Analysis
- max time kernel
237s - max time network
288s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
01/06/2024, 07:35
General
- Target loadervmp.exe
- Size 409KB
- Sample240601-jer6bseb3x
- SHA256 018f75f18b882044109f250f19da654c0b3bd90430b318fcb03348908a189aae
Malware Config
Extracted
-
quasar
-
3.1.5
-
SeroXen
-
panel-slave.gl.at.ply.gg:57059
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panel-slave.gl.at.ply.gg:27892
-
$Sxr-rpL8EItHN3pqIQQVy2
-
encryption_key
ZJpQQkxTrak9Zs9tUOQW
-
install_name
Client.exe
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log_directory
Logs
-
reconnect_delay
3000
-
startup_key
SeroXen
-
subdirectory
SubDir
Signatures
- Quasar RAT
Quasar is an open source Remote Access Tool.
- Quasar payload 2 IoCs
- Executes dropped EXE 1 IoCs
- Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Creates scheduled task(s) 1 TTPs 3 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 12 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\loadervmp.exe"C:\Users\Admin\AppData\Local\Temp\loadervmp.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"schtasks" /create /tn "SeroXen" /sc ONLOGON /tr "C:\Users\Admin\AppData\Local\Temp\loadervmp.exe" /rl HIGHEST /f2⤵
- Creates scheduled task(s)
-
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C:\Users\Admin\AppData\Roaming\SubDir\Client.exe"C:\Users\Admin\AppData\Roaming\SubDir\Client.exe"2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exe"schtasks" /create /tn "SeroXen" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe" /rl HIGHEST /f3⤵
- Creates scheduled task(s)
-
-
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C:\Windows\SysWOW64\SCHTASKS.exe"SCHTASKS.exe" /create /tn "$77loadervmp.exe" /tr "'C:\Users\Admin\AppData\Local\Temp\loadervmp.exe'" /sc onlogon /rl HIGHEST2⤵
- Creates scheduled task(s)
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
Client.exe
memory/432-19-0x0000000074820000-0x0000000074FD0000-memory.dmp
memory/432-18-0x0000000006DE0000-0x0000000006DEA000-memory.dmp
memory/432-14-0x0000000074820000-0x0000000074FD0000-memory.dmp
memory/432-13-0x0000000074820000-0x0000000074FD0000-memory.dmp
memory/2020-3-0x00000000054D0000-0x0000000005562000-memory.dmp
memory/2020-6-0x0000000005A30000-0x0000000005A42000-memory.dmp
memory/2020-7-0x0000000006630000-0x000000000666C000-memory.dmp
memory/2020-5-0x0000000005410000-0x0000000005476000-memory.dmp
memory/2020-4-0x0000000074820000-0x0000000074FD0000-memory.dmp
memory/2020-0-0x000000007482E000-0x000000007482F000-memory.dmp
memory/2020-16-0x0000000074820000-0x0000000074FD0000-memory.dmp
memory/2020-2-0x0000000005A80000-0x0000000006024000-memory.dmp
memory/2020-1-0x0000000000A90000-0x0000000000AFC000-memory.dmp