Analysis
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max time kernel
118s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-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农村中学.xls
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Size
147KB
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MD5
884d042fdba1b38f60bd07b60d7fc1c1
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SHA1
fd5dcb15aa13e3d83ec000b22a018305f06adbab
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SHA256
c3fd1e89139699f1172cec9064ed64187b880c2ca35a92c330126ac0f9bf659d
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SHA512
337a1edaa3b9cd63233e9fa8f1d9e27e76449e0c861fcaf39a36a9c154b98bd6451c1894d49342a37a032ef1be3cdb77c3b58479d82e5254dc65fe910b472bee
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SSDEEP
3072:vRfzWki0BzuM7MY4O0rQt2jEc0lbxOs2U0J6XwYyJ:G0BzuoSMrih
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 2176 2704 cmd.exe EXCEL.EXE Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 2492 2704 cmd.exe EXCEL.EXE Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 2152 2704 cmd.exe EXCEL.EXE -
Deletes itself 1 IoCs
Processes:
EXCEL.EXEpid process 2704 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:
EXCEL.EXEcmd.execmd.execmd.exeattrib.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language EXCEL.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 cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language attrib.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\D4F67F00\:Zone.Identifier:$DATA EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
EXCEL.EXEpid process 2704 EXCEL.EXE -
Suspicious behavior: RenamesItself 1 IoCs
Processes:
EXCEL.EXEpid process 2704 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 5 IoCs
Processes:
EXCEL.EXEpid process 2704 EXCEL.EXE 2704 EXCEL.EXE 2704 EXCEL.EXE 2704 EXCEL.EXE 2704 EXCEL.EXE -
Suspicious use of WriteProcessMemory 16 IoCs
Processes:
EXCEL.EXEcmd.exedescription pid process target process PID 2704 wrote to memory of 2492 2704 EXCEL.EXE cmd.exe PID 2704 wrote to memory of 2492 2704 EXCEL.EXE cmd.exe PID 2704 wrote to memory of 2492 2704 EXCEL.EXE cmd.exe PID 2704 wrote to memory of 2492 2704 EXCEL.EXE cmd.exe PID 2704 wrote to memory of 2176 2704 EXCEL.EXE cmd.exe PID 2704 wrote to memory of 2176 2704 EXCEL.EXE cmd.exe PID 2704 wrote to memory of 2176 2704 EXCEL.EXE cmd.exe PID 2704 wrote to memory of 2176 2704 EXCEL.EXE cmd.exe PID 2704 wrote to memory of 2152 2704 EXCEL.EXE cmd.exe PID 2704 wrote to memory of 2152 2704 EXCEL.EXE cmd.exe PID 2704 wrote to memory of 2152 2704 EXCEL.EXE cmd.exe PID 2704 wrote to memory of 2152 2704 EXCEL.EXE cmd.exe PID 2492 wrote to memory of 2512 2492 cmd.exe attrib.exe PID 2492 wrote to memory of 2512 2492 cmd.exe attrib.exe PID 2492 wrote to memory of 2512 2492 cmd.exe attrib.exe PID 2492 wrote to memory of 2512 2492 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农村中学.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:2704 -
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:2492 -
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:2512 -
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:2176 -
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:2152