Analysis
- max time kernel
148s - max time network
149s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
14/07/2026, 16:41
General
- Target 0e49dedd7a1b6713d99057c33744d08dca270a95415b704d7d209880995215dd.exe
- Size 45KB
- Sample260714-t6882agy2j
- SHA256 0e49dedd7a1b6713d99057c33744d08dca270a95415b704d7d209880995215dd
Malware Config
Extracted
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asyncrat
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0.5.8
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Default
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sexvietfree.com:80
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sexvietfree.com:22
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sexvietfree.com:8080
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sexvietfree.com:8880
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sexvietfree.com:2052
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sexvietfree.com:2082
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sexvietfree.com:2086
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sexvietfree.com:2095
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sexvietfree.com:443
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sexvietfree.com:2053
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sexvietfree.com:2083
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sexvietfree.com:2087
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sexvietfree.com:2096
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sexvietfree.com:8443
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www.sexvietfree.com:80
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www.sexvietfree.com:22
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www.sexvietfree.com:8080
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www.sexvietfree.com:8880
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www.sexvietfree.com:2052
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www.sexvietfree.com:2082
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caY1M6Z7TYkW
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delay
0
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install
true
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install_file
kc054.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 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 6 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 1 IoCs
- Suspicious use of WriteProcessMemory 4 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\0e49dedd7a1b6713d99057c33744d08dca270a95415b704d7d209880995215dd.exe"C:\Users\Admin\AppData\Local\Temp\0e49dedd7a1b6713d99057c33744d08dca270a95415b704d7d209880995215dd.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 "kc054" /tr '"C:\Users\Admin\AppData\Roaming\kc054.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 "kc054" /tr '"C:\Users\Admin\AppData\Roaming\kc054.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\tmp791E.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\kc054.exe"C:\Users\Admin\AppData\Roaming\kc054.exe"3⤵
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C:\Users\Admin\AppData\Roaming\kc054.exe"C:\Users\Admin\AppData\Roaming\kc054.exe"1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
tmp791E.tmp.bat
kc054.exe
memory/4524-12-0x00000000748B0000-0x000000007506C000-memory.dmp
memory/4524-14-0x00000000748B0000-0x000000007506C000-memory.dmp
memory/5800-0-0x0000000074A32000-0x0000000074A33000-memory.dmp
memory/5800-1-0x0000000000960000-0x0000000000972000-memory.dmp
memory/5800-2-0x0000000074A20000-0x00000000751DC000-memory.dmp
memory/5800-3-0x0000000005370000-0x000000000540C000-memory.dmp
memory/5800-8-0x0000000074A20000-0x00000000751DC000-memory.dmp