Analysis
- max time kernel
178s - max time network
177s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
09/08/2026, 23:17
General
- Target 79cb1626f171e3a05ed5cb25b39c6d7945a617f8a11bc0ae864bcf1baf26c4b2.vbs
- Size 1.6MB
- Sample260809-2911tsxcld
- SHA256 79cb1626f171e3a05ed5cb25b39c6d7945a617f8a11bc0ae864bcf1baf26c4b2
Malware Config
Signatures
- Badlisted process makes network request 9 IoCs
Network request originating from process or tool commonly abused by malware.
- Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs
Run Powershell and hide display window.
- Adds Run key to start application 2 TTPs 1 IoCs
- Looks up external IP address via web service 1 TTPs 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Executes a VBScript file via the Windows Script Host. 1 TTPs 2 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Kills process with taskkill 1 IoCs
- Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 4 IoCs
- Suspicious use of AdjustPrivilegeToken 64 IoCs
- Suspicious use of WriteProcessMemory 9 IoCs
- Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Windows\System32\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\79cb1626f171e3a05ed5cb25b39c6d7945a617f8a11bc0ae864bcf1baf26c4b2.vbs"1⤵
- Adds Run key to start application
- Executes a VBScript file via the Windows Script Host.
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\taskkill.exe"C:\Windows\System32\taskkill.exe" /IM cmstp.exe /F2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\System32\wscript.exe"C:\Windows\System32\wscript.exe" "C:\Users\Admin\AppData\Local\Temp\tfg10662.vbs"2⤵
- Executes a VBScript file via the Windows Script Host.
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass -WindowStyle Hidden -NoProfile -File "C:\Users\Admin\AppData\Local\Temp\ex16156.ps1"3⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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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\z0d51il3\z0d51il3.cmdline"4⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exeC:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES548F.tmp" "c:\Users\Admin\AppData\Local\Temp\z0d51il3\CSC8387B97DCFDE4289AC4DBE794D0503F.TMP"5⤵
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"powershell.exe" -WindowStyle Hidden -ExecutionPolicy Bypass -File "C:\Users\Admin\AppData\Local\Temp\agent_1784154235.ps1"4⤵
- Badlisted process makes network request
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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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\30354ajb\30354ajb.cmdline"5⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exeC:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES5B26.tmp" "c:\Users\Admin\AppData\Local\Temp\30354ajb\CSCC1620387F2D7409F82E1EC41B1CCFF69.TMP"6⤵
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C:\Windows\System32\schtasks.exe"C:\Windows\System32\schtasks.exe" /create /sc onlogon /tn "WindowsUpdate" /tr "wscript.exe //B C:\Users\Admin\AppData\Roaming\Windows\Cache\DllHost.vbs" /f /rl HIGHEST2⤵
- Scheduled Task/Job: Scheduled Task
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C:\Windows\system32\wscript.exewscript.exe1⤵
Network
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
2PowerShell
1Visual Basic
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Replay Monitor
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Downloads
30354ajb.dll
RES548F.tmp
RES5B26.tmp
__PSScriptPolicyTest_dun4wwi4.4fh.ps1
agent_1784154235.ps1
ex16156.ps1
tfg10662.vbs
z0d51il3.dll
30354ajb.0.cs
30354ajb.cmdline
CSCC1620387F2D7409F82E1EC41B1CCFF69.TMP
CSC8387B97DCFDE4289AC4DBE794D0503F.TMP
z0d51il3.0.cs
z0d51il3.cmdline
memory/3732-19-0x00000215B6200000-0x00000215B6208000-memory.dmp
memory/3732-5-0x00000215B6230000-0x00000215B6252000-memory.dmp
memory/4572-36-0x000002D9B6B10000-0x000002D9B6B18000-memory.dmp
memory/4572-39-0x000002D9CED60000-0x000002D9CED7E000-memory.dmp
memory/4572-40-0x000002D9CF030000-0x000002D9CF0E2000-memory.dmp
memory/4572-41-0x000002D9CED80000-0x000002D9CED8A000-memory.dmp
memory/4572-46-0x000002D9CEDB0000-0x000002D9CEDDA000-memory.dmp
memory/4572-47-0x000002D9CEDB0000-0x000002D9CEDD4000-memory.dmp