Analysis
- max time kernel
148s - max time network
152s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260706-en - resource tags
- submitted
07/07/2026, 11:34
General
- Target 4b9fcd979cb2529a89a5976a0abc87bb591280bd74282c239d37b75a56e0b747.exe
- Size 45KB
- Sample260707-npjddsgy41
- SHA256 4b9fcd979cb2529a89a5976a0abc87bb591280bd74282c239d37b75a56e0b747
Malware Config
Extracted
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asyncrat
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0.5.8
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Default
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103.109.100.136:80
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103.109.100.136:22
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103.109.100.136:8080
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103.109.100.136:8880
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103.109.100.136:2052
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103.109.100.136:2082
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103.109.100.136:2086
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103.109.100.136:2095
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103.109.100.136:443
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103.109.100.136:2053
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103.109.100.136:2083
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103.109.100.136:2087
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103.109.100.136:2096
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103.109.100.136:8443
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LcqXQpIIqQa2
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delay
0
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install
true
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install_file
uh3n.exe
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install_folder
%AppData%
Signatures
- Family: AsyncRat
AsyncRAT is designed to remotely monitor and control other computers written in C#.
- Async RAT payload 1 IoCs
- Executes dropped EXE 2 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 7 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- 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 29 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 5 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\4b9fcd979cb2529a89a5976a0abc87bb591280bd74282c239d37b75a56e0b747.exe"C:\Users\Admin\AppData\Local\Temp\4b9fcd979cb2529a89a5976a0abc87bb591280bd74282c239d37b75a56e0b747.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "uh3n" /tr '"C:\Users\Admin\AppData\Roaming\uh3n.exe"' & exit2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exeschtasks /create /f /sc onlogon /rl highest /tn "uh3n" /tr '"C:\Users\Admin\AppData\Roaming\uh3n.exe"'3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp5431.tmp.bat""2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\timeout.exetimeout 33⤵
- System Location Discovery: System Language Discovery
- Delays execution with timeout.exe
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C:\Users\Admin\AppData\Roaming\uh3n.exe"C:\Users\Admin\AppData\Roaming\uh3n.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
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C:\Users\Admin\AppData\Roaming\uh3n.exe"C:\Users\Admin\AppData\Roaming\uh3n.exe"1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
tmp5431.tmp.bat
uh3n.exe
memory/424-0-0x0000000074202000-0x0000000074203000-memory.dmp
memory/424-1-0x0000000000860000-0x0000000000872000-memory.dmp
memory/424-2-0x00000000741F0000-0x00000000749AC000-memory.dmp
memory/424-3-0x0000000005370000-0x000000000540C000-memory.dmp
memory/424-8-0x00000000741F0000-0x00000000749AC000-memory.dmp
memory/2148-12-0x0000000074080000-0x000000007483C000-memory.dmp
memory/2148-14-0x0000000074080000-0x000000007483C000-memory.dmp