Analysis
- max time kernel
73s - max time network
75s - platform
windows7_x64 - resource
win7v20201028 - submitted
01/04/2021, 18:04
Static task
static1
Behavioral task
behavioral1
Sample
3330.xlsm
Resource
win7v20201028
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
3330.xlsm
Resource
win10v20201028
windows10_x64
0 signatures
0 seconds
General
- Target 3330.xlsm
- Size 84KB
- Sample210401-rl52dal4fn
- SHA256 12d0bdc9054a1fcc6573b54f69ad981024ea6da68fe67cb407269110ba57f8f7
- MD5 8c458f1fd11cd19927bf758e405a1470
- SHA1 915585f84cd8ff43f79b4cdf5d27e155fbcf9e4d
- SHA512 c92c4751da948d30869191eb0abd1107daec4a1fa1b1a7f500f457967382ab52e89ea64ad34ed64e5ba1ade349df2e0f920301f912156ffdf5e1975f596062ea
- 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://vts.us.com/ds/0104.gif
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xlm40.dropper
https://mundotecnologiasolar.com/ds/0104.gif
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xlm40.dropper
https://comosairdoburaco.com.br/ds/0104.gif
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xlm40.dropper
https://accesslinksgroup.com/ds/0104.gif
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xlm40.dropper
https://ponchokhana.com/ds/0104.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 1764 1656 rundll32.exe 24 Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 528 1656 rundll32.exe 24 Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 1232 1656 rundll32.exe 24 Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 748 1656 rundll32.exe 24 Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 536 1656 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-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1" EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Toolbar 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 (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 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 - Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 1656 EXCEL.EXE - Suspicious use of SetWindowsHookEx 11 IoCs
pid Process 1656 EXCEL.EXE 1656 EXCEL.EXE 1656 EXCEL.EXE 1656 EXCEL.EXE 1656 EXCEL.EXE 1656 EXCEL.EXE 1656 EXCEL.EXE 1656 EXCEL.EXE 1656 EXCEL.EXE 1656 EXCEL.EXE 1656 EXCEL.EXE - Suspicious use of WriteProcessMemory 35 IoCs
description pid Process procid_target PID 1656 wrote to memory of 1764 1656 EXCEL.EXE 31 PID 1656 wrote to memory of 1764 1656 EXCEL.EXE 31 PID 1656 wrote to memory of 1764 1656 EXCEL.EXE 31 PID 1656 wrote to memory of 1764 1656 EXCEL.EXE 31 PID 1656 wrote to memory of 1764 1656 EXCEL.EXE 31 PID 1656 wrote to memory of 1764 1656 EXCEL.EXE 31 PID 1656 wrote to memory of 1764 1656 EXCEL.EXE 31 PID 1656 wrote to memory of 528 1656 EXCEL.EXE 32 PID 1656 wrote to memory of 528 1656 EXCEL.EXE 32 PID 1656 wrote to memory of 528 1656 EXCEL.EXE 32 PID 1656 wrote to memory of 528 1656 EXCEL.EXE 32 PID 1656 wrote to memory of 528 1656 EXCEL.EXE 32 PID 1656 wrote to memory of 528 1656 EXCEL.EXE 32 PID 1656 wrote to memory of 528 1656 EXCEL.EXE 32 PID 1656 wrote to memory of 1232 1656 EXCEL.EXE 33 PID 1656 wrote to memory of 1232 1656 EXCEL.EXE 33 PID 1656 wrote to memory of 1232 1656 EXCEL.EXE 33 PID 1656 wrote to memory of 1232 1656 EXCEL.EXE 33 PID 1656 wrote to memory of 1232 1656 EXCEL.EXE 33 PID 1656 wrote to memory of 1232 1656 EXCEL.EXE 33 PID 1656 wrote to memory of 1232 1656 EXCEL.EXE 33 PID 1656 wrote to memory of 748 1656 EXCEL.EXE 34 PID 1656 wrote to memory of 748 1656 EXCEL.EXE 34 PID 1656 wrote to memory of 748 1656 EXCEL.EXE 34 PID 1656 wrote to memory of 748 1656 EXCEL.EXE 34 PID 1656 wrote to memory of 748 1656 EXCEL.EXE 34 PID 1656 wrote to memory of 748 1656 EXCEL.EXE 34 PID 1656 wrote to memory of 748 1656 EXCEL.EXE 34 PID 1656 wrote to memory of 536 1656 EXCEL.EXE 35 PID 1656 wrote to memory of 536 1656 EXCEL.EXE 35 PID 1656 wrote to memory of 536 1656 EXCEL.EXE 35 PID 1656 wrote to memory of 536 1656 EXCEL.EXE 35 PID 1656 wrote to memory of 536 1656 EXCEL.EXE 35 PID 1656 wrote to memory of 536 1656 EXCEL.EXE 35 PID 1656 wrote to memory of 536 1656 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\3330.xlsm1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1656 -
C:\Windows\SysWOW64\rundll32.exerundll32 ..\iekdhfe.dsk,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:1764
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C:\Windows\SysWOW64\rundll32.exerundll32 ..\iekdhfe.dsk1,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:528
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C:\Windows\SysWOW64\rundll32.exerundll32 ..\iekdhfe.dsk2,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:1232
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C:\Windows\SysWOW64\rundll32.exerundll32 ..\iekdhfe.dsk3,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:748
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C:\Windows\SysWOW64\rundll32.exerundll32 ..\iekdhfe.dsk4,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:536
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