Analysis
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max time kernel
152s -
max time network
47s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
05/12/2022, 14:20
Behavioral task
behavioral1
Sample
b4c0672704891c561e9af948430d71c8fb1719ee5d130e26143df577f53ce406.xls
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
b4c0672704891c561e9af948430d71c8fb1719ee5d130e26143df577f53ce406.xls
Resource
win10v2004-20221111-en
General
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Target
b4c0672704891c561e9af948430d71c8fb1719ee5d130e26143df577f53ce406.xls
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Size
36KB
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MD5
5f5609ad898d0df50d8a97c273bb63aa
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SHA1
e2c62906409344a63fbe539576bad789733aba4f
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SHA256
b4c0672704891c561e9af948430d71c8fb1719ee5d130e26143df577f53ce406
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SHA512
7163be300200036f4148132cacc85649f4ced3058afedfd07622372dd3e49f31be4fb0e35c5e9e9d476edb43efe4aa7892ebd84a7106a79a82d0ee4c55f002f0
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SSDEEP
768:6///I12wzlFl/sEMeapuONmjDpP1VAqbhxmaR22vFItmd8aYNiKydp5VbRuUr8vq:6///I12wzlFl/sEMeapuONmjDpP1VAqz
Malware Config
Signatures
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Enumerates system info in registry 2 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor EXCEL.EXE -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Toolbar EXCEL.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\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-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel EXCEL.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000" EXCEL.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes" EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\MenuExt EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote EXCEL.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55" EXCEL.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1" EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 328 EXCEL.EXE -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 328 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 328 EXCEL.EXE 328 EXCEL.EXE 328 EXCEL.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 328 wrote to memory of 2024 328 EXCEL.EXE 27 PID 328 wrote to memory of 2024 328 EXCEL.EXE 27 PID 328 wrote to memory of 2024 328 EXCEL.EXE 27 PID 328 wrote to memory of 2024 328 EXCEL.EXE 27
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\b4c0672704891c561e9af948430d71c8fb1719ee5d130e26143df577f53ce406.xls1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:328 -
C:\Windows\splwow64.exeC:\Windows\splwow64.exe 122882⤵PID:2024
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