Analysis
- max time kernel
150s - max time network
151s - platform
windows7_x64 - resource
win7v20201028 - submitted
31/03/2021, 17:43
Static task
static1
Behavioral task
behavioral1
Sample
document-1680135502.xlsm
Resource
win7v20201028
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
document-1680135502.xlsm
Resource
win10v20201028
windows10_x64
0 signatures
0 seconds
General
- Target document-1680135502.xlsm
- Size 106KB
- Sample210331-g16mv7yn36
- SHA256 58bc58f6ef2de14b82c7cb16ed749afe520728c1177ee31d8601dd2363a82c8d
- MD5 96b04b5429bcd658cb9ccff1e6f07ef7
- SHA1 3dc56a28380cdd219005d5462c8aaaac7c45c025
- SHA512 e11c8156f16b95343f8dbe2478dca1ac49c9c8b5a171895a3fe785641324946b174636dd10e11af60d6e84ea02a93015554c6c734e85adb9104f8212f55555d1
- 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 948 1968 rundll32.exe 24 Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 964 1968 rundll32.exe 24 Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 624 1968 rundll32.exe 24 Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 1312 1968 rundll32.exe 24 Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 920 1968 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 (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 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 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 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 (str) \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes" EXCEL.EXE - Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 1968 EXCEL.EXE - Suspicious use of SetWindowsHookEx 15 IoCs
pid Process 1968 EXCEL.EXE 1968 EXCEL.EXE 1968 EXCEL.EXE 1968 EXCEL.EXE 1968 EXCEL.EXE 1968 EXCEL.EXE 1968 EXCEL.EXE 1968 EXCEL.EXE 1968 EXCEL.EXE 1968 EXCEL.EXE 1968 EXCEL.EXE 1968 EXCEL.EXE 1968 EXCEL.EXE 1968 EXCEL.EXE 1968 EXCEL.EXE - Suspicious use of WriteProcessMemory 35 IoCs
description pid Process procid_target PID 1968 wrote to memory of 948 1968 EXCEL.EXE 31 PID 1968 wrote to memory of 948 1968 EXCEL.EXE 31 PID 1968 wrote to memory of 948 1968 EXCEL.EXE 31 PID 1968 wrote to memory of 948 1968 EXCEL.EXE 31 PID 1968 wrote to memory of 948 1968 EXCEL.EXE 31 PID 1968 wrote to memory of 948 1968 EXCEL.EXE 31 PID 1968 wrote to memory of 948 1968 EXCEL.EXE 31 PID 1968 wrote to memory of 964 1968 EXCEL.EXE 32 PID 1968 wrote to memory of 964 1968 EXCEL.EXE 32 PID 1968 wrote to memory of 964 1968 EXCEL.EXE 32 PID 1968 wrote to memory of 964 1968 EXCEL.EXE 32 PID 1968 wrote to memory of 964 1968 EXCEL.EXE 32 PID 1968 wrote to memory of 964 1968 EXCEL.EXE 32 PID 1968 wrote to memory of 964 1968 EXCEL.EXE 32 PID 1968 wrote to memory of 624 1968 EXCEL.EXE 33 PID 1968 wrote to memory of 624 1968 EXCEL.EXE 33 PID 1968 wrote to memory of 624 1968 EXCEL.EXE 33 PID 1968 wrote to memory of 624 1968 EXCEL.EXE 33 PID 1968 wrote to memory of 624 1968 EXCEL.EXE 33 PID 1968 wrote to memory of 624 1968 EXCEL.EXE 33 PID 1968 wrote to memory of 624 1968 EXCEL.EXE 33 PID 1968 wrote to memory of 1312 1968 EXCEL.EXE 34 PID 1968 wrote to memory of 1312 1968 EXCEL.EXE 34 PID 1968 wrote to memory of 1312 1968 EXCEL.EXE 34 PID 1968 wrote to memory of 1312 1968 EXCEL.EXE 34 PID 1968 wrote to memory of 1312 1968 EXCEL.EXE 34 PID 1968 wrote to memory of 1312 1968 EXCEL.EXE 34 PID 1968 wrote to memory of 1312 1968 EXCEL.EXE 34 PID 1968 wrote to memory of 920 1968 EXCEL.EXE 35 PID 1968 wrote to memory of 920 1968 EXCEL.EXE 35 PID 1968 wrote to memory of 920 1968 EXCEL.EXE 35 PID 1968 wrote to memory of 920 1968 EXCEL.EXE 35 PID 1968 wrote to memory of 920 1968 EXCEL.EXE 35 PID 1968 wrote to memory of 920 1968 EXCEL.EXE 35 PID 1968 wrote to memory of 920 1968 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-1680135502.xlsm1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1968 -
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:964
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C:\Windows\SysWOW64\rundll32.exerundll32 ..\iekdhfe.dsk2,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:624
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C:\Windows\SysWOW64\rundll32.exerundll32 ..\iekdhfe.dsk3,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:1312
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C:\Windows\SysWOW64\rundll32.exerundll32 ..\iekdhfe.dsk4,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:920
-