Analysis
- max time kernel
150s - max time network
149s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
18/09/2026, 11:34
General
- Target nchmct.info.exe
- Size 3.1MB
- Sample260918-npg6bseb87
- SHA256 4c601f88e0cd5f94829ceb114d06dc9c98614d06f0565e02b1f592800b583e6d
Malware Config
Extracted
-
quasar
-
1.4.1
-
Office04
-
nchmct.info:443
-
www.nchmct.info:443
-
nchmct.info:80
-
www.nchmct.info:80
-
377af7a5-acd4-4091-8ca5-3d226706be6a
-
encryption_key
ED3227F773701D05083B11A65776F95F93EEEF5E
-
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 1 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 2 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\nchmct.info.exe"C:\Users\Admin\AppData\Local\Temp\nchmct.info.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
-
-
-
C:\Users\Admin\AppData\Roaming\SubDir\Client.exeC:\Users\Admin\AppData\Roaming\SubDir\Client.exe1⤵
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k GPSvcGroup1⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
Client.exe
memory/3820-24-0x00007FF85DBF0000-0x00007FF85E594000-memory.dmp
memory/3820-22-0x00007FF85DBF0000-0x00007FF85E594000-memory.dmp
memory/3820-28-0x000000001CB00000-0x000000001CB50000-memory.dmp
memory/3820-26-0x00007FF85DBF0000-0x00007FF85E594000-memory.dmp
memory/3820-25-0x00007FF85DBF0000-0x00007FF85E594000-memory.dmp
memory/3820-15-0x00007FF85DBF0000-0x00007FF85E594000-memory.dmp
memory/3820-23-0x00007FF85DBF0000-0x00007FF85E594000-memory.dmp
memory/3820-29-0x000000001CC10000-0x000000001CCC2000-memory.dmp
memory/3820-21-0x00007FF85DBF0000-0x00007FF85E594000-memory.dmp
memory/3820-19-0x00007FF85DBF0000-0x00007FF85E594000-memory.dmp
memory/3820-18-0x00007FF85DBF0000-0x00007FF85E594000-memory.dmp
memory/3820-17-0x00007FF85DBF0000-0x00007FF85E594000-memory.dmp
memory/3820-30-0x00007FF85DBF0000-0x00007FF85E594000-memory.dmp
memory/3820-16-0x00007FF85DBF0000-0x00007FF85E594000-memory.dmp
memory/5780-7-0x00007FF85DBF0000-0x00007FF85E594000-memory.dmp
memory/5780-14-0x00007FF85DBF0000-0x00007FF85E594000-memory.dmp
memory/5780-12-0x00007FF85DBF0000-0x00007FF85E594000-memory.dmp
memory/5780-11-0x00007FF85DBF0000-0x00007FF85E594000-memory.dmp
memory/5780-10-0x00007FF85DBF0000-0x00007FF85E594000-memory.dmp
memory/5780-20-0x00007FF85DBF0000-0x00007FF85E594000-memory.dmp
memory/5780-9-0x00007FF85DBF0000-0x00007FF85E594000-memory.dmp
memory/5780-8-0x00007FF85DBF0000-0x00007FF85E594000-memory.dmp
memory/5780-1-0x00000000003A0000-0x00000000006C4000-memory.dmp
memory/5780-6-0x00007FF85DBF0000-0x00007FF85E594000-memory.dmp
memory/5780-5-0x00007FF85DBF0000-0x00007FF85E594000-memory.dmp
memory/5780-4-0x00007FF85DBF0000-0x00007FF85E594000-memory.dmp
memory/5780-3-0x00007FF85DBF0000-0x00007FF85E594000-memory.dmp
memory/5780-2-0x00007FF85DBF0000-0x00007FF85E594000-memory.dmp
memory/5780-0-0x00007FF85DD7F000-0x00007FF85DD80000-memory.dmp