Analysis
- max time kernel
150s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
- submitted
15/04/2026, 09:50
General
- Target 6922329563475c49369b9b9d9824a2c614984cc5cf361e12225a303b389a12f9.exe
- Size 45KB
- Sample260415-lt379aes5x
- SHA256 6922329563475c49369b9b9d9824a2c614984cc5cf361e12225a303b389a12f9
Malware Config
Extracted
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asyncrat
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0.5.8
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Default
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rockholidays.co.uk:443
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rockholidays.co.uk:80
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www.rockholidays.co.uk:443
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www.rockholidays.co.uk:80
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malware.rockholidays.co.uk:443
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malware.rockholidays.co.uk:80
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fakeupdates.rockholidays.co.uk:443
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fakeupdates.rockholidays.co.uk:80
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conti.rockholidays.co.uk:443
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conti.rockholidays.co.uk:80
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WqUkkGFONVm0
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delay
0
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install
true
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install_file
kx9qv.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
- 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
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C:\Users\Admin\AppData\Local\Temp\6922329563475c49369b9b9d9824a2c614984cc5cf361e12225a303b389a12f9.exe"C:\Users\Admin\AppData\Local\Temp\6922329563475c49369b9b9d9824a2c614984cc5cf361e12225a303b389a12f9.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 "kx9qv" /tr '"C:\Users\Admin\AppData\Roaming\kx9qv.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 "kx9qv" /tr '"C:\Users\Admin\AppData\Roaming\kx9qv.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\tmpB7A3.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\kx9qv.exe"C:\Users\Admin\AppData\Roaming\kx9qv.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
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C:\Users\Admin\AppData\Roaming\kx9qv.exe"C:\Users\Admin\AppData\Roaming\kx9qv.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
tmpB7A3.tmp.bat
kx9qv.exe
memory/2484-0-0x0000000000A30000-0x0000000000A42000-memory.dmp
memory/2484-1-0x0000000005320000-0x0000000005330000-memory.dmp
memory/2484-2-0x00000000053F0000-0x000000000548C000-memory.dmp
memory/3936-10-0x0000000004D30000-0x0000000004D40000-memory.dmp
memory/3936-14-0x0000000004D30000-0x0000000004D40000-memory.dmp
memory/4592-11-0x00000000011B0000-0x00000000011F5000-memory.dmp