Overview
overview
10Static
static
8答辩16�...��.xls
windows7-x64
10答辩16�...��.xls
windows10-2004-x64
10答辩16�...��.xls
windows7-x64
10答辩16�...��.xls
windows10-2004-x64
10答辩16�...��.xls
windows7-x64
10答辩16�...��.xls
windows10-2004-x64
10答辩16�...��.xls
windows7-x64
10答辩16�...��.xls
windows10-2004-x64
10答辩16�...��.xls
windows7-x64
10答辩16�...��.xls
windows10-2004-x64
10答辩16�...��.xls
windows7-x64
10答辩16�...��.xls
windows10-2004-x64
10答辩16�...��.xls
windows7-x64
10答辩16�...��.xls
windows10-2004-x64
1答辩16�...��.xls
windows7-x64
10答辩16�...��.xls
windows10-2004-x64
10答辩16�...��.xls
windows7-x64
10答辩16�...��.xls
windows10-2004-x64
10答辩16�...��.xls
windows7-x64
10答辩16�...��.xls
windows10-2004-x64
10Analysis
-
max time kernel
152s -
max time network
188s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
25-11-2022 19:26
Behavioral task
behavioral1
Sample
答辩16日第10组.xls
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
答辩16日第10组.xls
Resource
win10v2004-20220812-en
Behavioral task
behavioral3
Sample
答辩16日第1组.xls
Resource
win7-20220901-en
Behavioral task
behavioral4
Sample
答辩16日第1组.xls
Resource
win10v2004-20220901-en
Behavioral task
behavioral5
Sample
答辩16日第2组.xls
Resource
win7-20220812-en
Behavioral task
behavioral6
Sample
答辩16日第2组.xls
Resource
win10v2004-20221111-en
Behavioral task
behavioral7
Sample
答辩16日第3组.xls
Resource
win7-20220901-en
Behavioral task
behavioral8
Sample
答辩16日第3组.xls
Resource
win10v2004-20221111-en
Behavioral task
behavioral9
Sample
答辩16日第4组.xls
Resource
win7-20220901-en
Behavioral task
behavioral10
Sample
答辩16日第4组.xls
Resource
win10v2004-20220812-en
Behavioral task
behavioral11
Sample
答辩16日第5组.xls
Resource
win7-20220901-en
Behavioral task
behavioral12
Sample
答辩16日第5组.xls
Resource
win10v2004-20221111-en
Behavioral task
behavioral13
Sample
答辩16日第6组.xls
Resource
win7-20221111-en
Behavioral task
behavioral14
Sample
答辩16日第6组.xls
Resource
win10v2004-20221111-en
Behavioral task
behavioral15
Sample
答辩16日第7组.xls
Resource
win7-20221111-en
Behavioral task
behavioral16
Sample
答辩16日第7组.xls
Resource
win10v2004-20221111-en
Behavioral task
behavioral17
Sample
答辩16日第8组.xls
Resource
win7-20220812-en
Behavioral task
behavioral18
Sample
答辩16日第8组.xls
Resource
win10v2004-20221111-en
Behavioral task
behavioral19
Sample
答辩16日第9组.xls
Resource
win7-20221111-en
Behavioral task
behavioral20
Sample
答辩16日第9组.xls
Resource
win10v2004-20221111-en
General
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Target
答辩16日第4组.xls
-
Size
102KB
-
MD5
bcd93d5d501b3d310bda5e16146e56a3
-
SHA1
c5eb8d988c32ea4c86c7ac02f3ed1c6d73fc61bd
-
SHA256
9c61948c892b5365ef02363b309f10da5916748e4da27acfb9386e02974d9899
-
SHA512
bae554b45049fc599a1383705641c6821a5e857b33cffbe12895a65e2e5a224e4b56a81dc93ddc6defbfffe34d22bd15dfb9da7749cf54ef55250a5638a7a045
-
SSDEEP
1536:8tttB3DgcYuWYWWVbrzlf7ITkR62lGM88wcJtXwRpM2M/MJkd8G:hWVbrzV7ITk9tjDJtXwk5k6dN
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 4092 4876 cmd.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 4724 4876 cmd.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 308 4876 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 opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU EXCEL.EXE -
NTFS ADS 1 IoCs
Processes:
EXCEL.EXEdescription ioc process File created C:\Users\Admin\AppData\Local\Temp\E3A75E00\:Zone.Identifier:$DATA EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
EXCEL.EXEpid process 4876 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 14 IoCs
Processes:
EXCEL.EXEpid process 4876 EXCEL.EXE 4876 EXCEL.EXE 4876 EXCEL.EXE 4876 EXCEL.EXE 4876 EXCEL.EXE 4876 EXCEL.EXE 4876 EXCEL.EXE 4876 EXCEL.EXE 4876 EXCEL.EXE 4876 EXCEL.EXE 4876 EXCEL.EXE 4876 EXCEL.EXE 4876 EXCEL.EXE 4876 EXCEL.EXE -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
EXCEL.EXEcmd.exedescription pid process target process PID 4876 wrote to memory of 4092 4876 EXCEL.EXE cmd.exe PID 4876 wrote to memory of 4092 4876 EXCEL.EXE cmd.exe PID 4876 wrote to memory of 4724 4876 EXCEL.EXE cmd.exe PID 4876 wrote to memory of 4724 4876 EXCEL.EXE cmd.exe PID 4876 wrote to memory of 308 4876 EXCEL.EXE cmd.exe PID 4876 wrote to memory of 308 4876 EXCEL.EXE cmd.exe PID 4092 wrote to memory of 3040 4092 cmd.exe attrib.exe PID 4092 wrote to memory of 3040 4092 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\答辩16日第4组.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
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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
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C:\Windows\system32\attrib.exeattrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"3⤵
- Views/modifies file attributes
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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
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memory/308-141-0x0000000000000000-mapping.dmp
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memory/3040-142-0x0000000000000000-mapping.dmp
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memory/4092-139-0x0000000000000000-mapping.dmp
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memory/4724-140-0x0000000000000000-mapping.dmp
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memory/4876-135-0x00007FFD5C5D0000-0x00007FFD5C5E0000-memory.dmpFilesize
64KB
-
memory/4876-137-0x00007FFD5A380000-0x00007FFD5A390000-memory.dmpFilesize
64KB
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memory/4876-138-0x00007FFD5A380000-0x00007FFD5A390000-memory.dmpFilesize
64KB
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memory/4876-136-0x00007FFD5C5D0000-0x00007FFD5C5E0000-memory.dmpFilesize
64KB
-
memory/4876-132-0x00007FFD5C5D0000-0x00007FFD5C5E0000-memory.dmpFilesize
64KB
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memory/4876-134-0x00007FFD5C5D0000-0x00007FFD5C5E0000-memory.dmpFilesize
64KB
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memory/4876-133-0x00007FFD5C5D0000-0x00007FFD5C5E0000-memory.dmpFilesize
64KB
-
memory/4876-144-0x00007FFD5C5D0000-0x00007FFD5C5E0000-memory.dmpFilesize
64KB
-
memory/4876-145-0x00007FFD5C5D0000-0x00007FFD5C5E0000-memory.dmpFilesize
64KB
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memory/4876-146-0x00007FFD5C5D0000-0x00007FFD5C5E0000-memory.dmpFilesize
64KB
-
memory/4876-147-0x00007FFD5C5D0000-0x00007FFD5C5E0000-memory.dmpFilesize
64KB