Analysis
- max time kernel
148s - max time network
150s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260629-en - resource tags
- submitted
30/06/2026, 03:35
General
- Target v4.exe
- Size 45KB
- Sample260630-d5vfgset7l
- SHA256 27299da6d75974563d2f821f703b00e38cfdc96fbeb89c62c05bdf995f0bd344
Malware Config
Extracted
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asyncrat
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0.5.8
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Default
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ridgewoodguildfilmfest.com:443
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ridgewoodguildfilmfest.com:80
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ridgewoodguildfilmfest.com:25
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ridgewoodguildfilmfest.com:8443
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gammaemerald.io:443
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gammaemerald.io:80
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gammaemerald.io:25
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gammaemerald.io:8443
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xoilac.beer:443
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xoilac.beer:80
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xoilac.beer:25
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xoilac.beer:8443
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zmo.uk.com:443
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zmo.uk.com:80
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zmo.uk.com:25
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zmo.uk.com:8443
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4YLPkclbOPxV
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delay
9
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install
true
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install_file
v4.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 27 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 5 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\v4.exe"C:\Users\Admin\AppData\Local\Temp\v4.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 "v4" /tr '"C:\Users\Admin\AppData\Roaming\v4.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 "v4" /tr '"C:\Users\Admin\AppData\Roaming\v4.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\tmp9601.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\v4.exe"C:\Users\Admin\AppData\Roaming\v4.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
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C:\Users\Admin\AppData\Roaming\v4.exe"C:\Users\Admin\AppData\Roaming\v4.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
tmp9601.tmp.bat
v4.exe
memory/3792-13-0x0000000074C60000-0x000000007541C000-memory.dmp
memory/3792-15-0x0000000074C60000-0x000000007541C000-memory.dmp
memory/6104-0-0x0000000074D42000-0x0000000074D43000-memory.dmp
memory/6104-1-0x0000000000A20000-0x0000000000A32000-memory.dmp
memory/6104-2-0x0000000074D42000-0x0000000074D43000-memory.dmp
memory/6104-3-0x0000000074D30000-0x00000000754EC000-memory.dmp
memory/6104-4-0x00000000055F0000-0x000000000568C000-memory.dmp
memory/6104-9-0x0000000074D30000-0x00000000754EC000-memory.dmp