Analysis
- max time kernel
147s - max time network
154s - platform
windows11-21h2_x64 - resource
win11-20240221-en - resource tags
- submitted
30/03/2024, 19:56
General
- Target 06666dd94140ff36f90471caba87d0e941ffdc6719d410957970d1bca943b9ca.exe
- Size 1.9MB
- Sample240330-ynyf2adh85
- SHA256 06666dd94140ff36f90471caba87d0e941ffdc6719d410957970d1bca943b9ca
Malware Config
Extracted
-
socks5systemz
-
http://bmmceqg.com/search/?q=67e28dd83a0ba47b435ca84a7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa1ee8889b5e4fa9281ae978a071ea771795af8e05c645db22f31dfe339426fa12a466c553adb719a9577e55b8603e983a608ffe19c2e7939d38
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\06666dd94140ff36f90471caba87d0e941ffdc6719d410957970d1bca943b9ca.exe"C:\Users\Admin\AppData\Local\Temp\06666dd94140ff36f90471caba87d0e941ffdc6719d410957970d1bca943b9ca.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-94BCI.tmp\06666dd94140ff36f90471caba87d0e941ffdc6719d410957970d1bca943b9ca.tmp"C:\Users\Admin\AppData\Local\Temp\is-94BCI.tmp\06666dd94140ff36f90471caba87d0e941ffdc6719d410957970d1bca943b9ca.tmp" /SL5="$4022C,1647209,54272,C:\Users\Admin\AppData\Local\Temp\06666dd94140ff36f90471caba87d0e941ffdc6719d410957970d1bca943b9ca.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Audio Converter Lib\audioconverterlib.exe"C:\Users\Admin\AppData\Local\Audio Converter Lib\audioconverterlib.exe" -i3⤵
- Executes dropped EXE
-
-
C:\Users\Admin\AppData\Local\Audio Converter Lib\audioconverterlib.exe"C:\Users\Admin\AppData\Local\Audio Converter Lib\audioconverterlib.exe" -s3⤵
- Executes dropped EXE
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
audioconverterlib.exe
_iscrypt.dll
06666dd94140ff36f90471caba87d0e941ffdc6719d410957970d1bca943b9ca.tmp
memory/880-77-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/880-69-0x00000000008E0000-0x0000000000982000-memory.dmp
memory/880-97-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/880-94-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/880-90-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/880-87-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/880-84-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/880-45-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/880-47-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/880-81-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/880-80-0x00000000008E0000-0x0000000000982000-memory.dmp
memory/880-50-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/880-74-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/880-54-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/880-58-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/880-61-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/880-55-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/880-64-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/880-67-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/1360-7-0x0000000002340000-0x0000000002341000-memory.dmp
memory/1360-51-0x0000000002340000-0x0000000002341000-memory.dmp
memory/1360-49-0x0000000000400000-0x00000000004B8000-memory.dmp
memory/2684-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2684-48-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2684-2-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3572-43-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/3572-40-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/3572-39-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/3572-38-0x0000000000400000-0x00000000005D5000-memory.dmp