Analysis
- max time kernel
118s - max time network
118s - platform
windows7_x64 - resource
win7v20201028 - submitted
31/03/2021, 17:48
Static task
static1
Behavioral task
behavioral1
Sample
document-905517021.xlsm
Resource
win7v20201028
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
document-905517021.xlsm
Resource
win10v20201028
windows10_x64
0 signatures
0 seconds
General
- Target document-905517021.xlsm
- Size 106KB
- Sample210331-2mtegpt692
- SHA256 469999a0e1ac582fd404e278188d3943d2425ad80683e6f33d94ff422e5ebb63
- MD5 9c9c04d2189574fbe4ba49033dcbc11f
- SHA1 3f3841c3a9a69741f47a5a8da108d67eb1b9429a
- SHA512 2d424bd60faea9c713e384e571fd80e2b7602351020ab25208e9e116cf63a55e34f3c8288e305098cb3100c6713661b1b1980cdd88c3ecb5818a8b68799b4b62
- 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 948 1152 rundll32.exe 24 Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 984 1152 rundll32.exe 24 Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 1468 1152 rundll32.exe 24 Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 1460 1152 rundll32.exe 24 Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 1920 1152 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\Se&nd to OneNote 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 (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 (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 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 1152 EXCEL.EXE - Suspicious use of SetWindowsHookEx 15 IoCs
pid Process 1152 EXCEL.EXE 1152 EXCEL.EXE 1152 EXCEL.EXE 1152 EXCEL.EXE 1152 EXCEL.EXE 1152 EXCEL.EXE 1152 EXCEL.EXE 1152 EXCEL.EXE 1152 EXCEL.EXE 1152 EXCEL.EXE 1152 EXCEL.EXE 1152 EXCEL.EXE 1152 EXCEL.EXE 1152 EXCEL.EXE 1152 EXCEL.EXE - Suspicious use of WriteProcessMemory 35 IoCs
description pid Process procid_target PID 1152 wrote to memory of 948 1152 EXCEL.EXE 31 PID 1152 wrote to memory of 948 1152 EXCEL.EXE 31 PID 1152 wrote to memory of 948 1152 EXCEL.EXE 31 PID 1152 wrote to memory of 948 1152 EXCEL.EXE 31 PID 1152 wrote to memory of 948 1152 EXCEL.EXE 31 PID 1152 wrote to memory of 948 1152 EXCEL.EXE 31 PID 1152 wrote to memory of 948 1152 EXCEL.EXE 31 PID 1152 wrote to memory of 984 1152 EXCEL.EXE 32 PID 1152 wrote to memory of 984 1152 EXCEL.EXE 32 PID 1152 wrote to memory of 984 1152 EXCEL.EXE 32 PID 1152 wrote to memory of 984 1152 EXCEL.EXE 32 PID 1152 wrote to memory of 984 1152 EXCEL.EXE 32 PID 1152 wrote to memory of 984 1152 EXCEL.EXE 32 PID 1152 wrote to memory of 984 1152 EXCEL.EXE 32 PID 1152 wrote to memory of 1468 1152 EXCEL.EXE 33 PID 1152 wrote to memory of 1468 1152 EXCEL.EXE 33 PID 1152 wrote to memory of 1468 1152 EXCEL.EXE 33 PID 1152 wrote to memory of 1468 1152 EXCEL.EXE 33 PID 1152 wrote to memory of 1468 1152 EXCEL.EXE 33 PID 1152 wrote to memory of 1468 1152 EXCEL.EXE 33 PID 1152 wrote to memory of 1468 1152 EXCEL.EXE 33 PID 1152 wrote to memory of 1460 1152 EXCEL.EXE 34 PID 1152 wrote to memory of 1460 1152 EXCEL.EXE 34 PID 1152 wrote to memory of 1460 1152 EXCEL.EXE 34 PID 1152 wrote to memory of 1460 1152 EXCEL.EXE 34 PID 1152 wrote to memory of 1460 1152 EXCEL.EXE 34 PID 1152 wrote to memory of 1460 1152 EXCEL.EXE 34 PID 1152 wrote to memory of 1460 1152 EXCEL.EXE 34 PID 1152 wrote to memory of 1920 1152 EXCEL.EXE 36 PID 1152 wrote to memory of 1920 1152 EXCEL.EXE 36 PID 1152 wrote to memory of 1920 1152 EXCEL.EXE 36 PID 1152 wrote to memory of 1920 1152 EXCEL.EXE 36 PID 1152 wrote to memory of 1920 1152 EXCEL.EXE 36 PID 1152 wrote to memory of 1920 1152 EXCEL.EXE 36 PID 1152 wrote to memory of 1920 1152 EXCEL.EXE 36
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-905517021.xlsm1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1152 -
C:\Windows\SysWOW64\rundll32.exerundll32 ..\iekdhfe.dsk,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:948
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C:\Windows\SysWOW64\rundll32.exerundll32 ..\iekdhfe.dsk1,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:984
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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:1460
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C:\Windows\SysWOW64\rundll32.exerundll32 ..\iekdhfe.dsk4,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:1920
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