Analysis
- max time kernel
149s - max time network
151s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
- submitted
14/04/2026, 10:11
General
- Target mko32.exe
- Size 3.1MB
- Sample260414-l8brjsbw9v
- SHA256 76bfec771a7ad8afe96bafe0361c7d554d23710106e191a1ba89b76b4fe1b47d
Malware Config
Extracted
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quasar
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1.4.1
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https://gamesocialunder.it.com
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gamesocialunder.it.com:80
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gamesocialunder.it.com:8080
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gamesocialunder.it.com:443
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gamesocialunder.it.com:8443
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gamesocialunder.it.com:3306
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https://gamesocialunder.it.com:80
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https://gamesocialunder.it.com:8080
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https://gamesocialunder.it.com:443
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https://gamesocialunder.it.com:8443
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https://gamesocialunder.it.com:3306
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73ccb855-1714-40cc-b11e-365a8bb7081e
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encryption_key
576D1496F563366ADEBFC3046D6584BB4AD91241
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install_name
mko32.exe
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key_salt
bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941
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log_directory
Logs
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reconnect_delay
10
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startup_key
https://gamesocialunder.it.com
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subdirectory
e2bet
Signatures
- Family: Quasar RAT
Quasar is an open source Remote Access Tool.
- Quasar payload 2 IoCs
- Executes dropped EXE 5 IoCs
- Adds Run key to start application 2 TTPs 5 IoCs
- Drops file in System32 directory 2 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 3 IoCs
Adversaries may check for Internet connectivity on compromised systems.
- Runs ping.exe 1 TTPs 3 IoCs
- Scheduled Task/Job: Scheduled Task 1 TTPs 5 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious use of AdjustPrivilegeToken 6 IoCs
- Suspicious use of SetWindowsHookEx 4 IoCs
- Suspicious use of WriteProcessMemory 18 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
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C:\Users\Admin\AppData\Local\Temp\mko32.exe"C:\Users\Admin\AppData\Local\Temp\mko32.exe"1⤵
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SYSTEM32\schtasks.exe"schtasks" /create /tn "https://gamesocialunder.it.com" /sc ONLOGON /tr "C:\Windows\system32\e2bet\mko32.exe" /rl HIGHEST /f2⤵
- Scheduled Task/Job: Scheduled Task
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C:\Windows\system32\e2bet\mko32.exe"C:\Windows\system32\e2bet\mko32.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\SYSTEM32\schtasks.exe"schtasks" /create /tn "https://gamesocialunder.it.com" /sc ONLOGON /tr "C:\Windows\system32\e2bet\mko32.exe" /rl HIGHEST /f3⤵
- Scheduled Task/Job: Scheduled Task
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\2SBzJ0fFvR4K.bat" "3⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\chcp.comchcp 650014⤵
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C:\Windows\system32\PING.EXEping -n 10 localhost4⤵
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
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C:\Windows\system32\e2bet\mko32.exe"C:\Windows\system32\e2bet\mko32.exe"4⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\SYSTEM32\schtasks.exe"schtasks" /create /tn "https://gamesocialunder.it.com" /sc ONLOGON /tr "C:\Windows\system32\e2bet\mko32.exe" /rl HIGHEST /f5⤵
- Scheduled Task/Job: Scheduled Task
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\Xuc3C78TpnYB.bat" "5⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\chcp.comchcp 650016⤵
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C:\Windows\system32\PING.EXEping -n 10 localhost6⤵
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
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C:\Windows\system32\e2bet\mko32.exe"C:\Windows\system32\e2bet\mko32.exe"6⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\SYSTEM32\schtasks.exe"schtasks" /create /tn "https://gamesocialunder.it.com" /sc ONLOGON /tr "C:\Windows\system32\e2bet\mko32.exe" /rl HIGHEST /f7⤵
- Scheduled Task/Job: Scheduled Task
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\JwcIucdT6hWs.bat" "7⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\chcp.comchcp 650018⤵
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C:\Windows\system32\PING.EXEping -n 10 localhost8⤵
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
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C:\Windows\system32\e2bet\mko32.exe"C:\Windows\system32\e2bet\mko32.exe"8⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\SYSTEM32\schtasks.exe"schtasks" /create /tn "https://gamesocialunder.it.com" /sc ONLOGON /tr "C:\Windows\system32\e2bet\mko32.exe" /rl HIGHEST /f9⤵
- Scheduled Task/Job: Scheduled Task
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C:\Windows\system32\e2bet\mko32.exeC:\Windows\system32\e2bet\mko32.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v16
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Replay Monitor
Loading Replay Monitor...
Downloads
mko32.exe.log
2SBzJ0fFvR4K.bat
JwcIucdT6hWs.bat
Xuc3C78TpnYB.bat
mko32.exe
memory/392-1-0x000000001B740000-0x000000001B750000-memory.dmp
memory/392-7-0x00000000013A0000-0x00000000013D1000-memory.dmp
memory/392-10-0x0000000002B70000-0x0000000002B82000-memory.dmp
memory/392-9-0x0000000002AB0000-0x0000000002ABC000-memory.dmp
memory/392-0-0x0000000000660000-0x0000000000984000-memory.dmp
memory/2692-15-0x0000000000FA0000-0x0000000000FD1000-memory.dmp
memory/2692-17-0x00000000028C0000-0x00000000028D2000-memory.dmp
memory/2692-16-0x0000000002810000-0x000000000281C000-memory.dmp
memory/3448-39-0x000000001B110000-0x000000001B119000-memory.dmp
memory/3448-58-0x000000001B110000-0x000000001B119000-memory.dmp
memory/3448-55-0x0000000000D10000-0x0000000000D41000-memory.dmp
memory/3448-37-0x0000000002550000-0x000000000255C000-memory.dmp
memory/3448-38-0x000000001B520000-0x000000001B532000-memory.dmp
memory/3448-36-0x0000000000D10000-0x0000000000D41000-memory.dmp
memory/3448-56-0x0000000002550000-0x000000000255C000-memory.dmp
memory/4188-83-0x0000000003240000-0x0000000003249000-memory.dmp
memory/4188-80-0x00000000016B0000-0x00000000016E1000-memory.dmp
memory/4188-61-0x00000000016B0000-0x00000000016E1000-memory.dmp
memory/4188-81-0x0000000001880000-0x000000000188C000-memory.dmp
memory/4188-64-0x0000000003240000-0x0000000003249000-memory.dmp
memory/4188-63-0x0000000001930000-0x0000000001942000-memory.dmp
memory/4188-62-0x0000000001880000-0x000000000188C000-memory.dmp
memory/4436-13-0x000000001C190000-0x000000001C1E0000-memory.dmp
memory/4436-31-0x00000000029F0000-0x00000000029FC000-memory.dmp
memory/4436-30-0x0000000000EA0000-0x0000000000ED1000-memory.dmp
memory/4436-33-0x000000001B5E0000-0x000000001B5E9000-memory.dmp
memory/4436-19-0x00000000029F0000-0x00000000029FC000-memory.dmp
memory/4436-20-0x0000000002BB0000-0x0000000002BC2000-memory.dmp
memory/4436-21-0x000000001B5E0000-0x000000001B5E9000-memory.dmp
memory/4436-22-0x000000001B780000-0x000000001B790000-memory.dmp
memory/4436-18-0x0000000000EA0000-0x0000000000ED1000-memory.dmp
memory/4436-14-0x000000001C2A0000-0x000000001C352000-memory.dmp
memory/4436-11-0x000000001B780000-0x000000001B790000-memory.dmp