Analysis
- max time kernel
149s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
- submitted
20/06/2026, 04:39
General
- Target dG.exe
- Size 3.1MB
- Sample260620-facnasds2j
- SHA256 3ca09bc38ffb76baf1acdd6c2209358516e932c1ebf47a5f982c8ee8a18de6d2
Malware Config
Extracted
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quasar
-
1.4.1
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BuGnEt v3
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Bellosi-54747.portmap.host:4782
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Bellosi-54747.portmap.host:54747
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fe0f145a-b7e8-41e8-b439-cfefd06b808c
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encryption_key
DA23FD565F976B13BBF844C91EF414F285F5D339
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install_name
UnrealEngineLauncher.exe
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key_salt
bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941
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log_directory
Logs
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reconnect_delay
3000
-
startup_key
Epic Launcher
-
subdirectory
Epic Games
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 5 IoCs
- 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 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
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C:\Users\Admin\AppData\Local\Temp\dG.exe"C:\Users\Admin\AppData\Local\Temp\dG.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 "Epic Launcher" /sc ONLOGON /tr "C:\Program Files\Epic Games\UnrealEngineLauncher.exe" /rl HIGHEST /f2⤵
- Scheduled Task/Job: Scheduled Task
-
-
C:\Program Files\Epic Games\UnrealEngineLauncher.exe"C:\Program Files\Epic Games\UnrealEngineLauncher.exe"2⤵
- Executes dropped EXE
- Drops file in Program Files directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\SYSTEM32\schtasks.exe"schtasks" /create /tn "Epic Launcher" /sc ONLOGON /tr "C:\Program Files\Epic Games\UnrealEngineLauncher.exe" /rl HIGHEST /f3⤵
- Scheduled Task/Job: Scheduled Task
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-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
UnrealEngineLauncher.exe
memory/1944-8-0x000000001C260000-0x000000001C270000-memory.dmp
memory/1944-9-0x000000001C960000-0x000000001C9B0000-memory.dmp
memory/1944-10-0x000000001CA70000-0x000000001CB22000-memory.dmp
memory/2076-0-0x0000000000130000-0x0000000000454000-memory.dmp
memory/2076-1-0x000000001C3C0000-0x000000001C3D0000-memory.dmp