Analysis
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max time kernel
69s -
max time network
18s -
platform
windows7_x64 -
resource
win7v20201028 -
submitted
04/03/2021, 17:13
Static task
static1
Behavioral task
behavioral1
Sample
0304_87496944093261.doc
Resource
win7v20201028
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
0304_87496944093261.doc
Resource
win10v20201028
0 signatures
0 seconds
General
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Target
0304_87496944093261.doc
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Size
743KB
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MD5
2e76ea73f95afb9893a3e8bfd622b94d
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SHA1
d0f67a997a35d24f17829b56b71274b6a9cc1aec
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SHA256
f096841c886b3752e0be947526ee7029860badb6af5f56cc9bfff77023f03584
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SHA512
f7775ff1f1a4163db7d5b1ec514e6c55a312c079215dc5d1eb8729f1307d13d6ce166d13ba53cf13731c7280838e08b73616892648fe3a541376adfab148bd5b
Score
10/10
Malware Config
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.
description pid pid_target Process procid_target Parent C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE is not expected to spawn this process 1788 1932 rundll32.exe 24 -
Drops file in Windows directory 1 IoCs
description ioc Process File opened for modification C:\Windows\Debug\WIA\wiatrace.log WINWORD.EXE -
Office loads VBA resources, possible macro or embedded object present
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description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes" WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote WINWORD.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55" WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\Toolbar WINWORD.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" WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel WINWORD.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" WINWORD.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" WINWORD.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 1932 WINWORD.EXE -
Suspicious use of SetWindowsHookEx 16 IoCs
pid Process 1932 WINWORD.EXE 1932 WINWORD.EXE 1932 WINWORD.EXE 1932 WINWORD.EXE 1932 WINWORD.EXE 1932 WINWORD.EXE 1932 WINWORD.EXE 1932 WINWORD.EXE 1932 WINWORD.EXE 1932 WINWORD.EXE 1932 WINWORD.EXE 1932 WINWORD.EXE 1932 WINWORD.EXE 1932 WINWORD.EXE 1932 WINWORD.EXE 1932 WINWORD.EXE -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 1932 wrote to memory of 1984 1932 WINWORD.EXE 26 PID 1932 wrote to memory of 1984 1932 WINWORD.EXE 26 PID 1932 wrote to memory of 1984 1932 WINWORD.EXE 26 PID 1932 wrote to memory of 1984 1932 WINWORD.EXE 26 PID 1932 wrote to memory of 1788 1932 WINWORD.EXE 27 PID 1932 wrote to memory of 1788 1932 WINWORD.EXE 27 PID 1932 wrote to memory of 1788 1932 WINWORD.EXE 27 PID 1932 wrote to memory of 1788 1932 WINWORD.EXE 27 PID 1932 wrote to memory of 1788 1932 WINWORD.EXE 27 PID 1932 wrote to memory of 1788 1932 WINWORD.EXE 27 PID 1932 wrote to memory of 1788 1932 WINWORD.EXE 27
Processes
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C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE"C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\0304_87496944093261.doc"1⤵
- Drops file in Windows directory
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1932 -
C:\Windows\splwow64.exeC:\Windows\splwow64.exe 122882⤵PID:1984
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C:\Windows\SysWOW64\rundll32.exe"C:\Windows\System32\rundll32.exe" c:\users\admin\appdata\local\temp\Static.dll,MUSWRRVXHJV2⤵
- Process spawned unexpected child process
PID:1788
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