Analysis
- max time kernel
149s - max time network
152s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
- submitted
16/04/2026, 15:32
General
- Target gamepulse.exe
- Size 3.5MB
- Sample260416-sym56ags41
- SHA256 fa1b51658dea009762773097819f0ba9161cdf82b60d001220f501d423eb39b1
Malware Config
Extracted
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quasar
-
1.4.1
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GamePulse
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gbsuu.jp.net:4782
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gbsuu.jp.net:443
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audit.ru.com:1604
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audit.ru.com:80
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ransomware.it.com:443
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ransomware.it.com:4782
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ransomware.it.com:8848
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ransomware.it.com:8888
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ransomware.it.com:8080
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icreate.jp.net:700
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icreate.jp.net:3121
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tubidy.co.com:700
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tubidy.co.com:53
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GamePulse
-
encryption_key
2DA8E1B5D18EAA4561218BCAF7CC51C403CE73ED
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install_name
netWork.exe
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key_salt
bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941
-
log_directory
Logs
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reconnect_delay
3000
-
startup_key
netWork
-
subdirectory
%appdata%
Signatures
- Family: Quasar RAT
Quasar is an open source Remote Access Tool.
- Quasar payload 2 IoCs
- Executes dropped EXE 1 IoCs
- Drops file in Program Files directory 2 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of FindShellTrayWindow 1 IoCs
- Suspicious use of SendNotifyMessage 1 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 3 IoCs
- Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
-
C:\Users\Admin\AppData\Local\Temp\gamepulse.exe"C:\Users\Admin\AppData\Local\Temp\gamepulse.exe"1⤵
- Drops file in Program Files directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SYSTEM32\schtasks.exe"schtasks" /create /tn "netWork" /sc ONLOGON /tr "C:\Program Files\%appdata%\netWork.exe" /rl HIGHEST /f2⤵
- Scheduled Task/Job: Scheduled Task
-
-
C:\Program Files\%appdata%\netWork.exe"C:\Program Files\%appdata%\netWork.exe"2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Windows\SYSTEM32\schtasks.exe"schtasks" /create /tn "netWork" /sc ONLOGON /tr "C:\Program Files\%appdata%\netWork.exe" /rl HIGHEST /f3⤵
- Scheduled Task/Job: Scheduled Task
-
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
netWork.exe
memory/4680-0-0x0000000000A10000-0x0000000000D8E000-memory.dmp
memory/4680-1-0x000000001BBA0000-0x000000001BBB0000-memory.dmp
memory/4680-8-0x0000000002EE0000-0x0000000002EF2000-memory.dmp
memory/4680-7-0x0000000002E60000-0x0000000002E6C000-memory.dmp
memory/4932-9-0x000000001BF30000-0x000000001BF40000-memory.dmp
memory/4932-10-0x000000001C9E0000-0x000000001CA30000-memory.dmp
memory/4932-11-0x000000001CAF0000-0x000000001CBA2000-memory.dmp
memory/4932-12-0x0000000001A90000-0x0000000001A9C000-memory.dmp
memory/4932-13-0x0000000003300000-0x0000000003312000-memory.dmp
memory/4932-14-0x000000001BF30000-0x000000001BF40000-memory.dmp