Analysis
- max time kernel
147s - max time network
150s - platform
windows11-21h2_x64 - resource
win11-20240221-en - resource tags
- submitted
30/03/2024, 22:35
General
- Target 3cc1c0d33b4800aa2d6e4f7590cbef2c6615a5ccb0c62e61b357b7fc984a831e.exe
- Size 2.1MB
- Sample240330-2ht37sgc2s
- SHA256 3cc1c0d33b4800aa2d6e4f7590cbef2c6615a5ccb0c62e61b357b7fc984a831e
Malware Config
Extracted
-
socks5systemz
-
http://aqoeqit.ru/search/?q=67e28dd86b55fb7a410dae497c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa49e8889b5e4fa9281ae978a471ea771795af8e05c642db22f31dfe339426fa12a466c553adb719a9577e55b8603e983a608ffe19c3e7949233
-
http://aqoeqit.ru/search/?q=67e28dd86b55fb7a410dae497c27d78406abdd88be4b12eab517aa5c96bd86ec95834d825a8bbc896c58e713bc90c91c36b5281fc235a925ed3e07d6bd974a95129070b611e96cc92be510b866db51b9e34eed4c2b14a82966836f23d7f210c7ee949238c56e9e1e
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
-
C:\Users\Admin\AppData\Local\Temp\3cc1c0d33b4800aa2d6e4f7590cbef2c6615a5ccb0c62e61b357b7fc984a831e.exe"C:\Users\Admin\AppData\Local\Temp\3cc1c0d33b4800aa2d6e4f7590cbef2c6615a5ccb0c62e61b357b7fc984a831e.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-AKPQ9.tmp\3cc1c0d33b4800aa2d6e4f7590cbef2c6615a5ccb0c62e61b357b7fc984a831e.tmp"C:\Users\Admin\AppData\Local\Temp\is-AKPQ9.tmp\3cc1c0d33b4800aa2d6e4f7590cbef2c6615a5ccb0c62e61b357b7fc984a831e.tmp" /SL5="$6023C,1815464,54272,C:\Users\Admin\AppData\Local\Temp\3cc1c0d33b4800aa2d6e4f7590cbef2c6615a5ccb0c62e61b357b7fc984a831e.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
3cc1c0d33b4800aa2d6e4f7590cbef2c6615a5ccb0c62e61b357b7fc984a831e.tmp
_iscrypt.dll
memory/824-2-0x0000000000400000-0x0000000000414000-memory.dmp
memory/824-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/824-47-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2960-38-0x0000000000400000-0x0000000000603000-memory.dmp
memory/2960-39-0x0000000000400000-0x0000000000603000-memory.dmp
memory/2960-42-0x0000000000400000-0x0000000000603000-memory.dmp
memory/3108-48-0x0000000000400000-0x00000000004B8000-memory.dmp
memory/3108-7-0x0000000002450000-0x0000000002451000-memory.dmp
memory/3108-50-0x0000000002450000-0x0000000002451000-memory.dmp
memory/3268-54-0x0000000000400000-0x0000000000603000-memory.dmp
memory/3268-74-0x0000000000400000-0x0000000000603000-memory.dmp
memory/3268-46-0x0000000000400000-0x0000000000603000-memory.dmp
memory/3268-53-0x0000000000400000-0x0000000000603000-memory.dmp
memory/3268-44-0x0000000000400000-0x0000000000603000-memory.dmp
memory/3268-57-0x0000000000400000-0x0000000000603000-memory.dmp
memory/3268-60-0x0000000000400000-0x0000000000603000-memory.dmp
memory/3268-63-0x0000000000400000-0x0000000000603000-memory.dmp
memory/3268-64-0x00000000009A0000-0x0000000000A42000-memory.dmp
memory/3268-68-0x0000000000400000-0x0000000000603000-memory.dmp
memory/3268-69-0x00000000009A0000-0x0000000000A42000-memory.dmp
memory/3268-49-0x0000000000400000-0x0000000000603000-memory.dmp
memory/3268-77-0x0000000000400000-0x0000000000603000-memory.dmp
memory/3268-78-0x00000000009A0000-0x0000000000A42000-memory.dmp
memory/3268-81-0x0000000000400000-0x0000000000603000-memory.dmp
memory/3268-84-0x0000000000400000-0x0000000000603000-memory.dmp
memory/3268-87-0x0000000000400000-0x0000000000603000-memory.dmp
memory/3268-90-0x0000000000400000-0x0000000000603000-memory.dmp
memory/3268-91-0x00000000009A0000-0x0000000000A42000-memory.dmp
memory/3268-92-0x00000000009A0000-0x0000000000A42000-memory.dmp
memory/3268-96-0x0000000000400000-0x0000000000603000-memory.dmp
memory/3268-99-0x0000000000400000-0x0000000000603000-memory.dmp