Analysis
- max time kernel
141s - max time network
129s - platform
windows11-21h2_x64 - resource
win11-20240419-en - resource tags
- submitted
07/06/2024, 11:16
General
- Target 9fa4afa1e9b92cdb46e166d3545501e657d4f2b8457d9bfb5285167657d908dd.exe
- Size 4.7MB
- Sample240607-ndh89agc79
- SHA256 9fa4afa1e9b92cdb46e166d3545501e657d4f2b8457d9bfb5285167657d908dd
Malware Config
Signatures
- Detect Socks5Systemz Payload 3 IoCs
- Socks5Systemz
Socks5Systemz is a botnet written in C++.
- Executes dropped EXE 3 IoCs
- Loads dropped DLL 1 IoCs
- Unexpected DNS network traffic destination 1 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious use of FindShellTrayWindow 1 IoCs
- Suspicious use of WriteProcessMemory 9 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\9fa4afa1e9b92cdb46e166d3545501e657d4f2b8457d9bfb5285167657d908dd.exe"C:\Users\Admin\AppData\Local\Temp\9fa4afa1e9b92cdb46e166d3545501e657d4f2b8457d9bfb5285167657d908dd.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\is-4IVVR.tmp\9fa4afa1e9b92cdb46e166d3545501e657d4f2b8457d9bfb5285167657d908dd.tmp"C:\Users\Admin\AppData\Local\Temp\is-4IVVR.tmp\9fa4afa1e9b92cdb46e166d3545501e657d4f2b8457d9bfb5285167657d908dd.tmp" /SL5="$50052,4705965,54272,C:\Users\Admin\AppData\Local\Temp\9fa4afa1e9b92cdb46e166d3545501e657d4f2b8457d9bfb5285167657d908dd.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Moon VideoToAudio\moonvideo2audio.exe"C:\Users\Admin\AppData\Local\Moon VideoToAudio\moonvideo2audio.exe" -i3⤵
- Executes dropped EXE
-
-
C:\Users\Admin\AppData\Local\Moon VideoToAudio\moonvideo2audio.exe"C:\Users\Admin\AppData\Local\Moon VideoToAudio\moonvideo2audio.exe" -s3⤵
- Executes dropped EXE
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
moonvideo2audio.exe
9fa4afa1e9b92cdb46e166d3545501e657d4f2b8457d9bfb5285167657d908dd.tmp
_iscrypt.dll
memory/2228-68-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2228-2-0x0000000000401000-0x000000000040B000-memory.dmp
memory/2228-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2376-99-0x0000000000400000-0x00000000006D3000-memory.dmp
memory/2376-85-0x00000000028F0000-0x0000000002992000-memory.dmp
memory/2376-117-0x0000000000400000-0x00000000006D3000-memory.dmp
memory/2376-67-0x0000000000400000-0x00000000006D3000-memory.dmp
memory/2376-114-0x0000000000400000-0x00000000006D3000-memory.dmp
memory/2376-110-0x00000000028F0000-0x0000000002992000-memory.dmp
memory/2376-70-0x0000000000400000-0x00000000006D3000-memory.dmp
memory/2376-73-0x0000000000400000-0x00000000006D3000-memory.dmp
memory/2376-76-0x0000000000400000-0x00000000006D3000-memory.dmp
memory/2376-79-0x0000000000400000-0x00000000006D3000-memory.dmp
memory/2376-82-0x0000000000400000-0x00000000006D3000-memory.dmp
memory/2376-109-0x00000000028F0000-0x0000000002992000-memory.dmp
memory/2376-88-0x0000000000400000-0x00000000006D3000-memory.dmp
memory/2376-93-0x0000000000400000-0x00000000006D3000-memory.dmp
memory/2376-96-0x0000000000400000-0x00000000006D3000-memory.dmp
memory/2376-108-0x0000000000400000-0x00000000006D3000-memory.dmp
memory/2376-102-0x0000000000400000-0x00000000006D3000-memory.dmp
memory/2376-105-0x0000000000400000-0x00000000006D3000-memory.dmp
memory/2452-60-0x0000000000400000-0x00000000006D3000-memory.dmp
memory/2452-59-0x0000000000400000-0x00000000006D3000-memory.dmp
memory/2452-64-0x0000000000400000-0x00000000006D3000-memory.dmp
memory/4160-16-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/4160-69-0x0000000000400000-0x00000000004BA000-memory.dmp