Analysis
- max time kernel
148s - max time network
153s - platform
windows11-21h2_x64 - resource
win11-20240419-en - resource tags
- submitted
10/06/2024, 21:50
General
- Target 5af279a3801d8f448ae2888ea1cdecf81142cd89b5bb59a3b9107eb518b3d9a6.exe
- Size 4.7MB
- Sample240610-1p2aessala
- SHA256 5af279a3801d8f448ae2888ea1cdecf81142cd89b5bb59a3b9107eb518b3d9a6
Malware Config
Extracted
-
socks5systemz
-
bebjebh.com
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\5af279a3801d8f448ae2888ea1cdecf81142cd89b5bb59a3b9107eb518b3d9a6.exe"C:\Users\Admin\AppData\Local\Temp\5af279a3801d8f448ae2888ea1cdecf81142cd89b5bb59a3b9107eb518b3d9a6.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-OF6RV.tmp\5af279a3801d8f448ae2888ea1cdecf81142cd89b5bb59a3b9107eb518b3d9a6.tmp"C:\Users\Admin\AppData\Local\Temp\is-OF6RV.tmp\5af279a3801d8f448ae2888ea1cdecf81142cd89b5bb59a3b9107eb518b3d9a6.tmp" /SL5="$40222,4655287,54272,C:\Users\Admin\AppData\Local\Temp\5af279a3801d8f448ae2888ea1cdecf81142cd89b5bb59a3b9107eb518b3d9a6.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio32.exe"C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio32.exe" -i3⤵
- Executes dropped EXE
-
-
C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio32.exe"C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio32.exe" -s3⤵
- Executes dropped EXE
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
linuxmultiMediastudio32.exe
_iscrypt.dll
5af279a3801d8f448ae2888ea1cdecf81142cd89b5bb59a3b9107eb518b3d9a6.tmp
memory/408-70-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/408-16-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/2660-89-0x0000000000400000-0x00000000006CE000-memory.dmp
memory/2660-101-0x0000000000400000-0x00000000006CE000-memory.dmp
memory/2660-116-0x0000000000400000-0x00000000006CE000-memory.dmp
memory/2660-113-0x0000000000400000-0x00000000006CE000-memory.dmp
memory/2660-110-0x0000000000400000-0x00000000006CE000-memory.dmp
memory/2660-68-0x0000000000400000-0x00000000006CE000-memory.dmp
memory/2660-67-0x0000000000400000-0x00000000006CE000-memory.dmp
memory/2660-107-0x0000000000400000-0x00000000006CE000-memory.dmp
memory/2660-104-0x0000000000400000-0x00000000006CE000-memory.dmp
memory/2660-71-0x0000000000400000-0x00000000006CE000-memory.dmp
memory/2660-73-0x0000000000400000-0x00000000006CE000-memory.dmp
memory/2660-75-0x0000000000400000-0x00000000006CE000-memory.dmp
memory/2660-78-0x0000000000400000-0x00000000006CE000-memory.dmp
memory/2660-81-0x0000000000400000-0x00000000006CE000-memory.dmp
memory/2660-84-0x0000000000400000-0x00000000006CE000-memory.dmp
memory/2660-85-0x00000000009D0000-0x0000000000A72000-memory.dmp
memory/2660-98-0x0000000000400000-0x00000000006CE000-memory.dmp
memory/2660-95-0x0000000000400000-0x00000000006CE000-memory.dmp
memory/2872-64-0x0000000000400000-0x000000000047E000-memory.dmp
memory/2872-59-0x0000000000400000-0x00000000006CE000-memory.dmp
memory/2872-62-0x0000000000400000-0x00000000006CE000-memory.dmp
memory/2872-63-0x0000000000400000-0x00000000006CE000-memory.dmp
memory/3592-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3592-3-0x0000000000401000-0x000000000040B000-memory.dmp
memory/3592-69-0x0000000000400000-0x0000000000414000-memory.dmp