Analysis
- user interaction
yes - max time kernel
149s - max time network
152s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
- submitted
08/08/2026, 18:45
General
- Target Velocity.exe
- Size 3.1MB
- Sample260808-xecbrsfa85
- SHA256 221c9e10ba435b947bbdbf1bc8651aa01e586076a0bf8ea8d7ccf192baf764be
Malware Config
Extracted
-
quasar
-
1.4.1
-
Office04
-
192.168.56.1:4782
-
205b9b2d-594b-4caf-a433-4082089b1166
-
encryption_key
EE8663926FECFC67F01E9BCDBA7FD9237BC4424A
-
install_name
Velocity.exe
-
key_salt
bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941
-
log_directory
Logs
-
reconnect_delay
3000
-
startup_key
Quasar Client Startup
-
subdirectory
SubDir
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\Velocity.exe"C:\Users\Admin\AppData\Local\Temp\Velocity.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\Velocity.exe" /rl HIGHEST /f2⤵
- Scheduled Task/Job: Scheduled Task
-
-
C:\Users\Admin\AppData\Roaming\SubDir\Velocity.exe"C:\Users\Admin\AppData\Roaming\SubDir\Velocity.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 "Quasar Client Startup" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\Velocity.exe" /rl HIGHEST /f3⤵
- Scheduled Task/Job: Scheduled Task
-
-
-
C:\Users\Admin\AppData\Roaming\SubDir\Velocity.exeC:\Users\Admin\AppData\Roaming\SubDir\Velocity.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
Velocity.exe.log
Velocity.exe
memory/904-0-0x0000000000160000-0x0000000000484000-memory.dmp
memory/904-1-0x000000001BEB0000-0x000000001BEC0000-memory.dmp
memory/1980-9-0x000000001C040000-0x000000001C050000-memory.dmp
memory/1980-11-0x000000001CCD0000-0x000000001CD20000-memory.dmp
memory/1980-12-0x000000001CDE0000-0x000000001CE92000-memory.dmp
memory/1980-13-0x000000001C040000-0x000000001C050000-memory.dmp