Analysis
- max time kernel
69s - max time network
69s - platform
windows7_x64 - resource
win7v20201028 - submitted
31/03/2021, 17:12
Static task
static1
Behavioral task
behavioral1
Sample
document-1241308638.xlsm
Resource
win7v20201028
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
document-1241308638.xlsm
Resource
win10v20201028
windows10_x64
0 signatures
0 seconds
General
- Target document-1241308638.xlsm
- Size 106KB
- Sample210331-s9z4axe9z2
- SHA256 5d8cd0de2bba3dc6b46cb875e0f52d3a914ca90fd56baa79517b64eff7a704be
- MD5 f2d5a308639e0f6da97d8fc3daed0dfb
- SHA1 6c56da6750b36153246ef8e8969f1b604b711277
- SHA512 1d591c08969aa76d405fec97b09fe78cb571108587ee64887a6a60be6bcacf5d6fc8a4fa4646bc47a60ffedcb4505b230e0aa761c2ae1fc40500495dabda1bb9
- 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 952 1576 rundll32.exe 24 Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 1032 1576 rundll32.exe 24 Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 1168 1576 rundll32.exe 24 Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 1232 1576 rundll32.exe 24 Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 292 1576 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 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 (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 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\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 - Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 1576 EXCEL.EXE - Suspicious use of SetWindowsHookEx 15 IoCs
pid Process 1576 EXCEL.EXE 1576 EXCEL.EXE 1576 EXCEL.EXE 1576 EXCEL.EXE 1576 EXCEL.EXE 1576 EXCEL.EXE 1576 EXCEL.EXE 1576 EXCEL.EXE 1576 EXCEL.EXE 1576 EXCEL.EXE 1576 EXCEL.EXE 1576 EXCEL.EXE 1576 EXCEL.EXE 1576 EXCEL.EXE 1576 EXCEL.EXE - Suspicious use of WriteProcessMemory 35 IoCs
description pid Process procid_target PID 1576 wrote to memory of 952 1576 EXCEL.EXE 31 PID 1576 wrote to memory of 952 1576 EXCEL.EXE 31 PID 1576 wrote to memory of 952 1576 EXCEL.EXE 31 PID 1576 wrote to memory of 952 1576 EXCEL.EXE 31 PID 1576 wrote to memory of 952 1576 EXCEL.EXE 31 PID 1576 wrote to memory of 952 1576 EXCEL.EXE 31 PID 1576 wrote to memory of 952 1576 EXCEL.EXE 31 PID 1576 wrote to memory of 1032 1576 EXCEL.EXE 32 PID 1576 wrote to memory of 1032 1576 EXCEL.EXE 32 PID 1576 wrote to memory of 1032 1576 EXCEL.EXE 32 PID 1576 wrote to memory of 1032 1576 EXCEL.EXE 32 PID 1576 wrote to memory of 1032 1576 EXCEL.EXE 32 PID 1576 wrote to memory of 1032 1576 EXCEL.EXE 32 PID 1576 wrote to memory of 1032 1576 EXCEL.EXE 32 PID 1576 wrote to memory of 1168 1576 EXCEL.EXE 33 PID 1576 wrote to memory of 1168 1576 EXCEL.EXE 33 PID 1576 wrote to memory of 1168 1576 EXCEL.EXE 33 PID 1576 wrote to memory of 1168 1576 EXCEL.EXE 33 PID 1576 wrote to memory of 1168 1576 EXCEL.EXE 33 PID 1576 wrote to memory of 1168 1576 EXCEL.EXE 33 PID 1576 wrote to memory of 1168 1576 EXCEL.EXE 33 PID 1576 wrote to memory of 1232 1576 EXCEL.EXE 34 PID 1576 wrote to memory of 1232 1576 EXCEL.EXE 34 PID 1576 wrote to memory of 1232 1576 EXCEL.EXE 34 PID 1576 wrote to memory of 1232 1576 EXCEL.EXE 34 PID 1576 wrote to memory of 1232 1576 EXCEL.EXE 34 PID 1576 wrote to memory of 1232 1576 EXCEL.EXE 34 PID 1576 wrote to memory of 1232 1576 EXCEL.EXE 34 PID 1576 wrote to memory of 292 1576 EXCEL.EXE 35 PID 1576 wrote to memory of 292 1576 EXCEL.EXE 35 PID 1576 wrote to memory of 292 1576 EXCEL.EXE 35 PID 1576 wrote to memory of 292 1576 EXCEL.EXE 35 PID 1576 wrote to memory of 292 1576 EXCEL.EXE 35 PID 1576 wrote to memory of 292 1576 EXCEL.EXE 35 PID 1576 wrote to memory of 292 1576 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-1241308638.xlsm1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1576 -
C:\Windows\SysWOW64\rundll32.exerundll32 ..\iekdhfe.dsk,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:952
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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:1168
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C:\Windows\SysWOW64\rundll32.exerundll32 ..\iekdhfe.dsk3,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:1232
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C:\Windows\SysWOW64\rundll32.exerundll32 ..\iekdhfe.dsk4,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:292
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