Analysis
- max time kernel
149s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
- submitted
04/07/2026, 01:26
General
- Target QuasarRAT.exe
- Size 3.1MB
- Sample260704-btkqssh17s
- SHA256 248820dd5ff8dbc6b2e062601557d3c60f50b6b88cc27873ad01cdf5a3a716b7
Malware Config
Extracted
-
quasar
-
1.4.1
-
mb8coin.io
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mb8coin.io:3333
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mb8coin.io:443
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mb8coin.io:80
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mb8coin.io:81
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mb8coin.io:8080
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25ab3018-2fd5-4a3c-aab1-10b7b3aeed2c
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encryption_key
1F31CD0582BA6FBDA903BF4F947CCB13B60528E3
-
install_name
mb8coin.io.exe
-
key_salt
bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941
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log_directory
Logs
-
reconnect_delay
3000
-
startup_key
mb8coin.io Client Startup
-
subdirectory
mb8coin.io
Signatures
- Family: Quasar RAT
Quasar is an open source Remote Access Tool.
- 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 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\QuasarRAT.exe"C:\Users\Admin\AppData\Local\Temp\QuasarRAT.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SYSTEM32\schtasks.exe"schtasks" /create /tn "mb8coin.io Client Startup" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\mb8coin.io\mb8coin.io.exe" /rl HIGHEST /f2⤵
- Scheduled Task/Job: Scheduled Task
-
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C:\Users\Admin\AppData\Roaming\mb8coin.io\mb8coin.io.exe"C:\Users\Admin\AppData\Roaming\mb8coin.io\mb8coin.io.exe"2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Windows\SYSTEM32\schtasks.exe"schtasks" /create /tn "mb8coin.io Client Startup" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\mb8coin.io\mb8coin.io.exe" /rl HIGHEST /f3⤵
- Scheduled Task/Job: Scheduled Task
-
-
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C:\Users\Admin\AppData\Roaming\mb8coin.io\mb8coin.io.exeC:\Users\Admin\AppData\Roaming\mb8coin.io\mb8coin.io.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
mb8coin.io.exe
memory/2760-0-0x0000000000210000-0x0000000000534000-memory.dmp
memory/2760-1-0x0000000000BD0000-0x0000000000BE0000-memory.dmp
memory/4456-8-0x000000001CC20000-0x000000001CC30000-memory.dmp
memory/4456-10-0x000000001D290000-0x000000001D2E0000-memory.dmp
memory/4456-11-0x000000001D3A0000-0x000000001D452000-memory.dmp
memory/4456-13-0x000000001CC20000-0x000000001CC30000-memory.dmp