Analysis
- max time kernel
150s - max time network
149s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260629-en - resource tags
- submitted
02/07/2026, 06:00
General
- Target 155d1dce8e17b107b531b80b648f1a3fcbcbed764d76a39b0b3972d9424dd2f7.exe
- Size 3.3MB
- Sample260702-gqhd6act21
- SHA256 155d1dce8e17b107b531b80b648f1a3fcbcbed764d76a39b0b3972d9424dd2f7
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#.
- Async RAT payload 1 IoCs
- StormKitty payload 2 IoCs
- Executes dropped EXE 2 IoCs
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Delays execution with timeout.exe 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 64 IoCs
- Suspicious use of AdjustPrivilegeToken 4 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 5 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
-
C:\Users\Admin\AppData\Local\Temp\155d1dce8e17b107b531b80b648f1a3fcbcbed764d76a39b0b3972d9424dd2f7.exe"C:\Users\Admin\AppData\Local\Temp\155d1dce8e17b107b531b80b648f1a3fcbcbed764d76a39b0b3972d9424dd2f7.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "Wihnup" /tr '"C:\Users\Admin\AppData\Local\Temp\Wihnup.exe"' & exit2⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\system32\schtasks.exeschtasks /create /f /sc onlogon /rl highest /tn "Wihnup" /tr '"C:\Users\Admin\AppData\Local\Temp\Wihnup.exe"'3⤵
- Scheduled Task/Job: Scheduled Task
-
-
-
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpCA8.tmp.bat""2⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\system32\timeout.exetimeout 33⤵
- Delays execution with timeout.exe
-
-
C:\Users\Admin\AppData\Local\Temp\Wihnup.exe"C:\Users\Admin\AppData\Local\Temp\Wihnup.exe"3⤵
- Executes dropped EXE
-
-
-
C:\Users\Admin\AppData\Local\Temp\Wihnup.exe"C:\Users\Admin\AppData\Local\Temp\Wihnup.exe"1⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
Wihnup.exe
tmpCA8.tmp.bat
memory/2656-0-0x00007FFE008CF000-0x00007FFE008D0000-memory.dmp
memory/2656-1-0x00000000009E0000-0x0000000000D2A000-memory.dmp
memory/2656-2-0x00007FFE00740000-0x00007FFE010E4000-memory.dmp
memory/2656-3-0x00007FFE00740000-0x00007FFE010E4000-memory.dmp
memory/2656-4-0x00007FFE00740000-0x00007FFE010E4000-memory.dmp
memory/2656-5-0x00007FFE00740000-0x00007FFE010E4000-memory.dmp
memory/2656-6-0x00007FFE00740000-0x00007FFE010E4000-memory.dmp
memory/2656-7-0x00007FFE00740000-0x00007FFE010E4000-memory.dmp
memory/2656-12-0x00007FFE00740000-0x00007FFE010E4000-memory.dmp
memory/5540-16-0x000000001C680000-0x000000001C6A2000-memory.dmp