Analysis
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max time kernel
137s -
max time network
34s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
25-11-2022 19:24
Behavioral task
behavioral1
Sample
2014维修一车间三组修旧利废核算表.xls
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
2014维修一车间三组修旧利废核算表.xls
Resource
win10v2004-20220812-en
Behavioral task
behavioral3
Sample
维修一三组10月月报.xls
Resource
win7-20221111-en
Behavioral task
behavioral4
Sample
维修一三组10月月报.xls
Resource
win10v2004-20220901-en
Behavioral task
behavioral5
Sample
维修一三组10月运转设备报表.xls
Resource
win7-20220901-en
Behavioral task
behavioral6
Sample
维修一三组10月运转设备报表.xls
Resource
win10v2004-20221111-en
General
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Target
2014维修一车间三组修旧利废核算表.xls
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Size
100KB
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MD5
eeef638de5651e59c5dc24836f37306c
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SHA1
be14cdd2fde6dd1165204a81f19b20783e2a4db7
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SHA256
8ab516628cdac8d4a61e48303cc71933e8e2ce18eb0b79eaf63054076c636d76
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SHA512
9b9d9ddad6d987787b35fd481bef6ea477fa8b80691fecb180b0bf9bd345b3cfcde9bba21f1487a0aeabaa3bb12084d963e45c0a7f2a2392105bc29ec6be1a90
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SSDEEP
1536:go777VmRqV+4w75Z5sKJQHnwZ95J6eoJLWVbrzJxE6HD7ITkR62lIM88STJtXwRe:V5zWVbrzJ6KD7ITk9njiJtXwL5kacsG
Malware Config
Signatures
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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 (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 1812 528 cmd.exe EXCEL.EXE Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 1544 528 cmd.exe EXCEL.EXE Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 1640 528 cmd.exe EXCEL.EXE -
Deletes itself 1 IoCs
Processes:
EXCEL.EXEpid process 528 EXCEL.EXE -
Office loads VBA resources, possible macro or embedded object present
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Enumerates system info in registry 2 TTPs 1 IoCs
Processes:
EXCEL.EXEdescription ioc process Key opened \REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor EXCEL.EXE -
Processes:
EXCEL.EXEdescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes" EXCEL.EXE Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105" EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Toolbar EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote EXCEL.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55" EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel EXCEL.EXE Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000" EXCEL.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1" EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\MenuExt EXCEL.EXE -
NTFS ADS 1 IoCs
Processes:
EXCEL.EXEdescription ioc process File created C:\Users\Admin\AppData\Local\Temp\72BD6000\:Zone.Identifier:$DATA EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
EXCEL.EXEpid process 528 EXCEL.EXE -
Suspicious behavior: RenamesItself 1 IoCs
Processes:
EXCEL.EXEpid process 528 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 5 IoCs
Processes:
EXCEL.EXEpid process 528 EXCEL.EXE 528 EXCEL.EXE 528 EXCEL.EXE 528 EXCEL.EXE 528 EXCEL.EXE -
Suspicious use of WriteProcessMemory 16 IoCs
Processes:
EXCEL.EXEcmd.exedescription pid process target process PID 528 wrote to memory of 1812 528 EXCEL.EXE cmd.exe PID 528 wrote to memory of 1812 528 EXCEL.EXE cmd.exe PID 528 wrote to memory of 1812 528 EXCEL.EXE cmd.exe PID 528 wrote to memory of 1812 528 EXCEL.EXE cmd.exe PID 528 wrote to memory of 1640 528 EXCEL.EXE cmd.exe PID 528 wrote to memory of 1640 528 EXCEL.EXE cmd.exe PID 528 wrote to memory of 1640 528 EXCEL.EXE cmd.exe PID 528 wrote to memory of 1640 528 EXCEL.EXE cmd.exe PID 528 wrote to memory of 1544 528 EXCEL.EXE cmd.exe PID 528 wrote to memory of 1544 528 EXCEL.EXE cmd.exe PID 528 wrote to memory of 1544 528 EXCEL.EXE cmd.exe PID 528 wrote to memory of 1544 528 EXCEL.EXE cmd.exe PID 1812 wrote to memory of 1096 1812 cmd.exe attrib.exe PID 1812 wrote to memory of 1096 1812 cmd.exe attrib.exe PID 1812 wrote to memory of 1096 1812 cmd.exe attrib.exe PID 1812 wrote to memory of 1096 1812 cmd.exe attrib.exe -
Views/modifies file attributes 1 TTPs 1 IoCs
Processes
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C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\2014维修一车间三组修旧利废核算表.xls1⤵
- Deletes itself
- Enumerates system info in registry
- Modifies Internet Explorer settings
- NTFS ADS
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: RenamesItself
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\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\SysWOW64\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\SysWOW64\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
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C:\Windows\SysWOW64\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
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/528-54-0x000000002FB31000-0x000000002FB34000-memory.dmpFilesize
12KB
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memory/528-55-0x00000000719F1000-0x00000000719F3000-memory.dmpFilesize
8KB
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memory/528-56-0x000000005FFF0000-0x0000000060000000-memory.dmpFilesize
64KB
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memory/528-57-0x00000000729DD000-0x00000000729E8000-memory.dmpFilesize
44KB
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memory/528-58-0x0000000075DF1000-0x0000000075DF3000-memory.dmpFilesize
8KB
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memory/528-383-0x000000005FFF0000-0x0000000060000000-memory.dmpFilesize
64KB
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memory/528-384-0x00000000729DD000-0x00000000729E8000-memory.dmpFilesize
44KB
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memory/1096-222-0x0000000000000000-mapping.dmp
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memory/1544-221-0x0000000000000000-mapping.dmp
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memory/1640-220-0x0000000000000000-mapping.dmp
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memory/1812-219-0x0000000000000000-mapping.dmp