Analysis
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max time kernel
69s -
max time network
14s -
platform
windows7_x64 -
resource
win7v20201028 -
submitted
22-02-2021 17:03
Behavioral task
behavioral1
Sample
095dd24006435241df2f18e24e7227a6285f0f2c935e97712fbea0c5af22f61d.xls
Resource
win7v20201028
windows7_x64
0 signatures
0 seconds
General
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Target
095dd24006435241df2f18e24e7227a6285f0f2c935e97712fbea0c5af22f61d.xls
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Size
89KB
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MD5
f5ab73fce5791889d025ffe96cb7da34
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SHA1
01e9b0107095b88a73d66bd1eccb7ad318fe7b75
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SHA256
095dd24006435241df2f18e24e7227a6285f0f2c935e97712fbea0c5af22f61d
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SHA512
8a42795a726b855dd280da10b5b38a480f7ec8b29875880d95aada5f02a67af4034efaebb574c2427baeb86028e9202b6f491ff9927868051c7eb17f55f90818
Score
10/10
Malware Config
Extracted
Language
xlm4.0
Source
URLs
xlm40.dropper
https://shrisaividhyasharam.in/ds/1902.gif
Signatures
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Process spawned unexpected child process 1 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
Processes:
rundll32.exedescription pid pid_target process target process Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 596 1908 rundll32.exe EXCEL.EXE -
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 (int) \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55" EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote EXCEL.EXE Set value (str) \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\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-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt EXCEL.EXE Set value (str) \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\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-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1" EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\Toolbar EXCEL.EXE Set value (str) \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes" EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
EXCEL.EXEpid process 1908 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 3 IoCs
Processes:
EXCEL.EXEpid process 1908 EXCEL.EXE 1908 EXCEL.EXE 1908 EXCEL.EXE -
Suspicious use of WriteProcessMemory 7 IoCs
Processes:
EXCEL.EXEdescription pid process target process PID 1908 wrote to memory of 596 1908 EXCEL.EXE rundll32.exe PID 1908 wrote to memory of 596 1908 EXCEL.EXE rundll32.exe PID 1908 wrote to memory of 596 1908 EXCEL.EXE rundll32.exe PID 1908 wrote to memory of 596 1908 EXCEL.EXE rundll32.exe PID 1908 wrote to memory of 596 1908 EXCEL.EXE rundll32.exe PID 1908 wrote to memory of 596 1908 EXCEL.EXE rundll32.exe PID 1908 wrote to memory of 596 1908 EXCEL.EXE rundll32.exe
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\095dd24006435241df2f18e24e7227a6285f0f2c935e97712fbea0c5af22f61d.xls1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32 ..\iopjvdf.vock,DllRegisterServer2⤵
- Process spawned unexpected child process
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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memory/596-6-0x0000000000000000-mapping.dmp
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memory/596-7-0x0000000076271000-0x0000000076273000-memory.dmpFilesize
8KB
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memory/1096-5-0x000007FEF6270000-0x000007FEF64EA000-memory.dmpFilesize
2.5MB
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memory/1908-2-0x000000002FF51000-0x000000002FF54000-memory.dmpFilesize
12KB
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memory/1908-3-0x00000000714A1000-0x00000000714A3000-memory.dmpFilesize
8KB
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memory/1908-4-0x000000005FFF0000-0x0000000060000000-memory.dmpFilesize
64KB