Analysis
- max time kernel
427s - max time network
444s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
30/06/2024, 02:27
General
- Target ControlLock.exe
- Size 3.1MB
- Sample240630-cxd8vsselb
- SHA256 23b2736b81a4c1e470f4b03ce681656c43e109e73acccbcc6279589fb1b695a6
Malware Config
Extracted
-
quasar
-
1.4.1
-
ControlLock
-
73.66.246.196:4782
-
39766065-e590-4bf3-8b16-5588786c4cde
-
encryption_key
FF6377F726ECA29603D169F2C250624963D66B79
-
install_name
WindowsDefender.exe
-
log_directory
Logs
-
reconnect_delay
2000
-
startup_key
Windows Defender
-
subdirectory
Windows
Signatures
- Quasar RAT
Quasar is an open source Remote Access Tool.
- Quasar payload 2 IoCs
- Executes dropped EXE 1 IoCs
- Drops file in System32 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 6 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\ControlLock.exe"C:\Users\Admin\AppData\Local\Temp\ControlLock.exe"1⤵
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SYSTEM32\schtasks.exe"schtasks" /create /tn "Windows Defender" /sc ONLOGON /tr "C:\Windows\system32\Windows\WindowsDefender.exe" /rl HIGHEST /f2⤵
- Scheduled Task/Job: Scheduled Task
-
-
C:\Windows\system32\Windows\WindowsDefender.exe"C:\Windows\system32\Windows\WindowsDefender.exe"2⤵
- Executes dropped EXE
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Windows\SYSTEM32\schtasks.exe"schtasks" /create /tn "Windows Defender" /sc ONLOGON /tr "C:\Windows\system32\Windows\WindowsDefender.exe" /rl HIGHEST /f3⤵
- Scheduled Task/Job: Scheduled Task
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
WindowsDefender.exe
memory/3300-0-0x00007FFE899C3000-0x00007FFE899C5000-memory.dmp
memory/3300-1-0x0000000000450000-0x0000000000774000-memory.dmp
memory/3300-2-0x00007FFE899C0000-0x00007FFE8A481000-memory.dmp
memory/3300-9-0x00007FFE899C0000-0x00007FFE8A481000-memory.dmp
memory/4460-10-0x00007FFE899C0000-0x00007FFE8A481000-memory.dmp
memory/4460-11-0x00007FFE899C0000-0x00007FFE8A481000-memory.dmp
memory/4460-12-0x000000001D740000-0x000000001D790000-memory.dmp
memory/4460-13-0x000000001D850000-0x000000001D902000-memory.dmp
memory/4460-14-0x00007FFE899C0000-0x00007FFE8A481000-memory.dmp