Analysis
- max time kernel
137s - max time network
139s - platform
windows10-2004_x64 - resource
win10v2004-20220331-en - submitted
11/04/2022, 08:41
General
- Target sample20220411-01.xlsm
- Size 34KB
- Sample220411-klts6sffa8
- SHA256 aaf14361ecb0bba536581cee0f7f69f5a18501794a943780c2c9b85c834b49a9
Score
10/10
Malware Config
Signatures
- Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
- Program crash 1 IoCs
- 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 behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of SetWindowsHookEx 12 IoCs
- Suspicious use of WriteProcessMemory 2 IoCs
Processes
-
C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
-
C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\sample20220411-01.xlsm"2⤵
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
-
C:\Windows\SYSTEM32\regsvr32.exeregsvr32 -s C:\Users\Admin\AppData\Local\Temp\4137.2⤵
-
-
C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -pss -s 404 -p 4820 -ip 48201⤵
-
C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -u -p 4820 -s 17521⤵
- Program crash
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
memory/2580-124-0x00007FF929950000-0x00007FF929960000-memory.dmp
memory/2580-125-0x00007FF929950000-0x00007FF929960000-memory.dmp
memory/2580-126-0x00007FF929950000-0x00007FF929960000-memory.dmp
memory/2580-127-0x00007FF929950000-0x00007FF929960000-memory.dmp
memory/2580-128-0x00007FF929950000-0x00007FF929960000-memory.dmp
memory/2580-130-0x00007FF929950000-0x00007FF929960000-memory.dmp
memory/2580-131-0x00007FF929950000-0x00007FF929960000-memory.dmp
memory/2580-132-0x00007FF929950000-0x00007FF929960000-memory.dmp
memory/2580-133-0x00007FF929950000-0x00007FF929960000-memory.dmp