Analysis
- max time kernel
148s - max time network
151s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260617-en - resource tags
- submitted
29/06/2026, 10:44
General
- Target GameUpdate.exe
- Size 193KB
- Sample260629-ms17yaa13w
- SHA256 2334bf4c2d4585e71e085a0c86ab587a460e5c74b87c8defb8d29c999bee3001
Malware Config
Extracted
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asyncrat
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0.5.8
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Default
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gavanglink.store:80
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gavanglink.store:443
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qvKW2bC4OuFM
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delay
3
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install
true
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install_file
GameUpdate.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 31 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 5 IoCs
Processes
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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 "GameUpdate" /tr '"C:\Users\Admin\AppData\Roaming\GameUpdate.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 "GameUpdate" /tr '"C:\Users\Admin\AppData\Roaming\GameUpdate.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\tmpFB82.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\GameUpdate.exe"C:\Users\Admin\AppData\Roaming\GameUpdate.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
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-
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C:\Users\Admin\AppData\Roaming\GameUpdate.exe"C:\Users\Admin\AppData\Roaming\GameUpdate.exe"1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\system32\sihost.exesihost.exe1⤵
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C:\Windows\explorer.exeexplorer.exe /LOADSAVEDWINDOWS2⤵
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C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe"C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe" -ServerName:CortanaUI.AppXstmwaab17q5s3y22tp6apqz7a45vwv65.mca1⤵
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C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe"C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca1⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
prep_Activatable Class_Hermes_perf.cache
tmpFB82.tmp.bat
GameUpdate.exe
memory/2288-14-0x00000000747C0000-0x0000000074F7C000-memory.dmp
memory/2288-12-0x00000000747C0000-0x0000000074F7C000-memory.dmp
memory/3036-37-0x000001FB001E0000-0x000001FB002E0000-memory.dmp
memory/3036-81-0x000001FB14260000-0x000001FB14280000-memory.dmp
memory/3036-60-0x000001FB03900000-0x000001FB03920000-memory.dmp
memory/3036-49-0x000001FB13E60000-0x000001FB13F60000-memory.dmp
memory/3036-47-0x000001FB03920000-0x000001FB03940000-memory.dmp
memory/3036-36-0x000001FB001E0000-0x000001FB002E0000-memory.dmp
memory/3036-35-0x000001FB001E0000-0x000001FB002E0000-memory.dmp
memory/5536-2-0x00000000747C0000-0x0000000074F7C000-memory.dmp
memory/5536-9-0x00000000747C0000-0x0000000074F7C000-memory.dmp
memory/5536-0-0x00000000747D2000-0x00000000747D3000-memory.dmp
memory/5536-1-0x0000000000260000-0x0000000000296000-memory.dmp
memory/5536-3-0x0000000004D70000-0x0000000004E0C000-memory.dmp