Analysis
- max time kernel
150s - max time network
144s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
- submitted
03/05/2026, 01:41
General
- Target dopuslib.dll
- Size 427.9MB
- Sample260503-b4ebrsd18l
- SHA256 153888d497bbc1dc488dcbe6b2ef1bbcf4ccedff48ce9ca8f11fb37a71b2adb5
Malware Config
Signatures
- Family: AsyncRat
AsyncRAT is designed to remotely monitor and control other computers written in C#.
- Family: StormKitty
StormKitty is an open source info stealer written in C#.
- Family: VenomRAT
VenomRAT is a modified version of QuasarRAT with some added features, such as rootkit and stealer capabilites.
- Async RAT payload 1 IoCs
- StormKitty payload 2 IoCs
- VenomRAT 2 IoCs
Detects VenomRAT.
- Executes dropped EXE 3 IoCs
- Adds Run key to start application 2 TTPs 1 IoCs
- System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: EnumeratesProcesses 3 IoCs
- Suspicious behavior: LoadsDriver 1 IoCs
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 2 IoCs
Processes
-
C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\dopuslib.dll1⤵
- Adds Run key to start application
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
-
-
C:\Windows\Temp\xkpsm.sysC:\Windows\Temp\xkpsm.sys1⤵
- Executes dropped EXE
-
C:\Windows\system32\cmd.exe"cmd /c cd /d "C:\Users\Admin\AppData\Roaming\USB30VCBSDRY" & "C:\Users\Admin\AppData\Roaming\USB30VCBSDRY\regsvr32.exe""1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Roaming\USB30VCBSDRY\regsvr32.exe"C:\Users\Admin\AppData\Roaming\USB30VCBSDRY\regsvr32.exe""2⤵
- Executes dropped EXE
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
24e25156f8aa0622.tmp
dpnhupnp.dll
imageres.dll
regsvr32.exe
xkpsm.sys
memory/3956-4450-0x0000000007610000-0x00000000076AC000-memory.dmp
memory/3956-4447-0x0000000006A10000-0x0000000006A1A000-memory.dmp
memory/3956-4455-0x0000000007830000-0x0000000007903000-memory.dmp
memory/3956-4456-0x0000000005B40000-0x0000000005B50000-memory.dmp
memory/3956-4437-0x0000000001000000-0x0000000001340000-memory.dmp
memory/3956-4454-0x00000000057D0000-0x000000000582F000-memory.dmp
memory/3956-4453-0x0000000007990000-0x0000000007CE4000-memory.dmp
memory/3956-4442-0x0000000005F50000-0x00000000064F4000-memory.dmp
memory/3956-4452-0x0000000007960000-0x0000000007982000-memory.dmp
memory/3956-4444-0x0000000005A10000-0x0000000005A76000-memory.dmp
memory/3956-4445-0x0000000005B40000-0x0000000005B50000-memory.dmp
memory/3956-4446-0x0000000006A30000-0x0000000006AC2000-memory.dmp
memory/4760-4430-0x00007FFC5B190000-0x00007FFC5B385000-memory.dmp
memory/4760-2102-0x0000000000AD0000-0x0000000000B7C000-memory.dmp
memory/4760-4433-0x00007FFC5A870000-0x00007FFC5A99A000-memory.dmp
memory/4760-4431-0x00007FFC59A40000-0x00007FFC59AFE000-memory.dmp
memory/4760-4434-0x00007FFC5AB50000-0x00007FFC5AEA5000-memory.dmp
memory/4888-2-0x0000000000010000-0x0000000000018000-memory.dmp
memory/5384-4443-0x0000000000D00000-0x0000000000DAC000-memory.dmp