Analysis
- max time kernel
141s - max time network
128s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
30/05/2024, 01:04
General
- Target db61ce99227a8d682bd5a5dd24eb205ddf37e13bfcc0bce109ad726cb7d9e071.exe
- Size 5.9MB
- Sample240530-bfebvsgf9v
- SHA256 db61ce99227a8d682bd5a5dd24eb205ddf37e13bfcc0bce109ad726cb7d9e071
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 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\db61ce99227a8d682bd5a5dd24eb205ddf37e13bfcc0bce109ad726cb7d9e071.exe"C:\Users\Admin\AppData\Local\Temp\db61ce99227a8d682bd5a5dd24eb205ddf37e13bfcc0bce109ad726cb7d9e071.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-HBDF8.tmp\db61ce99227a8d682bd5a5dd24eb205ddf37e13bfcc0bce109ad726cb7d9e071.tmp"C:\Users\Admin\AppData\Local\Temp\is-HBDF8.tmp\db61ce99227a8d682bd5a5dd24eb205ddf37e13bfcc0bce109ad726cb7d9e071.tmp" /SL5="$D0066,5970793,54272,C:\Users\Admin\AppData\Local\Temp\db61ce99227a8d682bd5a5dd24eb205ddf37e13bfcc0bce109ad726cb7d9e071.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
_iscrypt.dll
_isdecmp.dll
db61ce99227a8d682bd5a5dd24eb205ddf37e13bfcc0bce109ad726cb7d9e071.tmp
memory/1176-75-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/1176-10-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/1740-98-0x0000000000400000-0x0000000000760000-memory.dmp
memory/1740-101-0x0000000000400000-0x0000000000760000-memory.dmp
memory/1740-120-0x0000000000400000-0x0000000000760000-memory.dmp
memory/1740-117-0x0000000000400000-0x0000000000760000-memory.dmp
memory/1740-113-0x0000000000400000-0x0000000000760000-memory.dmp
memory/1740-73-0x0000000000400000-0x0000000000760000-memory.dmp
memory/1740-110-0x0000000000400000-0x0000000000760000-memory.dmp
memory/1740-107-0x0000000000400000-0x0000000000760000-memory.dmp
memory/1740-76-0x0000000000400000-0x0000000000760000-memory.dmp
memory/1740-79-0x0000000000400000-0x0000000000760000-memory.dmp
memory/1740-82-0x0000000000400000-0x0000000000760000-memory.dmp
memory/1740-85-0x0000000000400000-0x0000000000760000-memory.dmp
memory/1740-88-0x0000000000400000-0x0000000000760000-memory.dmp
memory/1740-91-0x00000000025D0000-0x0000000002672000-memory.dmp
memory/1740-92-0x0000000000400000-0x0000000000760000-memory.dmp
memory/1740-104-0x0000000000400000-0x0000000000760000-memory.dmp
memory/4484-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4484-2-0x0000000000401000-0x000000000040B000-memory.dmp
memory/4484-74-0x0000000000400000-0x0000000000414000-memory.dmp
memory/5040-65-0x0000000000400000-0x0000000000760000-memory.dmp
memory/5040-70-0x0000000000400000-0x0000000000760000-memory.dmp
memory/5040-69-0x0000000000400000-0x0000000000760000-memory.dmp
memory/5040-66-0x0000000000400000-0x0000000000760000-memory.dmp