Analysis
- max time kernel
148s - max time network
145s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
12/07/2026, 03:16
General
- Target d1e4a475e0e9dae9a05fe3bc6f60c1cb1c93f4f8b7ebd02b239023da207c83fc.exe
- Size 45KB
- Sample260712-dshk6acv2j
- SHA256 d1e4a475e0e9dae9a05fe3bc6f60c1cb1c93f4f8b7ebd02b239023da207c83fc
Malware Config
Extracted
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asyncrat
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0.5.8
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Default
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sexvietnew.info:80
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sexvietnew.info:22
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sexvietnew.info:8080
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sexvietnew.info:8880
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sexvietnew.info:2052
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sexvietnew.info:2082
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sexvietnew.info:2086
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sexvietnew.info:2095
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sexvietnew.info:443
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sexvietnew.info:2053
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sexvietnew.info:2083
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sexvietnew.info:2087
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sexvietnew.info:2096
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sexvietnew.info:8443
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www.sexvietnew.info:80
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www.sexvietnew.info:22
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www.sexvietnew.info:8080
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www.sexvietnew.info:8880
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www.sexvietnew.info:2052
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www.sexvietnew.info:2082
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uNeXas0oDnQd
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delay
0
-
install
true
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install_file
8nbr5m3.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\d1e4a475e0e9dae9a05fe3bc6f60c1cb1c93f4f8b7ebd02b239023da207c83fc.exe"C:\Users\Admin\AppData\Local\Temp\d1e4a475e0e9dae9a05fe3bc6f60c1cb1c93f4f8b7ebd02b239023da207c83fc.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 "8nbr5m3" /tr '"C:\Users\Admin\AppData\Roaming\8nbr5m3.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 "8nbr5m3" /tr '"C:\Users\Admin\AppData\Roaming\8nbr5m3.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\tmp47DD.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\8nbr5m3.exe"C:\Users\Admin\AppData\Roaming\8nbr5m3.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
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-
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C:\Users\Admin\AppData\Roaming\8nbr5m3.exe"C:\Users\Admin\AppData\Roaming\8nbr5m3.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
tmp47DD.tmp.bat
8nbr5m3.exe
memory/4080-12-0x0000000074090000-0x000000007484C000-memory.dmp
memory/4080-14-0x0000000074090000-0x000000007484C000-memory.dmp
memory/4492-0-0x0000000074242000-0x0000000074243000-memory.dmp
memory/4492-1-0x00000000007F0000-0x0000000000802000-memory.dmp
memory/4492-2-0x0000000074230000-0x00000000749EC000-memory.dmp
memory/4492-3-0x0000000005320000-0x00000000053BC000-memory.dmp
memory/4492-8-0x0000000074230000-0x00000000749EC000-memory.dmp