Analysis
- max time kernel
141s - max time network
127s - platform
windows11-21h2_x64 - resource
win11-20240611-en - resource tags
- submitted
19/06/2024, 14:11
General
- Target 601cf4459733f6c313c72ead2afb50a620b64c592c0722b5b260e1242e35aa33.exe
- Size 4.9MB
- Sample240619-rhlrqawfmp
- SHA256 601cf4459733f6c313c72ead2afb50a620b64c592c0722b5b260e1242e35aa33
Malware Config
Extracted
-
socks5systemz
-
cslnako.net
-
http://cslnako.net/search/?q=67e28dd86c5af52d4607af197c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ee8889b5e4fa9281ae978a571ea771795af8e05c645db22f31dfe339426fa12a466c553adb719a9577e55b8603e983a608ff719c0e9969c3f
-
http://cslnako.net/search/?q=67e28dd86c5af52d4607af197c27d78406abdd88be4b12eab517aa5c96bd86e992844f835a8bbc896c58e713bc90c91b36b5281fc235a925ed3e06d6bd974a95129070b616e96cc92be510b866db51b9e34eed4c2b14a82966836f23d7f210c7ee9d923bcb6c9012
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 FindShellTrayWindow 1 IoCs
- Suspicious use of WriteProcessMemory 9 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\601cf4459733f6c313c72ead2afb50a620b64c592c0722b5b260e1242e35aa33.exe"C:\Users\Admin\AppData\Local\Temp\601cf4459733f6c313c72ead2afb50a620b64c592c0722b5b260e1242e35aa33.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-T7QAL.tmp\601cf4459733f6c313c72ead2afb50a620b64c592c0722b5b260e1242e35aa33.tmp"C:\Users\Admin\AppData\Local\Temp\is-T7QAL.tmp\601cf4459733f6c313c72ead2afb50a620b64c592c0722b5b260e1242e35aa33.tmp" /SL5="$4020E,4849517,54272,C:\Users\Admin\AppData\Local\Temp\601cf4459733f6c313c72ead2afb50a620b64c592c0722b5b260e1242e35aa33.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Audials Tunebite\audialstunebite32.exe"C:\Users\Admin\AppData\Local\Audials Tunebite\audialstunebite32.exe" -i3⤵
- Executes dropped EXE
-
-
C:\Users\Admin\AppData\Local\Audials Tunebite\audialstunebite32.exe"C:\Users\Admin\AppData\Local\Audials Tunebite\audialstunebite32.exe" -s3⤵
- Executes dropped EXE
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
audialstunebite32.exe
_iscrypt.dll
601cf4459733f6c313c72ead2afb50a620b64c592c0722b5b260e1242e35aa33.tmp
memory/804-59-0x0000000000400000-0x0000000000665000-memory.dmp
memory/804-63-0x0000000000400000-0x0000000000665000-memory.dmp
memory/804-65-0x0000000000400000-0x0000000000665000-memory.dmp
memory/804-61-0x0000000000400000-0x0000000000665000-memory.dmp
memory/1984-10-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/1984-71-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/3164-70-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3164-2-0x0000000000401000-0x000000000040B000-memory.dmp
memory/3164-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4596-76-0x0000000000400000-0x0000000000665000-memory.dmp
memory/4596-90-0x0000000000400000-0x0000000000665000-memory.dmp
memory/4596-72-0x0000000000400000-0x0000000000665000-memory.dmp
memory/4596-75-0x0000000000400000-0x0000000000665000-memory.dmp
memory/4596-68-0x0000000000400000-0x0000000000665000-memory.dmp
memory/4596-79-0x0000000000400000-0x0000000000665000-memory.dmp
memory/4596-82-0x0000000000400000-0x0000000000665000-memory.dmp
memory/4596-85-0x0000000000400000-0x0000000000665000-memory.dmp
memory/4596-88-0x0000000000A40000-0x0000000000AE2000-memory.dmp
memory/4596-69-0x0000000000400000-0x0000000000665000-memory.dmp
memory/4596-95-0x0000000000400000-0x0000000000665000-memory.dmp
memory/4596-98-0x0000000000400000-0x0000000000665000-memory.dmp
memory/4596-101-0x0000000000400000-0x0000000000665000-memory.dmp
memory/4596-104-0x0000000000400000-0x0000000000665000-memory.dmp
memory/4596-107-0x0000000000400000-0x0000000000665000-memory.dmp
memory/4596-110-0x0000000000400000-0x0000000000665000-memory.dmp
memory/4596-112-0x0000000000A40000-0x0000000000AE2000-memory.dmp
memory/4596-111-0x0000000000A40000-0x0000000000AE2000-memory.dmp
memory/4596-116-0x0000000000400000-0x0000000000665000-memory.dmp
memory/4596-119-0x0000000000400000-0x0000000000665000-memory.dmp