Analysis
- max time kernel
118s - max time network
119s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260710-en - resource tags
- submitted
30/07/2026, 13:54
General
- Target 28ebd1aa-aa50-4d8d-a311-bdaa5cc7693f.exe
- Size 48KB
- Sample260730-q7tyysbl8x
- SHA256 ccb90aa7099d43a7a7e3facf229fbd2fb5abacc3dc38eef4451466343318520b
Malware Config
Extracted
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asyncrat
-
0.5.8
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Default
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viet69z.me:2323
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viet69z.me:3232
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viet69z.me:7685
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viet69z.me:5435
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viet69z.me:8090
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viet69z.me:8002
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www.viet69z.me:2323
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www.viet69z.me:3232
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www.viet69z.me:7685
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www.viet69z.me:5435
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www.viet69z.me:8090
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www.viet69z.me:8002
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ILOVEYOU.viet69z.me:2323
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ILOVEYOU.viet69z.me:3232
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ILOVEYOU.viet69z.me:7685
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ILOVEYOU.viet69z.me:5435
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ILOVEYOU.viet69z.me:8090
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ILOVEYOU.viet69z.me:8002
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Melissa.viet69z.me:2323
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Melissa.viet69z.me:3232
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XAfAGB0mXfr3
-
delay
3
-
install
true
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install_file
Copilot.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).
- Executes a command shell one-liner 1 TTPs 2 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
- 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 31 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 5 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\28ebd1aa-aa50-4d8d-a311-bdaa5cc7693f.exe"C:\Users\Admin\AppData\Local\Temp\28ebd1aa-aa50-4d8d-a311-bdaa5cc7693f.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 "Copilot" /tr '"C:\Users\Admin\AppData\Roaming\Copilot.exe"' & exit2⤵
- Executes a command shell one-liner
- 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 "Copilot" /tr '"C:\Users\Admin\AppData\Roaming\Copilot.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\tmp1B00.tmp.bat""2⤵
- Executes a command shell one-liner
- 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\Copilot.exe"C:\Users\Admin\AppData\Roaming\Copilot.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
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-
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C:\Users\Admin\AppData\Roaming\Copilot.exe"C:\Users\Admin\AppData\Roaming\Copilot.exe"1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
tmp1B00.tmp.bat
Copilot.exe
memory/4640-12-0x00000000747F0000-0x0000000074FAC000-memory.dmp
memory/4640-14-0x00000000747F0000-0x0000000074FAC000-memory.dmp
memory/4864-0-0x00000000749F2000-0x00000000749F3000-memory.dmp
memory/4864-1-0x0000000000120000-0x0000000000132000-memory.dmp
memory/4864-2-0x00000000749E0000-0x000000007519C000-memory.dmp
memory/4864-3-0x0000000004AD0000-0x0000000004B6C000-memory.dmp
memory/4864-8-0x00000000749E0000-0x000000007519C000-memory.dmp