf1b7
                • MD5 SHA1 SHA512 TLSH

                memory/5916-46-0x000001CE6CB70000-0x000001CE6CB78000-memory.dmp

                memory/5916-47-0x0000000140000000-0x000000014010A000-memory.dmp

                memory/5916-50-0x000001CE6CB90000-0x000001CE6CB92000-memory.dmp

                memory/5916-62-0x000001CE6D7D0000-0x000001CE6D84A000-memory.dmp

                memory/5916-67-0x0000000140000000-0x000000014010A000-memory.dmp

                memory/5916-6-0x000001CE6CB00000-0x000001CE6CB22000-memory.dmp

                memory/5916-22-0x000001CE6CA80000-0x000001CE6CA88000-memory.dmp