Analysis
- max time kernel
132s - max time network
148s - platform
windows10-2004_x64 - resource
win10v2004-20231222-en - resource tags
- submitted
28/01/2024, 00:03
General
- Target Visionary V3.exe
- Size 3.1MB
- Sample240128-accs7aggfp
- SHA256 21caf446fa419e285fdf3412628b727bec3ef981810122587ecf5a4e51b7adc2
Malware Config
Extracted
-
quasar
-
1.4.1
-
Office04
-
192.168.1.80:4782
-
192.168.56.1:4782
-
192.168.1.254:4782
-
6ad5f199-f252-465a-b717-9dd5b4a20516
-
encryption_key
0F1F3A5607006AB737BEF11D409223FCD4907812
-
install_name
Microsoft.exe
-
log_directory
Logs
-
reconnect_delay
0
-
startup_key
Microsoft
-
subdirectory
SubDir
Signatures
- Quasar RAT
Quasar is an open source Remote Access Tool.
- Quasar payload 3 IoCs
- Executes dropped EXE 1 IoCs
- Adds Run key to start application 2 TTPs 2 IoCs
- Creates scheduled task(s) 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\Visionary V3.exe"C:\Users\Admin\AppData\Local\Temp\Visionary V3.exe"1⤵
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SYSTEM32\schtasks.exe"schtasks" /create /tn "Microsoft" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\Microsoft.exe" /rl HIGHEST /f2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Roaming\SubDir\Microsoft.exe"C:\Users\Admin\AppData\Roaming\SubDir\Microsoft.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Windows\SYSTEM32\schtasks.exe"schtasks" /create /tn "Microsoft" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\Microsoft.exe" /rl HIGHEST /f3⤵
- Creates scheduled task(s)
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
Microsoft.exe
Microsoft.exe
memory/2192-9-0x00007FF8637B0000-0x00007FF864271000-memory.dmp
memory/2192-11-0x000000001B1F0000-0x000000001B200000-memory.dmp
memory/2192-12-0x000000001B940000-0x000000001B990000-memory.dmp
memory/2192-13-0x000000001BA50000-0x000000001BB02000-memory.dmp
memory/2192-14-0x00007FF8637B0000-0x00007FF864271000-memory.dmp
memory/2192-15-0x000000001B1F0000-0x000000001B200000-memory.dmp
memory/2604-0-0x0000000000940000-0x0000000000C64000-memory.dmp
memory/2604-1-0x00007FF8637B0000-0x00007FF864271000-memory.dmp
memory/2604-2-0x000000001B820000-0x000000001B830000-memory.dmp
memory/2604-10-0x00007FF8637B0000-0x00007FF864271000-memory.dmp