Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
- submitted
22/11/2024, 00:49
General
- Target GoreboxModMenu1.2.0.exe
- Size 3.1MB
- Sample241122-a6f3ps1jhs
- SHA256 5df3470db00597e3da516459648dfa6a2c1564a57c1d51817d952beeeb860a2c
Malware Config
Extracted
-
quasar
-
1.4.1
-
Office04
-
192.168.1.101:4782
-
20f2b2b5-8392-4fbe-9585-0778c516b863
-
encryption_key
3A9499E06EC8E749CF7AE8F7D466BD97D9B2380C
-
install_name
Client.exe
-
log_directory
Logs
-
reconnect_delay
3000
-
startup_key
Quasar Client Startup
-
subdirectory
SubDir
Signatures
- Quasar RAT
Quasar is an open source Remote Access Tool.
- Quasar family
- Quasar payload 2 IoCs
- Executes dropped EXE 1 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 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\GoreboxModMenu1.2.0.exe"C:\Users\Admin\AppData\Local\Temp\GoreboxModMenu1.2.0.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SYSTEM32\schtasks.exe"schtasks" /create /tn "Quasar Client Startup" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe" /rl HIGHEST /f2⤵
- Scheduled Task/Job: Scheduled Task
-
-
C:\Users\Admin\AppData\Roaming\SubDir\Client.exe"C:\Users\Admin\AppData\Roaming\SubDir\Client.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 "Quasar Client Startup" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe" /rl HIGHEST /f3⤵
- Scheduled Task/Job: Scheduled Task
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
Client.exe
memory/2208-0-0x00007FF940713000-0x00007FF940715000-memory.dmp
memory/2208-1-0x0000000000E80000-0x00000000011A4000-memory.dmp
memory/2208-2-0x00007FF940710000-0x00007FF9411D1000-memory.dmp
memory/2208-10-0x00007FF940710000-0x00007FF9411D1000-memory.dmp
memory/2848-9-0x00007FF940710000-0x00007FF9411D1000-memory.dmp
memory/2848-11-0x00007FF940710000-0x00007FF9411D1000-memory.dmp
memory/2848-12-0x000000001C6C0000-0x000000001C710000-memory.dmp
memory/2848-13-0x000000001C7D0000-0x000000001C882000-memory.dmp
memory/2848-14-0x00007FF940710000-0x00007FF9411D1000-memory.dmp