Analysis
- max time kernel
149s - max time network
151s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260710-en - resource tags
- submitted
14/07/2026, 12:25
General
- Target qrj3292.exe
- Size 3.4MB
- Sample260714-pllvsaez9w
- SHA256 1066003052bf79de8ab4f07bb7ff3dc980a8622b9175ef714a6df5dd01d517b7
Malware Config
Extracted
-
quasar
-
1.4.1
-
Office04
-
62.60.226.185:6003
-
4b633808-0fa3-4ed7-889c-40069c4990ed
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encryption_key
B85AB05112C6848CCF2DD6889903E1268CDC6A75
-
install_name
Client.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 WriteProcessMemory 2 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\qrj3292.exe"C:\Users\Admin\AppData\Local\Temp\qrj3292.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
-
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
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-
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C:\Users\Admin\AppData\Roaming\SubDir\Client.exeC:\Users\Admin\AppData\Roaming\SubDir\Client.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
Client.exe
memory/3428-24-0x00007FFE9BE90000-0x00007FFE9C834000-memory.dmp
memory/3428-18-0x00007FFE9BE90000-0x00007FFE9C834000-memory.dmp
memory/3428-33-0x00007FFE9BE90000-0x00007FFE9C834000-memory.dmp
memory/3428-32-0x000000001D530000-0x000000001D5E2000-memory.dmp
memory/3428-31-0x000000001D420000-0x000000001D470000-memory.dmp
memory/3428-29-0x00007FFE9BE90000-0x00007FFE9C834000-memory.dmp
memory/3428-28-0x00007FFE9BE90000-0x00007FFE9C834000-memory.dmp
memory/3428-27-0x00007FFE9BE90000-0x00007FFE9C834000-memory.dmp
memory/3428-17-0x00007FFE9BE90000-0x00007FFE9C834000-memory.dmp
memory/3428-25-0x00007FFE9BE90000-0x00007FFE9C834000-memory.dmp
memory/3428-23-0x00007FFE9BE90000-0x00007FFE9C834000-memory.dmp
memory/3428-22-0x00007FFE9BE90000-0x00007FFE9C834000-memory.dmp
memory/3428-21-0x00007FFE9BE90000-0x00007FFE9C834000-memory.dmp
memory/3428-20-0x00007FFE9BE90000-0x00007FFE9C834000-memory.dmp
memory/3428-19-0x00007FFE9BE90000-0x00007FFE9C834000-memory.dmp
memory/3428-16-0x00007FFE9BE90000-0x00007FFE9C834000-memory.dmp
memory/4692-10-0x00007FFE9BE90000-0x00007FFE9C834000-memory.dmp
memory/4692-0-0x00007FFE9C01F000-0x00007FFE9C020000-memory.dmp
memory/4692-2-0x00007FFE9BE90000-0x00007FFE9C834000-memory.dmp
memory/4692-14-0x00007FFE9BE90000-0x00007FFE9C834000-memory.dmp
memory/4692-13-0x00007FFE9BE90000-0x00007FFE9C834000-memory.dmp
memory/4692-12-0x00007FFE9BE90000-0x00007FFE9C834000-memory.dmp
memory/4692-1-0x0000000000F00000-0x0000000001270000-memory.dmp
memory/4692-11-0x00007FFE9BE90000-0x00007FFE9C834000-memory.dmp
memory/4692-26-0x00007FFE9BE90000-0x00007FFE9C834000-memory.dmp
memory/4692-9-0x00007FFE9BE90000-0x00007FFE9C834000-memory.dmp
memory/4692-8-0x00007FFE9BE90000-0x00007FFE9C834000-memory.dmp
memory/4692-7-0x00007FFE9BE90000-0x00007FFE9C834000-memory.dmp
memory/4692-6-0x00007FFE9BE90000-0x00007FFE9C834000-memory.dmp
memory/4692-5-0x00007FFE9BE90000-0x00007FFE9C834000-memory.dmp
memory/4692-4-0x00007FFE9BE90000-0x00007FFE9C834000-memory.dmp
memory/4692-3-0x00007FFE9BE90000-0x00007FFE9C834000-memory.dmp