Analysis
- max time kernel
128s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-en-20220113 - submitted
22/02/2022, 07:22
General
- Target _PreAlert_YMLUW120522667.xlsx
- Size 187KB
- Sample220222-h7albaeae2
- SHA256 e4f4c35d537599a5c643f314d9cfe7a7ac0fdb575280240fd76251018a788cdb
Malware Config
Signatures
- Drops file in Windows directory 6 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 use of AdjustPrivilegeToken 6 IoCs
- Suspicious use of SetWindowsHookEx 12 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\_PreAlert_YMLUW120522667.xlsx"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/2772-136-0x00007FFCA9B50000-0x00007FFCA9B51000-memory.dmp
memory/2772-140-0x00007FFC69B30000-0x00007FFC69B40000-memory.dmp
memory/2772-132-0x00007FFC69B30000-0x00007FFC69B40000-memory.dmp
memory/2772-133-0x00007FFC69B30000-0x00007FFC69B40000-memory.dmp
memory/2772-134-0x00007FFC69B30000-0x00007FFC69B40000-memory.dmp
memory/2772-135-0x00007FFCA9B4D000-0x00007FFCA9B4E000-memory.dmp
memory/2772-131-0x00007FFC69B30000-0x00007FFC69B40000-memory.dmp
memory/2772-144-0x00007FFCA9B4D000-0x00007FFCA9B4E000-memory.dmp
memory/2772-130-0x00007FFC69B30000-0x00007FFC69B40000-memory.dmp
memory/2772-143-0x00007FFC69B30000-0x00007FFC69B40000-memory.dmp
memory/2772-142-0x00007FFC69B30000-0x00007FFC69B40000-memory.dmp
memory/2772-141-0x00007FFC69B30000-0x00007FFC69B40000-memory.dmp
memory/4444-137-0x0000013792930000-0x0000013792940000-memory.dmp
memory/4444-139-0x0000013795680000-0x0000013795684000-memory.dmp
memory/4444-138-0x0000013792990000-0x00000137929A0000-memory.dmp