Analysis
- max time kernel
148s - max time network
150s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
09/09/2026, 03:10
General
- Target GameUpdate.exe
- Size 67KB
- Sample260909-dpby7s1cmd
- SHA256 afda72481a130b617e085db8d0f520045903669fce9e0047571a06398f2bb1ab
Malware Config
Extracted
-
asyncrat
-
0.5.8
-
Default
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alo789vn.info:6606
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alo789vn.info:7707
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alo789vn.info:8808
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alo789vn.info:443
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alo789vn.info:80
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i4rr2xTfWWGE
-
delay
10
-
install
true
-
install_file
VersionUpdate.exe
-
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 2 IoCs
- Suspicious use of WriteProcessMemory 5 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\GameUpdate.exe"C:\Users\Admin\AppData\Local\Temp\GameUpdate.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 "VersionUpdate" /tr '"C:\Users\Admin\AppData\Roaming\VersionUpdate.exe"' & exit2⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exeschtasks /create /f /sc onlogon /rl highest /tn "VersionUpdate" /tr '"C:\Users\Admin\AppData\Roaming\VersionUpdate.exe"'3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
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-
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpE683.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\VersionUpdate.exe"C:\Users\Admin\AppData\Roaming\VersionUpdate.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
-
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C:\Users\Admin\AppData\Roaming\VersionUpdate.exe"C:\Users\Admin\AppData\Roaming\VersionUpdate.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
tmpE683.tmp.bat
VersionUpdate.exe
memory/2276-12-0x00000000742A0000-0x0000000074A5C000-memory.dmp
memory/2276-15-0x00000000742A0000-0x0000000074A5C000-memory.dmp
memory/4332-0-0x0000000074482000-0x0000000074483000-memory.dmp
memory/4332-1-0x0000000000A30000-0x0000000000A46000-memory.dmp
memory/4332-2-0x0000000074482000-0x0000000074483000-memory.dmp
memory/4332-3-0x0000000074470000-0x0000000074C2C000-memory.dmp
memory/4332-4-0x0000000005430000-0x00000000054CC000-memory.dmp
memory/4332-14-0x0000000074470000-0x0000000074C2C000-memory.dmp