Analysis
- max time kernel
150s - max time network
156s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
25/03/2024, 16:49
General
- Target de7ab5045d23659b6fa7d838c3949fcb.xls
- Size 36KB
- Sample240325-vbm8ragb21
- SHA256 9f7932a4f7b174c1bb089fbabe01b65520bba9c55453070dea9d83e8ed2d78f0
Malware Config
Signatures
- Process spawned unexpected child process 1 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
- 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
- Modifies registry class 1 IoCs
- Suspicious behavior: AddClipboardFormatListener 1 IoCs
- Suspicious use of FindShellTrayWindow 1 IoCs
- Suspicious use of SetWindowsHookEx 6 IoCs
- Suspicious use of WriteProcessMemory 4 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\de7ab5045d23659b6fa7d838c3949fcb.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Windows\explorer.exeexplorer.exe C:\Users\Public\Documents\RK6IO5k.vbs2⤵
- Process spawned unexpected child process
-
-
C:\Windows\explorer.exeC:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding1⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
-
C:\Windows\System32\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Public\Documents\RK6IO5k.vbs"2⤵
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
RK6IO5k.vbs
memory/3612-13-0x00007FFCB3890000-0x00007FFCB3A85000-memory.dmp
memory/3612-9-0x00007FFCB3890000-0x00007FFCB3A85000-memory.dmp
memory/3612-3-0x00007FFC73910000-0x00007FFC73920000-memory.dmp
memory/3612-4-0x00007FFCB3890000-0x00007FFCB3A85000-memory.dmp
memory/3612-6-0x00007FFCB3890000-0x00007FFCB3A85000-memory.dmp
memory/3612-7-0x00007FFC73910000-0x00007FFC73920000-memory.dmp
memory/3612-5-0x00007FFC73910000-0x00007FFC73920000-memory.dmp
memory/3612-14-0x00007FFC715B0000-0x00007FFC715C0000-memory.dmp
memory/3612-0-0x00007FFC73910000-0x00007FFC73920000-memory.dmp
memory/3612-11-0x00007FFCB3890000-0x00007FFCB3A85000-memory.dmp
memory/3612-2-0x00007FFC73910000-0x00007FFC73920000-memory.dmp
memory/3612-12-0x00007FFCB3890000-0x00007FFCB3A85000-memory.dmp
memory/3612-8-0x00007FFCB3890000-0x00007FFCB3A85000-memory.dmp
memory/3612-15-0x00007FFCB3890000-0x00007FFCB3A85000-memory.dmp
memory/3612-10-0x00007FFCB3890000-0x00007FFCB3A85000-memory.dmp
memory/3612-16-0x00007FFC715B0000-0x00007FFC715C0000-memory.dmp
memory/3612-17-0x00007FFCB3890000-0x00007FFCB3A85000-memory.dmp
memory/3612-18-0x00007FFCB3890000-0x00007FFCB3A85000-memory.dmp
memory/3612-19-0x00007FFCB3890000-0x00007FFCB3A85000-memory.dmp
memory/3612-1-0x00007FFCB3890000-0x00007FFCB3A85000-memory.dmp
memory/3612-31-0x00007FFCB3890000-0x00007FFCB3A85000-memory.dmp
memory/3612-32-0x00007FFCB3890000-0x00007FFCB3A85000-memory.dmp
memory/3612-33-0x00007FFCB3890000-0x00007FFCB3A85000-memory.dmp