Analysis
- max time kernel
150s - max time network
153s - platform
windows7_x64 - resource
win7-20220414-en - submitted
12/07/2022, 11:54
General
- Target 1212.exe
- Size 341KB
- Sample220712-n2vxysbgc6
- SHA256 fdb6bdd36b6dd8910ccfacefeab116a303db885a7125d893151a2ba9e00746d1
Score
10/10
Malware Config
Signatures
- Quasar RAT
Quasar is an open source Remote Access Tool.
- suricata: ET MALWARE Common RAT Connectivity Check Observed
suricata: ET MALWARE Common RAT Connectivity Check Observed
- 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.
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 3 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\1212.exe"C:\Users\Admin\AppData\Local\Temp\1212.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
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
-
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
Client.exe
Client.exe
memory/872-54-0x0000000000DD0000-0x0000000000DD8000-memory.dmp
memory/872-55-0x0000000000C10000-0x0000000000CAE000-memory.dmp
memory/1724-59-0x0000000000800000-0x0000000000808000-memory.dmp