Analysis
- max time kernel
148s - max time network
153s - platform
windows11-21h2_x64 - resource
win11-20240508-en - resource tags
- submitted
21/06/2024, 05:57
General
- Target f7b0e6eaa830ff0db16a5a1fa2a2419b3f452e071b208fb5abc627b8b1c59d0c.exe
- Size 4.4MB
- Sample240621-gnvlpstdkm
- SHA256 f7b0e6eaa830ff0db16a5a1fa2a2419b3f452e071b208fb5abc627b8b1c59d0c
Malware Config
Extracted
-
socks5systemz
-
dtbtdck.info
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 3 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\f7b0e6eaa830ff0db16a5a1fa2a2419b3f452e071b208fb5abc627b8b1c59d0c.exe"C:\Users\Admin\AppData\Local\Temp\f7b0e6eaa830ff0db16a5a1fa2a2419b3f452e071b208fb5abc627b8b1c59d0c.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-NPULQ.tmp\f7b0e6eaa830ff0db16a5a1fa2a2419b3f452e071b208fb5abc627b8b1c59d0c.tmp"C:\Users\Admin\AppData\Local\Temp\is-NPULQ.tmp\f7b0e6eaa830ff0db16a5a1fa2a2419b3f452e071b208fb5abc627b8b1c59d0c.tmp" /SL5="$40218,4386810,54272,C:\Users\Admin\AppData\Local\Temp\f7b0e6eaa830ff0db16a5a1fa2a2419b3f452e071b208fb5abc627b8b1c59d0c.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Dibelius\dibelius.exe"C:\Users\Admin\AppData\Local\Dibelius\dibelius.exe" -i3⤵
- Executes dropped EXE
-
-
C:\Users\Admin\AppData\Local\Dibelius\dibelius.exe"C:\Users\Admin\AppData\Local\Dibelius\dibelius.exe" -s3⤵
- Executes dropped EXE
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
dibelius.exe
_iscrypt.dll
f7b0e6eaa830ff0db16a5a1fa2a2419b3f452e071b208fb5abc627b8b1c59d0c.tmp
memory/3740-91-0x0000000000400000-0x0000000000660000-memory.dmp
memory/3740-76-0x0000000000400000-0x0000000000660000-memory.dmp
memory/3740-117-0x0000000000400000-0x0000000000660000-memory.dmp
memory/3740-114-0x0000000000400000-0x0000000000660000-memory.dmp
memory/3740-111-0x0000000000400000-0x0000000000660000-memory.dmp
memory/3740-108-0x0000000000400000-0x0000000000660000-memory.dmp
memory/3740-105-0x0000000000400000-0x0000000000660000-memory.dmp
memory/3740-67-0x0000000000400000-0x0000000000660000-memory.dmp
memory/3740-69-0x0000000000400000-0x0000000000660000-memory.dmp
memory/3740-102-0x0000000000400000-0x0000000000660000-memory.dmp
memory/3740-99-0x0000000000400000-0x0000000000660000-memory.dmp
memory/3740-72-0x0000000000400000-0x0000000000660000-memory.dmp
memory/3740-75-0x0000000000400000-0x0000000000660000-memory.dmp
memory/3740-96-0x0000000000400000-0x0000000000660000-memory.dmp
memory/3740-79-0x0000000000400000-0x0000000000660000-memory.dmp
memory/3740-82-0x0000000000400000-0x0000000000660000-memory.dmp
memory/3740-85-0x0000000000400000-0x0000000000660000-memory.dmp
memory/3740-86-0x0000000000A20000-0x0000000000AC2000-memory.dmp
memory/3932-16-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/3932-71-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/4076-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4076-70-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4076-2-0x0000000000401000-0x000000000040B000-memory.dmp
memory/5016-64-0x0000000000400000-0x0000000000660000-memory.dmp
memory/5016-65-0x0000000000400000-0x000000000047F000-memory.dmp
memory/5016-60-0x0000000000400000-0x0000000000660000-memory.dmp
memory/5016-59-0x0000000000400000-0x0000000000660000-memory.dmp