Analysis
- max time kernel
149s - max time network
115s - platform
windows10-ltsc_2021_x64 - resource
win10ltsc2021-20260513-en - resource tags
- submitted
22/05/2026, 21:05
General
- Target tmpvgbl6emv.exe
- Size 29KB
- Sample260522-zxmlkahs7y
- SHA256 83b784dbb5dccb2dee1569d8b9382a3d8f6e441be6c0754b19cf4a9f9b571f77
Malware Config
Signatures
- Family: AsyncRat
AsyncRAT is designed to remotely monitor and control other computers written in C#.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- 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 21 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 2 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\tmpvgbl6emv.exe"C:\Users\Admin\AppData\Local\Temp\tmpvgbl6emv.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "svchost" /tr '"C:\Users\Admin\AppData\Local\Temp\AppData\svchost.exe"' & exit2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exeschtasks /create /f /sc onlogon /rl highest /tn "svchost" /tr '"C:\Users\Admin\AppData\Local\Temp\AppData\svchost.exe"'3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
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Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
memory/2236-0-0x00000000004F0000-0x00000000004FE000-memory.dmp
memory/2236-1-0x0000000004F30000-0x0000000004F40000-memory.dmp
memory/2236-2-0x0000000004F30000-0x0000000004F40000-memory.dmp
memory/2236-3-0x0000000005AB0000-0x0000000006056000-memory.dmp
memory/2236-4-0x00000000055E0000-0x0000000005672000-memory.dmp
memory/2236-5-0x0000000005720000-0x00000000057BC000-memory.dmp