Analysis
- max time kernel
300s - max time network
263s - platform
windows10-1703_x64 - resource
win10-20240404-en - resource tags
- submitted
27/06/2024, 22:40
General
- Target 28199b20abd148a2943b460a647d8e3f430853ebfdae3c9e973aa2d48a6f7055.exe
- Size 5.0MB
- Sample240627-2lp9esxgrp
- SHA256 28199b20abd148a2943b460a647d8e3f430853ebfdae3c9e973aa2d48a6f7055
Malware Config
Extracted
-
socks5systemz
-
diteyui.info
-
http://diteyui.info/search/?q=67e28dd86c0ca77c400cfe4c7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa44e8889b5e4fa9281ae978f271ea771795af8e05c645db22f31dfe339426fa11a366c350adb719a9577e55b8603e983a608ff614c2e7959338
Signatures
- Detect Socks5Systemz Payload 1 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 FindShellTrayWindow 1 IoCs
- Suspicious use of WriteProcessMemory 9 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\28199b20abd148a2943b460a647d8e3f430853ebfdae3c9e973aa2d48a6f7055.exe"C:\Users\Admin\AppData\Local\Temp\28199b20abd148a2943b460a647d8e3f430853ebfdae3c9e973aa2d48a6f7055.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-EC8Q9.tmp\28199b20abd148a2943b460a647d8e3f430853ebfdae3c9e973aa2d48a6f7055.tmp"C:\Users\Admin\AppData\Local\Temp\is-EC8Q9.tmp\28199b20abd148a2943b460a647d8e3f430853ebfdae3c9e973aa2d48a6f7055.tmp" /SL5="$50224,4958388,54272,C:\Users\Admin\AppData\Local\Temp\28199b20abd148a2943b460a647d8e3f430853ebfdae3c9e973aa2d48a6f7055.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Direct WAV MP3 Splitter\directwavmp3splitter.exe"C:\Users\Admin\AppData\Local\Direct WAV MP3 Splitter\directwavmp3splitter.exe" -i3⤵
- Executes dropped EXE
-
-
C:\Users\Admin\AppData\Local\Direct WAV MP3 Splitter\directwavmp3splitter.exe"C:\Users\Admin\AppData\Local\Direct WAV MP3 Splitter\directwavmp3splitter.exe" -s3⤵
- Executes dropped EXE
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
directwavmp3splitter.exe
28199b20abd148a2943b460a647d8e3f430853ebfdae3c9e973aa2d48a6f7055.tmp
_iscrypt.dll
memory/516-2-0x0000000000401000-0x000000000040B000-memory.dmp
memory/516-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/516-68-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3952-69-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/3952-13-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/4468-59-0x0000000000400000-0x000000000072C000-memory.dmp
memory/4468-60-0x0000000000400000-0x000000000072C000-memory.dmp
memory/4468-64-0x0000000000400000-0x000000000072C000-memory.dmp
memory/4772-82-0x0000000000400000-0x000000000072C000-memory.dmp
memory/4772-101-0x0000000000400000-0x000000000072C000-memory.dmp
memory/4772-73-0x0000000000400000-0x000000000072C000-memory.dmp
memory/4772-76-0x0000000000400000-0x000000000072C000-memory.dmp
memory/4772-79-0x0000000000400000-0x000000000072C000-memory.dmp
memory/4772-67-0x0000000000400000-0x000000000072C000-memory.dmp
memory/4772-85-0x0000000000950000-0x00000000009F2000-memory.dmp
memory/4772-87-0x0000000000400000-0x000000000072C000-memory.dmp
memory/4772-92-0x0000000000400000-0x000000000072C000-memory.dmp
memory/4772-95-0x0000000000400000-0x000000000072C000-memory.dmp
memory/4772-98-0x0000000000400000-0x000000000072C000-memory.dmp
memory/4772-70-0x0000000000400000-0x000000000072C000-memory.dmp
memory/4772-104-0x0000000000400000-0x000000000072C000-memory.dmp
memory/4772-107-0x0000000000400000-0x000000000072C000-memory.dmp
memory/4772-111-0x0000000000400000-0x000000000072C000-memory.dmp
memory/4772-114-0x0000000000400000-0x000000000072C000-memory.dmp
memory/4772-117-0x0000000000400000-0x000000000072C000-memory.dmp
memory/4772-120-0x0000000000400000-0x000000000072C000-memory.dmp
memory/4772-123-0x0000000000400000-0x000000000072C000-memory.dmp
memory/4772-126-0x0000000000400000-0x000000000072C000-memory.dmp
memory/4772-131-0x0000000000400000-0x000000000072C000-memory.dmp