Analysis
- max time kernel
133s - max time network
135s - platform
windows11-21h2_x64 - resource
win11-20260911-en - resource tags
- submitted
29/10/2026, 04:36
General
- Target blastermaster new/crss (2).exe
- Size 952KB
- Sample261029-e8cwaaat3k
- SHA256 e55f352c33ff90031bb2a2a45999c1ba2603efbd1420a28b821df377f79db097
Malware Config
Extracted
-
quasar
-
encryption_key
CD1329FC374DEEBE79332CB998E1560FF1C58C98
-
key_salt
5a23f8394640cb9e40658446a04c0bbae82dc93d0470e1b2a406a90fd2520382
-
reconnect_delay
3000
Signatures
- Family: Quasar RAT
Quasar is an open source Remote Access Tool.
- PulsaRAT library module 3 IoCs
Core component of the PulsaRAT remote access trojan, implementing its command protocol for hidden remote desktop, UAC bypass, persistence, and credential theft.
- Quasar payload 2 IoCs
- Executes dropped EXE 2 IoCs
- Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs
The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.
- Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: AddClipboardFormatListener 1 IoCs
- 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\blastermaster new\crss (2).exe"C:\Users\Admin\AppData\Local\Temp\blastermaster new\crss (2).exe"1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SYSTEM32\schtasks.exe"schtasks" /create /tn "GamingService" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\GameOfGame\GamingService.exe" /rl HIGHEST /f2⤵
- Scheduled Task/Job: Scheduled Task
-
-
C:\Users\Admin\AppData\Roaming\GameOfGame\GamingService.exe"C:\Users\Admin\AppData\Roaming\GameOfGame\GamingService.exe"2⤵
- Executes dropped EXE
- Reads the TCP/IP host and domain name from the registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SYSTEM32\schtasks.exe"schtasks" /create /tn "GamingService" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\GameOfGame\GamingService.exe" /rl HIGHEST /f3⤵
- Scheduled Task/Job: Scheduled Task
-
-
-
C:\Users\Admin\AppData\Roaming\GameOfGame\GamingService.exeC:\Users\Admin\AppData\Roaming\GameOfGame\GamingService.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
GamingService.exe
memory/4160-9-0x0000018BE0430000-0x0000018BE0440000-memory.dmp
memory/4160-12-0x0000018BE0430000-0x0000018BE0440000-memory.dmp
memory/4160-13-0x0000018BE03F0000-0x0000018BE0428000-memory.dmp
memory/5124-0-0x00000225E4510000-0x00000225E4604000-memory.dmp
memory/5124-1-0x00000225FEC00000-0x00000225FEC10000-memory.dmp
memory/5124-2-0x00000225E4A40000-0x00000225E4A74000-memory.dmp