Analysis
- max time kernel
121s - max time network
123s - platform
windows7_x64 - resource
win7v20201028 - submitted
31/03/2021, 16:34
Static task
static1
Behavioral task
behavioral1
Sample
document-1035404132.xlsm
Resource
win7v20201028
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
document-1035404132.xlsm
Resource
win10v20201028
windows10_x64
0 signatures
0 seconds
General
- Target document-1035404132.xlsm
- Size 106KB
- Sample210331-smxpfyns4e
- SHA256 cf4ec30c992cd0334e209158088ce304499aaece87949153d0807653ab4f7a81
- MD5 62af0b7448b72fedc58011f2c268cdc3
- SHA1 72f07ef1afcbe4d9f4bb9c80cfa6613ffabc9a03
- SHA512 a692f2da575c4fb62ecf6cadd932fbec1bcb1d0c1a5744a444ff9bcf3e254d46d0b742c2a03c8e09d83fdb94109e1f2fe528db755a52fd61c51a2a30dc7dc394
- MD5 SHA1 SHA512
Score
10/10
Malware Config
Extracted
Language
-
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 1160 2008 rundll32.exe 24 Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 1060 2008 rundll32.exe 24 Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 808 2008 rundll32.exe 24 Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 1492 2008 rundll32.exe 24 Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 568 2008 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 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 (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 (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 (str) \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes" 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 2008 EXCEL.EXE - Suspicious use of SetWindowsHookEx 15 IoCs
pid Process 2008 EXCEL.EXE 2008 EXCEL.EXE 2008 EXCEL.EXE 2008 EXCEL.EXE 2008 EXCEL.EXE 2008 EXCEL.EXE 2008 EXCEL.EXE 2008 EXCEL.EXE 2008 EXCEL.EXE 2008 EXCEL.EXE 2008 EXCEL.EXE 2008 EXCEL.EXE 2008 EXCEL.EXE 2008 EXCEL.EXE 2008 EXCEL.EXE - Suspicious use of WriteProcessMemory 35 IoCs
description pid Process procid_target PID 2008 wrote to memory of 1160 2008 EXCEL.EXE 31 PID 2008 wrote to memory of 1160 2008 EXCEL.EXE 31 PID 2008 wrote to memory of 1160 2008 EXCEL.EXE 31 PID 2008 wrote to memory of 1160 2008 EXCEL.EXE 31 PID 2008 wrote to memory of 1160 2008 EXCEL.EXE 31 PID 2008 wrote to memory of 1160 2008 EXCEL.EXE 31 PID 2008 wrote to memory of 1160 2008 EXCEL.EXE 31 PID 2008 wrote to memory of 1060 2008 EXCEL.EXE 32 PID 2008 wrote to memory of 1060 2008 EXCEL.EXE 32 PID 2008 wrote to memory of 1060 2008 EXCEL.EXE 32 PID 2008 wrote to memory of 1060 2008 EXCEL.EXE 32 PID 2008 wrote to memory of 1060 2008 EXCEL.EXE 32 PID 2008 wrote to memory of 1060 2008 EXCEL.EXE 32 PID 2008 wrote to memory of 1060 2008 EXCEL.EXE 32 PID 2008 wrote to memory of 808 2008 EXCEL.EXE 33 PID 2008 wrote to memory of 808 2008 EXCEL.EXE 33 PID 2008 wrote to memory of 808 2008 EXCEL.EXE 33 PID 2008 wrote to memory of 808 2008 EXCEL.EXE 33 PID 2008 wrote to memory of 808 2008 EXCEL.EXE 33 PID 2008 wrote to memory of 808 2008 EXCEL.EXE 33 PID 2008 wrote to memory of 808 2008 EXCEL.EXE 33 PID 2008 wrote to memory of 1492 2008 EXCEL.EXE 34 PID 2008 wrote to memory of 1492 2008 EXCEL.EXE 34 PID 2008 wrote to memory of 1492 2008 EXCEL.EXE 34 PID 2008 wrote to memory of 1492 2008 EXCEL.EXE 34 PID 2008 wrote to memory of 1492 2008 EXCEL.EXE 34 PID 2008 wrote to memory of 1492 2008 EXCEL.EXE 34 PID 2008 wrote to memory of 1492 2008 EXCEL.EXE 34 PID 2008 wrote to memory of 568 2008 EXCEL.EXE 35 PID 2008 wrote to memory of 568 2008 EXCEL.EXE 35 PID 2008 wrote to memory of 568 2008 EXCEL.EXE 35 PID 2008 wrote to memory of 568 2008 EXCEL.EXE 35 PID 2008 wrote to memory of 568 2008 EXCEL.EXE 35 PID 2008 wrote to memory of 568 2008 EXCEL.EXE 35 PID 2008 wrote to memory of 568 2008 EXCEL.EXE 35
Processes
-
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-1035404132.xlsm1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2008 -
C:\Windows\SysWOW64\rundll32.exerundll32 ..\iekdhfe.dsk,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:1160
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C:\Windows\SysWOW64\rundll32.exerundll32 ..\iekdhfe.dsk1,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:1060
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C:\Windows\SysWOW64\rundll32.exerundll32 ..\iekdhfe.dsk2,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:808
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C:\Windows\SysWOW64\rundll32.exerundll32 ..\iekdhfe.dsk3,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:1492
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C:\Windows\SysWOW64\rundll32.exerundll32 ..\iekdhfe.dsk4,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:568
-