Analysis
- max time kernel
128s - max time network
138s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
- submitted
20/11/2024, 21:53
General
- Target 3439b7bb9efeed7e306c3629493b8745d1e7c476a50e5278fa3ed98ec40aed6f.xlsm
- Size 38KB
- Sample241120-1rl9aavdnq
- SHA256 3439b7bb9efeed7e306c3629493b8745d1e7c476a50e5278fa3ed98ec40aed6f
Malware Config
Extracted
-
xlm4.0
-
xlm40.dropper
https://pianistprodigy.com/demolms/Ax6ZgvEJJ8HEKfXrp/
-
xlm40.dropper
https://risamfg.com/wp-admin/JtqFQW/
-
xlm40.dropper
https://thailand-rocco.com/wp-content/gE7UvFwLh/
-
xlm40.dropper
https://pregy.org/test/rXTl1DEv0CWCE/
-
xlm40.dropper
https://romusreselling.xyz/wordpress/Lgv7VKTvFFuBH8uct2Eq/
-
xlm40.dropper
https://olawyer.net/wp-includes/e8jtEIL3lFkImOvd9k/
-
xlm40.dropper
https://tebetdanelon.com.br/wp-content/iVrceXC3knlRRl/
Signatures
- Process spawned unexpected child process 1 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
- System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
- Enumerates system info in registry 2 TTPs 3 IoCs
- Suspicious behavior: AddClipboardFormatListener 1 IoCs
- Suspicious use of SetWindowsHookEx 12 IoCs
- Suspicious use of WriteProcessMemory 3 IoCs
Processes
-
C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\3439b7bb9efeed7e306c3629493b8745d1e7c476a50e5278fa3ed98ec40aed6f.xlsm"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWow64\regsvr32.exeC:\Windows\SysWow64\regsvr32.exe -s ..\wnru.ocx2⤵
- Process spawned unexpected child process
- System Location Discovery: System Language Discovery
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
b8ab77100df80ab2.customDestinations-ms
memory/2816-10-0x00007FFC99CB0000-0x00007FFC99EA5000-memory.dmp
memory/2816-9-0x00007FFC99CB0000-0x00007FFC99EA5000-memory.dmp
memory/2816-0-0x00007FFC59D30000-0x00007FFC59D40000-memory.dmp
memory/2816-4-0x00007FFC99CB0000-0x00007FFC99EA5000-memory.dmp
memory/2816-7-0x00007FFC99CB0000-0x00007FFC99EA5000-memory.dmp
memory/2816-6-0x00007FFC99CB0000-0x00007FFC99EA5000-memory.dmp
memory/2816-8-0x00007FFC59D30000-0x00007FFC59D40000-memory.dmp
memory/2816-5-0x00007FFC59D30000-0x00007FFC59D40000-memory.dmp
memory/2816-11-0x00007FFC573D0000-0x00007FFC573E0000-memory.dmp
memory/2816-3-0x00007FFC59D30000-0x00007FFC59D40000-memory.dmp
memory/2816-1-0x00007FFC99D4D000-0x00007FFC99D4E000-memory.dmp
memory/2816-15-0x00007FFC99CB0000-0x00007FFC99EA5000-memory.dmp
memory/2816-12-0x00007FFC99CB0000-0x00007FFC99EA5000-memory.dmp
memory/2816-16-0x00007FFC99CB0000-0x00007FFC99EA5000-memory.dmp
memory/2816-17-0x00007FFC573D0000-0x00007FFC573E0000-memory.dmp
memory/2816-14-0x00007FFC99CB0000-0x00007FFC99EA5000-memory.dmp
memory/2816-13-0x00007FFC99CB0000-0x00007FFC99EA5000-memory.dmp
memory/2816-41-0x00007FFC99CB0000-0x00007FFC99EA5000-memory.dmp
memory/2816-42-0x00007FFC99D4D000-0x00007FFC99D4E000-memory.dmp
memory/2816-43-0x00007FFC99CB0000-0x00007FFC99EA5000-memory.dmp
memory/2816-2-0x00007FFC59D30000-0x00007FFC59D40000-memory.dmp