Analysis
- max time kernel
70s - max time network
75s - platform
windows7_x64 - resource
win7v20201028 - submitted
31/03/2021, 16:36
Static task
static1
Behavioral task
behavioral1
Sample
document-786000954.xlsm
Resource
win7v20201028
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
document-786000954.xlsm
Resource
win10v20201028
windows10_x64
0 signatures
0 seconds
General
- Target document-786000954.xlsm
- Size 106KB
- Sample210331-tlct6d95ta
- SHA256 1d931723290ae28eff4e5882332b09b3f9d302dd5aae1cbffecc01ed531e1f06
- MD5 5fc81fbf62f666d3ee9142519b594e6c
- SHA1 74a2a79bbbe24b3a142a24764c140b5c13c77863
- SHA512 a8630521c110aa39d4bdcdc97cc91354ff324a8d8cb42848fc417a7989b4698074be3ffce5ce6751c832b1854d1a046f7965dc49662f37cb2684a4be24030e9d
- 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 656 776 rundll32.exe 24 Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 1676 776 rundll32.exe 24 Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 1828 776 rundll32.exe 24 Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 540 776 rundll32.exe 24 Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 792 776 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 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\Toolbar 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 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 776 EXCEL.EXE - Suspicious use of SetWindowsHookEx 15 IoCs
pid Process 776 EXCEL.EXE 776 EXCEL.EXE 776 EXCEL.EXE 776 EXCEL.EXE 776 EXCEL.EXE 776 EXCEL.EXE 776 EXCEL.EXE 776 EXCEL.EXE 776 EXCEL.EXE 776 EXCEL.EXE 776 EXCEL.EXE 776 EXCEL.EXE 776 EXCEL.EXE 776 EXCEL.EXE 776 EXCEL.EXE - Suspicious use of WriteProcessMemory 35 IoCs
description pid Process procid_target PID 776 wrote to memory of 656 776 EXCEL.EXE 31 PID 776 wrote to memory of 656 776 EXCEL.EXE 31 PID 776 wrote to memory of 656 776 EXCEL.EXE 31 PID 776 wrote to memory of 656 776 EXCEL.EXE 31 PID 776 wrote to memory of 656 776 EXCEL.EXE 31 PID 776 wrote to memory of 656 776 EXCEL.EXE 31 PID 776 wrote to memory of 656 776 EXCEL.EXE 31 PID 776 wrote to memory of 1676 776 EXCEL.EXE 32 PID 776 wrote to memory of 1676 776 EXCEL.EXE 32 PID 776 wrote to memory of 1676 776 EXCEL.EXE 32 PID 776 wrote to memory of 1676 776 EXCEL.EXE 32 PID 776 wrote to memory of 1676 776 EXCEL.EXE 32 PID 776 wrote to memory of 1676 776 EXCEL.EXE 32 PID 776 wrote to memory of 1676 776 EXCEL.EXE 32 PID 776 wrote to memory of 1828 776 EXCEL.EXE 33 PID 776 wrote to memory of 1828 776 EXCEL.EXE 33 PID 776 wrote to memory of 1828 776 EXCEL.EXE 33 PID 776 wrote to memory of 1828 776 EXCEL.EXE 33 PID 776 wrote to memory of 1828 776 EXCEL.EXE 33 PID 776 wrote to memory of 1828 776 EXCEL.EXE 33 PID 776 wrote to memory of 1828 776 EXCEL.EXE 33 PID 776 wrote to memory of 540 776 EXCEL.EXE 34 PID 776 wrote to memory of 540 776 EXCEL.EXE 34 PID 776 wrote to memory of 540 776 EXCEL.EXE 34 PID 776 wrote to memory of 540 776 EXCEL.EXE 34 PID 776 wrote to memory of 540 776 EXCEL.EXE 34 PID 776 wrote to memory of 540 776 EXCEL.EXE 34 PID 776 wrote to memory of 540 776 EXCEL.EXE 34 PID 776 wrote to memory of 792 776 EXCEL.EXE 35 PID 776 wrote to memory of 792 776 EXCEL.EXE 35 PID 776 wrote to memory of 792 776 EXCEL.EXE 35 PID 776 wrote to memory of 792 776 EXCEL.EXE 35 PID 776 wrote to memory of 792 776 EXCEL.EXE 35 PID 776 wrote to memory of 792 776 EXCEL.EXE 35 PID 776 wrote to memory of 792 776 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-786000954.xlsm1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:776 -
C:\Windows\SysWOW64\rundll32.exerundll32 ..\iekdhfe.dsk,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:656
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C:\Windows\SysWOW64\rundll32.exerundll32 ..\iekdhfe.dsk1,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:1676
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C:\Windows\SysWOW64\rundll32.exerundll32 ..\iekdhfe.dsk2,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:1828
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C:\Windows\SysWOW64\rundll32.exerundll32 ..\iekdhfe.dsk3,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:540
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C:\Windows\SysWOW64\rundll32.exerundll32 ..\iekdhfe.dsk4,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:792
-