Analysis
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max time kernel
102s -
max time network
107s -
platform
windows7_x64 -
resource
win7v20210410 -
submitted
12-05-2021 18:02
Behavioral task
behavioral1
Sample
a1d5ec88_by_Libranalysis.xlsm
Resource
win7v20210410
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
a1d5ec88_by_Libranalysis.xlsm
Resource
win10v20210410
windows10_x64
0 signatures
0 seconds
General
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Target
a1d5ec88_by_Libranalysis.xlsm
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Size
202KB
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MD5
a1d5ec8825c15b0109fe1cc129102340
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SHA1
fcf78f4d8ba71d7899c4bce11069a36a0c9efe59
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SHA256
5eb35d34cec963dffbe9a00781297f8ead356def5dd9955dc7d93211a36e0645
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SHA512
76f6445f4057262798627ed11a77714ffaf8d8c352b5896b0e1651beb294229d5fadb7aa2ecd948adc18a97f3be2e2d8dde4d8858193101e22d5fe01c258c2aa
Score
10/10
Malware Config
Extracted
Language
xlm4.0
Source
URLs
xlm40.dropper
http://188.127.231.165/44328.7491490741.dat
xlm40.dropper
http://45.9.188.108/44328.7491490741.dat
xlm40.dropper
http://188.127.231.225/44328.7491490741.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 (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\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 Key created \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt 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 (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 Key created \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
EXCEL.EXEpid process 1056 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 3 IoCs
Processes:
EXCEL.EXEpid process 1056 EXCEL.EXE 1056 EXCEL.EXE 1056 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\a1d5ec88_by_Libranalysis.xlsm1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:1056
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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memory/1056-59-0x000000002F611000-0x000000002F614000-memory.dmpFilesize
12KB
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memory/1056-60-0x0000000071701000-0x0000000071703000-memory.dmpFilesize
8KB
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memory/1056-61-0x000000005FFF0000-0x0000000060000000-memory.dmpFilesize
64KB
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memory/1056-62-0x000000005FFF0000-0x0000000060000000-memory.dmpFilesize
64KB