Analysis
- max time kernel
292s - max time network
298s - platform
windows10-1703_x64 - resource
win10-20240404-en - resource tags
- submitted
30/05/2024, 23:41
General
- Target fc927938d795503c985680b1dd85b9575739d7fa5ca877924c599ef9306735ce.exe
- Size 4.6MB
- Sample240530-3pvtraef4v
- SHA256 fc927938d795503c985680b1dd85b9575739d7fa5ca877924c599ef9306735ce
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 2 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\fc927938d795503c985680b1dd85b9575739d7fa5ca877924c599ef9306735ce.exe"C:\Users\Admin\AppData\Local\Temp\fc927938d795503c985680b1dd85b9575739d7fa5ca877924c599ef9306735ce.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-GPIUO.tmp\fc927938d795503c985680b1dd85b9575739d7fa5ca877924c599ef9306735ce.tmp"C:\Users\Admin\AppData\Local\Temp\is-GPIUO.tmp\fc927938d795503c985680b1dd85b9575739d7fa5ca877924c599ef9306735ce.tmp" /SL5="$501F6,4527646,54272,C:\Users\Admin\AppData\Local\Temp\fc927938d795503c985680b1dd85b9575739d7fa5ca877924c599ef9306735ce.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Submore Media Player\submoremediaplayer32.exe"C:\Users\Admin\AppData\Local\Submore Media Player\submoremediaplayer32.exe" -i3⤵
- Executes dropped EXE
-
-
C:\Users\Admin\AppData\Local\Submore Media Player\submoremediaplayer32.exe"C:\Users\Admin\AppData\Local\Submore Media Player\submoremediaplayer32.exe" -s3⤵
- Executes dropped EXE
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
submoremediaplayer32.exe
fc927938d795503c985680b1dd85b9575739d7fa5ca877924c599ef9306735ce.tmp
_iscrypt.dll
memory/964-10-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/964-68-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/3188-67-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3188-2-0x0000000000401000-0x000000000040B000-memory.dmp
memory/3188-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3308-106-0x0000000000400000-0x00000000006E2000-memory.dmp
memory/3308-91-0x0000000000400000-0x00000000006E2000-memory.dmp
memory/3308-128-0x0000000000400000-0x00000000006E2000-memory.dmp
memory/3308-125-0x0000000000400000-0x00000000006E2000-memory.dmp
memory/3308-69-0x0000000000400000-0x00000000006E2000-memory.dmp
memory/3308-72-0x0000000000400000-0x00000000006E2000-memory.dmp
memory/3308-75-0x0000000000400000-0x00000000006E2000-memory.dmp
memory/3308-78-0x0000000000400000-0x00000000006E2000-memory.dmp
memory/3308-81-0x0000000000400000-0x00000000006E2000-memory.dmp
memory/3308-82-0x0000000002870000-0x0000000002912000-memory.dmp
memory/3308-86-0x0000000000400000-0x00000000006E2000-memory.dmp
memory/3308-66-0x0000000000400000-0x00000000006E2000-memory.dmp
memory/3308-94-0x0000000000400000-0x00000000006E2000-memory.dmp
memory/3308-97-0x0000000000400000-0x00000000006E2000-memory.dmp
memory/3308-100-0x0000000000400000-0x00000000006E2000-memory.dmp
memory/3308-103-0x0000000000400000-0x00000000006E2000-memory.dmp
memory/3308-122-0x0000000000400000-0x00000000006E2000-memory.dmp
memory/3308-109-0x0000000000400000-0x00000000006E2000-memory.dmp
memory/3308-112-0x0000000000400000-0x00000000006E2000-memory.dmp
memory/3308-115-0x0000000000400000-0x00000000006E2000-memory.dmp
memory/3308-118-0x0000000000400000-0x00000000006E2000-memory.dmp
memory/3668-59-0x0000000000400000-0x00000000006E2000-memory.dmp
memory/3668-63-0x0000000000400000-0x00000000006E2000-memory.dmp
memory/3668-60-0x0000000000400000-0x00000000006E2000-memory.dmp