Analysis
- max time kernel
292s - max time network
301s - platform
windows10-1703_x64 - resource
win10-20240404-en - resource tags
- submitted
07/06/2024, 01:36
General
- Target c4265581ca520dd08fa35e7ea9bcc7776f7be4fb89f973ff3c2301f1f242bf4f.exe
- Size 6.3MB
- Sample240607-b1cc1afd5v
- SHA256 c4265581ca520dd08fa35e7ea9bcc7776f7be4fb89f973ff3c2301f1f242bf4f
Malware Config
Signatures
- Detect Socks5Systemz Payload 3 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\c4265581ca520dd08fa35e7ea9bcc7776f7be4fb89f973ff3c2301f1f242bf4f.exe"C:\Users\Admin\AppData\Local\Temp\c4265581ca520dd08fa35e7ea9bcc7776f7be4fb89f973ff3c2301f1f242bf4f.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-6D4OO.tmp\c4265581ca520dd08fa35e7ea9bcc7776f7be4fb89f973ff3c2301f1f242bf4f.tmp"C:\Users\Admin\AppData\Local\Temp\is-6D4OO.tmp\c4265581ca520dd08fa35e7ea9bcc7776f7be4fb89f973ff3c2301f1f242bf4f.tmp" /SL5="$7020C,6321865,54272,C:\Users\Admin\AppData\Local\Temp\c4265581ca520dd08fa35e7ea9bcc7776f7be4fb89f973ff3c2301f1f242bf4f.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Free Audio Amplifier\freeaudioamplifier.exe"C:\Users\Admin\AppData\Local\Free Audio Amplifier\freeaudioamplifier.exe" -i3⤵
- Executes dropped EXE
-
-
C:\Users\Admin\AppData\Local\Free Audio Amplifier\freeaudioamplifier.exe"C:\Users\Admin\AppData\Local\Free Audio Amplifier\freeaudioamplifier.exe" -s3⤵
- Executes dropped EXE
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
freeaudioamplifier.exe
c4265581ca520dd08fa35e7ea9bcc7776f7be4fb89f973ff3c2301f1f242bf4f.tmp
_iscrypt.dll
memory/564-59-0x0000000000400000-0x0000000000913000-memory.dmp
memory/564-60-0x0000000000400000-0x0000000000913000-memory.dmp
memory/564-63-0x0000000000400000-0x0000000000913000-memory.dmp
memory/652-68-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/652-10-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/1104-2-0x0000000000401000-0x000000000040B000-memory.dmp
memory/1104-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/1104-67-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2708-81-0x0000000000400000-0x0000000000913000-memory.dmp
memory/2708-100-0x0000000000400000-0x0000000000913000-memory.dmp
memory/2708-72-0x0000000000400000-0x0000000000913000-memory.dmp
memory/2708-75-0x0000000000400000-0x0000000000913000-memory.dmp
memory/2708-78-0x0000000000400000-0x0000000000913000-memory.dmp
memory/2708-66-0x0000000000400000-0x0000000000913000-memory.dmp
memory/2708-83-0x0000000000CB0000-0x0000000000D52000-memory.dmp
memory/2708-86-0x0000000000400000-0x0000000000913000-memory.dmp
memory/2708-91-0x0000000000400000-0x0000000000913000-memory.dmp
memory/2708-94-0x0000000000400000-0x0000000000913000-memory.dmp
memory/2708-97-0x0000000000400000-0x0000000000913000-memory.dmp
memory/2708-69-0x0000000000400000-0x0000000000913000-memory.dmp
memory/2708-103-0x0000000000400000-0x0000000000913000-memory.dmp
memory/2708-106-0x0000000000400000-0x0000000000913000-memory.dmp
memory/2708-110-0x0000000000400000-0x0000000000913000-memory.dmp
memory/2708-113-0x0000000000400000-0x0000000000913000-memory.dmp
memory/2708-116-0x0000000000400000-0x0000000000913000-memory.dmp
memory/2708-119-0x0000000000400000-0x0000000000913000-memory.dmp
memory/2708-122-0x0000000000400000-0x0000000000913000-memory.dmp
memory/2708-125-0x0000000000400000-0x0000000000913000-memory.dmp
memory/2708-126-0x0000000000CB0000-0x0000000000D52000-memory.dmp
memory/2708-127-0x0000000000CB0000-0x0000000000D52000-memory.dmp