Analysis
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max time kernel
101s -
max time network
100s -
platform
windows7_x64 -
resource
win7v20210408 -
submitted
06-05-2021 13:42
Behavioral task
behavioral1
Sample
1613044558-05062021.xlsm
Resource
win7v20210408
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
1613044558-05062021.xlsm
Resource
win10v20210410
windows10_x64
0 signatures
0 seconds
General
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Target
1613044558-05062021.xlsm
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Size
110KB
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MD5
e43036ff5733aebc5c2f46081c7f9006
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SHA1
e30d56021f158178fbaf7c9d45aa658b924a67e5
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SHA256
7b4801469217b291d85882cf568da70ceb8aec9d82ba3879794fa4bcf99ef25f
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SHA512
f6c4197586371e0fe8051f51a31b80ac9ae199e32dbf14f213276f3513c6b3cc801a046ac400c6e4c107ba4776ea9dd565594334a42c65d1d88a28a5fb8181ff
Score
10/10
Malware Config
Extracted
Language
xlm4.0
Source
URLs
xlm40.dropper
http://185.45.193.74/44313,6048108796.dat
xlm40.dropper
http://195.123.220.175/44313,6048108796.dat
xlm40.dropper
http://45.144.29.253/44313,6048108796.dat
Signatures
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Office loads VBA resources, possible macro or embedded object present
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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-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Toolbar EXCEL.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes" EXCEL.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\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-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55" EXCEL.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000" EXCEL.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1" EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
EXCEL.EXEpid process 736 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 5 IoCs
Processes:
EXCEL.EXEpid process 736 EXCEL.EXE 736 EXCEL.EXE 736 EXCEL.EXE 736 EXCEL.EXE 736 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\1613044558-05062021.xlsm1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:736
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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memory/736-59-0x000000002FE61000-0x000000002FE64000-memory.dmpFilesize
12KB
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memory/736-60-0x00000000716A1000-0x00000000716A3000-memory.dmpFilesize
8KB
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memory/736-61-0x000000005FFF0000-0x0000000060000000-memory.dmpFilesize
64KB
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memory/736-62-0x000000005FFF0000-0x0000000060000000-memory.dmpFilesize
64KB