Analysis
- max time kernel
144s - max time network
138s - platform
windows10_x64 - resource
win10v20201028 - submitted
26/02/2021, 21:13
General
- Target 5.xlsb
- Size 81KB
- Sample210226-ck3ks32fp2
- SHA256 d7e25d6b79316a1f967c23b9c1962e11712bf7938fbe72b3ded8c8ab8f699e6c
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\5.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\1855.dll,DllRegisterServer2⤵
- Process spawned unexpected child process
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/616-2-0x00007FFE498B0000-0x00007FFE498C0000-memory.dmp
memory/616-3-0x00007FFE498B0000-0x00007FFE498C0000-memory.dmp
memory/616-4-0x00007FFE498B0000-0x00007FFE498C0000-memory.dmp
memory/616-5-0x00007FFE498B0000-0x00007FFE498C0000-memory.dmp
memory/616-6-0x00007FFE6CB10000-0x00007FFE6D147000-memory.dmp