Analysis
- max time kernel
149s - max time network
149s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
07/11/2026, 06:47
General
- Target Client-built.exe
- Size 3.1MB
- Sample261107-hkn57aws4m
- SHA256 e4e411b5c7bb76a0e0d44e60ebfa2a9c551e82dffda170c68716c41a4eefe78b
Malware Config
Extracted
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quasar
-
1.4.1
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au88
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www.youtubeinmp3.in:4782
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free.jogostorrent.co:4782
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mail.nurkhan.co.in:4782
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lyricsinhindifonts.lyrics07.in:4782
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lyrics07.in:4782
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dabrueggemann.co:4782
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hindigrammarbook.in:4782
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mu88-navya.com:4782
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mu88com.com:4782
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bigbearhug.co:4782
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rosegoldsalon.co:4782
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gamegames.buzz:4782
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livemm88.com:4782
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oneonebet.co:4782
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bjsportswear.com.co:4782
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flexcosports.com:4782
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www.incomewolf.in.net:4782
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hairdresserchristchurch.co.nz:4782
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vedascientific.co:4782
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ek-gelir.radio.fm:4782
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2fd507f3-d51b-45cf-bb39-249ff757f279
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encryption_key
61D61573755A2E8791F777F44FE72A8C404B3F90
-
install_name
Client.exe
-
key_salt
bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941
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log_directory
Logs
-
reconnect_delay
50
-
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\Client-built.exe"C:\Users\Admin\AppData\Local\Temp\Client-built.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
-
-
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C:\Users\Admin\AppData\Roaming\SubDir\Client.exeC:\Users\Admin\AppData\Roaming\SubDir\Client.exe1⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
Client.exe
memory/4568-8-0x00007FFD84F10000-0x00007FFD858B4000-memory.dmp
memory/4568-10-0x00007FFD84F10000-0x00007FFD858B4000-memory.dmp
memory/4568-3-0x00007FFD84F10000-0x00007FFD858B4000-memory.dmp
memory/4568-4-0x00007FFD84F10000-0x00007FFD858B4000-memory.dmp
memory/4568-5-0x00007FFD84F10000-0x00007FFD858B4000-memory.dmp
memory/4568-6-0x00007FFD84F10000-0x00007FFD858B4000-memory.dmp
memory/4568-2-0x00007FFD84F10000-0x00007FFD858B4000-memory.dmp
memory/4568-7-0x00007FFD84F10000-0x00007FFD858B4000-memory.dmp
memory/4568-9-0x00007FFD84F10000-0x00007FFD858B4000-memory.dmp
memory/4568-30-0x00007FFD84F10000-0x00007FFD858B4000-memory.dmp
memory/4568-11-0x00007FFD84F10000-0x00007FFD858B4000-memory.dmp
memory/4568-12-0x00007FFD84F10000-0x00007FFD858B4000-memory.dmp
memory/4568-1-0x00000000007D0000-0x0000000000AF4000-memory.dmp
memory/4568-13-0x00007FFD84F10000-0x00007FFD858B4000-memory.dmp
memory/4568-14-0x00007FFD84F10000-0x00007FFD858B4000-memory.dmp
memory/4568-0-0x00007FFD8509F000-0x00007FFD850A0000-memory.dmp
memory/4916-17-0x00007FFD84F10000-0x00007FFD858B4000-memory.dmp
memory/4916-20-0x00007FFD84F10000-0x00007FFD858B4000-memory.dmp
memory/4916-21-0x00007FFD84F10000-0x00007FFD858B4000-memory.dmp
memory/4916-22-0x00007FFD84F10000-0x00007FFD858B4000-memory.dmp
memory/4916-23-0x00007FFD84F10000-0x00007FFD858B4000-memory.dmp
memory/4916-24-0x00007FFD84F10000-0x00007FFD858B4000-memory.dmp
memory/4916-26-0x00007FFD84F10000-0x00007FFD858B4000-memory.dmp
memory/4916-27-0x00007FFD84F10000-0x00007FFD858B4000-memory.dmp
memory/4916-28-0x00007FFD84F10000-0x00007FFD858B4000-memory.dmp
memory/4916-29-0x00007FFD84F10000-0x00007FFD858B4000-memory.dmp
memory/4916-19-0x00007FFD84F10000-0x00007FFD858B4000-memory.dmp
memory/4916-25-0x00007FFD84F10000-0x00007FFD858B4000-memory.dmp
memory/4916-18-0x00007FFD84F10000-0x00007FFD858B4000-memory.dmp
memory/4916-16-0x00007FFD84F10000-0x00007FFD858B4000-memory.dmp
memory/4916-32-0x0000000003030000-0x0000000003080000-memory.dmp
memory/4916-33-0x000000001CFF0000-0x000000001D0A2000-memory.dmp
memory/4916-34-0x00007FFD84F10000-0x00007FFD858B4000-memory.dmp