Analysis
- max time kernel
74s - max time network
82s - platform
windows7_x64 - resource
win7v20201028 - submitted
31/03/2021, 16:58
Static task
static1
Behavioral task
behavioral1
Sample
document-1518905456.xlsm
Resource
win7v20201028
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
document-1518905456.xlsm
Resource
win10v20201028
windows10_x64
0 signatures
0 seconds
General
- Target document-1518905456.xlsm
- Size 106KB
- Sample210331-aaw3qgapmn
- SHA256 72a1d0fdb843daa7264abdd9c8cdbb8c58e8c8ebbb0d6f2b94cd15f2d6e6be67
- MD5 cda9156d78e3946a29d0715e19b58530
- SHA1 01f6bb5d775c25e81fdfe0b2155f045fa0149f86
- SHA512 95c2ded47c550032729d181121dc219fcc90edec1fd55058570cf93afaf256a396b8ba53f493d75c179018b7e40bef6d8bb3d8c5751545c944b5e756c824ba83
- 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 1084 rundll32.exe 24 Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 1840 1084 rundll32.exe 24 Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 1836 1084 rundll32.exe 24 Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 956 1084 rundll32.exe 24 Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 912 1084 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 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 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 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 (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 - Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 1084 EXCEL.EXE - Suspicious use of SetWindowsHookEx 15 IoCs
pid Process 1084 EXCEL.EXE 1084 EXCEL.EXE 1084 EXCEL.EXE 1084 EXCEL.EXE 1084 EXCEL.EXE 1084 EXCEL.EXE 1084 EXCEL.EXE 1084 EXCEL.EXE 1084 EXCEL.EXE 1084 EXCEL.EXE 1084 EXCEL.EXE 1084 EXCEL.EXE 1084 EXCEL.EXE 1084 EXCEL.EXE 1084 EXCEL.EXE - Suspicious use of WriteProcessMemory 35 IoCs
description pid Process procid_target PID 1084 wrote to memory of 872 1084 EXCEL.EXE 31 PID 1084 wrote to memory of 872 1084 EXCEL.EXE 31 PID 1084 wrote to memory of 872 1084 EXCEL.EXE 31 PID 1084 wrote to memory of 872 1084 EXCEL.EXE 31 PID 1084 wrote to memory of 872 1084 EXCEL.EXE 31 PID 1084 wrote to memory of 872 1084 EXCEL.EXE 31 PID 1084 wrote to memory of 872 1084 EXCEL.EXE 31 PID 1084 wrote to memory of 1840 1084 EXCEL.EXE 32 PID 1084 wrote to memory of 1840 1084 EXCEL.EXE 32 PID 1084 wrote to memory of 1840 1084 EXCEL.EXE 32 PID 1084 wrote to memory of 1840 1084 EXCEL.EXE 32 PID 1084 wrote to memory of 1840 1084 EXCEL.EXE 32 PID 1084 wrote to memory of 1840 1084 EXCEL.EXE 32 PID 1084 wrote to memory of 1840 1084 EXCEL.EXE 32 PID 1084 wrote to memory of 1836 1084 EXCEL.EXE 33 PID 1084 wrote to memory of 1836 1084 EXCEL.EXE 33 PID 1084 wrote to memory of 1836 1084 EXCEL.EXE 33 PID 1084 wrote to memory of 1836 1084 EXCEL.EXE 33 PID 1084 wrote to memory of 1836 1084 EXCEL.EXE 33 PID 1084 wrote to memory of 1836 1084 EXCEL.EXE 33 PID 1084 wrote to memory of 1836 1084 EXCEL.EXE 33 PID 1084 wrote to memory of 956 1084 EXCEL.EXE 35 PID 1084 wrote to memory of 956 1084 EXCEL.EXE 35 PID 1084 wrote to memory of 956 1084 EXCEL.EXE 35 PID 1084 wrote to memory of 956 1084 EXCEL.EXE 35 PID 1084 wrote to memory of 956 1084 EXCEL.EXE 35 PID 1084 wrote to memory of 956 1084 EXCEL.EXE 35 PID 1084 wrote to memory of 956 1084 EXCEL.EXE 35 PID 1084 wrote to memory of 912 1084 EXCEL.EXE 36 PID 1084 wrote to memory of 912 1084 EXCEL.EXE 36 PID 1084 wrote to memory of 912 1084 EXCEL.EXE 36 PID 1084 wrote to memory of 912 1084 EXCEL.EXE 36 PID 1084 wrote to memory of 912 1084 EXCEL.EXE 36 PID 1084 wrote to memory of 912 1084 EXCEL.EXE 36 PID 1084 wrote to memory of 912 1084 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-1518905456.xlsm1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1084 -
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:1840
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C:\Windows\SysWOW64\rundll32.exerundll32 ..\iekdhfe.dsk2,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:1836
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C:\Windows\SysWOW64\rundll32.exerundll32 ..\iekdhfe.dsk3,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:956
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C:\Windows\SysWOW64\rundll32.exerundll32 ..\iekdhfe.dsk4,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:912
-