Analysis
- max time kernel
119s - max time network
121s - platform
windows7_x64 - resource
win7v20201028 - submitted
31/03/2021, 16:58
Static task
static1
Behavioral task
behavioral1
Sample
document-39836604.xlsm
Resource
win7v20201028
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
document-39836604.xlsm
Resource
win10v20201028
windows10_x64
0 signatures
0 seconds
General
- Target document-39836604.xlsm
- Size 106KB
- Sample210331-2razlsf5dj
- SHA256 9573dc66ef69a076e57fe7a307a4403066d9c684fb9fac30ee99c2e7567878ff
- MD5 b887b0b1cb3b3a157be9aaab42d7e32b
- SHA1 6f12d974f493a19f751ad2d1800b4416d3298ca6
- SHA512 aaf21598d573cded2f1272f63cfdcdc520401ee6fdeeeed0cf17707b0694a3e7d476c68d956ae6622546f4ec33afe331917c54bb2a91a3dfdaf757d67d159cb6
- 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 560 528 rundll32.exe 24 Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 544 528 rundll32.exe 24 Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 1580 528 rundll32.exe 24 Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 600 528 rundll32.exe 24 Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 1600 528 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-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Toolbar EXCEL.EXE Set value (str) \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\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-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel EXCEL.EXE Set value (str) \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\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-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes" EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote EXCEL.EXE Set value (int) \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55" EXCEL.EXE Set value (int) \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1" EXCEL.EXE - Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 528 EXCEL.EXE - Suspicious use of SetWindowsHookEx 15 IoCs
pid Process 528 EXCEL.EXE 528 EXCEL.EXE 528 EXCEL.EXE 528 EXCEL.EXE 528 EXCEL.EXE 528 EXCEL.EXE 528 EXCEL.EXE 528 EXCEL.EXE 528 EXCEL.EXE 528 EXCEL.EXE 528 EXCEL.EXE 528 EXCEL.EXE 528 EXCEL.EXE 528 EXCEL.EXE 528 EXCEL.EXE - Suspicious use of WriteProcessMemory 35 IoCs
description pid Process procid_target PID 528 wrote to memory of 560 528 EXCEL.EXE 31 PID 528 wrote to memory of 560 528 EXCEL.EXE 31 PID 528 wrote to memory of 560 528 EXCEL.EXE 31 PID 528 wrote to memory of 560 528 EXCEL.EXE 31 PID 528 wrote to memory of 560 528 EXCEL.EXE 31 PID 528 wrote to memory of 560 528 EXCEL.EXE 31 PID 528 wrote to memory of 560 528 EXCEL.EXE 31 PID 528 wrote to memory of 544 528 EXCEL.EXE 32 PID 528 wrote to memory of 544 528 EXCEL.EXE 32 PID 528 wrote to memory of 544 528 EXCEL.EXE 32 PID 528 wrote to memory of 544 528 EXCEL.EXE 32 PID 528 wrote to memory of 544 528 EXCEL.EXE 32 PID 528 wrote to memory of 544 528 EXCEL.EXE 32 PID 528 wrote to memory of 544 528 EXCEL.EXE 32 PID 528 wrote to memory of 1580 528 EXCEL.EXE 33 PID 528 wrote to memory of 1580 528 EXCEL.EXE 33 PID 528 wrote to memory of 1580 528 EXCEL.EXE 33 PID 528 wrote to memory of 1580 528 EXCEL.EXE 33 PID 528 wrote to memory of 1580 528 EXCEL.EXE 33 PID 528 wrote to memory of 1580 528 EXCEL.EXE 33 PID 528 wrote to memory of 1580 528 EXCEL.EXE 33 PID 528 wrote to memory of 600 528 EXCEL.EXE 35 PID 528 wrote to memory of 600 528 EXCEL.EXE 35 PID 528 wrote to memory of 600 528 EXCEL.EXE 35 PID 528 wrote to memory of 600 528 EXCEL.EXE 35 PID 528 wrote to memory of 600 528 EXCEL.EXE 35 PID 528 wrote to memory of 600 528 EXCEL.EXE 35 PID 528 wrote to memory of 600 528 EXCEL.EXE 35 PID 528 wrote to memory of 1600 528 EXCEL.EXE 36 PID 528 wrote to memory of 1600 528 EXCEL.EXE 36 PID 528 wrote to memory of 1600 528 EXCEL.EXE 36 PID 528 wrote to memory of 1600 528 EXCEL.EXE 36 PID 528 wrote to memory of 1600 528 EXCEL.EXE 36 PID 528 wrote to memory of 1600 528 EXCEL.EXE 36 PID 528 wrote to memory of 1600 528 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-39836604.xlsm1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:528 -
C:\Windows\SysWOW64\rundll32.exerundll32 ..\iekdhfe.dsk,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:560
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C:\Windows\SysWOW64\rundll32.exerundll32 ..\iekdhfe.dsk1,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:544
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C:\Windows\SysWOW64\rundll32.exerundll32 ..\iekdhfe.dsk2,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:1580
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C:\Windows\SysWOW64\rundll32.exerundll32 ..\iekdhfe.dsk3,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:600
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C:\Windows\SysWOW64\rundll32.exerundll32 ..\iekdhfe.dsk4,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:1600
-