Analysis
- max time kernel
150s - max time network
150s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
24/08/2026, 09:12
General
- Target seolink.in.net.exe
- Size 3.1MB
- Sample260824-k57jdaverd
- SHA256 48fbad67669c0b0f6326b1b2d879e94935899a9c8d13a7c916818db0d06ff75c
Malware Config
Extracted
-
quasar
-
1.4.1
-
Office04
-
seolink.in.net:443
-
www.seolink.in.net:443
-
seolink.in.net:80
-
www.seolink.in.net:80
-
53bb4426-2aa5-4992-b4b4-33ec9d192390
-
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
- Executes a command shell one-liner 1 TTPs 8 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
- System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 8 IoCs
Adversaries may check for Internet connectivity on compromised systems.
- Runs ping.exe 1 TTPs 8 IoCs
- Scheduled Task/Job: Scheduled Task 1 TTPs 9 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 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\seolink.in.net.exe"C:\Users\Admin\AppData\Local\Temp\seolink.in.net.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:\Users\Admin\AppData\Roaming\SubDir\Client.exeC:\Users\Admin\AppData\Roaming\SubDir\Client.exe1⤵
- 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 /f2⤵
- Scheduled Task/Job: Scheduled Task
-
-
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\J6EUC6IcsLU6.bat" "2⤵
- Executes a command shell one-liner
-
C:\Windows\system32\chcp.comchcp 650013⤵
-
-
C:\Windows\system32\PING.EXEping -n 10 localhost3⤵
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
-
-
C:\Users\Admin\AppData\Roaming\SubDir\Client.exe"C:\Users\Admin\AppData\Roaming\SubDir\Client.exe"3⤵
-
C:\Windows\SYSTEM32\schtasks.exe"schtasks" /create /tn "Quasar Client Startup" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe" /rl HIGHEST /f4⤵
- Scheduled Task/Job: Scheduled Task
-
-
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\BpmNukTSsMGT.bat" "4⤵
- Executes a command shell one-liner
-
C:\Windows\system32\chcp.comchcp 650015⤵
-
-
C:\Windows\system32\PING.EXEping -n 10 localhost5⤵
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
-
-
C:\Users\Admin\AppData\Roaming\SubDir\Client.exe"C:\Users\Admin\AppData\Roaming\SubDir\Client.exe"5⤵
-
C:\Windows\SYSTEM32\schtasks.exe"schtasks" /create /tn "Quasar Client Startup" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe" /rl HIGHEST /f6⤵
- Scheduled Task/Job: Scheduled Task
-
-
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\P8jzgPY3BnFK.bat" "6⤵
- Executes a command shell one-liner
-
C:\Windows\system32\chcp.comchcp 650017⤵
-
-
C:\Windows\system32\PING.EXEping -n 10 localhost7⤵
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
-
-
C:\Users\Admin\AppData\Roaming\SubDir\Client.exe"C:\Users\Admin\AppData\Roaming\SubDir\Client.exe"7⤵
-
C:\Windows\SYSTEM32\schtasks.exe"schtasks" /create /tn "Quasar Client Startup" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe" /rl HIGHEST /f8⤵
- Scheduled Task/Job: Scheduled Task
-
-
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\5LNtw4CabvJC.bat" "8⤵
- Executes a command shell one-liner
-
C:\Windows\system32\chcp.comchcp 650019⤵
-
-
C:\Windows\system32\PING.EXEping -n 10 localhost9⤵
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
-
-
C:\Users\Admin\AppData\Roaming\SubDir\Client.exe"C:\Users\Admin\AppData\Roaming\SubDir\Client.exe"9⤵
-
C:\Windows\SYSTEM32\schtasks.exe"schtasks" /create /tn "Quasar Client Startup" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe" /rl HIGHEST /f10⤵
- Scheduled Task/Job: Scheduled Task
-
-
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\ZvaUjRdavoGQ.bat" "10⤵
- Executes a command shell one-liner
-
C:\Windows\system32\chcp.comchcp 6500111⤵
-
-
C:\Windows\system32\PING.EXEping -n 10 localhost11⤵
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
-
-
