Analysis
- max time kernel
156s - max time network
157s - platform
windows11-21h2_x64 - resource
win11-20240319-en - resource tags
- submitted
31/03/2024, 10:38
General
- Target 5caca1fa3af6b9fdc38e5edaeab87e15ebadb5371d5153dc4627ceee14349e0a.exe
- Size 1.8MB
- Sample240331-mpdbpsac9y
- SHA256 5caca1fa3af6b9fdc38e5edaeab87e15ebadb5371d5153dc4627ceee14349e0a
Malware Config
Extracted
-
socks5systemz
-
http://dithqze.info/search/?q=67e28dd83e58f128495cab1c7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978a471ea771795af8e05c645db22f31dfe339426fa12a466c553adb719a9577e55b8603e983a608ffe19c8ee909c33
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\5caca1fa3af6b9fdc38e5edaeab87e15ebadb5371d5153dc4627ceee14349e0a.exe"C:\Users\Admin\AppData\Local\Temp\5caca1fa3af6b9fdc38e5edaeab87e15ebadb5371d5153dc4627ceee14349e0a.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-71SU9.tmp\5caca1fa3af6b9fdc38e5edaeab87e15ebadb5371d5153dc4627ceee14349e0a.tmp"C:\Users\Admin\AppData\Local\Temp\is-71SU9.tmp\5caca1fa3af6b9fdc38e5edaeab87e15ebadb5371d5153dc4627ceee14349e0a.tmp" /SL5="$E0240,1550707,54272,C:\Users\Admin\AppData\Local\Temp\5caca1fa3af6b9fdc38e5edaeab87e15ebadb5371d5153dc4627ceee14349e0a.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Audio Record Plugin\audiorecordplugin.exe"C:\Users\Admin\AppData\Local\Audio Record Plugin\audiorecordplugin.exe" -i3⤵
- Executes dropped EXE
-
-
C:\Users\Admin\AppData\Local\Audio Record Plugin\audiorecordplugin.exe"C:\Users\Admin\AppData\Local\Audio Record Plugin\audiorecordplugin.exe" -s3⤵
- Executes dropped EXE
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
audiorecordplugin.exe
_iscrypt.dll
5caca1fa3af6b9fdc38e5edaeab87e15ebadb5371d5153dc4627ceee14349e0a.tmp
memory/5320-77-0x0000000000400000-0x00000000005BC000-memory.dmp
memory/5320-67-0x0000000000400000-0x00000000005BC000-memory.dmp
memory/5320-97-0x0000000000400000-0x00000000005BC000-memory.dmp
memory/5320-94-0x0000000000400000-0x00000000005BC000-memory.dmp
memory/5320-90-0x0000000000400000-0x00000000005BC000-memory.dmp
memory/5320-87-0x0000000000400000-0x00000000005BC000-memory.dmp
memory/5320-84-0x0000000000400000-0x00000000005BC000-memory.dmp
memory/5320-45-0x0000000000400000-0x00000000005BC000-memory.dmp
memory/5320-47-0x0000000000400000-0x00000000005BC000-memory.dmp
memory/5320-81-0x0000000000400000-0x00000000005BC000-memory.dmp
memory/5320-78-0x00000000009B0000-0x0000000000A52000-memory.dmp
memory/5320-50-0x0000000000400000-0x00000000005BC000-memory.dmp
memory/5320-74-0x0000000000400000-0x00000000005BC000-memory.dmp
memory/5320-54-0x0000000000400000-0x00000000005BC000-memory.dmp
memory/5320-58-0x0000000000400000-0x00000000005BC000-memory.dmp
memory/5320-61-0x0000000000400000-0x00000000005BC000-memory.dmp
memory/5320-55-0x0000000000400000-0x00000000005BC000-memory.dmp
memory/5320-64-0x0000000000400000-0x00000000005BC000-memory.dmp
memory/5320-68-0x00000000009B0000-0x0000000000A52000-memory.dmp
memory/5404-43-0x0000000000400000-0x00000000005BC000-memory.dmp
memory/5404-42-0x0000000000400000-0x00000000005BC000-memory.dmp
memory/5404-38-0x0000000000400000-0x00000000005BC000-memory.dmp
memory/5404-39-0x0000000000400000-0x00000000005BC000-memory.dmp
memory/5824-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/5824-48-0x0000000000400000-0x0000000000414000-memory.dmp
memory/5824-2-0x0000000000400000-0x0000000000414000-memory.dmp
memory/6064-7-0x0000000002450000-0x0000000002451000-memory.dmp
memory/6064-51-0x0000000002450000-0x0000000002451000-memory.dmp
memory/6064-49-0x0000000000400000-0x00000000004B8000-memory.dmp