Analysis
- max time kernel
69s - max time network
105s - platform
windows7_x64 - resource
win7v20201028 - submitted
01/04/2021, 16:19
Static task
static1
Behavioral task
behavioral1
Sample
1776.xlsm
Resource
win7v20201028
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
1776.xlsm
Resource
win10v20201028
windows10_x64
0 signatures
0 seconds
General
- Target 1776.xlsm
- Size 84KB
- Sample210401-27rhbvm7b2
- SHA256 89ffc20cac08e049e3f5ded8ff5095aef9d58df292cb3c4f041b0fc786b4828e
- MD5 ece544fd777af4dbadb26ade87bf5488
- SHA1 d8f8c84c369244ea8596dd708359e74433401d07
- SHA512 ef1bafbf8ebcc3655aa460cb94c4cfa613eb5934b9f8c2d40025d496fd1fe2681bb58cd42ebe0e399fd639121772bfd1ab5cd25b27a8b8da93d601393be435ff
- MD5 SHA1 SHA512
Score
10/10
Malware Config
Extracted
Language
-
xlm4.0
Source
URLs
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xlm40.dropper
https://vts.us.com/ds/0104.gif
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xlm40.dropper
https://mundotecnologiasolar.com/ds/0104.gif
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xlm40.dropper
https://comosairdoburaco.com.br/ds/0104.gif
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xlm40.dropper
https://accesslinksgroup.com/ds/0104.gif
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xlm40.dropper
https://ponchokhana.com/ds/0104.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 1340 1808 rundll32.exe 24 Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 1160 1808 rundll32.exe 24 Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 864 1808 rundll32.exe 24 Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 840 1808 rundll32.exe 24 Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 1012 1808 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\Se&nd to OneNote 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 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 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 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 Key created \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt 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 - Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 1808 EXCEL.EXE - Suspicious use of SetWindowsHookEx 13 IoCs
pid Process 1808 EXCEL.EXE 1808 EXCEL.EXE 1808 EXCEL.EXE 1808 EXCEL.EXE 1808 EXCEL.EXE 1808 EXCEL.EXE 1808 EXCEL.EXE 1808 EXCEL.EXE 1808 EXCEL.EXE 1808 EXCEL.EXE 1808 EXCEL.EXE 1808 EXCEL.EXE 1808 EXCEL.EXE - Suspicious use of WriteProcessMemory 35 IoCs
description pid Process procid_target PID 1808 wrote to memory of 1340 1808 EXCEL.EXE 31 PID 1808 wrote to memory of 1340 1808 EXCEL.EXE 31 PID 1808 wrote to memory of 1340 1808 EXCEL.EXE 31 PID 1808 wrote to memory of 1340 1808 EXCEL.EXE 31 PID 1808 wrote to memory of 1340 1808 EXCEL.EXE 31 PID 1808 wrote to memory of 1340 1808 EXCEL.EXE 31 PID 1808 wrote to memory of 1340 1808 EXCEL.EXE 31 PID 1808 wrote to memory of 1160 1808 EXCEL.EXE 32 PID 1808 wrote to memory of 1160 1808 EXCEL.EXE 32 PID 1808 wrote to memory of 1160 1808 EXCEL.EXE 32 PID 1808 wrote to memory of 1160 1808 EXCEL.EXE 32 PID 1808 wrote to memory of 1160 1808 EXCEL.EXE 32 PID 1808 wrote to memory of 1160 1808 EXCEL.EXE 32 PID 1808 wrote to memory of 1160 1808 EXCEL.EXE 32 PID 1808 wrote to memory of 864 1808 EXCEL.EXE 33 PID 1808 wrote to memory of 864 1808 EXCEL.EXE 33 PID 1808 wrote to memory of 864 1808 EXCEL.EXE 33 PID 1808 wrote to memory of 864 1808 EXCEL.EXE 33 PID 1808 wrote to memory of 864 1808 EXCEL.EXE 33 PID 1808 wrote to memory of 864 1808 EXCEL.EXE 33 PID 1808 wrote to memory of 864 1808 EXCEL.EXE 33 PID 1808 wrote to memory of 840 1808 EXCEL.EXE 34 PID 1808 wrote to memory of 840 1808 EXCEL.EXE 34 PID 1808 wrote to memory of 840 1808 EXCEL.EXE 34 PID 1808 wrote to memory of 840 1808 EXCEL.EXE 34 PID 1808 wrote to memory of 840 1808 EXCEL.EXE 34 PID 1808 wrote to memory of 840 1808 EXCEL.EXE 34 PID 1808 wrote to memory of 840 1808 EXCEL.EXE 34 PID 1808 wrote to memory of 1012 1808 EXCEL.EXE 35 PID 1808 wrote to memory of 1012 1808 EXCEL.EXE 35 PID 1808 wrote to memory of 1012 1808 EXCEL.EXE 35 PID 1808 wrote to memory of 1012 1808 EXCEL.EXE 35 PID 1808 wrote to memory of 1012 1808 EXCEL.EXE 35 PID 1808 wrote to memory of 1012 1808 EXCEL.EXE 35 PID 1808 wrote to memory of 1012 1808 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\1776.xlsm1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1808 -
C:\Windows\SysWOW64\rundll32.exerundll32 ..\iekdhfe.dsk,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:1340
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C:\Windows\SysWOW64\rundll32.exerundll32 ..\iekdhfe.dsk1,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:1160
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C:\Windows\SysWOW64\rundll32.exerundll32 ..\iekdhfe.dsk2,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:864
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C:\Windows\SysWOW64\rundll32.exerundll32 ..\iekdhfe.dsk3,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:840
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C:\Windows\SysWOW64\rundll32.exerundll32 ..\iekdhfe.dsk4,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:1012
-