Analysis
- max time kernel
141s - max time network
145s - platform
windows11-21h2_x64 - resource
win11-20240214-en - resource tags
- submitted
30/03/2024, 04:16
General
- Target 190f5a8eb7e3d21d19131294db34363d545a7b3415578b70784499d5839e01e1.exe
- Size 2.0MB
- Sample240330-ev2x9agf7y
- SHA256 190f5a8eb7e3d21d19131294db34363d545a7b3415578b70784499d5839e01e1
Malware Config
Extracted
-
socks5systemz
-
http://bxwcdqe.com/search/?q=67e28dd83a58f22a160bab1e7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978a071ea771795af8e05c642db22f31dfe339426fa12a466c553adb719a9577e55b8603e983a608ffe16c7ed979f3d
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 WriteProcessMemory 9 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\190f5a8eb7e3d21d19131294db34363d545a7b3415578b70784499d5839e01e1.exe"C:\Users\Admin\AppData\Local\Temp\190f5a8eb7e3d21d19131294db34363d545a7b3415578b70784499d5839e01e1.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-KHGIJ.tmp\190f5a8eb7e3d21d19131294db34363d545a7b3415578b70784499d5839e01e1.tmp"C:\Users\Admin\AppData\Local\Temp\is-KHGIJ.tmp\190f5a8eb7e3d21d19131294db34363d545a7b3415578b70784499d5839e01e1.tmp" /SL5="$4021E,1687077,54272,C:\Users\Admin\AppData\Local\Temp\190f5a8eb7e3d21d19131294db34363d545a7b3415578b70784499d5839e01e1.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
190f5a8eb7e3d21d19131294db34363d545a7b3415578b70784499d5839e01e1.tmp
memory/388-7-0x0000000002440000-0x0000000002441000-memory.dmp
memory/388-50-0x0000000002440000-0x0000000002441000-memory.dmp
memory/388-48-0x0000000000400000-0x00000000004B8000-memory.dmp
memory/1652-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/1652-2-0x0000000000400000-0x0000000000414000-memory.dmp
memory/1652-47-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4188-39-0x0000000000400000-0x00000000005F2000-memory.dmp
memory/4188-43-0x0000000000400000-0x00000000005F2000-memory.dmp
memory/4188-42-0x0000000000400000-0x00000000005F2000-memory.dmp
memory/4188-38-0x0000000000400000-0x00000000005F2000-memory.dmp
memory/4688-54-0x0000000000400000-0x00000000005F2000-memory.dmp
memory/4688-69-0x0000000002300000-0x00000000023A2000-memory.dmp
memory/4688-53-0x0000000000400000-0x00000000005F2000-memory.dmp
memory/4688-46-0x0000000000400000-0x00000000005F2000-memory.dmp
memory/4688-57-0x0000000000400000-0x00000000005F2000-memory.dmp
memory/4688-60-0x0000000000400000-0x00000000005F2000-memory.dmp
memory/4688-63-0x0000000000400000-0x00000000005F2000-memory.dmp
memory/4688-64-0x0000000002300000-0x00000000023A2000-memory.dmp
memory/4688-68-0x0000000000400000-0x00000000005F2000-memory.dmp
memory/4688-49-0x0000000000400000-0x00000000005F2000-memory.dmp
memory/4688-74-0x0000000000400000-0x00000000005F2000-memory.dmp
memory/4688-77-0x0000000000400000-0x00000000005F2000-memory.dmp
memory/4688-78-0x0000000002300000-0x00000000023A2000-memory.dmp
memory/4688-81-0x0000000000400000-0x00000000005F2000-memory.dmp
memory/4688-84-0x0000000000400000-0x00000000005F2000-memory.dmp
memory/4688-87-0x0000000000400000-0x00000000005F2000-memory.dmp
memory/4688-90-0x0000000000400000-0x00000000005F2000-memory.dmp
memory/4688-94-0x0000000000400000-0x00000000005F2000-memory.dmp
memory/4688-97-0x0000000000400000-0x00000000005F2000-memory.dmp