Analysis
- max time kernel
149s - max time network
149s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
18/10/2026, 06:02
General
- Target grupokcm.co.exe
- Size 3.1MB
- Sample261018-grrn8avvez
- SHA256 427cf01ad6b0623c1a754a81bc71cfadd03aa6c61df33b9c6470f1b0d4a3825b
Malware Config
Extracted
-
quasar
-
1.4.1
-
Office04
-
grupokcm.co:443
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www.grupokcm.co:443
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grupokcm.co:80
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www.grupokcm.co:80
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6686a62e-fe21-481f-9599-058c913783f7
-
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 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 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\grupokcm.co.exe"C:\Users\Admin\AppData\Local\Temp\grupokcm.co.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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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
- 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 /f3⤵
- Scheduled Task/Job: Scheduled Task
-
-
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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
Loading Replay Monitor...
Downloads
Client.exe
memory/4352-24-0x00007FFD97260000-0x00007FFD97C04000-memory.dmp
memory/4352-23-0x00007FFD97260000-0x00007FFD97C04000-memory.dmp
memory/4352-32-0x00007FFD97260000-0x00007FFD97C04000-memory.dmp
memory/4352-31-0x00007FFD97260000-0x00007FFD97C04000-memory.dmp
memory/4352-29-0x000000001CC80000-0x000000001CCD0000-memory.dmp
memory/4352-30-0x000000001CD90000-0x000000001CE42000-memory.dmp
memory/4352-26-0x00007FFD97260000-0x00007FFD97C04000-memory.dmp
memory/4352-27-0x00007FFD97260000-0x00007FFD97C04000-memory.dmp
memory/4352-25-0x00007FFD97260000-0x00007FFD97C04000-memory.dmp
memory/4352-15-0x00007FFD97260000-0x00007FFD97C04000-memory.dmp
memory/4352-22-0x00007FFD97260000-0x00007FFD97C04000-memory.dmp
memory/4352-21-0x00007FFD97260000-0x00007FFD97C04000-memory.dmp
memory/4352-20-0x00007FFD97260000-0x00007FFD97C04000-memory.dmp
memory/4352-14-0x00007FFD97260000-0x00007FFD97C04000-memory.dmp
memory/4352-16-0x00007FFD97260000-0x00007FFD97C04000-memory.dmp
memory/4352-17-0x00007FFD97260000-0x00007FFD97C04000-memory.dmp
memory/4352-19-0x00007FFD97260000-0x00007FFD97C04000-memory.dmp
memory/4352-18-0x00007FFD97260000-0x00007FFD97C04000-memory.dmp
memory/4964-4-0x00007FFD97260000-0x00007FFD97C04000-memory.dmp
memory/4964-12-0x00007FFD97260000-0x00007FFD97C04000-memory.dmp
memory/4964-13-0x00007FFD97260000-0x00007FFD97C04000-memory.dmp
memory/4964-1-0x0000000000D50000-0x0000000001074000-memory.dmp
memory/4964-10-0x00007FFD97260000-0x00007FFD97C04000-memory.dmp
memory/4964-8-0x00007FFD97260000-0x00007FFD97C04000-memory.dmp
memory/4964-0-0x00007FFD973EF000-0x00007FFD973F0000-memory.dmp
memory/4964-2-0x00007FFD97260000-0x00007FFD97C04000-memory.dmp
memory/4964-7-0x00007FFD97260000-0x00007FFD97C04000-memory.dmp
memory/4964-6-0x00007FFD97260000-0x00007FFD97C04000-memory.dmp
memory/4964-5-0x00007FFD97260000-0x00007FFD97C04000-memory.dmp
memory/4964-9-0x00007FFD97260000-0x00007FFD97C04000-memory.dmp
memory/4964-3-0x00007FFD97260000-0x00007FFD97C04000-memory.dmp