Analysis
- max time kernel
148s - max time network
150s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
13/10/2026, 02:00
General
- Target patch.exe
- Size 112KB
- Sample261013-cfe4tsab82
- SHA256 79275ab8d539e88ff9e1c6416acb74bf8e0217dc15e0676624d19956bd46e3ca
Malware Config
Extracted
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asyncrat
-
0.5.8
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Default
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bestechsolutions.in:8808
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bestechsolutions.in:443
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bestechsolutions.in:80
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bestechsolutions.in:22
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bestechsolutions.in:23
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www.bestechsolutions.in:8808
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www.bestechsolutions.in:443
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www.bestechsolutions.in:80
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www.bestechsolutions.in:22
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www.bestechsolutions.in:23
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j2HMWEIgpeeQ
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delay
3
-
install
true
-
install_file
patch.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).
- Executes a command shell one-liner 1 TTPs 2 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
- 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 31 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 5 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\patch.exe"C:\Users\Admin\AppData\Local\Temp\patch.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 "patch" /tr '"C:\Users\Admin\AppData\Roaming\patch.exe"' & exit2⤵
- Executes a command shell one-liner
- 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 "patch" /tr '"C:\Users\Admin\AppData\Roaming\patch.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\tmpD622.tmp.bat""2⤵
- Executes a command shell one-liner
- 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\patch.exe"C:\Users\Admin\AppData\Roaming\patch.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
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-
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C:\Users\Admin\AppData\Roaming\patch.exe"C:\Users\Admin\AppData\Roaming\patch.exe"1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
tmpD622.tmp.bat
patch.exe
memory/2676-12-0x00000000751D0000-0x000000007598C000-memory.dmp
memory/2676-14-0x00000000751D0000-0x000000007598C000-memory.dmp
memory/5460-0-0x00000000751E2000-0x00000000751E3000-memory.dmp
memory/5460-1-0x0000000000010000-0x0000000000032000-memory.dmp
memory/5460-2-0x00000000751D0000-0x000000007598C000-memory.dmp
memory/5460-3-0x0000000004B10000-0x0000000004BAC000-memory.dmp
memory/5460-9-0x00000000751D0000-0x000000007598C000-memory.dmp