Analysis
- max time kernel
19s - max time network
111s - platform
windows10_x64 - resource
win10v20201028 - submitted
09/11/2020, 20:27
General
- Target 758c9e9642b467c181548b07d7d47e32e2e37ce7298e0d89674fdbcbe13eb50e.exe
- Size 3.0MB
- Sample201109-hs97vmf7c2
- SHA256 758c9e9642b467c181548b07d7d47e32e2e37ce7298e0d89674fdbcbe13eb50e
Malware Config
Signatures
- Quasar RAT
Quasar is an open source Remote Access Tool.
- Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
- Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
- Identifies Wine through registry keys 2 TTPs 1 IoCs
Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.
- 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 NtSetInformationThreadHideFromDebugger 1 IoCs
- Drops file in Program Files directory 1 IoCs
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\758c9e9642b467c181548b07d7d47e32e2e37ce7298e0d89674fdbcbe13eb50e.exe"C:\Users\Admin\AppData\Local\Temp\758c9e9642b467c181548b07d7d47e32e2e37ce7298e0d89674fdbcbe13eb50e.exe"1⤵
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/3988-1-0x00000000058A0000-0x00000000058A1000-memory.dmp
memory/3988-0-0x00000000050A0000-0x00000000050A1000-memory.dmp
memory/3988-2-0x0000000073890000-0x0000000073F7E000-memory.dmp
memory/3988-3-0x0000000000C30000-0x0000000000C31000-memory.dmp
memory/3988-5-0x0000000007D70000-0x0000000007D71000-memory.dmp
memory/3988-6-0x0000000007870000-0x0000000007871000-memory.dmp
memory/3988-7-0x0000000007B10000-0x0000000007B11000-memory.dmp
memory/3988-8-0x00000000087B0000-0x00000000087B1000-memory.dmp
memory/3988-9-0x0000000008B80000-0x0000000008B81000-memory.dmp