Analysis
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max time kernel
56s -
max time network
16s -
platform
windows7_x64 -
resource
win7-20240220-en -
resource tags
arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system -
submitted
25-05-2024 03:49
Behavioral task
behavioral1
Sample
3dcdaeb83e0dd75263b8206e15ba60c1848c3c9ccf0ead21933ade48ff96ebb8.doc
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
3dcdaeb83e0dd75263b8206e15ba60c1848c3c9ccf0ead21933ade48ff96ebb8.doc
Resource
win10v2004-20240508-en
General
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Target
3dcdaeb83e0dd75263b8206e15ba60c1848c3c9ccf0ead21933ade48ff96ebb8.doc
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Size
32KB
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MD5
e59a16ba652e810cf09ea1e1cc3e1711
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SHA1
e136f3bb3ad93f2ff49f8712aefca3ade5c354f6
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SHA256
3dcdaeb83e0dd75263b8206e15ba60c1848c3c9ccf0ead21933ade48ff96ebb8
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SHA512
e45bf06d2ce507cec3c364e8575d0ac478473486bd38508db96046a3e47cb474aa71ea8aa4f49c3d35bbdb9194d735b45a85c93b3b96cdf276567b0f2dad1dbe
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SSDEEP
192:PpQLcjHF6wZEvAqADsu6/6rJ984woO+QHj1qqadLeubE3gGsD49+kCg50jM/stfO:Pp7FiSJPw+QD1qqwbVw+kCg50jEstXM
Malware Config
Signatures
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Office loads VBA resources, possible macro or embedded object present
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Processes:
WINWORD.EXEdescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes" WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Internet Explorer\MenuExt WINWORD.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55" WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Internet Explorer\Toolbar WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote WINWORD.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105" WINWORD.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\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-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1" WINWORD.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
WINWORD.EXEpid process 1636 WINWORD.EXE -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
WINWORD.EXEpid process 1636 WINWORD.EXE 1636 WINWORD.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
WINWORD.EXEdescription pid process target process PID 1636 wrote to memory of 2480 1636 WINWORD.EXE splwow64.exe PID 1636 wrote to memory of 2480 1636 WINWORD.EXE splwow64.exe PID 1636 wrote to memory of 2480 1636 WINWORD.EXE splwow64.exe PID 1636 wrote to memory of 2480 1636 WINWORD.EXE splwow64.exe
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\3dcdaeb83e0dd75263b8206e15ba60c1848c3c9ccf0ead21933ade48ff96ebb8.doc"1⤵
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1636 -
C:\Windows\splwow64.exeC:\Windows\splwow64.exe 122882⤵PID:2480