C:\Users\Admin\AppData\Roaming\SubDir\Client.exe"C:\Users\Admin\AppData\Roaming\SubDir\Client.exe"11⤵
-
C:\Windows\SYSTEM32\schtasks.exe"schtasks" /create /tn "Quasar Client Startup" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe" /rl HIGHEST /f12⤵
- Scheduled Task/Job: Scheduled Task
-
-
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\2Hn2lXzN0I7J.bat" "12⤵
- Executes a command shell one-liner
-
C:\Windows\system32\chcp.comchcp 6500113⤵
-
-
C:\Windows\system32\PING.EXEping -n 10 localhost13⤵
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
-
-
C:\Users\Admin\AppData\Roaming\SubDir\Client.exe"C:\Users\Admin\AppData\Roaming\SubDir\Client.exe"13⤵
-
C:\Windows\SYSTEM32\schtasks.exe"schtasks" /create /tn "Quasar Client Startup" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe" /rl HIGHEST /f14⤵
- Scheduled Task/Job: Scheduled Task
-
-
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\GBlvNUlkq3X6.bat" "14⤵
- Executes a command shell one-liner
-
C:\Windows\system32\chcp.comchcp 6500115⤵
-
-
C:\Windows\system32\PING.EXEping -n 10 localhost15⤵
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
-
-
C:\Users\Admin\AppData\Roaming\SubDir\Client.exe"C:\Users\Admin\AppData\Roaming\SubDir\Client.exe"15⤵
-
C:\Windows\SYSTEM32\schtasks.exe"schtasks" /create /tn "Quasar Client Startup" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe" /rl HIGHEST /f16⤵
- Scheduled Task/Job: Scheduled Task
-
-
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\eotBYDRmev3s.bat" "16⤵
- Executes a command shell one-liner
-
C:\Windows\system32\chcp.comchcp 6500117⤵
-
-
C:\Windows\system32\PING.EXEping -n 10 localhost17⤵
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
2Hn2lXzN0I7J.bat
5LNtw4CabvJC.bat
BpmNukTSsMGT.bat
GBlvNUlkq3X6.bat
J6EUC6IcsLU6.bat
P8jzgPY3BnFK.bat
ZvaUjRdavoGQ.bat
eotBYDRmev3s.bat
Client.exe
memory/2228-33-0x00007FFC14FB0000-0x00007FFC15954000-memory.dmp
memory/2228-29-0x00007FFC14FB0000-0x00007FFC15954000-memory.dmp
memory/2228-28-0x00007FFC14FB0000-0x00007FFC15954000-memory.dmp
memory/2228-27-0x00007FFC14FB0000-0x00007FFC15954000-memory.dmp
memory/2228-26-0x00007FFC14FB0000-0x00007FFC15954000-memory.dmp
memory/2228-25-0x00007FFC14FB0000-0x00007FFC15954000-memory.dmp
memory/2228-23-0x00007FFC14FB0000-0x00007FFC15954000-memory.dmp
memory/2228-24-0x00007FFC14FB0000-0x00007FFC15954000-memory.dmp
memory/2228-17-0x00007FFC14FB0000-0x00007FFC15954000-memory.dmp
memory/2228-18-0x00007FFC14FB0000-0x00007FFC15954000-memory.dmp
memory/2228-19-0x00007FFC14FB0000-0x00007FFC15954000-memory.dmp
memory/2228-20-0x00007FFC14FB0000-0x00007FFC15954000-memory.dmp
memory/2228-21-0x00007FFC14FB0000-0x00007FFC15954000-memory.dmp
memory/2228-22-0x00007FFC14FB0000-0x00007FFC15954000-memory.dmp
memory/3172-31-0x000000001CF30000-0x000000001CF80000-memory.dmp
memory/3172-32-0x000000001D040000-0x000000001D0F2000-memory.dmp
memory/3536-9-0x00007FFC14FB0000-0x00007FFC15954000-memory.dmp
memory/3536-7-0x00007FFC14FB0000-0x00007FFC15954000-memory.dmp
memory/3536-12-0x00007FFC14FB0000-0x00007FFC15954000-memory.dmp
memory/3536-11-0x00007FFC14FB0000-0x00007FFC15954000-memory.dmp
memory/3536-10-0x00007FFC14FB0000-0x00007FFC15954000-memory.dmp
memory/3536-0-0x00007FFC1513F000-0x00007FFC15140000-memory.dmp
memory/3536-13-0x00007FFC14FB0000-0x00007FFC15954000-memory.dmp
memory/3536-14-0x00007FFC14FB0000-0x00007FFC15954000-memory.dmp
memory/3536-8-0x00007FFC14FB0000-0x00007FFC15954000-memory.dmp
memory/3536-16-0x00007FFC14FB0000-0x00007FFC15954000-memory.dmp
memory/3536-6-0x00007FFC14FB0000-0x00007FFC15954000-memory.dmp
memory/3536-5-0x00007FFC14FB0000-0x00007FFC15954000-memory.dmp
memory/3536-4-0x00007FFC14FB0000-0x00007FFC15954000-memory.dmp
memory/3536-3-0x00007FFC14FB0000-0x00007FFC15954000-memory.dmp
memory/3536-2-0x00007FFC14FB0000-0x00007FFC15954000-memory.dmp
memory/3536-1-0x00000000004E0000-0x0000000000804000-memory.dmp