Analysis
- max time kernel
148s - max time network
149s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260629-en - resource tags
- submitted
02/07/2026, 10:06
General
- Target 82e3f88df80eb74912b75ae9d68fd8100e20f7dbb2aa1faad92249236cc8db4a.exe
- Size 3.2MB
- Sample260702-l5bmdafy9s
- SHA256 82e3f88df80eb74912b75ae9d68fd8100e20f7dbb2aa1faad92249236cc8db4a
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
- 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 36 IoCs
- Suspicious use of AdjustPrivilegeToken 2 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
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C:\Users\Admin\AppData\Local\Temp\82e3f88df80eb74912b75ae9d68fd8100e20f7dbb2aa1faad92249236cc8db4a.exe"C:\Users\Admin\AppData\Local\Temp\82e3f88df80eb74912b75ae9d68fd8100e20f7dbb2aa1faad92249236cc8db4a.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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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\Roaming\Wihnup.exe"' & exit2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\schtasks.exeschtasks /create /f /sc onlogon /rl highest /tn "Wihnup" /tr '"C:\Users\Admin\AppData\Roaming\Wihnup.exe"'3⤵
- Scheduled Task/Job: Scheduled Task
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp190C.tmp.bat""2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\timeout.exetimeout 33⤵
- Delays execution with timeout.exe
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C:\Users\Admin\AppData\Roaming\Wihnup.exe"C:\Users\Admin\AppData\Roaming\Wihnup.exe"3⤵
- Executes dropped EXE
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C:\Users\Admin\AppData\Roaming\Wihnup.exe"C:\Users\Admin\AppData\Roaming\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
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Downloads
tmp190C.tmp.bat
Wihnup.exe
memory/1340-0-0x00007FFADF1BF000-0x00007FFADF1C0000-memory.dmp
memory/1340-1-0x00000000005F0000-0x000000000092C000-memory.dmp
memory/1340-2-0x00007FFADF030000-0x00007FFADF9D4000-memory.dmp
memory/1340-3-0x00007FFADF030000-0x00007FFADF9D4000-memory.dmp
memory/1340-4-0x00007FFADF030000-0x00007FFADF9D4000-memory.dmp
memory/1340-5-0x00007FFADF030000-0x00007FFADF9D4000-memory.dmp
memory/1340-6-0x00007FFADF030000-0x00007FFADF9D4000-memory.dmp
memory/1340-7-0x00007FFADF030000-0x00007FFADF9D4000-memory.dmp
memory/1340-11-0x00007FFADF030000-0x00007FFADF9D4000-memory.dmp