Analysis
- max time kernel
291s - max time network
255s - platform
windows10-1703_x64 - resource
win10-20240404-en - resource tags
- submitted
07/06/2024, 02:33
General
- Target f8dffbdc2fdda06f6132bdc880e9be409fb98b74da7d40ae33c0d8c4881a1430.exe
- Size 6.1MB
- Sample240607-c1y3fagc2s
- SHA256 f8dffbdc2fdda06f6132bdc880e9be409fb98b74da7d40ae33c0d8c4881a1430
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\f8dffbdc2fdda06f6132bdc880e9be409fb98b74da7d40ae33c0d8c4881a1430.exe"C:\Users\Admin\AppData\Local\Temp\f8dffbdc2fdda06f6132bdc880e9be409fb98b74da7d40ae33c0d8c4881a1430.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-9M0L2.tmp\f8dffbdc2fdda06f6132bdc880e9be409fb98b74da7d40ae33c0d8c4881a1430.tmp"C:\Users\Admin\AppData\Local\Temp\is-9M0L2.tmp\f8dffbdc2fdda06f6132bdc880e9be409fb98b74da7d40ae33c0d8c4881a1430.tmp" /SL5="$60226,6137173,54272,C:\Users\Admin\AppData\Local\Temp\f8dffbdc2fdda06f6132bdc880e9be409fb98b74da7d40ae33c0d8c4881a1430.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Free Audio Amplifier\audioamplifier32.exe"C:\Users\Admin\AppData\Local\Free Audio Amplifier\audioamplifier32.exe" -i3⤵
- Executes dropped EXE
-
-
C:\Users\Admin\AppData\Local\Free Audio Amplifier\audioamplifier32.exe"C:\Users\Admin\AppData\Local\Free Audio Amplifier\audioamplifier32.exe" -s3⤵
- Executes dropped EXE
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
audioamplifier32.exe
f8dffbdc2fdda06f6132bdc880e9be409fb98b74da7d40ae33c0d8c4881a1430.tmp
_iscrypt.dll
memory/3456-13-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/3456-69-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/4024-68-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4024-2-0x0000000000401000-0x000000000040B000-memory.dmp
memory/4024-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4716-107-0x0000000000400000-0x0000000000872000-memory.dmp
memory/4716-92-0x0000000000400000-0x0000000000872000-memory.dmp
memory/4716-131-0x0000000000400000-0x0000000000872000-memory.dmp
memory/4716-126-0x0000000000400000-0x0000000000872000-memory.dmp
memory/4716-70-0x0000000000400000-0x0000000000872000-memory.dmp
memory/4716-73-0x0000000000400000-0x0000000000872000-memory.dmp
memory/4716-76-0x0000000000400000-0x0000000000872000-memory.dmp
memory/4716-79-0x0000000000400000-0x0000000000872000-memory.dmp
memory/4716-82-0x0000000000400000-0x0000000000872000-memory.dmp
memory/4716-83-0x0000000000B70000-0x0000000000C12000-memory.dmp
memory/4716-87-0x0000000000400000-0x0000000000872000-memory.dmp
memory/4716-66-0x0000000000400000-0x0000000000872000-memory.dmp
memory/4716-95-0x0000000000400000-0x0000000000872000-memory.dmp
memory/4716-98-0x0000000000400000-0x0000000000872000-memory.dmp
memory/4716-101-0x0000000000400000-0x0000000000872000-memory.dmp
memory/4716-104-0x0000000000400000-0x0000000000872000-memory.dmp
memory/4716-123-0x0000000000400000-0x0000000000872000-memory.dmp
memory/4716-111-0x0000000000400000-0x0000000000872000-memory.dmp
memory/4716-114-0x0000000000400000-0x0000000000872000-memory.dmp
memory/4716-117-0x0000000000400000-0x0000000000872000-memory.dmp
memory/4716-120-0x0000000000400000-0x0000000000872000-memory.dmp
memory/4912-59-0x0000000000400000-0x0000000000872000-memory.dmp
memory/4912-60-0x0000000000400000-0x0000000000872000-memory.dmp
memory/4912-64-0x0000000000400000-0x0000000000872000-memory.dmp