Analysis
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max time kernel
121s -
max time network
125s -
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城市中学.xls
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Size
143KB
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MD5
58b2fe2ccfd1a8b74ab0ea928cdfd8e2
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SHA1
e1911d4e2dd11414aaf7ba73fe3332e10772a327
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SHA256
ec344428a3d915f86e93e75d51836c029a12e728a64ecd1734bf4985cf3d32a3
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SHA512
50986f91831ac2d062c224745e3d9346b32b6a0b3b13e0f17b7bc24e2e68facfb42d2df833eca5ec037ecce3452fe105c1a82014badb105624bd5ee70153dbe1
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SSDEEP
3072:Lss93EkqzdTKWIIL2j33c0lbxOslU0JtXwXJ/:7ind1iQ
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 876 2408 cmd.exe EXCEL.EXE Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 2044 2408 cmd.exe EXCEL.EXE Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 1748 2408 cmd.exe EXCEL.EXE -
Deletes itself 1 IoCs
Processes:
EXCEL.EXEpid process 2408 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.exeattrib.exeEXCEL.EXEcmd.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 attrib.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language EXCEL.EXE Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.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\69867F00\:Zone.Identifier:$DATA EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
EXCEL.EXEpid process 2408 EXCEL.EXE -
Suspicious behavior: RenamesItself 1 IoCs
Processes:
EXCEL.EXEpid process 2408 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 5 IoCs
Processes:
EXCEL.EXEpid process 2408 EXCEL.EXE 2408 EXCEL.EXE 2408 EXCEL.EXE 2408 EXCEL.EXE 2408 EXCEL.EXE -
Suspicious use of WriteProcessMemory 16 IoCs
Processes:
EXCEL.EXEcmd.exedescription pid process target process PID 2408 wrote to memory of 1748 2408 EXCEL.EXE cmd.exe PID 2408 wrote to memory of 1748 2408 EXCEL.EXE cmd.exe PID 2408 wrote to memory of 1748 2408 EXCEL.EXE cmd.exe PID 2408 wrote to memory of 1748 2408 EXCEL.EXE cmd.exe PID 2408 wrote to memory of 2044 2408 EXCEL.EXE cmd.exe PID 2408 wrote to memory of 2044 2408 EXCEL.EXE cmd.exe PID 2408 wrote to memory of 2044 2408 EXCEL.EXE cmd.exe PID 2408 wrote to memory of 2044 2408 EXCEL.EXE cmd.exe PID 2408 wrote to memory of 876 2408 EXCEL.EXE cmd.exe PID 2408 wrote to memory of 876 2408 EXCEL.EXE cmd.exe PID 2408 wrote to memory of 876 2408 EXCEL.EXE cmd.exe PID 2408 wrote to memory of 876 2408 EXCEL.EXE cmd.exe PID 1748 wrote to memory of 2876 1748 cmd.exe attrib.exe PID 1748 wrote to memory of 2876 1748 cmd.exe attrib.exe PID 1748 wrote to memory of 2876 1748 cmd.exe attrib.exe PID 1748 wrote to memory of 2876 1748 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:2408 -
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:1748 -
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:2876 -
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:2044 -
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:876