Analysis
- max time kernel
149s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
- submitted
25/09/2026, 18:06
General
- Target VrumVPN-Setup-1.4.8.exe
- Size 38.5MB
- Sample260925-wp3q2ashnc
- SHA256 9017247048929403e2ccf8c15f5cf1cb87fd6e5a6e43593064c289d4e0a779ea
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
- Stops running service(s) 4 TTPs
- Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
- System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Inno Setup is an open-source installation builder for Windows applications. 2 IoCs
Inno Setup installer
- Kills process with taskkill 6 IoCs
- Suspicious use of AdjustPrivilegeToken 6 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\VrumVPN-Setup-1.4.8.exe"C:\Users\Admin\AppData\Local\Temp\VrumVPN-Setup-1.4.8.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\is-FUR06I45L7.tmp\VrumVPN-Setup-1.4.8.tmp"C:\Users\Admin\AppData\Local\Temp\is-FUR06I45L7.tmp\VrumVPN-Setup-1.4.8.tmp" /SL5="$50090,39118380,1123840,C:\Users\Admin\AppData\Local\Temp\VrumVPN-Setup-1.4.8.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\SYSTEM32\sc.exe"sc.exe" stop "VrumVPNHelperService"3⤵
- Launches sc.exe
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C:\Windows\SYSTEM32\taskkill.exe"taskkill" /im VrumVPN.exe3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SYSTEM32\taskkill.exe"taskkill" /im VrumVPNHelperService.exe3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SYSTEM32\taskkill.exe"taskkill" /im FlClashCore.exe3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SYSTEM32\taskkill.exe"taskkill" /f /im VrumVPN.exe3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SYSTEM32\taskkill.exe"taskkill" /f /im VrumVPNHelperService.exe3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SYSTEM32\taskkill.exe"taskkill" /f /im FlClashCore.exe3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
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Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
VrumVPN-Setup-1.4.8.tmp
memory/1888-15-0x0000000000EE0000-0x000000000135C000-memory.dmp
memory/1888-21-0x0000000000EE0000-0x000000000135C000-memory.dmp
memory/1888-35-0x0000000000EE0000-0x000000000135C000-memory.dmp
memory/1888-8-0x0000000000E80000-0x0000000000E81000-memory.dmp
memory/1888-7-0x0000000000EE0000-0x000000000135C000-memory.dmp
memory/1888-11-0x0000000000EE0000-0x000000000135C000-memory.dmp
memory/1888-13-0x0000000000EE0000-0x000000000135C000-memory.dmp
memory/1888-33-0x0000000000EE0000-0x000000000135C000-memory.dmp
memory/1888-5-0x0000000000E80000-0x0000000000E81000-memory.dmp
memory/1888-17-0x0000000000EE0000-0x000000000135C000-memory.dmp
memory/1888-19-0x0000000000EE0000-0x000000000135C000-memory.dmp
memory/1888-23-0x0000000000EE0000-0x000000000135C000-memory.dmp
memory/1888-25-0x0000000000EE0000-0x000000000135C000-memory.dmp
memory/1888-27-0x0000000000EE0000-0x000000000135C000-memory.dmp
memory/1888-29-0x0000000000EE0000-0x000000000135C000-memory.dmp
memory/1888-31-0x0000000000EE0000-0x000000000135C000-memory.dmp
memory/5004-0-0x0000000000D30000-0x0000000000E51000-memory.dmp
memory/5004-6-0x0000000000D30000-0x0000000000E51000-memory.dmp