Analysis
- max time kernel
121s - max time network
138s - platform
windows7_x64 - resource
win7-20230831-en - resource tags
- submitted
19/10/2023, 00:05
General
- Target xeC7cROikxmJ.exe
- Size 348KB
- Sample231019-adf71acf4v
- SHA256 0aa2b99b072736a522905c80505e8bfb45f545ee4d4f5a2fc02fb8f163b44225
Score
10/10
Malware Config
Extracted
Family
-
quasar
Version
-
1.3.0.0
Botnet
-
oct
C2
-
berlinqua.duckdns.org:9820
Mutex
-
QSR_MUTEX_LMPy8z0H3LJnMhGsoX
Attributes
-
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/2424-0-0x0000000000900000-0x000000000095E000-memory.dmp
memory/2424-1-0x0000000074310000-0x00000000749FE000-memory.dmp
memory/2424-2-0x00000000049D0000-0x0000000004A10000-memory.dmp
memory/2424-4-0x0000000074310000-0x00000000749FE000-memory.dmp
memory/2424-5-0x00000000049D0000-0x0000000004A10000-memory.dmp