Analysis
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max time kernel
57s -
max time network
16s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
25-05-2024 03:01
Behavioral task
behavioral1
Sample
028ac77779f633c65a2890ad69de64b605453ed809b456dfaff5c5c17d136d28.doc
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
028ac77779f633c65a2890ad69de64b605453ed809b456dfaff5c5c17d136d28.doc
Resource
win10v2004-20240508-en
General
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Target
028ac77779f633c65a2890ad69de64b605453ed809b456dfaff5c5c17d136d28.doc
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Size
32KB
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MD5
feebb06fb9cde906e1ed6e204e19303a
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SHA1
3f43ebbee9623e2f4167deb9c35794fff53a864a
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SHA256
028ac77779f633c65a2890ad69de64b605453ed809b456dfaff5c5c17d136d28
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SHA512
63c5c02705a9abeb6b8d2f0d1eaf83565e82f7881d527bd8f3856a047f8c00adc2e08d17f121441d541366283926dc76d04525e3bd43691f8f632e72c72b3f97
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SSDEEP
192:7UoH8AZEvAqgT8tQ6/6rJ984woO+QHj1mqOdXa/UDTgI9DtnC50ja+//tpH4/a:7UGliSJPw+QD1mqZU4gnC50jV/t94
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 Key created \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Internet Explorer\MenuExt WINWORD.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105" WINWORD.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55" WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel WINWORD.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1" WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Internet Explorer\Toolbar WINWORD.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes" WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote WINWORD.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000" WINWORD.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
WINWORD.EXEpid process 1952 WINWORD.EXE -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
WINWORD.EXEpid process 1952 WINWORD.EXE 1952 WINWORD.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
WINWORD.EXEdescription pid process target process PID 1952 wrote to memory of 2872 1952 WINWORD.EXE splwow64.exe PID 1952 wrote to memory of 2872 1952 WINWORD.EXE splwow64.exe PID 1952 wrote to memory of 2872 1952 WINWORD.EXE splwow64.exe PID 1952 wrote to memory of 2872 1952 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\028ac77779f633c65a2890ad69de64b605453ed809b456dfaff5c5c17d136d28.doc"1⤵
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1952 -
C:\Windows\splwow64.exeC:\Windows\splwow64.exe 122882⤵PID:2872