Analysis
- max time kernel
149s - max time network
152s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
- submitted
29/04/2026, 19:09
General
- Target c0b5ee39859b4cd5e1c86b764ef2e5d1bc57430ae16ba946a02e8663fb0c49ab.exe
- Size 56KB
- Sample260429-xt1mxafs3x
- SHA256 c0b5ee39859b4cd5e1c86b764ef2e5d1bc57430ae16ba946a02e8663fb0c49ab
Malware Config
Extracted
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asyncrat
-
0.5.8
-
Default
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devsquad.io:443
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devsquad.io:8848
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devsquad.io:8080
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TBqzBekQyHvO
-
delay
3
-
install
true
-
install_file
AsyncRat.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 19 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 5 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\c0b5ee39859b4cd5e1c86b764ef2e5d1bc57430ae16ba946a02e8663fb0c49ab.exe"C:\Users\Admin\AppData\Local\Temp\c0b5ee39859b4cd5e1c86b764ef2e5d1bc57430ae16ba946a02e8663fb0c49ab.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 "AsyncRat" /tr '"C:\Users\Admin\AppData\Roaming\AsyncRat.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 "AsyncRat" /tr '"C:\Users\Admin\AppData\Roaming\AsyncRat.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\tmp393B.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\AsyncRat.exe"C:\Users\Admin\AppData\Roaming\AsyncRat.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
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-
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C:\Users\Admin\AppData\Roaming\AsyncRat.exe"C:\Users\Admin\AppData\Roaming\AsyncRat.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
tmp393B.tmp.bat
AsyncRat.exe
memory/464-17-0x0000000002AA0000-0x0000000002AAB000-memory.dmp
memory/464-16-0x0000000000E60000-0x0000000000EDB000-memory.dmp
memory/464-18-0x0000000002AD0000-0x0000000002AD7000-memory.dmp
memory/3700-11-0x0000000000870000-0x00000000008EB000-memory.dmp
memory/4368-0-0x0000000000D30000-0x0000000000D44000-memory.dmp
memory/4368-1-0x00000000058A0000-0x00000000058B0000-memory.dmp
memory/4368-2-0x00000000058B0000-0x000000000594C000-memory.dmp
memory/4368-7-0x0000000001610000-0x000000000168B000-memory.dmp
memory/5364-14-0x0000000000D20000-0x0000000000D9B000-memory.dmp
memory/5364-15-0x0000000004DB0000-0x0000000004DBB000-memory.dmp