Analysis
- max time kernel
69s - max time network
70s - platform
windows7_x64 - resource
win7v20201028 - submitted
31/03/2021, 17:48
Static task
static1
Behavioral task
behavioral1
Sample
document-1493212695.xlsm
Resource
win7v20201028
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
document-1493212695.xlsm
Resource
win10v20201028
windows10_x64
0 signatures
0 seconds
General
- Target document-1493212695.xlsm
- Size 106KB
- Sample210331-gh94hxp31j
- SHA256 f9a9dc2d140e8a8b94c3d69571305b5954904842e212b24ef23d18b7178abc39
- MD5 230179da1973ec869aa36da5f7d2912d
- SHA1 08b3096afe66f2217539181d9770ffd5c0011f99
- SHA512 b9a4a439706e2b879792c25dc69ff3944521d29bdf098b07de0b3a3807e6305f0a2a8c98c54443daf642f3bc5aba639e3df6c1883141b545984a6b490c5dea15
- MD5 SHA1 SHA512
Score
10/10
Malware Config
Extracted
Language
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xlm4.0
Source
URLs
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xlm40.dropper
https://ieclb.com.br/ds/3103.gif
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xlm40.dropper
https://maharaniworld.com/ds/3103.gif
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xlm40.dropper
https://aycconsultoriaempresarial.com/ds/3103.gif
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xlm40.dropper
https://sgb.ac.ke/ds/3103.gif
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xlm40.dropper
https://hashmati.com/ds/3103.gif
Signatures
- Process spawned unexpected child process 5 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
description pid pid_target Process procid_target Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 904 1908 rundll32.exe 24 Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 564 1908 rundll32.exe 24 Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 1468 1908 rundll32.exe 24 Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 1544 1908 rundll32.exe 24 Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 1664 1908 rundll32.exe 24 - Enumerates system info in registry 2 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor EXCEL.EXE -
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes" EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote EXCEL.EXE Set value (str) \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\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-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel EXCEL.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1" EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\Toolbar EXCEL.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55" EXCEL.EXE Set value (str) \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\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
pid Process 1908 EXCEL.EXE - Suspicious use of SetWindowsHookEx 15 IoCs
pid Process 1908 EXCEL.EXE 1908 EXCEL.EXE 1908 EXCEL.EXE 1908 EXCEL.EXE 1908 EXCEL.EXE 1908 EXCEL.EXE 1908 EXCEL.EXE 1908 EXCEL.EXE 1908 EXCEL.EXE 1908 EXCEL.EXE 1908 EXCEL.EXE 1908 EXCEL.EXE 1908 EXCEL.EXE 1908 EXCEL.EXE 1908 EXCEL.EXE - Suspicious use of WriteProcessMemory 35 IoCs
description pid Process procid_target PID 1908 wrote to memory of 904 1908 EXCEL.EXE 31 PID 1908 wrote to memory of 904 1908 EXCEL.EXE 31 PID 1908 wrote to memory of 904 1908 EXCEL.EXE 31 PID 1908 wrote to memory of 904 1908 EXCEL.EXE 31 PID 1908 wrote to memory of 904 1908 EXCEL.EXE 31 PID 1908 wrote to memory of 904 1908 EXCEL.EXE 31 PID 1908 wrote to memory of 904 1908 EXCEL.EXE 31 PID 1908 wrote to memory of 564 1908 EXCEL.EXE 32 PID 1908 wrote to memory of 564 1908 EXCEL.EXE 32 PID 1908 wrote to memory of 564 1908 EXCEL.EXE 32 PID 1908 wrote to memory of 564 1908 EXCEL.EXE 32 PID 1908 wrote to memory of 564 1908 EXCEL.EXE 32 PID 1908 wrote to memory of 564 1908 EXCEL.EXE 32 PID 1908 wrote to memory of 564 1908 EXCEL.EXE 32 PID 1908 wrote to memory of 1468 1908 EXCEL.EXE 33 PID 1908 wrote to memory of 1468 1908 EXCEL.EXE 33 PID 1908 wrote to memory of 1468 1908 EXCEL.EXE 33 PID 1908 wrote to memory of 1468 1908 EXCEL.EXE 33 PID 1908 wrote to memory of 1468 1908 EXCEL.EXE 33 PID 1908 wrote to memory of 1468 1908 EXCEL.EXE 33 PID 1908 wrote to memory of 1468 1908 EXCEL.EXE 33 PID 1908 wrote to memory of 1544 1908 EXCEL.EXE 34 PID 1908 wrote to memory of 1544 1908 EXCEL.EXE 34 PID 1908 wrote to memory of 1544 1908 EXCEL.EXE 34 PID 1908 wrote to memory of 1544 1908 EXCEL.EXE 34 PID 1908 wrote to memory of 1544 1908 EXCEL.EXE 34 PID 1908 wrote to memory of 1544 1908 EXCEL.EXE 34 PID 1908 wrote to memory of 1544 1908 EXCEL.EXE 34 PID 1908 wrote to memory of 1664 1908 EXCEL.EXE 35 PID 1908 wrote to memory of 1664 1908 EXCEL.EXE 35 PID 1908 wrote to memory of 1664 1908 EXCEL.EXE 35 PID 1908 wrote to memory of 1664 1908 EXCEL.EXE 35 PID 1908 wrote to memory of 1664 1908 EXCEL.EXE 35 PID 1908 wrote to memory of 1664 1908 EXCEL.EXE 35 PID 1908 wrote to memory of 1664 1908 EXCEL.EXE 35
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\document-1493212695.xlsm1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1908 -
C:\Windows\SysWOW64\rundll32.exerundll32 ..\iekdhfe.dsk,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:904
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C:\Windows\SysWOW64\rundll32.exerundll32 ..\iekdhfe.dsk1,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:564
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C:\Windows\SysWOW64\rundll32.exerundll32 ..\iekdhfe.dsk2,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:1468
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C:\Windows\SysWOW64\rundll32.exerundll32 ..\iekdhfe.dsk3,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:1544
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C:\Windows\SysWOW64\rundll32.exerundll32 ..\iekdhfe.dsk4,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:1664
-