Analysis
- max time kernel
141s - max time network
127s - platform
windows11-21h2_x64 - resource
win11-20240221-en - resource tags
- submitted
30/03/2024, 10:44
General
- Target 6faa57c4bcbee3d4343f9a7d046505f713a0104d76ff1848a96b50cfd954a038.exe
- Size 1.9MB
- Sample240330-ms71gsde7y
- SHA256 6faa57c4bcbee3d4343f9a7d046505f713a0104d76ff1848a96b50cfd954a038
Malware Config
Extracted
-
socks5systemz
-
http://ezobobx.ua/search/?q=67e28dd8645af52e420aad1d7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ee8889b5e4fa9281ae978a371ea771795af8e05c64bdb22f31dfe339426fa12a466c553adb719a9577e55b8603e983a608ffe16c9ea909e32
-
http://ezobobx.ua/search/?q=67e28dd8645af52e420aad1d7c27d78406abdd88be4b12eab517aa5c96bd86ef96834e875a8bbc896c58e713bc90c91b36b5281fc235a925ed3e00d6bd974a95129070b618e96cc92be510b866db51b9e34eed4c2b14a82966836f23d7f210c7ee949d32c86a921f
Signatures
- Detect Socks5Systemz Payload 5 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
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C:\Users\Admin\AppData\Local\Temp\6faa57c4bcbee3d4343f9a7d046505f713a0104d76ff1848a96b50cfd954a038.exe"C:\Users\Admin\AppData\Local\Temp\6faa57c4bcbee3d4343f9a7d046505f713a0104d76ff1848a96b50cfd954a038.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\is-27NQF.tmp\6faa57c4bcbee3d4343f9a7d046505f713a0104d76ff1848a96b50cfd954a038.tmp"C:\Users\Admin\AppData\Local\Temp\is-27NQF.tmp\6faa57c4bcbee3d4343f9a7d046505f713a0104d76ff1848a96b50cfd954a038.tmp" /SL5="$4021E,1583366,54272,C:\Users\Admin\AppData\Local\Temp\6faa57c4bcbee3d4343f9a7d046505f713a0104d76ff1848a96b50cfd954a038.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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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
Loading Replay Monitor...
Downloads
cdaudioconverter.exe
6faa57c4bcbee3d4343f9a7d046505f713a0104d76ff1848a96b50cfd954a038.tmp
_iscrypt.dll
memory/1668-77-0x0000000000400000-0x00000000005F5000-memory.dmp
memory/1668-78-0x00000000008F0000-0x0000000000992000-memory.dmp
memory/1668-99-0x0000000000400000-0x00000000005F5000-memory.dmp
memory/1668-96-0x0000000000400000-0x00000000005F5000-memory.dmp
memory/1668-92-0x00000000008F0000-0x0000000000992000-memory.dmp
memory/1668-91-0x00000000008F0000-0x0000000000992000-memory.dmp
memory/1668-90-0x0000000000400000-0x00000000005F5000-memory.dmp
memory/1668-46-0x0000000000400000-0x00000000005F5000-memory.dmp
memory/1668-87-0x0000000000400000-0x00000000005F5000-memory.dmp
memory/1668-84-0x0000000000400000-0x00000000005F5000-memory.dmp
memory/1668-49-0x0000000000400000-0x00000000005F5000-memory.dmp
memory/1668-81-0x0000000000400000-0x00000000005F5000-memory.dmp
memory/1668-53-0x0000000000400000-0x00000000005F5000-memory.dmp
memory/1668-54-0x0000000000400000-0x00000000005F5000-memory.dmp
memory/1668-57-0x0000000000400000-0x00000000005F5000-memory.dmp
memory/1668-63-0x0000000000400000-0x00000000005F5000-memory.dmp
memory/1668-68-0x0000000000400000-0x00000000005F5000-memory.dmp
memory/1668-64-0x00000000008F0000-0x0000000000992000-memory.dmp
memory/1668-60-0x0000000000400000-0x00000000005F5000-memory.dmp
memory/1668-69-0x00000000008F0000-0x0000000000992000-memory.dmp
memory/1668-74-0x0000000000400000-0x00000000005F5000-memory.dmp
memory/3560-7-0x0000000002440000-0x0000000002441000-memory.dmp
memory/3560-50-0x0000000002440000-0x0000000002441000-memory.dmp
memory/3560-48-0x0000000000400000-0x00000000004B8000-memory.dmp
memory/4556-43-0x0000000000400000-0x00000000005F5000-memory.dmp
memory/4556-42-0x0000000000400000-0x00000000005F5000-memory.dmp
memory/4556-38-0x0000000000400000-0x00000000005F5000-memory.dmp
memory/4556-39-0x0000000000400000-0x00000000005F5000-memory.dmp
memory/4560-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4560-47-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4560-2-0x0000000000400000-0x0000000000414000-memory.dmp