Analysis
- max time kernel
147s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
13/06/2024, 04:01
General
- Target 8e277e7022265b11d4f9b4f2c0b051d2.exe
- Size 4.8MB
- Sample240613-ek72hsxcpp
- SHA256 035dcf9053398a90a31dddeeef1c21f728a82078573daaac0b65baabf96973cd
Malware Config
Extracted
-
socks5systemz
-
bbebend.com
Signatures
- Detect Socks5Systemz Payload 1 IoCs
- Socks5Systemz
Socks5Systemz is a botnet written in C++.
- Executes dropped EXE 3 IoCs
- Loads dropped DLL 1 IoCs
- Unexpected DNS network traffic destination 3 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\8e277e7022265b11d4f9b4f2c0b051d2.exe"C:\Users\Admin\AppData\Local\Temp\8e277e7022265b11d4f9b4f2c0b051d2.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-SUKKO.tmp\8e277e7022265b11d4f9b4f2c0b051d2.tmp"C:\Users\Admin\AppData\Local\Temp\is-SUKKO.tmp\8e277e7022265b11d4f9b4f2c0b051d2.tmp" /SL5="$60162,4814186,54272,C:\Users\Admin\AppData\Local\Temp\8e277e7022265b11d4f9b4f2c0b051d2.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Free Audio Converter\audioconverter.exe"C:\Users\Admin\AppData\Local\Free Audio Converter\audioconverter.exe" -i3⤵
- Executes dropped EXE
-
-
C:\Users\Admin\AppData\Local\Free Audio Converter\audioconverter.exe"C:\Users\Admin\AppData\Local\Free Audio Converter\audioconverter.exe" -s3⤵
- Executes dropped EXE
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
audioconverter.exe
_iscrypt.dll
8e277e7022265b11d4f9b4f2c0b051d2.tmp
memory/452-96-0x0000000000400000-0x00000000006EB000-memory.dmp
memory/452-80-0x0000000000400000-0x00000000006EB000-memory.dmp
memory/452-114-0x0000000000400000-0x00000000006EB000-memory.dmp
memory/452-111-0x0000000000400000-0x00000000006EB000-memory.dmp
memory/452-108-0x0000000000400000-0x00000000006EB000-memory.dmp
memory/452-105-0x0000000000400000-0x00000000006EB000-memory.dmp
memory/452-102-0x0000000000400000-0x00000000006EB000-memory.dmp
memory/452-68-0x0000000000400000-0x00000000006EB000-memory.dmp
memory/452-99-0x0000000000400000-0x00000000006EB000-memory.dmp
memory/452-93-0x0000000000400000-0x00000000006EB000-memory.dmp
memory/452-71-0x0000000000400000-0x00000000006EB000-memory.dmp
memory/452-74-0x0000000000400000-0x00000000006EB000-memory.dmp
memory/452-77-0x0000000000400000-0x00000000006EB000-memory.dmp
memory/452-90-0x0000000000400000-0x00000000006EB000-memory.dmp
memory/452-83-0x0000000000400000-0x00000000006EB000-memory.dmp
memory/452-86-0x00000000025E0000-0x0000000002682000-memory.dmp
memory/1236-64-0x0000000000400000-0x00000000006EB000-memory.dmp
memory/1236-65-0x0000000000400000-0x00000000006EB000-memory.dmp
memory/1236-60-0x0000000000400000-0x00000000006EB000-memory.dmp
memory/1236-59-0x0000000000400000-0x00000000006EB000-memory.dmp
memory/1532-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/1532-69-0x0000000000400000-0x0000000000414000-memory.dmp
memory/1532-2-0x0000000000401000-0x000000000040B000-memory.dmp
memory/1616-16-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/1616-70-0x0000000000400000-0x00000000004BA000-memory.dmp