Analysis
- max time kernel
301s - max time network
300s - platform
windows10-1703_x64 - resource
win10-20240404-en - resource tags
- submitted
30/05/2024, 23:17
General
- Target 9863189f38628e645946b6d3468b285087a61a32c81d64d7aac430d17555279e.exe
- Size 6.0MB
- Sample240530-29t8aaef74
- SHA256 9863189f38628e645946b6d3468b285087a61a32c81d64d7aac430d17555279e
Malware Config
Signatures
- Detect Socks5Systemz Payload 1 IoCs
- Socks5Systemz
Socks5Systemz is a botnet written in C++.
- Executes dropped EXE 3 IoCs
- Loads dropped DLL 3 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\9863189f38628e645946b6d3468b285087a61a32c81d64d7aac430d17555279e.exe"C:\Users\Admin\AppData\Local\Temp\9863189f38628e645946b6d3468b285087a61a32c81d64d7aac430d17555279e.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-NNMF4.tmp\9863189f38628e645946b6d3468b285087a61a32c81d64d7aac430d17555279e.tmp"C:\Users\Admin\AppData\Local\Temp\is-NNMF4.tmp\9863189f38628e645946b6d3468b285087a61a32c81d64d7aac430d17555279e.tmp" /SL5="$50210,5983487,54272,C:\Users\Admin\AppData\Local\Temp\9863189f38628e645946b6d3468b285087a61a32c81d64d7aac430d17555279e.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Ringtone Maker FE\ringtonemakerfe.exe"C:\Users\Admin\AppData\Local\Ringtone Maker FE\ringtonemakerfe.exe" -i3⤵
- Executes dropped EXE
-
-
C:\Users\Admin\AppData\Local\Ringtone Maker FE\ringtonemakerfe.exe"C:\Users\Admin\AppData\Local\Ringtone Maker FE\ringtonemakerfe.exe" -s3⤵
- Executes dropped EXE
-
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
ringtonemakerfe.exe
9863189f38628e645946b6d3468b285087a61a32c81d64d7aac430d17555279e.tmp
_iscrypt.dll
_isdecmp.dll
memory/808-111-0x0000000000400000-0x0000000000768000-memory.dmp
memory/808-108-0x0000000000400000-0x0000000000768000-memory.dmp
memory/808-133-0x0000000000400000-0x0000000000768000-memory.dmp
memory/808-130-0x0000000000400000-0x0000000000768000-memory.dmp
memory/808-127-0x0000000000400000-0x0000000000768000-memory.dmp
memory/808-123-0x0000000000400000-0x0000000000768000-memory.dmp
memory/808-120-0x0000000000400000-0x0000000000768000-memory.dmp
memory/808-117-0x0000000000400000-0x0000000000768000-memory.dmp
memory/808-74-0x0000000000400000-0x0000000000768000-memory.dmp
memory/808-77-0x0000000000400000-0x0000000000768000-memory.dmp
memory/808-80-0x0000000000400000-0x0000000000768000-memory.dmp
memory/808-83-0x0000000000400000-0x0000000000768000-memory.dmp
memory/808-86-0x0000000000400000-0x0000000000768000-memory.dmp
memory/808-89-0x0000000000890000-0x0000000000932000-memory.dmp
memory/808-91-0x0000000000400000-0x0000000000768000-memory.dmp
memory/808-96-0x0000000000400000-0x0000000000768000-memory.dmp
memory/808-99-0x0000000000400000-0x0000000000768000-memory.dmp
memory/808-102-0x0000000000400000-0x0000000000768000-memory.dmp
memory/808-105-0x0000000000400000-0x0000000000768000-memory.dmp
memory/808-114-0x0000000000400000-0x0000000000768000-memory.dmp
memory/2576-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2576-72-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2576-2-0x0000000000401000-0x000000000040B000-memory.dmp
memory/4128-10-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/4128-73-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/4864-66-0x0000000000400000-0x0000000000768000-memory.dmp
memory/4864-69-0x0000000000400000-0x0000000000768000-memory.dmp
memory/4864-65-0x0000000000400000-0x0000000000768000-memory.dmp