Analysis
-
max time kernel
100s -
max time network
139s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
27-11-2022 02:56
Behavioral task
behavioral1
Sample
2013届毕业生毕业设计分配结果/2013届毕业设计分配名单(按班级排序).xls
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
2013届毕业生毕业设计分配结果/2013届毕业设计分配名单(按班级排序).xls
Resource
win10v2004-20221111-en
Behavioral task
behavioral3
Sample
2013届毕业生毕业设计分配结果/2013届毕业设计分配名单(按老师排序).xls
Resource
win7-20220901-en
Behavioral task
behavioral4
Sample
2013届毕业生毕业设计分配结果/2013届毕业设计分配名单(按老师排序).xls
Resource
win10v2004-20220901-en
General
-
Target
2013届毕业生毕业设计分配结果/2013届毕业设计分配名单(按老师排序).xls
-
Size
200KB
-
MD5
5e7713e2751fa7557db469718be353d1
-
SHA1
b178e8d22a12c64e04b58c52778626dad0c36058
-
SHA256
ececd0807e84c95b7d114cb07458cfdc6015f27d70657f98a099fdd2c2e1bfd4
-
SHA512
5100bc0ee4e29d523db335163e5086b5cb863e3fe7c52bb4442db646d1edeb821396436be900830b5a64f1a4eea6b77f95280a06a1d21bdd5539cf9a2a748331
-
SSDEEP
3072:BRSqhKJZKmWK839SwLk2CmUITDLWQblqHoHZPPFWVbrzQ7ITcZLjhJtXwI8:fScbKyTXWQblqHoHZP3
Malware Config
Signatures
-
Process spawned unexpected child process 3 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
Processes:
cmd.execmd.execmd.exedescription pid pid_target process target process Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 2320 4900 cmd.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 960 4900 cmd.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 2192 4900 cmd.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\SystemFamily EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS EXCEL.EXE -
NTFS ADS 1 IoCs
Processes:
EXCEL.EXEdescription ioc process File created C:\Users\Admin\AppData\Local\Temp\2013届毕业生毕业设计分配结果\B3B65E00\:Zone.Identifier:$DATA EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
EXCEL.EXEpid process 4900 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 14 IoCs
Processes:
EXCEL.EXEpid process 4900 EXCEL.EXE 4900 EXCEL.EXE 4900 EXCEL.EXE 4900 EXCEL.EXE 4900 EXCEL.EXE 4900 EXCEL.EXE 4900 EXCEL.EXE 4900 EXCEL.EXE 4900 EXCEL.EXE 4900 EXCEL.EXE 4900 EXCEL.EXE 4900 EXCEL.EXE 4900 EXCEL.EXE 4900 EXCEL.EXE -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
EXCEL.EXEcmd.exedescription pid process target process PID 4900 wrote to memory of 2320 4900 EXCEL.EXE cmd.exe PID 4900 wrote to memory of 2320 4900 EXCEL.EXE cmd.exe PID 4900 wrote to memory of 960 4900 EXCEL.EXE cmd.exe PID 4900 wrote to memory of 960 4900 EXCEL.EXE cmd.exe PID 4900 wrote to memory of 2192 4900 EXCEL.EXE cmd.exe PID 4900 wrote to memory of 2192 4900 EXCEL.EXE cmd.exe PID 2320 wrote to memory of 344 2320 cmd.exe attrib.exe PID 2320 wrote to memory of 344 2320 cmd.exe attrib.exe -
Views/modifies file attributes 1 TTPs 1 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\2013届毕业生毕业设计分配结果\2013届毕业设计分配名单(按老师排序).xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- NTFS ADS
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"2⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
-
C:\Windows\system32\attrib.exeattrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"3⤵
- Views/modifies file attributes
-
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c Del /F /Q "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"2⤵
- Process spawned unexpected child process
-
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c RD /S /Q "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"2⤵
- Process spawned unexpected child process
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
memory/344-142-0x0000000000000000-mapping.dmp
-
memory/960-140-0x0000000000000000-mapping.dmp
-
memory/2192-141-0x0000000000000000-mapping.dmp
-
memory/2320-139-0x0000000000000000-mapping.dmp
-
memory/4900-136-0x00007FFD94C10000-0x00007FFD94C20000-memory.dmpFilesize
64KB
-
memory/4900-143-0x00000247DCF3B000-0x00000247DCF3D000-memory.dmpFilesize
8KB
-
memory/4900-138-0x00007FFD92AA0000-0x00007FFD92AB0000-memory.dmpFilesize
64KB
-
memory/4900-132-0x00007FFD94C10000-0x00007FFD94C20000-memory.dmpFilesize
64KB
-
memory/4900-135-0x00007FFD94C10000-0x00007FFD94C20000-memory.dmpFilesize
64KB
-
memory/4900-134-0x00007FFD94C10000-0x00007FFD94C20000-memory.dmpFilesize
64KB
-
memory/4900-133-0x00007FFD94C10000-0x00007FFD94C20000-memory.dmpFilesize
64KB
-
memory/4900-137-0x00007FFD92AA0000-0x00007FFD92AB0000-memory.dmpFilesize
64KB
-
memory/4900-144-0x00000247DD047000-0x00000247DD049000-memory.dmpFilesize
8KB
-
memory/4900-145-0x00000247DCF3B000-0x00000247DCF3D000-memory.dmpFilesize
8KB
-
memory/4900-146-0x00000247DD047000-0x00000247DD049000-memory.dmpFilesize
8KB
-
memory/4900-148-0x00007FFD94C10000-0x00007FFD94C20000-memory.dmpFilesize
64KB
-
memory/4900-149-0x00007FFD94C10000-0x00007FFD94C20000-memory.dmpFilesize
64KB
-
memory/4900-150-0x00007FFD94C10000-0x00007FFD94C20000-memory.dmpFilesize
64KB
-
memory/4900-151-0x00007FFD94C10000-0x00007FFD94C20000-memory.dmpFilesize
64KB