Analysis
- max time kernel
120s - max time network
123s - platform
windows7_x64 - resource
win7v20201028 - submitted
31/03/2021, 16:19
Static task
static1
Behavioral task
behavioral1
Sample
document-392903694.xlsm
Resource
win7v20201028
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
document-392903694.xlsm
Resource
win10v20201028
windows10_x64
0 signatures
0 seconds
General
- Target document-392903694.xlsm
- Size 106KB
- Sample210331-8ghc6c99ms
- SHA256 f7ae8626a38d960e73fc9b4696fa05236be83d0089b397f336a7e27d740f60ea
- MD5 bcba26710ca7892628f32cb3c3612e58
- SHA1 86c68113eaf66d2825e0fc9ee1066dc70a47402f
- SHA512 2f1577f6ac81bb8a9614819b7264ae2414d085cbfef8928ae5b0e0d38a6f22d03c6d6f5381a9333b21bda359ac06b4ba9888a307c61ed7489e559100607b8a80
- 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 560 528 rundll32.exe 24 Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 852 528 rundll32.exe 24 Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 1064 528 rundll32.exe 24 Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 1068 528 rundll32.exe 24 Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 2008 528 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 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 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 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 (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\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 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 (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 528 EXCEL.EXE - Suspicious use of SetWindowsHookEx 15 IoCs
pid Process 528 EXCEL.EXE 528 EXCEL.EXE 528 EXCEL.EXE 528 EXCEL.EXE 528 EXCEL.EXE 528 EXCEL.EXE 528 EXCEL.EXE 528 EXCEL.EXE 528 EXCEL.EXE 528 EXCEL.EXE 528 EXCEL.EXE 528 EXCEL.EXE 528 EXCEL.EXE 528 EXCEL.EXE 528 EXCEL.EXE - Suspicious use of WriteProcessMemory 35 IoCs
description pid Process procid_target PID 528 wrote to memory of 560 528 EXCEL.EXE 31 PID 528 wrote to memory of 560 528 EXCEL.EXE 31 PID 528 wrote to memory of 560 528 EXCEL.EXE 31 PID 528 wrote to memory of 560 528 EXCEL.EXE 31 PID 528 wrote to memory of 560 528 EXCEL.EXE 31 PID 528 wrote to memory of 560 528 EXCEL.EXE 31 PID 528 wrote to memory of 560 528 EXCEL.EXE 31 PID 528 wrote to memory of 852 528 EXCEL.EXE 33 PID 528 wrote to memory of 852 528 EXCEL.EXE 33 PID 528 wrote to memory of 852 528 EXCEL.EXE 33 PID 528 wrote to memory of 852 528 EXCEL.EXE 33 PID 528 wrote to memory of 852 528 EXCEL.EXE 33 PID 528 wrote to memory of 852 528 EXCEL.EXE 33 PID 528 wrote to memory of 852 528 EXCEL.EXE 33 PID 528 wrote to memory of 1064 528 EXCEL.EXE 34 PID 528 wrote to memory of 1064 528 EXCEL.EXE 34 PID 528 wrote to memory of 1064 528 EXCEL.EXE 34 PID 528 wrote to memory of 1064 528 EXCEL.EXE 34 PID 528 wrote to memory of 1064 528 EXCEL.EXE 34 PID 528 wrote to memory of 1064 528 EXCEL.EXE 34 PID 528 wrote to memory of 1064 528 EXCEL.EXE 34 PID 528 wrote to memory of 1068 528 EXCEL.EXE 35 PID 528 wrote to memory of 1068 528 EXCEL.EXE 35 PID 528 wrote to memory of 1068 528 EXCEL.EXE 35 PID 528 wrote to memory of 1068 528 EXCEL.EXE 35 PID 528 wrote to memory of 1068 528 EXCEL.EXE 35 PID 528 wrote to memory of 1068 528 EXCEL.EXE 35 PID 528 wrote to memory of 1068 528 EXCEL.EXE 35 PID 528 wrote to memory of 2008 528 EXCEL.EXE 36 PID 528 wrote to memory of 2008 528 EXCEL.EXE 36 PID 528 wrote to memory of 2008 528 EXCEL.EXE 36 PID 528 wrote to memory of 2008 528 EXCEL.EXE 36 PID 528 wrote to memory of 2008 528 EXCEL.EXE 36 PID 528 wrote to memory of 2008 528 EXCEL.EXE 36 PID 528 wrote to memory of 2008 528 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-392903694.xlsm1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:528 -
C:\Windows\SysWOW64\rundll32.exerundll32 ..\iekdhfe.dsk,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:560
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C:\Windows\SysWOW64\rundll32.exerundll32 ..\iekdhfe.dsk1,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:852
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C:\Windows\SysWOW64\rundll32.exerundll32 ..\iekdhfe.dsk2,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:1064
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C:\Windows\SysWOW64\rundll32.exerundll32 ..\iekdhfe.dsk3,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:1068
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C:\Windows\SysWOW64\rundll32.exerundll32 ..\iekdhfe.dsk4,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:2008
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