Analysis
- max time kernel
148s - max time network
155s - platform
windows11-21h2_x64 - resource
win11-20240221-en - resource tags
- submitted
30/03/2024, 03:48
General
- Target bbbc237332d6bbf294c2496aa0de0c9bd21b54d1e8812fc79c1d3a1cbcd4e4e8.exe
- Size 2.1MB
- Sample240330-ec7qsaha35
- SHA256 bbbc237332d6bbf294c2496aa0de0c9bd21b54d1e8812fc79c1d3a1cbcd4e4e8
Malware Config
Extracted
-
socks5systemz
-
http://didzgii.info/search/?q=67e28dd83e0ff228160df91f7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978f571ea771795af8e05c646db22f31dfe339426fa12a466c553adb719a9577e55b8603e983a608ffe16c7ef939a3b
Signatures
- Detect Socks5Systemz Payload 2 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 WriteProcessMemory 9 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\bbbc237332d6bbf294c2496aa0de0c9bd21b54d1e8812fc79c1d3a1cbcd4e4e8.exe"C:\Users\Admin\AppData\Local\Temp\bbbc237332d6bbf294c2496aa0de0c9bd21b54d1e8812fc79c1d3a1cbcd4e4e8.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-RG9FU.tmp\bbbc237332d6bbf294c2496aa0de0c9bd21b54d1e8812fc79c1d3a1cbcd4e4e8.tmp"C:\Users\Admin\AppData\Local\Temp\is-RG9FU.tmp\bbbc237332d6bbf294c2496aa0de0c9bd21b54d1e8812fc79c1d3a1cbcd4e4e8.tmp" /SL5="$601AC,1845067,54272,C:\Users\Admin\AppData\Local\Temp\bbbc237332d6bbf294c2496aa0de0c9bd21b54d1e8812fc79c1d3a1cbcd4e4e8.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Easy CD Audio Converter\easycdaudioconverter.exe"C:\Users\Admin\AppData\Local\Easy CD Audio Converter\easycdaudioconverter.exe" -i3⤵
- Executes dropped EXE
-
-
C:\Users\Admin\AppData\Local\Easy CD Audio Converter\easycdaudioconverter.exe"C:\Users\Admin\AppData\Local\Easy CD Audio Converter\easycdaudioconverter.exe" -s3⤵
- Executes dropped EXE
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
easycdaudioconverter.exe
_iscrypt.dll
bbbc237332d6bbf294c2496aa0de0c9bd21b54d1e8812fc79c1d3a1cbcd4e4e8.tmp
memory/1492-72-0x0000000000400000-0x000000000061F000-memory.dmp
memory/1492-75-0x0000000000400000-0x000000000061F000-memory.dmp
memory/1492-95-0x0000000000400000-0x000000000061F000-memory.dmp
memory/1492-92-0x0000000000400000-0x000000000061F000-memory.dmp
memory/1492-88-0x0000000000400000-0x000000000061F000-memory.dmp
memory/1492-85-0x0000000000400000-0x000000000061F000-memory.dmp
memory/1492-45-0x0000000000400000-0x000000000061F000-memory.dmp
memory/1492-82-0x0000000000400000-0x000000000061F000-memory.dmp
memory/1492-79-0x0000000000400000-0x000000000061F000-memory.dmp
memory/1492-48-0x0000000000400000-0x000000000061F000-memory.dmp
memory/1492-76-0x0000000000920000-0x00000000009C2000-memory.dmp
memory/1492-52-0x0000000000400000-0x000000000061F000-memory.dmp
memory/1492-53-0x0000000000400000-0x000000000061F000-memory.dmp
memory/1492-56-0x0000000000400000-0x000000000061F000-memory.dmp
memory/1492-59-0x0000000000400000-0x000000000061F000-memory.dmp
memory/1492-62-0x0000000000400000-0x000000000061F000-memory.dmp
memory/1492-65-0x0000000000400000-0x000000000061F000-memory.dmp
memory/1492-66-0x0000000000920000-0x00000000009C2000-memory.dmp
memory/2236-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2236-46-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2236-2-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3288-42-0x0000000000400000-0x000000000061F000-memory.dmp
memory/3288-39-0x0000000000400000-0x000000000061F000-memory.dmp
memory/3288-38-0x0000000000400000-0x000000000061F000-memory.dmp
memory/4124-7-0x0000000002440000-0x0000000002441000-memory.dmp
memory/4124-49-0x0000000002440000-0x0000000002441000-memory.dmp
memory/4124-47-0x0000000000400000-0x00000000004B8000-memory.dmp