Analysis
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max time kernel
73s -
max time network
126s -
platform
windows7_x64 -
resource
win7v20201028 -
submitted
24-02-2021 15:53
Behavioral task
behavioral1
Sample
Cancellation_Letter_1478817952-02242021.xls
Resource
win7v20201028
Behavioral task
behavioral2
Sample
Cancellation_Letter_1478817952-02242021.xls
Resource
win10v20201028
General
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Target
Cancellation_Letter_1478817952-02242021.xls
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Size
144KB
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MD5
38e8d1a8dfe9c39a1369f184d018a3ad
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SHA1
bfdd5fdbbd3864df904665a4d2817c9c9232c6b1
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SHA256
cfac4de5500a9183b6e9763dd08559184630fa5629e9b7b75872092dac199676
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SHA512
a2c1817170c42f8c735e1921bacdd601f3594db7c23bd2bd4c9d8b9e203843db561ff2a050dfe8d2a637491b8903651c1dca50b060928d40b174456997f03912
Malware Config
Extracted
http://slmtv.com/tfbgl/44251701445833300000.dat
http://dicomm-001-site35.ctempurl.com/pmslsda/44251701445833300000.dat
http://konyahaberler.xyz/hxjxxwav/44251701445833300000.dat
http://pandsquinny.com/nlbzyhfs/44251701445833300000.dat
Signatures
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Enumerates system info in registry 2 TTPs 1 IoCs
Processes:
EXCEL.EXEdescription ioc process Key opened \REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor EXCEL.EXE -
Processes:
EXCEL.EXEdescription ioc process Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote EXCEL.EXE Set value (str) \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105" EXCEL.EXE Set value (int) \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55" EXCEL.EXE Set value (str) \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000" EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Toolbar EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel EXCEL.EXE Set value (int) \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1" EXCEL.EXE Set value (str) \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes" EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
EXCEL.EXEpid process 528 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 3 IoCs
Processes:
EXCEL.EXEpid process 528 EXCEL.EXE 528 EXCEL.EXE 528 EXCEL.EXE
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\Cancellation_Letter_1478817952-02242021.xls1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/528-2-0x000000002FEE1000-0x000000002FEE4000-memory.dmpFilesize
12KB
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memory/528-3-0x0000000071C01000-0x0000000071C03000-memory.dmpFilesize
8KB
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memory/528-4-0x000000005FFF0000-0x0000000060000000-memory.dmpFilesize
64KB
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memory/1200-5-0x000007FEF7D40000-0x000007FEF7FBA000-memory.dmpFilesize
2.5MB