Analysis
- user interaction
yes - max time kernel
149s - max time network
150s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
05/08/2026, 00:03
General
- Target Pulsar-Client.exe
- Size 956KB
- Sample260805-ab78pstcpe
- SHA256 8ae2800a6e1766f9582ceb8027da3195dddbfe2308187a254c8e58deeabf0f60
Malware Config
Extracted
-
quasar
-
encryption_key
E66FCA7C0773714DF2003E407DCBA5090BD781CE
-
key_salt
5a23f8394640cb9e40658446a04c0bbae82dc93d0470e1b2a406a90fd2520382
-
reconnect_delay
3000
Signatures
- Family: Quasar RAT
Quasar is an open source Remote Access Tool.
- Quasar payload 2 IoCs
- Executes dropped EXE 4 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 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\Pulsar-Client.exe"C:\Users\Admin\AppData\Local\Temp\Pulsar-Client.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SYSTEM32\schtasks.exe"schtasks" /create /tn "RobloxPlayerBeta" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\RobloxPlayerBeta.exe" /rl HIGHEST /f2⤵
- Scheduled Task/Job: Scheduled Task
-
-
C:\Users\Admin\AppData\Roaming\SubDir\RobloxPlayerBeta.exe"C:\Users\Admin\AppData\Roaming\SubDir\RobloxPlayerBeta.exe"2⤵
- Executes dropped EXE
-
-
C:\Users\Admin\AppData\Roaming\SubDir\RobloxPlayerBeta.exe"C:\Users\Admin\AppData\Roaming\SubDir\RobloxPlayerBeta.exe"2⤵
- Executes dropped EXE
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SYSTEM32\schtasks.exe"schtasks" /create /tn "RobloxPlayerBeta" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\RobloxPlayerBeta.exe" /rl HIGHEST /f3⤵
- Scheduled Task/Job: Scheduled Task
-
-
-
C:\Users\Admin\AppData\Roaming\SubDir\RobloxPlayerBeta.exeC:\Users\Admin\AppData\Roaming\SubDir\RobloxPlayerBeta.exe1⤵
- Executes dropped EXE
-
C:\Users\Admin\AppData\Roaming\SubDir\RobloxPlayerBeta.exeC:\Users\Admin\AppData\Roaming\SubDir\RobloxPlayerBeta.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
RobloxPlayerBeta.exe
memory/1092-25-0x00007FFC682F0000-0x00007FFC68C94000-memory.dmp
memory/1092-24-0x00007FFC682F0000-0x00007FFC68C94000-memory.dmp
memory/1092-34-0x000001AC685E0000-0x000001AC6861E000-memory.dmp
memory/1092-33-0x00007FFC682F0000-0x00007FFC68C94000-memory.dmp
memory/1092-30-0x00007FFC682F0000-0x00007FFC68C94000-memory.dmp
memory/1092-26-0x00007FFC682F0000-0x00007FFC68C94000-memory.dmp
memory/1092-29-0x00007FFC682F0000-0x00007FFC68C94000-memory.dmp
memory/1092-28-0x00007FFC682F0000-0x00007FFC68C94000-memory.dmp
memory/1092-27-0x00007FFC682F0000-0x00007FFC68C94000-memory.dmp
memory/1092-17-0x000001AC4EAE0000-0x000001AC4EB14000-memory.dmp
memory/1092-23-0x00007FFC682F0000-0x00007FFC68C94000-memory.dmp
memory/1092-22-0x00007FFC682F0000-0x00007FFC68C94000-memory.dmp
memory/1092-21-0x00007FFC682F0000-0x00007FFC68C94000-memory.dmp
memory/1092-16-0x00007FFC682F0000-0x00007FFC68C94000-memory.dmp
memory/1092-19-0x00007FFC682F0000-0x00007FFC68C94000-memory.dmp
memory/1092-18-0x00007FFC682F0000-0x00007FFC68C94000-memory.dmp
memory/1092-20-0x00007FFC682F0000-0x00007FFC68C94000-memory.dmp
memory/5804-7-0x00007FFC682F0000-0x00007FFC68C94000-memory.dmp
memory/5804-4-0x00007FFC682F0000-0x00007FFC68C94000-memory.dmp
memory/5804-1-0x000002678E850000-0x000002678E944000-memory.dmp
memory/5804-12-0x00007FFC682F0000-0x00007FFC68C94000-memory.dmp
memory/5804-11-0x00007FFC682F0000-0x00007FFC68C94000-memory.dmp
memory/5804-2-0x00007FFC682F0000-0x00007FFC68C94000-memory.dmp
memory/5804-8-0x00007FFC682F0000-0x00007FFC68C94000-memory.dmp
memory/5804-9-0x00007FFC682F0000-0x00007FFC68C94000-memory.dmp
memory/5804-15-0x00007FFC682F0000-0x00007FFC68C94000-memory.dmp
memory/5804-0-0x00007FFC6847F000-0x00007FFC68480000-memory.dmp
memory/5804-6-0x000002678EDC0000-0x000002678EDF4000-memory.dmp
memory/5804-5-0x00007FFC682F0000-0x00007FFC68C94000-memory.dmp
memory/5804-10-0x00007FFC682F0000-0x00007FFC68C94000-memory.dmp
memory/5804-3-0x00007FFC682F0000-0x00007FFC68C94000-memory.dmp