Analysis
- max time kernel
123s - max time network
171s - platform
windows10-2004_x64 - resource
win10v2004-en-20220113 - submitted
08/02/2022, 12:10
General
- Target 사내 금융업무 상세내역.docx
- Size 107KB
- Sample220208-pb2s9agdcj
- SHA256 5d25e53b59bd2dcf234c6819f8cd294efe6d943d04625b9d575002362794e74a
Malware Config
Signatures
- Drops file in Windows directory 8 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 2 IoCs
- Suspicious use of AdjustPrivilegeToken 64 IoCs
- Suspicious use of SetWindowsHookEx 7 IoCs
Processes
-
C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE"C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\사내 금융업무 상세내역.docx" /o ""1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of AdjustPrivilegeToken
- 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
-
C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exeC:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe -Embedding1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/4744-145-0x000002CB58780000-0x000002CB58790000-memory.dmp
memory/4744-152-0x000002CB5BB60000-0x000002CB5BB64000-memory.dmp
memory/4872-135-0x00007FFB4AC90000-0x00007FFB4AE85000-memory.dmp
memory/4872-141-0x00007FFB4AC90000-0x00007FFB4AE85000-memory.dmp
memory/4872-134-0x00007FFB0AD10000-0x00007FFB0AD20000-memory.dmp
memory/4872-130-0x00007FFB0AD10000-0x00007FFB0AD20000-memory.dmp
memory/4872-136-0x00007FFB4AC90000-0x00007FFB4AE85000-memory.dmp
memory/4872-137-0x00007FFB4AC90000-0x00007FFB4AE85000-memory.dmp
memory/4872-138-0x00007FFB4AC90000-0x00007FFB4AE85000-memory.dmp
memory/4872-140-0x00007FFB4AC90000-0x00007FFB4AE85000-memory.dmp
memory/4872-139-0x00007FFB4AC90000-0x00007FFB4AE85000-memory.dmp
memory/4872-133-0x00007FFB0AD10000-0x00007FFB0AD20000-memory.dmp
memory/4872-142-0x00007FFB4AC90000-0x00007FFB4AE85000-memory.dmp
memory/4872-143-0x00007FFB08950000-0x00007FFB08960000-memory.dmp
memory/4872-144-0x00007FFB08950000-0x00007FFB08960000-memory.dmp
memory/4872-132-0x00007FFB0AD10000-0x00007FFB0AD20000-memory.dmp
memory/4872-131-0x00007FFB0AD10000-0x00007FFB0AD20000-memory.dmp
memory/4872-154-0x00007FFB0AD10000-0x00007FFB0AD20000-memory.dmp
memory/4872-155-0x00007FFB0AD10000-0x00007FFB0AD20000-memory.dmp
memory/4872-156-0x00007FFB0AD10000-0x00007FFB0AD20000-memory.dmp
memory/4872-157-0x00007FFB0AD10000-0x00007FFB0AD20000-memory.dmp
memory/4872-158-0x00007FFB4AC90000-0x00007FFB4AE85000-memory.dmp