Analysis
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max time kernel
121s -
max time network
121s -
platform
windows7_x64 -
resource
win7v20210410 -
submitted
06-05-2021 13:15
Behavioral task
behavioral1
Sample
Complaint-675341227-05062021.xlsm
Resource
win7v20210410
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
Complaint-675341227-05062021.xlsm
Resource
win10v20210410
windows10_x64
0 signatures
0 seconds
General
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Target
Complaint-675341227-05062021.xlsm
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Size
110KB
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MD5
5f3235c2e9f620fb7685359585ad4333
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SHA1
7c8edb262f6f8477e34321587ef5f44072d32b72
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SHA256
6a35fc7e42b5c40dcbfe494dc0ac2b8cc94c3c88be69f7a636b97ef189e1a97e
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SHA512
c02e243e25339165053c7e9fe3a19e123f4613439870ecbcc669a24461a92fd26268e9ce4d62daa583ed146444386b5c62f097d13ac3d3cd93a6e94a092d23c3
Score
10/10
Malware Config
Extracted
Language
xlm4.0
Source
URLs
xlm40.dropper
http://91.211.91.83/44313,6048108796.dat
xlm40.dropper
http://190.14.37.46/44313,6048108796.dat
xlm40.dropper
http://185.244.149.204/44313,6048108796.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-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Toolbar EXCEL.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes" EXCEL.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55" EXCEL.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\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-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1" EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote EXCEL.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\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-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
EXCEL.EXEpid process 1088 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 7 IoCs
Processes:
EXCEL.EXEpid process 1088 EXCEL.EXE 1088 EXCEL.EXE 1088 EXCEL.EXE 1088 EXCEL.EXE 1088 EXCEL.EXE 1088 EXCEL.EXE 1088 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\Complaint-675341227-05062021.xlsm1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:1088
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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memory/1088-59-0x000000002FF41000-0x000000002FF44000-memory.dmpFilesize
12KB
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memory/1088-60-0x0000000070EB1000-0x0000000070EB3000-memory.dmpFilesize
8KB
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memory/1088-61-0x000000005FFF0000-0x0000000060000000-memory.dmpFilesize
64KB
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memory/1088-62-0x000000005FFF0000-0x0000000060000000-memory.dmpFilesize
64KB