Analysis
- max time kernel
503s - max time network
506s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
- submitted
28/09/2022, 06:50
General
- Target Windows Loader.exe
- Size 3.8MB
- Sample220928-hl5vbsfca7
- SHA256 2f2aba1e074f5f4baa08b524875461889f8f04d4ffc43972ac212e286022ab94
Malware Config
Signatures
- UPX packed file 2 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Enumerates system info in registry 2 TTPs 2 IoCs
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of FindShellTrayWindow 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Windows Loader.exe"C:\Users\Admin\AppData\Local\Temp\Windows Loader.exe"1⤵
- Checks BIOS information in registry
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/4400-132-0x0000000000400000-0x0000000000623000-memory.dmp
memory/4400-133-0x00000000025F0000-0x0000000002793000-memory.dmp
memory/4400-134-0x0000000002B60000-0x0000000002B73000-memory.dmp
memory/4400-142-0x0000000002B20000-0x0000000002B30000-memory.dmp
memory/4400-147-0x0000000002B80000-0x0000000002B92000-memory.dmp
memory/4400-155-0x0000000010000000-0x0000000010021000-memory.dmp
memory/4400-163-0x0000000002EE0000-0x0000000002EF1000-memory.dmp
memory/4400-171-0x0000000002F00000-0x0000000002F10000-memory.dmp
memory/4400-179-0x0000000002F10000-0x0000000002F20000-memory.dmp
memory/4400-187-0x0000000002F20000-0x0000000002F40000-memory.dmp
memory/4400-195-0x0000000000400000-0x0000000000623000-memory.dmp