Analysis
- max time kernel
72s - max time network
77s - platform
windows7_x64 - resource
win7v20201028 - submitted
31/03/2021, 17:38
Static task
static1
Behavioral task
behavioral1
Sample
document-1916361406.xlsm
Resource
win7v20201028
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
document-1916361406.xlsm
Resource
win10v20201028
windows10_x64
0 signatures
0 seconds
General
- Target document-1916361406.xlsm
- Size 106KB
- Sample210331-2xd11gpqqj
- SHA256 8da6ad18573476ef88302e8c82287ec6f1b0a9806773fa36a3831c24a389da3c
- MD5 aa97a56cb37b0b5e517b6f230001aff4
- SHA1 b6a1a1f08f9bec94cb344b3191b01ce8eeaf13e7
- SHA512 2d078db07733e5d5ed882a90dbf74a5187d66c3beb8e4bac52b1830e6ee531245e0068de607807a384ca874a09dc6c7001a70db7237dc2c884a15bc5eda47961
- 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 1160 328 rundll32.exe 24 Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 852 328 rundll32.exe 24 Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 432 328 rundll32.exe 24 Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 1740 328 rundll32.exe 24 Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 1636 328 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\MenuExt 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 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 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\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 - Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 328 EXCEL.EXE - Suspicious use of SetWindowsHookEx 15 IoCs
pid Process 328 EXCEL.EXE 328 EXCEL.EXE 328 EXCEL.EXE 328 EXCEL.EXE 328 EXCEL.EXE 328 EXCEL.EXE 328 EXCEL.EXE 328 EXCEL.EXE 328 EXCEL.EXE 328 EXCEL.EXE 328 EXCEL.EXE 328 EXCEL.EXE 328 EXCEL.EXE 328 EXCEL.EXE 328 EXCEL.EXE - Suspicious use of WriteProcessMemory 35 IoCs
description pid Process procid_target PID 328 wrote to memory of 1160 328 EXCEL.EXE 31 PID 328 wrote to memory of 1160 328 EXCEL.EXE 31 PID 328 wrote to memory of 1160 328 EXCEL.EXE 31 PID 328 wrote to memory of 1160 328 EXCEL.EXE 31 PID 328 wrote to memory of 1160 328 EXCEL.EXE 31 PID 328 wrote to memory of 1160 328 EXCEL.EXE 31 PID 328 wrote to memory of 1160 328 EXCEL.EXE 31 PID 328 wrote to memory of 852 328 EXCEL.EXE 32 PID 328 wrote to memory of 852 328 EXCEL.EXE 32 PID 328 wrote to memory of 852 328 EXCEL.EXE 32 PID 328 wrote to memory of 852 328 EXCEL.EXE 32 PID 328 wrote to memory of 852 328 EXCEL.EXE 32 PID 328 wrote to memory of 852 328 EXCEL.EXE 32 PID 328 wrote to memory of 852 328 EXCEL.EXE 32 PID 328 wrote to memory of 432 328 EXCEL.EXE 33 PID 328 wrote to memory of 432 328 EXCEL.EXE 33 PID 328 wrote to memory of 432 328 EXCEL.EXE 33 PID 328 wrote to memory of 432 328 EXCEL.EXE 33 PID 328 wrote to memory of 432 328 EXCEL.EXE 33 PID 328 wrote to memory of 432 328 EXCEL.EXE 33 PID 328 wrote to memory of 432 328 EXCEL.EXE 33 PID 328 wrote to memory of 1740 328 EXCEL.EXE 34 PID 328 wrote to memory of 1740 328 EXCEL.EXE 34 PID 328 wrote to memory of 1740 328 EXCEL.EXE 34 PID 328 wrote to memory of 1740 328 EXCEL.EXE 34 PID 328 wrote to memory of 1740 328 EXCEL.EXE 34 PID 328 wrote to memory of 1740 328 EXCEL.EXE 34 PID 328 wrote to memory of 1740 328 EXCEL.EXE 34 PID 328 wrote to memory of 1636 328 EXCEL.EXE 35 PID 328 wrote to memory of 1636 328 EXCEL.EXE 35 PID 328 wrote to memory of 1636 328 EXCEL.EXE 35 PID 328 wrote to memory of 1636 328 EXCEL.EXE 35 PID 328 wrote to memory of 1636 328 EXCEL.EXE 35 PID 328 wrote to memory of 1636 328 EXCEL.EXE 35 PID 328 wrote to memory of 1636 328 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-1916361406.xlsm1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:328 -
C:\Windows\SysWOW64\rundll32.exerundll32 ..\iekdhfe.dsk,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:1160
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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:432
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C:\Windows\SysWOW64\rundll32.exerundll32 ..\iekdhfe.dsk3,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:1740
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C:\Windows\SysWOW64\rundll32.exerundll32 ..\iekdhfe.dsk4,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:1636
-