Analysis
- max time kernel
149s - max time network
159s - platform
windows11-21h2_x64 - resource
win11-20240508-en - resource tags
- submitted
31/05/2024, 20:28
General
- Target 42cc92d9f10c2a574aaad5306f86560f267e8251a79f5ed651cc2d7152501487.exe
- Size 4.8MB
- Sample240531-y9a8macb7v
- SHA256 42cc92d9f10c2a574aaad5306f86560f267e8251a79f5ed651cc2d7152501487
Malware Config
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\42cc92d9f10c2a574aaad5306f86560f267e8251a79f5ed651cc2d7152501487.exe"C:\Users\Admin\AppData\Local\Temp\42cc92d9f10c2a574aaad5306f86560f267e8251a79f5ed651cc2d7152501487.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-P01DC.tmp\42cc92d9f10c2a574aaad5306f86560f267e8251a79f5ed651cc2d7152501487.tmp"C:\Users\Admin\AppData\Local\Temp\is-P01DC.tmp\42cc92d9f10c2a574aaad5306f86560f267e8251a79f5ed651cc2d7152501487.tmp" /SL5="$40204,4743762,54272,C:\Users\Admin\AppData\Local\Temp\42cc92d9f10c2a574aaad5306f86560f267e8251a79f5ed651cc2d7152501487.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\DD Sound Recorder\ddsoundrecorder.exe"C:\Users\Admin\AppData\Local\DD Sound Recorder\ddsoundrecorder.exe" -i3⤵
- Executes dropped EXE
-
-
C:\Users\Admin\AppData\Local\DD Sound Recorder\ddsoundrecorder.exe"C:\Users\Admin\AppData\Local\DD Sound Recorder\ddsoundrecorder.exe" -s3⤵
- Executes dropped EXE
-
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
ddsoundrecorder.exe
_iscrypt.dll
42cc92d9f10c2a574aaad5306f86560f267e8251a79f5ed651cc2d7152501487.tmp
memory/1116-71-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/1116-16-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/2004-90-0x0000000000400000-0x0000000000742000-memory.dmp
memory/2004-102-0x0000000000400000-0x0000000000742000-memory.dmp
memory/2004-117-0x0000000000400000-0x0000000000742000-memory.dmp
memory/2004-114-0x0000000000400000-0x0000000000742000-memory.dmp
memory/2004-67-0x0000000000400000-0x0000000000742000-memory.dmp
memory/2004-111-0x0000000000400000-0x0000000000742000-memory.dmp
memory/2004-69-0x0000000000400000-0x0000000000742000-memory.dmp
memory/2004-108-0x0000000000400000-0x0000000000742000-memory.dmp
memory/2004-105-0x0000000000400000-0x0000000000742000-memory.dmp
memory/2004-72-0x0000000000400000-0x0000000000742000-memory.dmp
memory/2004-75-0x0000000000400000-0x0000000000742000-memory.dmp
memory/2004-76-0x0000000000400000-0x0000000000742000-memory.dmp
memory/2004-79-0x0000000000400000-0x0000000000742000-memory.dmp
memory/2004-82-0x0000000000400000-0x0000000000742000-memory.dmp
memory/2004-85-0x0000000000400000-0x0000000000742000-memory.dmp
memory/2004-88-0x0000000000AB0000-0x0000000000B52000-memory.dmp
memory/2004-99-0x0000000000400000-0x0000000000742000-memory.dmp
memory/2004-96-0x0000000000400000-0x0000000000742000-memory.dmp
memory/2388-60-0x0000000000400000-0x0000000000742000-memory.dmp
memory/2388-59-0x0000000000400000-0x0000000000742000-memory.dmp
memory/2388-65-0x0000000000400000-0x0000000000742000-memory.dmp
memory/2388-63-0x0000000000400000-0x0000000000742000-memory.dmp
memory/4804-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4804-2-0x0000000000401000-0x000000000040B000-memory.dmp
memory/4804-70-0x0000000000400000-0x0000000000414000-memory.dmp