Analysis
- max time kernel
147s - max time network
155s - platform
windows10-2004_x64 - resource
win10v2004-20240226-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://bgwneke.com/search/?q=67e28dd86f5af1211209a81b7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa48e8889b5e4fa9281ae978f071ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ffe19c2e7939c38
-
http://bgwneke.com/search/?q=67e28dd86f5af1211209a81b7c27d78406abdd88be4b12eab517aa5c96bd86ee9d8f4b875a8bbc896c58e713bc90c91d36b5281fc235a925ed3e53d6bd974a95129070b616e96cc92be510b866db52b2e34aec4c2b14a82966836f23d7f210c7ee949239c5699015
Signatures
- Detect Socks5Systemz Payload 4 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-UN3H9.tmp\06666dd94140ff36f90471caba87d0e941ffdc6719d410957970d1bca943b9ca.tmp"C:\Users\Admin\AppData\Local\Temp\is-UN3H9.tmp\06666dd94140ff36f90471caba87d0e941ffdc6719d410957970d1bca943b9ca.tmp" /SL5="$40230,1647209,54272,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/2140-48-0x0000000000400000-0x00000000004B8000-memory.dmp
memory/2140-50-0x0000000002340000-0x0000000002341000-memory.dmp
memory/2140-7-0x0000000002340000-0x0000000002341000-memory.dmp
memory/2588-80-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/2588-83-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/2588-98-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/2588-46-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/2588-95-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/2588-49-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/2588-91-0x00000000008E0000-0x0000000000982000-memory.dmp
memory/2588-90-0x00000000008E0000-0x0000000000982000-memory.dmp
memory/2588-53-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/2588-54-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/2588-57-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/2588-60-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/2588-63-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/2588-66-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/2588-67-0x00000000008E0000-0x0000000000982000-memory.dmp
memory/2588-73-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/2588-76-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/2588-77-0x00000000008E0000-0x0000000000982000-memory.dmp
memory/2588-89-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/2588-86-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/3656-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3656-2-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3656-47-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4576-39-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/4576-38-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/4576-42-0x0000000000400000-0x00000000005D5000-memory.dmp