Analysis
- max time kernel
144s - max time network
151s - platform
windows11-21h2_x64 - resource
win11-20240221-en - resource tags
- submitted
30/03/2024, 10:25
General
- Target f2943ee3df4f9e90437112f51cb7071cfab7e39ede1e386f0514bbd402683362.exe
- Size 1.9MB
- Sample240330-mf7tysdc6v
- SHA256 f2943ee3df4f9e90437112f51cb7071cfab7e39ede1e386f0514bbd402683362
Malware Config
Extracted
-
socks5systemz
-
http://bwegdyi.com/search/?q=67e28dd83a0ba47b435ca84a7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa1ee8889b5e4fa9281ae978a071ea771795af8e05c647db22f31dfe339426fa12a466c553adb719a9577e55b8603e983a608ffe16c9eb919a39
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\f2943ee3df4f9e90437112f51cb7071cfab7e39ede1e386f0514bbd402683362.exe"C:\Users\Admin\AppData\Local\Temp\f2943ee3df4f9e90437112f51cb7071cfab7e39ede1e386f0514bbd402683362.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-23AI9.tmp\f2943ee3df4f9e90437112f51cb7071cfab7e39ede1e386f0514bbd402683362.tmp"C:\Users\Admin\AppData\Local\Temp\is-23AI9.tmp\f2943ee3df4f9e90437112f51cb7071cfab7e39ede1e386f0514bbd402683362.tmp" /SL5="$90106,1596226,54272,C:\Users\Admin\AppData\Local\Temp\f2943ee3df4f9e90437112f51cb7071cfab7e39ede1e386f0514bbd402683362.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\CD Audio Converter\cdaudioconverter.exe"C:\Users\Admin\AppData\Local\CD Audio Converter\cdaudioconverter.exe" -i3⤵
- Executes dropped EXE
-
-
C:\Users\Admin\AppData\Local\CD Audio Converter\cdaudioconverter.exe"C:\Users\Admin\AppData\Local\CD Audio Converter\cdaudioconverter.exe" -s3⤵
- Executes dropped EXE
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
cdaudioconverter.exe
f2943ee3df4f9e90437112f51cb7071cfab7e39ede1e386f0514bbd402683362.tmp
_iscrypt.dll
memory/352-37-0x0000000000400000-0x00000000005F2000-memory.dmp
memory/352-38-0x0000000000400000-0x00000000005F2000-memory.dmp
memory/352-40-0x0000000000400000-0x00000000005F2000-memory.dmp
memory/352-42-0x0000000000400000-0x00000000005F2000-memory.dmp
memory/808-47-0x0000000000400000-0x00000000004B8000-memory.dmp
memory/808-6-0x0000000002340000-0x0000000002341000-memory.dmp
memory/808-49-0x0000000002340000-0x0000000002341000-memory.dmp
memory/1520-52-0x0000000000400000-0x00000000005F2000-memory.dmp
memory/1520-66-0x00000000008E0000-0x0000000000982000-memory.dmp
memory/1520-48-0x0000000000400000-0x00000000005F2000-memory.dmp
memory/1520-45-0x0000000000400000-0x00000000005F2000-memory.dmp
memory/1520-95-0x0000000000400000-0x00000000005F2000-memory.dmp
memory/1520-53-0x0000000000400000-0x00000000005F2000-memory.dmp
memory/1520-56-0x0000000000400000-0x00000000005F2000-memory.dmp
memory/1520-59-0x0000000000400000-0x00000000005F2000-memory.dmp
memory/1520-62-0x0000000000400000-0x00000000005F2000-memory.dmp
memory/1520-92-0x0000000000400000-0x00000000005F2000-memory.dmp
memory/1520-65-0x0000000000400000-0x00000000005F2000-memory.dmp
memory/1520-72-0x0000000000400000-0x00000000005F2000-memory.dmp
memory/1520-75-0x0000000000400000-0x00000000005F2000-memory.dmp
memory/1520-76-0x00000000008E0000-0x0000000000982000-memory.dmp
memory/1520-79-0x0000000000400000-0x00000000005F2000-memory.dmp
memory/1520-82-0x0000000000400000-0x00000000005F2000-memory.dmp
memory/1520-85-0x0000000000400000-0x00000000005F2000-memory.dmp
memory/1520-88-0x0000000000400000-0x00000000005F2000-memory.dmp
memory/4488-46-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4488-0-0x0000000000400000-0x0000000000414000-memory.dmp