Analysis
- max time kernel
73s - max time network
74s - platform
windows7_x64 - resource
win7v20201028 - submitted
01/04/2021, 16:48
Static task
static1
Behavioral task
behavioral1
Sample
227.xlsm
Resource
win7v20201028
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
227.xlsm
Resource
win10v20201028
windows10_x64
0 signatures
0 seconds
General
- Target 227.xlsm
- Size 84KB
- Sample210401-e2pvh4gty2
- SHA256 8b2de6ab509fa1b414a544c4dfab18ad53384508d33107557aa26d2ff517e4e7
- MD5 d099946b769714cd4dbd17bb20f0d568
- SHA1 80540302c3f9f710e579bbb98677bd38f2972b13
- SHA512 6ed365111c1f834064cda0e1e4451f013bd2dc9fe92f926fd11893eab60cca08bc594d726a4e9024a2b9014d46fe4a11780d7993bbebd6e1cae94d0500c1921f
- 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://vts.us.com/ds/0104.gif
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xlm40.dropper
https://mundotecnologiasolar.com/ds/0104.gif
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xlm40.dropper
https://comosairdoburaco.com.br/ds/0104.gif
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xlm40.dropper
https://accesslinksgroup.com/ds/0104.gif
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xlm40.dropper
https://ponchokhana.com/ds/0104.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 1056 1340 rundll32.exe 24 Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 1220 1340 rundll32.exe 24 Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 1012 1340 rundll32.exe 24 Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 1972 1340 rundll32.exe 24 Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 1048 1340 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\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 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\Toolbar\ShowDiscussionButton = "Yes" 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 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 - Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 1340 EXCEL.EXE - Suspicious use of SetWindowsHookEx 13 IoCs
pid Process 1340 EXCEL.EXE 1340 EXCEL.EXE 1340 EXCEL.EXE 1340 EXCEL.EXE 1340 EXCEL.EXE 1340 EXCEL.EXE 1340 EXCEL.EXE 1340 EXCEL.EXE 1340 EXCEL.EXE 1340 EXCEL.EXE 1340 EXCEL.EXE 1340 EXCEL.EXE 1340 EXCEL.EXE - Suspicious use of WriteProcessMemory 35 IoCs
description pid Process procid_target PID 1340 wrote to memory of 1056 1340 EXCEL.EXE 31 PID 1340 wrote to memory of 1056 1340 EXCEL.EXE 31 PID 1340 wrote to memory of 1056 1340 EXCEL.EXE 31 PID 1340 wrote to memory of 1056 1340 EXCEL.EXE 31 PID 1340 wrote to memory of 1056 1340 EXCEL.EXE 31 PID 1340 wrote to memory of 1056 1340 EXCEL.EXE 31 PID 1340 wrote to memory of 1056 1340 EXCEL.EXE 31 PID 1340 wrote to memory of 1220 1340 EXCEL.EXE 32 PID 1340 wrote to memory of 1220 1340 EXCEL.EXE 32 PID 1340 wrote to memory of 1220 1340 EXCEL.EXE 32 PID 1340 wrote to memory of 1220 1340 EXCEL.EXE 32 PID 1340 wrote to memory of 1220 1340 EXCEL.EXE 32 PID 1340 wrote to memory of 1220 1340 EXCEL.EXE 32 PID 1340 wrote to memory of 1220 1340 EXCEL.EXE 32 PID 1340 wrote to memory of 1012 1340 EXCEL.EXE 33 PID 1340 wrote to memory of 1012 1340 EXCEL.EXE 33 PID 1340 wrote to memory of 1012 1340 EXCEL.EXE 33 PID 1340 wrote to memory of 1012 1340 EXCEL.EXE 33 PID 1340 wrote to memory of 1012 1340 EXCEL.EXE 33 PID 1340 wrote to memory of 1012 1340 EXCEL.EXE 33 PID 1340 wrote to memory of 1012 1340 EXCEL.EXE 33 PID 1340 wrote to memory of 1972 1340 EXCEL.EXE 34 PID 1340 wrote to memory of 1972 1340 EXCEL.EXE 34 PID 1340 wrote to memory of 1972 1340 EXCEL.EXE 34 PID 1340 wrote to memory of 1972 1340 EXCEL.EXE 34 PID 1340 wrote to memory of 1972 1340 EXCEL.EXE 34 PID 1340 wrote to memory of 1972 1340 EXCEL.EXE 34 PID 1340 wrote to memory of 1972 1340 EXCEL.EXE 34 PID 1340 wrote to memory of 1048 1340 EXCEL.EXE 35 PID 1340 wrote to memory of 1048 1340 EXCEL.EXE 35 PID 1340 wrote to memory of 1048 1340 EXCEL.EXE 35 PID 1340 wrote to memory of 1048 1340 EXCEL.EXE 35 PID 1340 wrote to memory of 1048 1340 EXCEL.EXE 35 PID 1340 wrote to memory of 1048 1340 EXCEL.EXE 35 PID 1340 wrote to memory of 1048 1340 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\227.xlsm1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1340 -
C:\Windows\SysWOW64\rundll32.exerundll32 ..\iekdhfe.dsk,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:1056
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C:\Windows\SysWOW64\rundll32.exerundll32 ..\iekdhfe.dsk1,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:1220
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C:\Windows\SysWOW64\rundll32.exerundll32 ..\iekdhfe.dsk2,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:1012
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C:\Windows\SysWOW64\rundll32.exerundll32 ..\iekdhfe.dsk3,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:1972
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C:\Windows\SysWOW64\rundll32.exerundll32 ..\iekdhfe.dsk4,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:1048
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