Analysis
- max time kernel
149s - max time network
151s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
- submitted
04/04/2026, 06:14
General
- Target finguard_update.exe
- Size 3.5MB
- Sample260404-gzrn7ae16n
- SHA256 628b6f84afbd4364713dde2d73977a5cb71e38085c330699f1968bf78bffc895
Malware Config
Extracted
-
quasar
-
1.4.1
-
finguard
-
njs.in.net:4782
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njs.in.net:443
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njs.in.net:8888
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njs.in.net:8080
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njs.in.net:8848
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фильмы.ru.com:8848
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фильмы.ru.com:4782
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фильмы.ru.com:8888
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фильмы.ru.com:8080
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фильмы.ru.com:443
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xn--h1agd3a1be.ru.com:443
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xn--h1agd3a1be.ru.com:4782
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xn--h1agd3a1be.ru.com:8080
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xn--h1agd3a1be.ru.com:8888
-
30dfe82a-80c4-4723-a08b-46f08c75c1ae
-
encryption_key
2DA8E1B5D18EAA4561218BCAF7CC51C403CE73ED
-
install_name
finguard.exe
-
key_salt
bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941
-
log_directory
Logs
-
reconnect_delay
3000
-
startup_key
finguard
-
subdirectory
C:\Users\[User]\Documents\FinGuard\finguard.exe
Signatures
- Quasar RAT
Quasar is an open source Remote Access Tool.
- Quasar family
- Quasar payload 2 IoCs
- Executes dropped EXE 2 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 3 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\finguard_update.exe"C:\Users\Admin\AppData\Local\Temp\finguard_update.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SYSTEM32\schtasks.exe"schtasks" /create /tn "finguard" /sc ONLOGON /tr "C:\Users\[User]\Documents\FinGuard\finguard.exe\finguard.exe" /rl HIGHEST /f2⤵
- Scheduled Task/Job: Scheduled Task
-
-
C:\Users\[User]\Documents\FinGuard\finguard.exe\finguard.exe"C:\Users\[User]\Documents\FinGuard\finguard.exe\finguard.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 "finguard" /sc ONLOGON /tr "C:\Users\[User]\Documents\FinGuard\finguard.exe\finguard.exe" /rl HIGHEST /f3⤵
- Scheduled Task/Job: Scheduled Task
-
-
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C:\Users\[User]\Documents\FinGuard\finguard.exe\finguard.exeC:\Users\[User]\Documents\FinGuard\finguard.exe\finguard.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
finguard.exe
memory/820-0-0x0000000000FC0000-0x000000000133E000-memory.dmp
memory/820-1-0x000000001C110000-0x000000001C120000-memory.dmp
memory/820-8-0x00000000034C0000-0x00000000034D2000-memory.dmp
memory/820-7-0x0000000001B50000-0x0000000001B5C000-memory.dmp
memory/2804-13-0x0000000002820000-0x0000000002832000-memory.dmp
memory/2804-12-0x0000000002760000-0x000000000276C000-memory.dmp
memory/4296-9-0x000000001BFE0000-0x000000001BFF0000-memory.dmp
memory/4296-14-0x000000001C5F0000-0x000000001C640000-memory.dmp
memory/4296-15-0x000000001C700000-0x000000001C7B2000-memory.dmp
memory/4296-16-0x0000000001980000-0x000000000198C000-memory.dmp
memory/4296-18-0x000000001BFE0000-0x000000001BFF0000-memory.dmp
memory/4296-17-0x0000000001B50000-0x0000000001B62000-memory.dmp