Analysis
- max time kernel
150s - max time network
149s - platform
windows11-21h2_x64 - resource
win11-20240508-en - resource tags
- submitted
01/06/2024, 20:32
General
- Target 683cc2ee2fa8fcb321b4d10ce9968b92b9b42c0a9c304b098525605f0d164a6d.exe
- Size 6.5MB
- Sample240601-zbc51afa25
- SHA256 683cc2ee2fa8fcb321b4d10ce9968b92b9b42c0a9c304b098525605f0d164a6d
Malware Config
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 FindShellTrayWindow 1 IoCs
- Suspicious use of WriteProcessMemory 9 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\683cc2ee2fa8fcb321b4d10ce9968b92b9b42c0a9c304b098525605f0d164a6d.exe"C:\Users\Admin\AppData\Local\Temp\683cc2ee2fa8fcb321b4d10ce9968b92b9b42c0a9c304b098525605f0d164a6d.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-0VLDD.tmp\683cc2ee2fa8fcb321b4d10ce9968b92b9b42c0a9c304b098525605f0d164a6d.tmp"C:\Users\Admin\AppData\Local\Temp\is-0VLDD.tmp\683cc2ee2fa8fcb321b4d10ce9968b92b9b42c0a9c304b098525605f0d164a6d.tmp" /SL5="$501E4,6608540,54272,C:\Users\Admin\AppData\Local\Temp\683cc2ee2fa8fcb321b4d10ce9968b92b9b42c0a9c304b098525605f0d164a6d.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Berry Player\berryplayer32.exe"C:\Users\Admin\AppData\Local\Berry Player\berryplayer32.exe" -i3⤵
- Executes dropped EXE
-
-
C:\Users\Admin\AppData\Local\Berry Player\berryplayer32.exe"C:\Users\Admin\AppData\Local\Berry Player\berryplayer32.exe" -s3⤵
- Executes dropped EXE
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
berryplayer32.exe
683cc2ee2fa8fcb321b4d10ce9968b92b9b42c0a9c304b098525605f0d164a6d.tmp
_iscrypt.dll
memory/888-3-0x0000000000401000-0x000000000040B000-memory.dmp
memory/888-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/888-69-0x0000000000400000-0x0000000000414000-memory.dmp
memory/964-64-0x0000000000400000-0x0000000000935000-memory.dmp
memory/964-61-0x0000000000400000-0x0000000000935000-memory.dmp
memory/964-59-0x0000000000400000-0x0000000000935000-memory.dmp
memory/964-65-0x0000000000400000-0x0000000000935000-memory.dmp
memory/4048-74-0x0000000000400000-0x0000000000935000-memory.dmp
memory/4048-90-0x0000000000400000-0x0000000000935000-memory.dmp
memory/4048-117-0x0000000000400000-0x0000000000935000-memory.dmp
memory/4048-71-0x0000000000400000-0x0000000000935000-memory.dmp
memory/4048-114-0x0000000000400000-0x0000000000935000-memory.dmp
memory/4048-77-0x0000000000400000-0x0000000000935000-memory.dmp
memory/4048-80-0x0000000000400000-0x0000000000935000-memory.dmp
memory/4048-83-0x0000000000400000-0x0000000000935000-memory.dmp
memory/4048-86-0x00000000027A0000-0x0000000002842000-memory.dmp
memory/4048-68-0x0000000000400000-0x0000000000935000-memory.dmp
memory/4048-93-0x0000000000400000-0x0000000000935000-memory.dmp
memory/4048-96-0x0000000000400000-0x0000000000935000-memory.dmp
memory/4048-99-0x0000000000400000-0x0000000000935000-memory.dmp
memory/4048-102-0x0000000000400000-0x0000000000935000-memory.dmp
memory/4048-105-0x0000000000400000-0x0000000000935000-memory.dmp
memory/4048-108-0x0000000000400000-0x0000000000935000-memory.dmp
memory/4048-109-0x00000000027A0000-0x0000000002842000-memory.dmp
memory/4048-110-0x00000000027A0000-0x0000000002842000-memory.dmp
memory/5036-13-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/5036-70-0x0000000000400000-0x00000000004BA000-memory.dmp