Analysis
- max time kernel
157s - max time network
166s - platform
windows11-21h2_x64 - resource
win11-20240221-en - resource tags
- submitted
31/03/2024, 17:55
General
- Target 5c5f373c9798deb6dac4da4ea191df1e0e7a9df9ccf15ca02f3cc76f106206b5.exe
- Size 1.8MB
- Sample240331-whxlfagb71
- SHA256 5c5f373c9798deb6dac4da4ea191df1e0e7a9df9ccf15ca02f3cc76f106206b5
Malware Config
Extracted
-
socks5systemz
-
http://ezboduo.ua/search/?q=67e28dd83d54f12b140cff197c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4de8889b5e4fa9281ae978a271ea771795af8e05c645db22f31dfe339426fa12a466c553adb719a9577e55b8603e983a608ffe18c0e89d993c
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 WriteProcessMemory 9 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\5c5f373c9798deb6dac4da4ea191df1e0e7a9df9ccf15ca02f3cc76f106206b5.exe"C:\Users\Admin\AppData\Local\Temp\5c5f373c9798deb6dac4da4ea191df1e0e7a9df9ccf15ca02f3cc76f106206b5.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-FBBFV.tmp\5c5f373c9798deb6dac4da4ea191df1e0e7a9df9ccf15ca02f3cc76f106206b5.tmp"C:\Users\Admin\AppData\Local\Temp\is-FBBFV.tmp\5c5f373c9798deb6dac4da4ea191df1e0e7a9df9ccf15ca02f3cc76f106206b5.tmp" /SL5="$50242,1487102,54272,C:\Users\Admin\AppData\Local\Temp\5c5f373c9798deb6dac4da4ea191df1e0e7a9df9ccf15ca02f3cc76f106206b5.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Any Audio Grabber\anyaudiograbber.exe"C:\Users\Admin\AppData\Local\Any Audio Grabber\anyaudiograbber.exe" -i3⤵
- Executes dropped EXE
-
-
C:\Users\Admin\AppData\Local\Any Audio Grabber\anyaudiograbber.exe"C:\Users\Admin\AppData\Local\Any Audio Grabber\anyaudiograbber.exe" -s3⤵
- Executes dropped EXE
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
anyaudiograbber.exe
5c5f373c9798deb6dac4da4ea191df1e0e7a9df9ccf15ca02f3cc76f106206b5.tmp
_iscrypt.dll
memory/1492-77-0x0000000000400000-0x00000000005E3000-memory.dmp
memory/1492-78-0x0000000000930000-0x00000000009D2000-memory.dmp
memory/1492-97-0x0000000000400000-0x00000000005E3000-memory.dmp
memory/1492-94-0x0000000000400000-0x00000000005E3000-memory.dmp
memory/1492-90-0x0000000000400000-0x00000000005E3000-memory.dmp
memory/1492-87-0x0000000000400000-0x00000000005E3000-memory.dmp
memory/1492-45-0x0000000000400000-0x00000000005E3000-memory.dmp
memory/1492-46-0x0000000000400000-0x00000000005E3000-memory.dmp
memory/1492-84-0x0000000000400000-0x00000000005E3000-memory.dmp
memory/1492-81-0x0000000000400000-0x00000000005E3000-memory.dmp
memory/1492-49-0x0000000000400000-0x00000000005E3000-memory.dmp
memory/1492-63-0x0000000000400000-0x00000000005E3000-memory.dmp
memory/1492-53-0x0000000000400000-0x00000000005E3000-memory.dmp
memory/1492-54-0x0000000000400000-0x00000000005E3000-memory.dmp
memory/1492-74-0x0000000000400000-0x00000000005E3000-memory.dmp
memory/1492-68-0x0000000000930000-0x00000000009D2000-memory.dmp
memory/1492-57-0x0000000000400000-0x00000000005E3000-memory.dmp
memory/1492-66-0x0000000000400000-0x00000000005E3000-memory.dmp
memory/1492-67-0x0000000000930000-0x00000000009D2000-memory.dmp
memory/1492-60-0x0000000000400000-0x00000000005E3000-memory.dmp
memory/2932-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2932-47-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4276-6-0x0000000002450000-0x0000000002451000-memory.dmp
memory/4276-50-0x0000000002450000-0x0000000002451000-memory.dmp
memory/4276-48-0x0000000000400000-0x00000000004B8000-memory.dmp
memory/4348-42-0x0000000000400000-0x00000000005E3000-memory.dmp
memory/4348-41-0x0000000000400000-0x00000000005E3000-memory.dmp
memory/4348-38-0x0000000000400000-0x00000000005E3000-memory.dmp
memory/4348-37-0x0000000000400000-0x00000000005E3000-memory.dmp