Analysis
- max time kernel
71s - max time network
73s - platform
windows7_x64 - resource
win7v20201028 - submitted
31/03/2021, 16:24
Static task
static1
Behavioral task
behavioral1
Sample
document-1371682618.xlsm
Resource
win7v20201028
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
document-1371682618.xlsm
Resource
win10v20201028
windows10_x64
0 signatures
0 seconds
General
- Target document-1371682618.xlsm
- Size 106KB
- Sample210331-ysj226j6j2
- SHA256 9be45d78a44672eecc44431401d73f41b1d7a3899ae96e3babe781ecb5fcea1d
- MD5 6ff590fd95885794e093b95500507125
- SHA1 8459409025f83234a3e0923cf75b8262bd1ec779
- SHA512 f3578b238623e070f207eaf6c0a2d5804ab8eb202d5213d24d96780f45ecb36406c7ad50fc6f5a15e89cee1121663658994bce612bfd6a846cc03737071d5ed5
- 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 1064 1100 rundll32.exe 24 Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 1032 1100 rundll32.exe 24 Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 652 1100 rundll32.exe 24 Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 848 1100 rundll32.exe 24 Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 1480 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\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 (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 Key created \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel 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 (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 - 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 1064 1100 EXCEL.EXE 31 PID 1100 wrote to memory of 1064 1100 EXCEL.EXE 31 PID 1100 wrote to memory of 1064 1100 EXCEL.EXE 31 PID 1100 wrote to memory of 1064 1100 EXCEL.EXE 31 PID 1100 wrote to memory of 1064 1100 EXCEL.EXE 31 PID 1100 wrote to memory of 1064 1100 EXCEL.EXE 31 PID 1100 wrote to memory of 1064 1100 EXCEL.EXE 31 PID 1100 wrote to memory of 1032 1100 EXCEL.EXE 32 PID 1100 wrote to memory of 1032 1100 EXCEL.EXE 32 PID 1100 wrote to memory of 1032 1100 EXCEL.EXE 32 PID 1100 wrote to memory of 1032 1100 EXCEL.EXE 32 PID 1100 wrote to memory of 1032 1100 EXCEL.EXE 32 PID 1100 wrote to memory of 1032 1100 EXCEL.EXE 32 PID 1100 wrote to memory of 1032 1100 EXCEL.EXE 32 PID 1100 wrote to memory of 652 1100 EXCEL.EXE 33 PID 1100 wrote to memory of 652 1100 EXCEL.EXE 33 PID 1100 wrote to memory of 652 1100 EXCEL.EXE 33 PID 1100 wrote to memory of 652 1100 EXCEL.EXE 33 PID 1100 wrote to memory of 652 1100 EXCEL.EXE 33 PID 1100 wrote to memory of 652 1100 EXCEL.EXE 33 PID 1100 wrote to memory of 652 1100 EXCEL.EXE 33 PID 1100 wrote to memory of 848 1100 EXCEL.EXE 34 PID 1100 wrote to memory of 848 1100 EXCEL.EXE 34 PID 1100 wrote to memory of 848 1100 EXCEL.EXE 34 PID 1100 wrote to memory of 848 1100 EXCEL.EXE 34 PID 1100 wrote to memory of 848 1100 EXCEL.EXE 34 PID 1100 wrote to memory of 848 1100 EXCEL.EXE 34 PID 1100 wrote to memory of 848 1100 EXCEL.EXE 34 PID 1100 wrote to memory of 1480 1100 EXCEL.EXE 35 PID 1100 wrote to memory of 1480 1100 EXCEL.EXE 35 PID 1100 wrote to memory of 1480 1100 EXCEL.EXE 35 PID 1100 wrote to memory of 1480 1100 EXCEL.EXE 35 PID 1100 wrote to memory of 1480 1100 EXCEL.EXE 35 PID 1100 wrote to memory of 1480 1100 EXCEL.EXE 35 PID 1100 wrote to memory of 1480 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-1371682618.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:1064
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C:\Windows\SysWOW64\rundll32.exerundll32 ..\iekdhfe.dsk1,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:1032
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C:\Windows\SysWOW64\rundll32.exerundll32 ..\iekdhfe.dsk2,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:652
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C:\Windows\SysWOW64\rundll32.exerundll32 ..\iekdhfe.dsk3,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:848
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C:\Windows\SysWOW64\rundll32.exerundll32 ..\iekdhfe.dsk4,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:1480
-