Analysis
- max time kernel
144s - max time network
153s - platform
windows11-21h2_x64 - resource
win11-20240221-en - resource tags
- submitted
31/03/2024, 15:48
General
- Target 52c54837a3266152e33427c51372a05e5d88906e65930733b8443ac05b92b4d2.exe
- Size 1.8MB
- Sample240331-s9adfaec7y
- SHA256 52c54837a3266152e33427c51372a05e5d88906e65930733b8443ac05b92b4d2
Malware Config
Extracted
-
socks5systemz
-
http://ayhwpei.ru/search/?q=67e28dd86f58a021415baa1e7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4fe8889b5e4fa9281ae978a471ea771795af8e05c645db22f31dfe339426fa12a466c553adb719a9577e55b8603e983a608ffe18c0ef979b3b
-
http://ayhwpei.ru/search/?q=67e28dd86f58a021415baa1e7c27d78406abdd88be4b12eab517aa5c96bd86e897844c885a8bbc896c58e713bc90c91a36b5281fc235a925ed3e07d6bd974a95129070b616e96cc92be510b866db51b9e34eed4c2b14a82966836f23d7f210c7ee94933bcd6d9716
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\52c54837a3266152e33427c51372a05e5d88906e65930733b8443ac05b92b4d2.exe"C:\Users\Admin\AppData\Local\Temp\52c54837a3266152e33427c51372a05e5d88906e65930733b8443ac05b92b4d2.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-2LJN3.tmp\52c54837a3266152e33427c51372a05e5d88906e65930733b8443ac05b92b4d2.tmp"C:\Users\Admin\AppData\Local\Temp\is-2LJN3.tmp\52c54837a3266152e33427c51372a05e5d88906e65930733b8443ac05b92b4d2.tmp" /SL5="$E023E,1519319,54272,C:\Users\Admin\AppData\Local\Temp\52c54837a3266152e33427c51372a05e5d88906e65930733b8443ac05b92b4d2.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
52c54837a3266152e33427c51372a05e5d88906e65930733b8443ac05b92b4d2.tmp
_iscrypt.dll
memory/684-47-0x0000000000400000-0x00000000004B8000-memory.dmp
memory/684-6-0x0000000002340000-0x0000000002341000-memory.dmp
memory/684-49-0x0000000002340000-0x0000000002341000-memory.dmp
memory/2328-38-0x0000000000400000-0x00000000005F2000-memory.dmp
memory/2328-42-0x0000000000400000-0x00000000005F2000-memory.dmp
memory/2328-41-0x0000000000400000-0x00000000005F2000-memory.dmp
memory/2328-37-0x0000000000400000-0x00000000005F2000-memory.dmp
memory/3412-56-0x0000000000400000-0x00000000005F2000-memory.dmp
memory/3412-83-0x0000000000400000-0x00000000005F2000-memory.dmp
memory/3412-48-0x0000000000400000-0x00000000005F2000-memory.dmp
memory/3412-45-0x0000000000400000-0x00000000005F2000-memory.dmp
memory/3412-52-0x0000000000400000-0x00000000005F2000-memory.dmp
memory/3412-53-0x0000000000400000-0x00000000005F2000-memory.dmp
memory/3412-98-0x0000000000400000-0x00000000005F2000-memory.dmp
memory/3412-59-0x0000000000400000-0x00000000005F2000-memory.dmp
memory/3412-62-0x0000000000400000-0x00000000005F2000-memory.dmp
memory/3412-65-0x0000000000400000-0x00000000005F2000-memory.dmp
memory/3412-67-0x0000000000A00000-0x0000000000AA2000-memory.dmp
memory/3412-66-0x0000000000A00000-0x0000000000AA2000-memory.dmp
memory/3412-73-0x0000000000400000-0x00000000005F2000-memory.dmp
memory/3412-76-0x0000000000400000-0x00000000005F2000-memory.dmp
memory/3412-77-0x0000000000A00000-0x0000000000AA2000-memory.dmp
memory/3412-80-0x0000000000400000-0x00000000005F2000-memory.dmp
memory/3412-95-0x0000000000400000-0x00000000005F2000-memory.dmp
memory/3412-86-0x0000000000400000-0x00000000005F2000-memory.dmp
memory/3412-89-0x0000000000400000-0x00000000005F2000-memory.dmp
memory/3412-90-0x0000000000A00000-0x0000000000AA2000-memory.dmp
memory/3412-91-0x0000000000A00000-0x0000000000AA2000-memory.dmp
memory/4896-46-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4896-0-0x0000000000400000-0x0000000000414000-memory.dmp