Analysis
- max time kernel
146s - max time network
150s - platform
windows11-21h2_x64 - resource
win11-20240508-en - resource tags
- submitted
29/05/2024, 17:54
General
- Target 51f7853ddbd4e3fdd7ee824e3966ab8c437248607bbde8a7593bcc1441699546.exe
- Size 6.1MB
- Sample240529-wg49wsdb76
- SHA256 51f7853ddbd4e3fdd7ee824e3966ab8c437248607bbde8a7593bcc1441699546
Malware Config
Signatures
- Detect Socks5Systemz Payload 3 IoCs
- Socks5Systemz
Socks5Systemz is a botnet written in C++.
- Executes dropped EXE 3 IoCs
- Loads dropped DLL 3 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\51f7853ddbd4e3fdd7ee824e3966ab8c437248607bbde8a7593bcc1441699546.exe"C:\Users\Admin\AppData\Local\Temp\51f7853ddbd4e3fdd7ee824e3966ab8c437248607bbde8a7593bcc1441699546.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-D1D5F.tmp\51f7853ddbd4e3fdd7ee824e3966ab8c437248607bbde8a7593bcc1441699546.tmp"C:\Users\Admin\AppData\Local\Temp\is-D1D5F.tmp\51f7853ddbd4e3fdd7ee824e3966ab8c437248607bbde8a7593bcc1441699546.tmp" /SL5="$6020E,6119931,54272,C:\Users\Admin\AppData\Local\Temp\51f7853ddbd4e3fdd7ee824e3966ab8c437248607bbde8a7593bcc1441699546.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Ringtone Maker FE\ringtonemakerfe.exe"C:\Users\Admin\AppData\Local\Ringtone Maker FE\ringtonemakerfe.exe" -i3⤵
- Executes dropped EXE
-
-
C:\Users\Admin\AppData\Local\Ringtone Maker FE\ringtonemakerfe.exe"C:\Users\Admin\AppData\Local\Ringtone Maker FE\ringtonemakerfe.exe" -s3⤵
- Executes dropped EXE
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
ringtonemakerfe.exe
51f7853ddbd4e3fdd7ee824e3966ab8c437248607bbde8a7593bcc1441699546.tmp
_iscrypt.dll
_isdecmp.dll
memory/1920-76-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/1920-10-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/2924-100-0x0000000000400000-0x000000000078B000-memory.dmp
memory/2924-112-0x0000000000400000-0x000000000078B000-memory.dmp
memory/2924-124-0x0000000000400000-0x000000000078B000-memory.dmp
memory/2924-121-0x0000000000400000-0x000000000078B000-memory.dmp
memory/2924-116-0x0000000002590000-0x0000000002632000-memory.dmp
memory/2924-74-0x0000000000400000-0x000000000078B000-memory.dmp
memory/2924-117-0x0000000002590000-0x0000000002632000-memory.dmp
memory/2924-115-0x0000000000400000-0x000000000078B000-memory.dmp
memory/2924-77-0x0000000000400000-0x000000000078B000-memory.dmp
memory/2924-80-0x0000000000400000-0x000000000078B000-memory.dmp
memory/2924-83-0x0000000000400000-0x000000000078B000-memory.dmp
memory/2924-86-0x0000000000400000-0x000000000078B000-memory.dmp
memory/2924-89-0x0000000000400000-0x000000000078B000-memory.dmp
memory/2924-92-0x0000000002590000-0x0000000002632000-memory.dmp
memory/2924-95-0x0000000000400000-0x000000000078B000-memory.dmp
memory/2924-109-0x0000000000400000-0x000000000078B000-memory.dmp
memory/2924-103-0x0000000000400000-0x000000000078B000-memory.dmp
memory/2924-106-0x0000000000400000-0x000000000078B000-memory.dmp
memory/3748-65-0x0000000000400000-0x000000000078B000-memory.dmp
memory/3748-66-0x0000000000400000-0x000000000078B000-memory.dmp
memory/3748-69-0x0000000000400000-0x000000000078B000-memory.dmp
memory/3748-71-0x0000000000400000-0x000000000078B000-memory.dmp
memory/4660-1-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4660-2-0x0000000000401000-0x000000000040B000-memory.dmp
memory/4660-75-0x0000000000400000-0x0000000000414000-memory.dmp