Analysis
- max time kernel
69s - max time network
70s - platform
windows7_x64 - resource
win7v20201028 - submitted
31/03/2021, 17:28
Static task
static1
Behavioral task
behavioral1
Sample
document-1514757151.xlsm
Resource
win7v20201028
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
document-1514757151.xlsm
Resource
win10v20201028
windows10_x64
0 signatures
0 seconds
General
- Target document-1514757151.xlsm
- Size 106KB
- Sample210331-exav9kfraa
- SHA256 5d23025ffbcefd01f985160d61681a812a9cf118b9010bb80117fb68d11ae228
- MD5 ba980761c328a5c8cac6cf5d2e478204
- SHA1 8170e07ef1de2577775cd4f2d742a5d34cbfa075
- SHA512 5ce65a0fdf3440f6f45fa35d76ab1307e640b82d137a9b7a2bebd36b888946e1d63cb20faaddfc81fad521dcea593344894eb575b2667a421e3738c05f1731d1
- 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 832 1100 rundll32.exe 24 Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 1468 1100 rundll32.exe 24 Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 948 1100 rundll32.exe 24 Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 588 1100 rundll32.exe 24 Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 984 1100 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 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 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\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000" EXCEL.EXE Set value (str) \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes" 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 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 - Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 1100 EXCEL.EXE - Suspicious use of SetWindowsHookEx 15 IoCs
pid Process 1100 EXCEL.EXE 1100 EXCEL.EXE 1100 EXCEL.EXE 1100 EXCEL.EXE 1100 EXCEL.EXE 1100 EXCEL.EXE 1100 EXCEL.EXE 1100 EXCEL.EXE 1100 EXCEL.EXE 1100 EXCEL.EXE 1100 EXCEL.EXE 1100 EXCEL.EXE 1100 EXCEL.EXE 1100 EXCEL.EXE 1100 EXCEL.EXE - Suspicious use of WriteProcessMemory 35 IoCs
description pid Process procid_target PID 1100 wrote to memory of 832 1100 EXCEL.EXE 31 PID 1100 wrote to memory of 832 1100 EXCEL.EXE 31 PID 1100 wrote to memory of 832 1100 EXCEL.EXE 31 PID 1100 wrote to memory of 832 1100 EXCEL.EXE 31 PID 1100 wrote to memory of 832 1100 EXCEL.EXE 31 PID 1100 wrote to memory of 832 1100 EXCEL.EXE 31 PID 1100 wrote to memory of 832 1100 EXCEL.EXE 31 PID 1100 wrote to memory of 1468 1100 EXCEL.EXE 32 PID 1100 wrote to memory of 1468 1100 EXCEL.EXE 32 PID 1100 wrote to memory of 1468 1100 EXCEL.EXE 32 PID 1100 wrote to memory of 1468 1100 EXCEL.EXE 32 PID 1100 wrote to memory of 1468 1100 EXCEL.EXE 32 PID 1100 wrote to memory of 1468 1100 EXCEL.EXE 32 PID 1100 wrote to memory of 1468 1100 EXCEL.EXE 32 PID 1100 wrote to memory of 948 1100 EXCEL.EXE 33 PID 1100 wrote to memory of 948 1100 EXCEL.EXE 33 PID 1100 wrote to memory of 948 1100 EXCEL.EXE 33 PID 1100 wrote to memory of 948 1100 EXCEL.EXE 33 PID 1100 wrote to memory of 948 1100 EXCEL.EXE 33 PID 1100 wrote to memory of 948 1100 EXCEL.EXE 33 PID 1100 wrote to memory of 948 1100 EXCEL.EXE 33 PID 1100 wrote to memory of 588 1100 EXCEL.EXE 34 PID 1100 wrote to memory of 588 1100 EXCEL.EXE 34 PID 1100 wrote to memory of 588 1100 EXCEL.EXE 34 PID 1100 wrote to memory of 588 1100 EXCEL.EXE 34 PID 1100 wrote to memory of 588 1100 EXCEL.EXE 34 PID 1100 wrote to memory of 588 1100 EXCEL.EXE 34 PID 1100 wrote to memory of 588 1100 EXCEL.EXE 34 PID 1100 wrote to memory of 984 1100 EXCEL.EXE 35 PID 1100 wrote to memory of 984 1100 EXCEL.EXE 35 PID 1100 wrote to memory of 984 1100 EXCEL.EXE 35 PID 1100 wrote to memory of 984 1100 EXCEL.EXE 35 PID 1100 wrote to memory of 984 1100 EXCEL.EXE 35 PID 1100 wrote to memory of 984 1100 EXCEL.EXE 35 PID 1100 wrote to memory of 984 1100 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-1514757151.xlsm1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1100 -
C:\Windows\SysWOW64\rundll32.exerundll32 ..\iekdhfe.dsk,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:832
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C:\Windows\SysWOW64\rundll32.exerundll32 ..\iekdhfe.dsk1,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:1468
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C:\Windows\SysWOW64\rundll32.exerundll32 ..\iekdhfe.dsk2,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:948
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C:\Windows\SysWOW64\rundll32.exerundll32 ..\iekdhfe.dsk3,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:588
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C:\Windows\SysWOW64\rundll32.exerundll32 ..\iekdhfe.dsk4,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:984
-