Analysis
- max time kernel
212s - max time network
292s - platform
windows11-21h2_x64 - resource
win11-20240419-en - resource tags
- submitted
30/06/2024, 19:33
General
- Target Uni.exe
- Size 348KB
- Sample240630-x9hr2atbpc
- SHA256 45213c63aaaf31c6b3a20b632e6b6f0efcc5ca693528bff63d02752f48f17590
Malware Config
Extracted
-
quasar
-
15.5.0
-
Crypted
-
147.185.221.20:49485
-
QSR_MUTEX_k8eftMEuU7a4TIUS2H
-
encryption_key
7VNoqFBD2kgjE7AIWeFj
-
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\Uni.exe"C:\Users\Admin\AppData\Local\Temp\Uni.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
memory/2464-0-0x000000007496E000-0x000000007496F000-memory.dmp
memory/2464-1-0x0000000000310000-0x000000000036E000-memory.dmp
memory/2464-2-0x0000000005290000-0x0000000005836000-memory.dmp
memory/2464-3-0x0000000004D80000-0x0000000004E12000-memory.dmp
memory/2464-4-0x0000000074960000-0x0000000075111000-memory.dmp
memory/2464-5-0x0000000004E20000-0x0000000004E86000-memory.dmp
memory/2464-6-0x0000000005250000-0x0000000005262000-memory.dmp
memory/2464-7-0x0000000005F50000-0x0000000005F8C000-memory.dmp
memory/2464-9-0x00000000062D0000-0x00000000062DA000-memory.dmp
memory/2464-10-0x000000007496E000-0x000000007496F000-memory.dmp
memory/2464-11-0x0000000074960000-0x0000000075111000-memory.dmp