Analysis
- max time kernel
148s - max time network
153s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
11/07/2026, 16:28
General
- Target 3969ae647aa62ec382719d26770e0b631e34939ac3b23c8e8157cac159f3075b.exe
- Size 45KB
- Sample260711-ty4ctagy6y
- SHA256 3969ae647aa62ec382719d26770e0b631e34939ac3b23c8e8157cac159f3075b
Malware Config
Extracted
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asyncrat
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0.5.8
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Default
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s.damsex.blog:80
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s.damsex.blog:22
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s.damsex.blog:8080
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s.damsex.blog:8880
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s.damsex.blog:2052
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s.damsex.blog:2082
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s.damsex.blog:2086
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s.damsex.blog:2095
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s.damsex.blog:443
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s.damsex.blog:2053
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s.damsex.blog:2083
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s.damsex.blog:2087
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s.damsex.blog:2096
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s.damsex.blog:8443
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www.s.damsex.blog:80
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www.s.damsex.blog:22
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www.s.damsex.blog:8080
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www.s.damsex.blog:8880
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www.s.damsex.blog:2052
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www.s.damsex.blog:2082
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4XdJlFlO1ftd
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delay
0
-
install
true
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install_file
xn3o4h.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\3969ae647aa62ec382719d26770e0b631e34939ac3b23c8e8157cac159f3075b.exe"C:\Users\Admin\AppData\Local\Temp\3969ae647aa62ec382719d26770e0b631e34939ac3b23c8e8157cac159f3075b.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 "xn3o4h" /tr '"C:\Users\Admin\AppData\Roaming\xn3o4h.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 "xn3o4h" /tr '"C:\Users\Admin\AppData\Roaming\xn3o4h.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\tmp56F0.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\xn3o4h.exe"C:\Users\Admin\AppData\Roaming\xn3o4h.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
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-
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C:\Users\Admin\AppData\Roaming\xn3o4h.exe"C:\Users\Admin\AppData\Roaming\xn3o4h.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
tmp56F0.tmp.bat
xn3o4h.exe
memory/5068-0-0x00000000748A2000-0x00000000748A3000-memory.dmp
memory/5068-1-0x0000000000C00000-0x0000000000C12000-memory.dmp
memory/5068-2-0x0000000074890000-0x000000007504C000-memory.dmp
memory/5068-3-0x0000000005740000-0x00000000057DC000-memory.dmp
memory/5068-9-0x0000000074890000-0x000000007504C000-memory.dmp
memory/5460-12-0x0000000074890000-0x000000007504C000-memory.dmp
memory/5460-14-0x0000000074890000-0x000000007504C000-memory.dmp