Analysis
- max time kernel
295s - max time network
300s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
- submitted
02/08/2024, 22:41
General
- Target Rust_Cheat.exe
- Size 3.1MB
- Sample240802-2l36aayakc
- SHA256 2782b81831c575738375efcfdf7a5b8585f68062335990961c93cc4e09df60ad
Malware Config
Extracted
-
quasar
-
1.4.1
-
Rust_Cheat
-
Decievability-51624.portmap.host:51624
-
551af51f-5457-4dc7-8f8a-6a2c5197599c
-
encryption_key
21D46989A42BE7A28C35A98B4E514E4E4638F38F
-
install_name
Rust_Cheat.exe
-
log_directory
Logs
-
reconnect_delay
3000
-
startup_key
System
-
subdirectory
SubDir
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
- 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\Rust_Cheat.exe"C:\Users\Admin\AppData\Local\Temp\Rust_Cheat.exe"1⤵
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SYSTEM32\schtasks.exe"schtasks" /create /tn "System" /sc ONLOGON /tr "C:\Windows\system32\SubDir\Rust_Cheat.exe" /rl HIGHEST /f2⤵
- Scheduled Task/Job: Scheduled Task
-
-
C:\Windows\system32\SubDir\Rust_Cheat.exe"C:\Windows\system32\SubDir\Rust_Cheat.exe"2⤵
- Executes dropped EXE
- Drops file in System32 directory
- 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 "System" /sc ONLOGON /tr "C:\Windows\system32\SubDir\Rust_Cheat.exe" /rl HIGHEST /f3⤵
- Scheduled Task/Job: Scheduled Task
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
Rust_Cheat.exe.log
Rust_Cheat.exe
memory/2560-0-0x00007FF83DCD3000-0x00007FF83DCD5000-memory.dmp
memory/2560-1-0x0000000000ED0000-0x00000000011F4000-memory.dmp
memory/2560-2-0x00007FF83DCD0000-0x00007FF83E791000-memory.dmp
memory/2560-11-0x00007FF83DCD0000-0x00007FF83E791000-memory.dmp
memory/4576-10-0x00007FF83DCD0000-0x00007FF83E791000-memory.dmp
memory/4576-12-0x00007FF83DCD0000-0x00007FF83E791000-memory.dmp
memory/4576-13-0x000000001C900000-0x000000001C950000-memory.dmp
memory/4576-14-0x000000001CA10000-0x000000001CAC2000-memory.dmp
memory/4576-15-0x00007FF83DCD0000-0x00007FF83E791000-memory.dmp