Analysis
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max time kernel
117s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
07-09-2024 07:08
Behavioral task
behavioral1
Sample
中小学名单/2012农村中学.xls
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
中小学名单/2012农村中学.xls
Resource
win10v2004-20240802-en
Behavioral task
behavioral3
Sample
中小学名单/2012农村小学.xls
Resource
win7-20240903-en
Behavioral task
behavioral4
Sample
中小学名单/2012农村小学.xls
Resource
win10v2004-20240802-en
Behavioral task
behavioral5
Sample
中小学名单/2012城市中学.xls
Resource
win7-20240903-en
Behavioral task
behavioral6
Sample
中小学名单/2012城市中学.xls
Resource
win10v2004-20240802-en
Behavioral task
behavioral7
Sample
中小学名单/2012城市小学.xls
Resource
win7-20240708-en
Behavioral task
behavioral8
Sample
中小学名单/2012城市小学.xls
Resource
win10v2004-20240802-en
General
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Target
中小学名单/2012城市小学.xls
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Size
137KB
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MD5
441ee7b24964ea16bc493ba8d16cfcc3
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SHA1
494430055b382c317a2de645f02433c730642f88
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SHA256
0a0e20688b031efbaad3dcae47a6419065312914c7fab1e2355074cbef891078
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SHA512
7e8351aeaa01e2a26df1223a9598a3e15bdf790318cad304e20f0b96954cc4e3d6f6baed0b80332c16999cbb3578c347aff9761b9aa0390e681d4a81ac2e9e32
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SSDEEP
1536:fllllJhrYqGu/fgPrMsl/HORPN/Z95qWBco7W0ZF3XAyRmhVY0WVbrzQ7ITkC1xY:l5hW0ZFl0PWVbrzQ7ITkvxU0JtXwslP
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 1848 1292 cmd.exe EXCEL.EXE Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 1820 1292 cmd.exe EXCEL.EXE Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 2028 1292 cmd.exe EXCEL.EXE -
Deletes itself 1 IoCs
Processes:
EXCEL.EXEpid process 1292 EXCEL.EXE -
Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
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System Location Discovery: System Language Discovery 1 TTPs 5 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
cmd.execmd.execmd.exeattrib.exeEXCEL.EXEdescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language attrib.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 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 -
NTFS ADS 1 IoCs
Processes:
EXCEL.EXEdescription ioc process File created C:\Users\Admin\AppData\Local\Temp\中小学名单\5ED67F00\:Zone.Identifier:$DATA EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
EXCEL.EXEpid process 1292 EXCEL.EXE -
Suspicious behavior: RenamesItself 1 IoCs
Processes:
EXCEL.EXEpid process 1292 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 5 IoCs
Processes:
EXCEL.EXEpid process 1292 EXCEL.EXE 1292 EXCEL.EXE 1292 EXCEL.EXE 1292 EXCEL.EXE 1292 EXCEL.EXE -
Suspicious use of WriteProcessMemory 16 IoCs
Processes:
EXCEL.EXEcmd.exedescription pid process target process PID 1292 wrote to memory of 1848 1292 EXCEL.EXE cmd.exe PID 1292 wrote to memory of 1848 1292 EXCEL.EXE cmd.exe PID 1292 wrote to memory of 1848 1292 EXCEL.EXE cmd.exe PID 1292 wrote to memory of 1848 1292 EXCEL.EXE cmd.exe PID 1292 wrote to memory of 1820 1292 EXCEL.EXE cmd.exe PID 1292 wrote to memory of 1820 1292 EXCEL.EXE cmd.exe PID 1292 wrote to memory of 1820 1292 EXCEL.EXE cmd.exe PID 1292 wrote to memory of 1820 1292 EXCEL.EXE cmd.exe PID 1292 wrote to memory of 2028 1292 EXCEL.EXE cmd.exe PID 1292 wrote to memory of 2028 1292 EXCEL.EXE cmd.exe PID 1292 wrote to memory of 2028 1292 EXCEL.EXE cmd.exe PID 1292 wrote to memory of 2028 1292 EXCEL.EXE cmd.exe PID 1848 wrote to memory of 1764 1848 cmd.exe attrib.exe PID 1848 wrote to memory of 1764 1848 cmd.exe attrib.exe PID 1848 wrote to memory of 1764 1848 cmd.exe attrib.exe PID 1848 wrote to memory of 1764 1848 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\中小学名单\2012城市小学.xls1⤵
- Deletes itself
- System Location Discovery: System Language Discovery
- Enumerates system info in registry
- NTFS ADS
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: RenamesItself
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1292 -
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
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1848 -
C:\Windows\SysWOW64\attrib.exeattrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"3⤵
- System Location Discovery: System Language Discovery
- Views/modifies file attributes
PID:1764 -
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
- System Location Discovery: System Language Discovery
PID:1820 -
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
- System Location Discovery: System Language Discovery
PID:2028