Analysis
- max time kernel
74s - max time network
78s - platform
windows7_x64 - resource
win7v20201028 - submitted
31/03/2021, 17:56
Static task
static1
Behavioral task
behavioral1
Sample
document-1932423334.xlsm
Resource
win7v20201028
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
document-1932423334.xlsm
Resource
win10v20201028
windows10_x64
0 signatures
0 seconds
General
- Target document-1932423334.xlsm
- Size 106KB
- Sample210331-nwr3lmtlpj
- SHA256 86e290b8a41fe6fcec60d26be27e294eb4b19134ed943a458d5da221e3ac654f
- MD5 04732ea5acabd059fe772abe383cace6
- SHA1 7937a13fee49b0d0a4fbaf988df3b4fcf1cc170d
- SHA512 31eb629018314443d5712fd57e24fe21524a71baeba493816e25feb12fbde567aa0d5ab76fa53c99d18828829087319ac4d65e63e7872fa7c5c5991e8efa64a1
- 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 1016 1064 rundll32.exe 24 Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 568 1064 rundll32.exe 24 Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 1736 1064 rundll32.exe 24 Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 920 1064 rundll32.exe 24 Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 1764 1064 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 Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Toolbar 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 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 (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 - Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 1064 EXCEL.EXE - Suspicious use of SetWindowsHookEx 15 IoCs
pid Process 1064 EXCEL.EXE 1064 EXCEL.EXE 1064 EXCEL.EXE 1064 EXCEL.EXE 1064 EXCEL.EXE 1064 EXCEL.EXE 1064 EXCEL.EXE 1064 EXCEL.EXE 1064 EXCEL.EXE 1064 EXCEL.EXE 1064 EXCEL.EXE 1064 EXCEL.EXE 1064 EXCEL.EXE 1064 EXCEL.EXE 1064 EXCEL.EXE - Suspicious use of WriteProcessMemory 35 IoCs
description pid Process procid_target PID 1064 wrote to memory of 1016 1064 EXCEL.EXE 31 PID 1064 wrote to memory of 1016 1064 EXCEL.EXE 31 PID 1064 wrote to memory of 1016 1064 EXCEL.EXE 31 PID 1064 wrote to memory of 1016 1064 EXCEL.EXE 31 PID 1064 wrote to memory of 1016 1064 EXCEL.EXE 31 PID 1064 wrote to memory of 1016 1064 EXCEL.EXE 31 PID 1064 wrote to memory of 1016 1064 EXCEL.EXE 31 PID 1064 wrote to memory of 568 1064 EXCEL.EXE 32 PID 1064 wrote to memory of 568 1064 EXCEL.EXE 32 PID 1064 wrote to memory of 568 1064 EXCEL.EXE 32 PID 1064 wrote to memory of 568 1064 EXCEL.EXE 32 PID 1064 wrote to memory of 568 1064 EXCEL.EXE 32 PID 1064 wrote to memory of 568 1064 EXCEL.EXE 32 PID 1064 wrote to memory of 568 1064 EXCEL.EXE 32 PID 1064 wrote to memory of 1736 1064 EXCEL.EXE 34 PID 1064 wrote to memory of 1736 1064 EXCEL.EXE 34 PID 1064 wrote to memory of 1736 1064 EXCEL.EXE 34 PID 1064 wrote to memory of 1736 1064 EXCEL.EXE 34 PID 1064 wrote to memory of 1736 1064 EXCEL.EXE 34 PID 1064 wrote to memory of 1736 1064 EXCEL.EXE 34 PID 1064 wrote to memory of 1736 1064 EXCEL.EXE 34 PID 1064 wrote to memory of 920 1064 EXCEL.EXE 35 PID 1064 wrote to memory of 920 1064 EXCEL.EXE 35 PID 1064 wrote to memory of 920 1064 EXCEL.EXE 35 PID 1064 wrote to memory of 920 1064 EXCEL.EXE 35 PID 1064 wrote to memory of 920 1064 EXCEL.EXE 35 PID 1064 wrote to memory of 920 1064 EXCEL.EXE 35 PID 1064 wrote to memory of 920 1064 EXCEL.EXE 35 PID 1064 wrote to memory of 1764 1064 EXCEL.EXE 36 PID 1064 wrote to memory of 1764 1064 EXCEL.EXE 36 PID 1064 wrote to memory of 1764 1064 EXCEL.EXE 36 PID 1064 wrote to memory of 1764 1064 EXCEL.EXE 36 PID 1064 wrote to memory of 1764 1064 EXCEL.EXE 36 PID 1064 wrote to memory of 1764 1064 EXCEL.EXE 36 PID 1064 wrote to memory of 1764 1064 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-1932423334.xlsm1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1064 -
C:\Windows\SysWOW64\rundll32.exerundll32 ..\iekdhfe.dsk,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:1016
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C:\Windows\SysWOW64\rundll32.exerundll32 ..\iekdhfe.dsk1,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:568
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C:\Windows\SysWOW64\rundll32.exerundll32 ..\iekdhfe.dsk2,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:1736
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C:\Windows\SysWOW64\rundll32.exerundll32 ..\iekdhfe.dsk3,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:920
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C:\Windows\SysWOW64\rundll32.exerundll32 ..\iekdhfe.dsk4,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:1764
-