Analysis
- user interaction
yes - max time kernel
299s - max time network
295s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
05/08/2026, 00:00
General
- Target Pulsar-Client.exe
- Size 956KB
- Sample260805-aas3dsae95
- SHA256 d22e40f6bae4b25850cc0e2e3d703c54af37094b79da680bc32b034ef532836e
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
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Downloads
RobloxPlayerBeta.exe
memory/2608-28-0x00007FF8EA810000-0x00007FF8EB1B4000-memory.dmp
memory/2608-27-0x00007FF8EA810000-0x00007FF8EB1B4000-memory.dmp
memory/2608-38-0x000001E0D3C00000-0x000001E0D3C3E000-memory.dmp
memory/2608-37-0x00007FF8EA810000-0x00007FF8EB1B4000-memory.dmp
memory/2608-33-0x00007FF8EA810000-0x00007FF8EB1B4000-memory.dmp
memory/2608-32-0x00007FF8EA810000-0x00007FF8EB1B4000-memory.dmp
memory/2608-31-0x00007FF8EA810000-0x00007FF8EB1B4000-memory.dmp
memory/2608-30-0x00007FF8EA810000-0x00007FF8EB1B4000-memory.dmp
memory/2608-29-0x00007FF8EA810000-0x00007FF8EB1B4000-memory.dmp
memory/2608-26-0x00007FF8EA810000-0x00007FF8EB1B4000-memory.dmp
memory/2608-25-0x00007FF8EA810000-0x00007FF8EB1B4000-memory.dmp
memory/2608-23-0x00007FF8EA810000-0x00007FF8EB1B4000-memory.dmp
memory/2608-24-0x00007FF8EA810000-0x00007FF8EB1B4000-memory.dmp
memory/2608-22-0x00007FF8EA810000-0x00007FF8EB1B4000-memory.dmp
memory/2608-19-0x00007FF8EA810000-0x00007FF8EB1B4000-memory.dmp
memory/2608-20-0x000001E0B9AD0000-0x000001E0B9B04000-memory.dmp
memory/2608-21-0x00007FF8EA810000-0x00007FF8EB1B4000-memory.dmp
memory/4332-0-0x00007FF8EA99F000-0x00007FF8EA9A0000-memory.dmp
memory/4332-9-0x00007FF8EA810000-0x00007FF8EB1B4000-memory.dmp
memory/4332-18-0x00007FF8EA810000-0x00007FF8EB1B4000-memory.dmp
memory/4332-14-0x00007FF8EA810000-0x00007FF8EB1B4000-memory.dmp
memory/4332-13-0x00007FF8EA810000-0x00007FF8EB1B4000-memory.dmp
memory/4332-12-0x00007FF8EA810000-0x00007FF8EB1B4000-memory.dmp
memory/4332-11-0x00007FF8EA810000-0x00007FF8EB1B4000-memory.dmp
memory/4332-2-0x00007FF8EA810000-0x00007FF8EB1B4000-memory.dmp
memory/4332-1-0x000001CA14740000-0x000001CA14834000-memory.dmp
memory/4332-10-0x00007FF8EA810000-0x00007FF8EB1B4000-memory.dmp
memory/4332-15-0x00007FF8EA810000-0x00007FF8EB1B4000-memory.dmp
memory/4332-8-0x00007FF8EA810000-0x00007FF8EB1B4000-memory.dmp
memory/4332-7-0x00007FF8EA810000-0x00007FF8EB1B4000-memory.dmp
memory/4332-6-0x00007FF8EA810000-0x00007FF8EB1B4000-memory.dmp
memory/4332-3-0x00007FF8EA810000-0x00007FF8EB1B4000-memory.dmp
memory/4332-5-0x000001CA164D0000-0x000001CA16504000-memory.dmp
memory/4332-4-0x00007FF8EA810000-0x00007FF8EB1B4000-memory.dmp
memory/4380-36-0x000001D650220000-0x000001D650254000-memory.dmp