Analysis
- max time kernel
144s - max time network
140s - platform
windows10_x64 - resource
win10v20201028 - submitted
26/02/2021, 21:14
General
- Target 47.xlsb
- Size 81KB
- Sample210226-l86xszenms
- SHA256 c1f68f3b7ae759d3fca5bb3595633db07ae16d083fc84df639518feb961c8ab5
Score
10/10
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
- Suspicious behavior: AddClipboardFormatListener 1 IoCs
- Suspicious use of SetWindowsHookEx 12 IoCs
- Suspicious use of WriteProcessMemory 2 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\47.xlsb"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Windows\System32\rundll32.exe"C:\Windows\System32\rundll32.exe" C:\ProgramData\qoqw\7081.dll,DllRegisterServer2⤵
- Process spawned unexpected child process
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/580-2-0x00007FFE76A80000-0x00007FFE76A90000-memory.dmp
memory/580-3-0x00007FFE76A80000-0x00007FFE76A90000-memory.dmp
memory/580-4-0x00007FFE76A80000-0x00007FFE76A90000-memory.dmp
memory/580-5-0x00007FFE99A90000-0x00007FFE9A0C7000-memory.dmp
memory/580-6-0x00007FFE76A80000-0x00007FFE76A90000-memory.dmp