Analysis
- max time kernel
149s - max time network
152s - platform
windows11-21h2_x64 - resource
win11-20240508-en - resource tags
- submitted
31/05/2024, 03:44
General
- Target 8dc784c1c46afbf731510fa8a170da5a2ffe226d3785a68de48fc0b87177e6bd.exe
- Size 5.1MB
- Sample240531-eax4kaea4w
- SHA256 8dc784c1c46afbf731510fa8a170da5a2ffe226d3785a68de48fc0b87177e6bd
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
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C:\Users\Admin\AppData\Local\Temp\8dc784c1c46afbf731510fa8a170da5a2ffe226d3785a68de48fc0b87177e6bd.exe"C:\Users\Admin\AppData\Local\Temp\8dc784c1c46afbf731510fa8a170da5a2ffe226d3785a68de48fc0b87177e6bd.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-AAQFK.tmp\8dc784c1c46afbf731510fa8a170da5a2ffe226d3785a68de48fc0b87177e6bd.tmp"C:\Users\Admin\AppData\Local\Temp\is-AAQFK.tmp\8dc784c1c46afbf731510fa8a170da5a2ffe226d3785a68de48fc0b87177e6bd.tmp" /SL5="$A01E8,5140288,54272,C:\Users\Admin\AppData\Local\Temp\8dc784c1c46afbf731510fa8a170da5a2ffe226d3785a68de48fc0b87177e6bd.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\VV SoundRecorder\vvsoundrecorder.exe"C:\Users\Admin\AppData\Local\VV SoundRecorder\vvsoundrecorder.exe" -i3⤵
- Executes dropped EXE
-
-
C:\Users\Admin\AppData\Local\VV SoundRecorder\vvsoundrecorder.exe"C:\Users\Admin\AppData\Local\VV SoundRecorder\vvsoundrecorder.exe" -s3⤵
- Executes dropped EXE
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
8dc784c1c46afbf731510fa8a170da5a2ffe226d3785a68de48fc0b87177e6bd.tmp
_iscrypt.dll
vvsoundrecorder.exe
memory/1216-88-0x0000000000400000-0x0000000000743000-memory.dmp
memory/1216-76-0x0000000000400000-0x0000000000743000-memory.dmp
memory/1216-114-0x0000000000400000-0x0000000000743000-memory.dmp
memory/1216-111-0x0000000000400000-0x0000000000743000-memory.dmp
memory/1216-108-0x0000000000400000-0x0000000000743000-memory.dmp
memory/1216-105-0x0000000000400000-0x0000000000743000-memory.dmp
memory/1216-67-0x0000000000400000-0x0000000000743000-memory.dmp
memory/1216-102-0x0000000000400000-0x0000000000743000-memory.dmp
memory/1216-99-0x0000000000400000-0x0000000000743000-memory.dmp
memory/1216-70-0x0000000000400000-0x0000000000743000-memory.dmp
memory/1216-73-0x0000000000400000-0x0000000000743000-memory.dmp
memory/1216-96-0x0000000000400000-0x0000000000743000-memory.dmp
memory/1216-79-0x0000000000400000-0x0000000000743000-memory.dmp
memory/1216-82-0x0000000000400000-0x0000000000743000-memory.dmp
memory/1216-85-0x00000000028F0000-0x0000000002992000-memory.dmp
memory/1216-93-0x0000000000400000-0x0000000000743000-memory.dmp
memory/1436-16-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/1436-69-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/2156-64-0x0000000000400000-0x0000000000743000-memory.dmp
memory/2156-61-0x0000000000400000-0x0000000000743000-memory.dmp
memory/2156-59-0x0000000000400000-0x0000000000743000-memory.dmp
memory/2396-2-0x0000000000401000-0x000000000040B000-memory.dmp
memory/2396-68-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2396-0-0x0000000000400000-0x0000000000414000-memory.dmp