Analysis
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max time kernel
123s -
max time network
123s -
platform
windows7_x64 -
resource
win7v20210410 -
submitted
06-05-2021 15:00
Behavioral task
behavioral1
Sample
Complaint-517049627-05062021.xlsm
Resource
win7v20210410
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
Complaint-517049627-05062021.xlsm
Resource
win10v20210408
windows10_x64
0 signatures
0 seconds
General
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Target
Complaint-517049627-05062021.xlsm
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Size
109KB
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MD5
7f8b3a9abd3230283b6af2f9a77ee7da
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SHA1
ba2abb881ca750df281f32fc1a8c4ab86adee9d4
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SHA256
89f00407704de8685478fe9ad60a06c038571ef687386567489032910f4459cb
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SHA512
feb60a465cf554949b48dae166cdffe39e6143596e2e6d0b9fe332546a88d65cd06a2086989608f9eb964d14f3359c51527b14e6a14841604d6469dca553a48d
Score
10/10
Malware Config
Extracted
Language
xlm4.0
Source
URLs
xlm40.dropper
http://91.211.91.82/44313,6048108796.dat
xlm40.dropper
http://82.117.252.199/44313,6048108796.dat
xlm40.dropper
http://45.138.157.43/44313,6048108796.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 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 Key created \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel 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\Toolbar 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\Toolbar\ShowDiscussionButton = "Yes" 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 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 -
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-517049627-05062021.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/1088-59-0x000000002F4D1000-0x000000002F4D4000-memory.dmpFilesize
12KB
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memory/1088-60-0x00000000713F1000-0x00000000713F3000-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