Analysis
- max time kernel
140s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20230915-en - resource tags
- submitted
19/10/2023, 00:05
General
- Target xeC7cROikxmJ.exe
- Size 348KB
- Sample231019-ac622aea54
- SHA256 0aa2b99b072736a522905c80505e8bfb45f545ee4d4f5a2fc02fb8f163b44225
Malware Config
Extracted
-
quasar
-
1.3.0.0
-
oct
-
berlinqua.duckdns.org:9820
-
QSR_MUTEX_LMPy8z0H3LJnMhGsoX
-
encryption_key
4mJVIBYUSSaYvKr8NkRm
-
install_name
Client.exe
-
log_directory
Logs
-
reconnect_delay
3000
-
startup_key
Quasar Client Startup
-
subdirectory
SubDir
Signatures
- Quasar RAT
Quasar is an open source Remote Access Tool.
- Quasar payload 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.
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\xeC7cROikxmJ.exe"C:\Users\Admin\AppData\Local\Temp\xeC7cROikxmJ.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
memory/4224-0-0x00000000748E0000-0x0000000075090000-memory.dmp
memory/4224-1-0x0000000000B90000-0x0000000000BEE000-memory.dmp
memory/4224-2-0x0000000005AB0000-0x0000000006054000-memory.dmp
memory/4224-3-0x00000000055D0000-0x0000000005662000-memory.dmp
memory/4224-4-0x00000000055C0000-0x00000000055D0000-memory.dmp
memory/4224-5-0x0000000005770000-0x00000000057D6000-memory.dmp
memory/4224-6-0x0000000006500000-0x0000000006512000-memory.dmp
memory/4224-7-0x0000000006980000-0x00000000069BC000-memory.dmp
memory/4224-9-0x0000000006D00000-0x0000000006D0A000-memory.dmp
memory/4224-10-0x00000000748E0000-0x0000000075090000-memory.dmp
memory/4224-11-0x00000000055C0000-0x00000000055D0000-memory.dmp