Analysis
- max time kernel
148s - max time network
144s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
31/08/2026, 05:16
General
- Target d8220970d2bf9f817c3ab400f0eda7497d0d060615144d1152b85a769a759150.exe
- Size 47KB
- Sample260831-fykntaxxhv
- SHA256 d8220970d2bf9f817c3ab400f0eda7497d0d060615144d1152b85a769a759150
Malware Config
Extracted
-
asyncrat
-
0.5.8
-
Default
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RAHvHXBageVA
-
delay
3
-
install
true
-
install_file
updated.exe
-
install_folder
%AppData%
-
local_host
127.0.0.1
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private_ip
192.168.4.63
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 2 IoCs
- Suspicious use of WriteProcessMemory 5 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\d8220970d2bf9f817c3ab400f0eda7497d0d060615144d1152b85a769a759150.exe"C:\Users\Admin\AppData\Local\Temp\d8220970d2bf9f817c3ab400f0eda7497d0d060615144d1152b85a769a759150.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 "updated" /tr '"C:\Users\Admin\AppData\Roaming\updated.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 "updated" /tr '"C:\Users\Admin\AppData\Roaming\updated.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\tmp7A76.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
-
-
C:\Users\Admin\AppData\Roaming\updated.exe"C:\Users\Admin\AppData\Roaming\updated.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
-
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C:\Users\Admin\AppData\Roaming\updated.exe"C:\Users\Admin\AppData\Roaming\updated.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
tmp7A76.tmp.bat
updated.exe
memory/4644-0-0x0000000074D42000-0x0000000074D43000-memory.dmp
memory/4644-1-0x0000000000950000-0x0000000000962000-memory.dmp
memory/4644-2-0x0000000074D30000-0x00000000754EC000-memory.dmp
memory/4644-3-0x00000000053A0000-0x000000000543C000-memory.dmp
memory/4644-13-0x0000000074D30000-0x00000000754EC000-memory.dmp
memory/4884-11-0x0000000074BC0000-0x000000007537C000-memory.dmp
memory/4884-14-0x0000000074BC0000-0x000000007537C000-memory.dmp