Analysis
- user interaction
yes - max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
- submitted
15/04/2026, 13:54
General
- Target 81ip.exe
- Size 47KB
- Sample260415-q73absf15p
- SHA256 a09983abaf1f037e8da8a9ad18079a2ce26a1c0ac1e2948390a4e916d77440e3
Malware Config
Extracted
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asyncrat
-
0.5.8
-
Default
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91.242.179.84:6606
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91.242.179.84:7707
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91.242.179.84:8808
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91.242.179.84:9001
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91.242.179.62:6606
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91.242.179.62:7707
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91.242.179.62:8808
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91.242.179.62:9001
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81.163.111.127:6606
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81.163.111.127:7707
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81.163.111.127:8808
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81.163.111.127:9001
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7VlVgRzlxcpk
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delay
3
-
install
true
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install_file
svchost.exe
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install_folder
%Temp%
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local_host
127.0.0.1
Signatures
- Family: AsyncRat
AsyncRAT is designed to remotely monitor and control other computers written in C#.
- Async RAT payload 1 IoCs
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- 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 23 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 5 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\81ip.exe"C:\Users\Admin\AppData\Local\Temp\81ip.exe"1⤵
- Checks computer location settings
- 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 "svchost" /tr '"C:\Users\Admin\AppData\Local\Temp\svchost.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 "svchost" /tr '"C:\Users\Admin\AppData\Local\Temp\svchost.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\tmp749E.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\Local\Temp\svchost.exe"C:\Users\Admin\AppData\Local\Temp\svchost.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
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-
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C:\Users\Admin\AppData\Local\Temp\svchost.exe"C:\Users\Admin\AppData\Local\Temp\svchost.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
svchost.exe
tmp749E.tmp.bat
memory/1452-20-0x00000000056A0000-0x0000000005736000-memory.dmp
memory/1452-21-0x0000000005780000-0x0000000005799000-memory.dmp
memory/1452-22-0x00000000057A0000-0x00000000057AA000-memory.dmp
memory/1452-19-0x00000000014D0000-0x00000000015AC000-memory.dmp
memory/1608-15-0x0000000001200000-0x00000000012DC000-memory.dmp
memory/1608-18-0x0000000001990000-0x000000000199A000-memory.dmp
memory/1608-17-0x0000000001970000-0x0000000001989000-memory.dmp
memory/1608-16-0x0000000005300000-0x0000000005396000-memory.dmp
memory/3456-8-0x0000000005160000-0x00000000051F6000-memory.dmp
memory/3456-0-0x0000000000740000-0x0000000000752000-memory.dmp
memory/3456-9-0x0000000002BC0000-0x0000000002BD9000-memory.dmp
memory/3456-7-0x00000000011D0000-0x00000000012AC000-memory.dmp
memory/3456-2-0x00000000052A0000-0x000000000533C000-memory.dmp
memory/3456-1-0x0000000005390000-0x00000000053A0000-memory.dmp