Analysis
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max time kernel
171s -
max time network
181s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
27-11-2022 02:54
Behavioral task
behavioral1
Sample
11温州市中小学骨干考核 (1).doc
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
11温州市中小学骨干考核 (1).doc
Resource
win10v2004-20220812-en
Behavioral task
behavioral3
Sample
11温州市中小学骨干考核.doc
Resource
win7-20221111-en
Behavioral task
behavioral4
Sample
11温州市中小学骨干考核.doc
Resource
win10v2004-20220901-en
Behavioral task
behavioral5
Sample
新秀中坚宿将考核表11.xls
Resource
win7-20220812-en
Behavioral task
behavioral6
Sample
新秀中坚宿将考核表11.xls
Resource
win10v2004-20221111-en
Behavioral task
behavioral7
Sample
马上用三个层次(骨干考核).xls
Resource
win7-20220812-en
Behavioral task
behavioral8
Sample
马上用三个层次(骨干考核).xls
Resource
win10v2004-20221111-en
General
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Target
新秀中坚宿将考核表11.xls
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Size
164KB
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MD5
07024a1929b69d53fca7e095b6fa5332
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SHA1
d733ea5977570ba08956bbce3b9aacff1e65f2a2
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SHA256
3c37501e4a4d37feb582ac44f3a4de129794238eb8cb1fe3743831028570c4b7
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SHA512
dacb55482509c40ab08803e3422113d4fa451e267c00f8896b7028f4b5fb44570107764d549e568ed5e2a3d489fc33b5d5a98f16190f632d1fa1dd1ac6cbecd1
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SSDEEP
3072:ZXng+GfjgyRL3s1xHFn2GFmofafT5XV+CKhd/S:mjxkxlnjjQ
Malware Config
Signatures
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Process spawned suspicious child process 1 IoCs
This child process is typically not spawned unless (for example) the parent process crashes. This typically indicates the parent process was unsuccessfully compromised.
Processes:
DW20.EXEdescription pid pid_target process target process Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 2808 4976 DW20.EXE EXCEL.EXE -
Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
EXCEL.EXEdescription ioc process Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString EXCEL.EXE -
Enumerates system info in registry 2 TTPs 3 IoCs
Processes:
EXCEL.EXEdescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
EXCEL.EXEpid process 4976 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
EXCEL.EXEpid process 4976 EXCEL.EXE 4976 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 64 IoCs
Processes:
EXCEL.EXEpid process 4976 EXCEL.EXE 4976 EXCEL.EXE 4976 EXCEL.EXE 4976 EXCEL.EXE 4976 EXCEL.EXE 4976 EXCEL.EXE 4976 EXCEL.EXE 4976 EXCEL.EXE 4976 EXCEL.EXE 4976 EXCEL.EXE 4976 EXCEL.EXE 4976 EXCEL.EXE 4976 EXCEL.EXE 4976 EXCEL.EXE 4976 EXCEL.EXE 4976 EXCEL.EXE 4976 EXCEL.EXE 4976 EXCEL.EXE 4976 EXCEL.EXE 4976 EXCEL.EXE 4976 EXCEL.EXE 4976 EXCEL.EXE 4976 EXCEL.EXE 4976 EXCEL.EXE 4976 EXCEL.EXE 4976 EXCEL.EXE 4976 EXCEL.EXE 4976 EXCEL.EXE 4976 EXCEL.EXE 4976 EXCEL.EXE 4976 EXCEL.EXE 4976 EXCEL.EXE 4976 EXCEL.EXE 4976 EXCEL.EXE 4976 EXCEL.EXE 4976 EXCEL.EXE 4976 EXCEL.EXE 4976 EXCEL.EXE 4976 EXCEL.EXE 4976 EXCEL.EXE 4976 EXCEL.EXE 4976 EXCEL.EXE 4976 EXCEL.EXE 4976 EXCEL.EXE 4976 EXCEL.EXE 4976 EXCEL.EXE 4976 EXCEL.EXE 4976 EXCEL.EXE 4976 EXCEL.EXE 4976 EXCEL.EXE 4976 EXCEL.EXE 4976 EXCEL.EXE 4976 EXCEL.EXE 4976 EXCEL.EXE 4976 EXCEL.EXE 4976 EXCEL.EXE 4976 EXCEL.EXE 4976 EXCEL.EXE 4976 EXCEL.EXE 4976 EXCEL.EXE 4976 EXCEL.EXE 4976 EXCEL.EXE 4976 EXCEL.EXE 4976 EXCEL.EXE -
Suspicious use of WriteProcessMemory 2 IoCs
Processes:
EXCEL.EXEdescription pid process target process PID 4976 wrote to memory of 2808 4976 EXCEL.EXE DW20.EXE PID 4976 wrote to memory of 2808 4976 EXCEL.EXE DW20.EXE
Processes
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C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\新秀中坚宿将考核表11.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE"C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE" -x -s 84442⤵
- Process spawned suspicious child process
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/2808-139-0x0000000000000000-mapping.dmp
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memory/4976-132-0x00007FFA98710000-0x00007FFA98720000-memory.dmpFilesize
64KB
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memory/4976-134-0x00007FFA98710000-0x00007FFA98720000-memory.dmpFilesize
64KB
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memory/4976-133-0x00007FFA98710000-0x00007FFA98720000-memory.dmpFilesize
64KB
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memory/4976-135-0x00007FFA98710000-0x00007FFA98720000-memory.dmpFilesize
64KB
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memory/4976-136-0x00007FFA98710000-0x00007FFA98720000-memory.dmpFilesize
64KB
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memory/4976-137-0x00007FFA966B0000-0x00007FFA966C0000-memory.dmpFilesize
64KB
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memory/4976-138-0x00007FFA966B0000-0x00007FFA966C0000-memory.dmpFilesize
64KB