Analysis
- max time kernel
73s - max time network
75s - platform
windows7_x64 - resource
win7v20201028 - submitted
31/03/2021, 17:28
Static task
static1
Behavioral task
behavioral1
Sample
document-2092739367.xlsm
Resource
win7v20201028
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
document-2092739367.xlsm
Resource
win10v20201028
windows10_x64
0 signatures
0 seconds
General
- Target document-2092739367.xlsm
- Size 106KB
- Sample210331-sbnhtnbdes
- SHA256 34026d9bd529807889854789d74f61db18897e3407eada1c3bb904a399fb10cc
- MD5 d9778949f0f6996c91c6c9567206f7d4
- SHA1 abb855b89675c718d9cdafd98ab0669ad22fcdf3
- SHA512 513ee615605638c6de8984aa1a42129f9998f6a0c70c19f6a32bdcf7c0405923a15eaa5cc4aced4135a35a658c91a5a33d5b2742c28b2a8d487c5bf3bb459a23
- 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 872 1648 rundll32.exe 24 Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 1520 1648 rundll32.exe 24 Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 1820 1648 rundll32.exe 24 Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 816 1648 rundll32.exe 24 Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 1560 1648 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\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 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 - Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 1648 EXCEL.EXE - Suspicious use of SetWindowsHookEx 15 IoCs
pid Process 1648 EXCEL.EXE 1648 EXCEL.EXE 1648 EXCEL.EXE 1648 EXCEL.EXE 1648 EXCEL.EXE 1648 EXCEL.EXE 1648 EXCEL.EXE 1648 EXCEL.EXE 1648 EXCEL.EXE 1648 EXCEL.EXE 1648 EXCEL.EXE 1648 EXCEL.EXE 1648 EXCEL.EXE 1648 EXCEL.EXE 1648 EXCEL.EXE - Suspicious use of WriteProcessMemory 35 IoCs
description pid Process procid_target PID 1648 wrote to memory of 872 1648 EXCEL.EXE 31 PID 1648 wrote to memory of 872 1648 EXCEL.EXE 31 PID 1648 wrote to memory of 872 1648 EXCEL.EXE 31 PID 1648 wrote to memory of 872 1648 EXCEL.EXE 31 PID 1648 wrote to memory of 872 1648 EXCEL.EXE 31 PID 1648 wrote to memory of 872 1648 EXCEL.EXE 31 PID 1648 wrote to memory of 872 1648 EXCEL.EXE 31 PID 1648 wrote to memory of 1520 1648 EXCEL.EXE 32 PID 1648 wrote to memory of 1520 1648 EXCEL.EXE 32 PID 1648 wrote to memory of 1520 1648 EXCEL.EXE 32 PID 1648 wrote to memory of 1520 1648 EXCEL.EXE 32 PID 1648 wrote to memory of 1520 1648 EXCEL.EXE 32 PID 1648 wrote to memory of 1520 1648 EXCEL.EXE 32 PID 1648 wrote to memory of 1520 1648 EXCEL.EXE 32 PID 1648 wrote to memory of 1820 1648 EXCEL.EXE 33 PID 1648 wrote to memory of 1820 1648 EXCEL.EXE 33 PID 1648 wrote to memory of 1820 1648 EXCEL.EXE 33 PID 1648 wrote to memory of 1820 1648 EXCEL.EXE 33 PID 1648 wrote to memory of 1820 1648 EXCEL.EXE 33 PID 1648 wrote to memory of 1820 1648 EXCEL.EXE 33 PID 1648 wrote to memory of 1820 1648 EXCEL.EXE 33 PID 1648 wrote to memory of 816 1648 EXCEL.EXE 35 PID 1648 wrote to memory of 816 1648 EXCEL.EXE 35 PID 1648 wrote to memory of 816 1648 EXCEL.EXE 35 PID 1648 wrote to memory of 816 1648 EXCEL.EXE 35 PID 1648 wrote to memory of 816 1648 EXCEL.EXE 35 PID 1648 wrote to memory of 816 1648 EXCEL.EXE 35 PID 1648 wrote to memory of 816 1648 EXCEL.EXE 35 PID 1648 wrote to memory of 1560 1648 EXCEL.EXE 36 PID 1648 wrote to memory of 1560 1648 EXCEL.EXE 36 PID 1648 wrote to memory of 1560 1648 EXCEL.EXE 36 PID 1648 wrote to memory of 1560 1648 EXCEL.EXE 36 PID 1648 wrote to memory of 1560 1648 EXCEL.EXE 36 PID 1648 wrote to memory of 1560 1648 EXCEL.EXE 36 PID 1648 wrote to memory of 1560 1648 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-2092739367.xlsm1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1648 -
C:\Windows\SysWOW64\rundll32.exerundll32 ..\iekdhfe.dsk,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:872
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C:\Windows\SysWOW64\rundll32.exerundll32 ..\iekdhfe.dsk1,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:1520
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C:\Windows\SysWOW64\rundll32.exerundll32 ..\iekdhfe.dsk2,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:1820
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C:\Windows\SysWOW64\rundll32.exerundll32 ..\iekdhfe.dsk3,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:816
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C:\Windows\SysWOW64\rundll32.exerundll32 ..\iekdhfe.dsk4,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:1560
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