Analysis
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max time kernel
150s -
max time network
151s -
platform
windows7_x64 -
resource
win7v20201028 -
submitted
03/03/2021, 16:13
Static task
static1
Behavioral task
behavioral1
Sample
0303_15995446253021.doc
Resource
win7v20201028
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
0303_15995446253021.doc
Resource
win10v20201028
0 signatures
0 seconds
General
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Target
0303_15995446253021.doc
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Size
775KB
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MD5
f0997b178d0a74aaf3e00089fe30624f
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SHA1
b79f4f71dbd4043ae71795e91f6e85b2af957a32
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SHA256
8770f445c501edf62c9bdf28143e6da5b55d493cac5797b6ecdd81775f76e0da
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SHA512
bfa79cff532419a307ce780d4d8ce270adce30c77377ee3a6bd426850507c4736566cfde632875d6d2c139b8c5c27d821e408edf7a7a2fd4bfaee33844d5b960
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 1732 1968 rundll32.exe 22 -
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 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\MenuExt\E&xport to Microsoft Excel 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 Key created \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\Toolbar 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 (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 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 -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 1968 WINWORD.EXE -
Suspicious use of SetWindowsHookEx 16 IoCs
pid Process 1968 WINWORD.EXE 1968 WINWORD.EXE 1968 WINWORD.EXE 1968 WINWORD.EXE 1968 WINWORD.EXE 1968 WINWORD.EXE 1968 WINWORD.EXE 1968 WINWORD.EXE 1968 WINWORD.EXE 1968 WINWORD.EXE 1968 WINWORD.EXE 1968 WINWORD.EXE 1968 WINWORD.EXE 1968 WINWORD.EXE 1968 WINWORD.EXE 1968 WINWORD.EXE -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 1968 wrote to memory of 1944 1968 WINWORD.EXE 26 PID 1968 wrote to memory of 1944 1968 WINWORD.EXE 26 PID 1968 wrote to memory of 1944 1968 WINWORD.EXE 26 PID 1968 wrote to memory of 1944 1968 WINWORD.EXE 26 PID 1968 wrote to memory of 1732 1968 WINWORD.EXE 27 PID 1968 wrote to memory of 1732 1968 WINWORD.EXE 27 PID 1968 wrote to memory of 1732 1968 WINWORD.EXE 27 PID 1968 wrote to memory of 1732 1968 WINWORD.EXE 27 PID 1968 wrote to memory of 1732 1968 WINWORD.EXE 27 PID 1968 wrote to memory of 1732 1968 WINWORD.EXE 27 PID 1968 wrote to memory of 1732 1968 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\0303_15995446253021.doc"1⤵
- Drops file in Windows directory
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1968 -
C:\Windows\splwow64.exeC:\Windows\splwow64.exe 122882⤵PID:1944
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C:\Windows\SysWOW64\rundll32.exe"C:\Windows\System32\rundll32.exe" c:\users\admin\appdata\local\temp\Static.dll,WIOYJIOLYGA2⤵
- Process spawned unexpected child process
PID:1732
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