Analysis
- max time kernel
73s - max time network
75s - platform
windows7_x64 - resource
win7v20201028 - submitted
31/03/2021, 17:43
Static task
static1
Behavioral task
behavioral1
Sample
document-1080811384.xlsm
Resource
win7v20201028
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
document-1080811384.xlsm
Resource
win10v20201028
windows10_x64
0 signatures
0 seconds
General
- Target document-1080811384.xlsm
- Size 106KB
- Sample210331-rxxd3j76ca
- SHA256 8aeb6827bd16e1ce674f55d5614027764c958d8f9176627a2d34e1663a20c6ac
- MD5 ef8593a2810d0a654fe78b86bcb2f26f
- SHA1 f598a22c8cae644fe941edb4857495f8e97cd420
- SHA512 d4ee7ad8d1709b324d25d6f46fc00dcd3ca8c258d2ae0def042d8d2664efd3cdca85c3354b0ab9af77e18f1bc0442ef47dcb37808a5127a250bd3f9ec24f2555
- 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 528 1832 rundll32.exe 24 Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 748 1832 rundll32.exe 24 Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 1652 1832 rundll32.exe 24 Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 1928 1832 rundll32.exe 24 Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 1920 1832 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 (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\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 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 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 1832 EXCEL.EXE - Suspicious use of SetWindowsHookEx 15 IoCs
pid Process 1832 EXCEL.EXE 1832 EXCEL.EXE 1832 EXCEL.EXE 1832 EXCEL.EXE 1832 EXCEL.EXE 1832 EXCEL.EXE 1832 EXCEL.EXE 1832 EXCEL.EXE 1832 EXCEL.EXE 1832 EXCEL.EXE 1832 EXCEL.EXE 1832 EXCEL.EXE 1832 EXCEL.EXE 1832 EXCEL.EXE 1832 EXCEL.EXE - Suspicious use of WriteProcessMemory 35 IoCs
description pid Process procid_target PID 1832 wrote to memory of 528 1832 EXCEL.EXE 31 PID 1832 wrote to memory of 528 1832 EXCEL.EXE 31 PID 1832 wrote to memory of 528 1832 EXCEL.EXE 31 PID 1832 wrote to memory of 528 1832 EXCEL.EXE 31 PID 1832 wrote to memory of 528 1832 EXCEL.EXE 31 PID 1832 wrote to memory of 528 1832 EXCEL.EXE 31 PID 1832 wrote to memory of 528 1832 EXCEL.EXE 31 PID 1832 wrote to memory of 748 1832 EXCEL.EXE 33 PID 1832 wrote to memory of 748 1832 EXCEL.EXE 33 PID 1832 wrote to memory of 748 1832 EXCEL.EXE 33 PID 1832 wrote to memory of 748 1832 EXCEL.EXE 33 PID 1832 wrote to memory of 748 1832 EXCEL.EXE 33 PID 1832 wrote to memory of 748 1832 EXCEL.EXE 33 PID 1832 wrote to memory of 748 1832 EXCEL.EXE 33 PID 1832 wrote to memory of 1652 1832 EXCEL.EXE 34 PID 1832 wrote to memory of 1652 1832 EXCEL.EXE 34 PID 1832 wrote to memory of 1652 1832 EXCEL.EXE 34 PID 1832 wrote to memory of 1652 1832 EXCEL.EXE 34 PID 1832 wrote to memory of 1652 1832 EXCEL.EXE 34 PID 1832 wrote to memory of 1652 1832 EXCEL.EXE 34 PID 1832 wrote to memory of 1652 1832 EXCEL.EXE 34 PID 1832 wrote to memory of 1928 1832 EXCEL.EXE 35 PID 1832 wrote to memory of 1928 1832 EXCEL.EXE 35 PID 1832 wrote to memory of 1928 1832 EXCEL.EXE 35 PID 1832 wrote to memory of 1928 1832 EXCEL.EXE 35 PID 1832 wrote to memory of 1928 1832 EXCEL.EXE 35 PID 1832 wrote to memory of 1928 1832 EXCEL.EXE 35 PID 1832 wrote to memory of 1928 1832 EXCEL.EXE 35 PID 1832 wrote to memory of 1920 1832 EXCEL.EXE 36 PID 1832 wrote to memory of 1920 1832 EXCEL.EXE 36 PID 1832 wrote to memory of 1920 1832 EXCEL.EXE 36 PID 1832 wrote to memory of 1920 1832 EXCEL.EXE 36 PID 1832 wrote to memory of 1920 1832 EXCEL.EXE 36 PID 1832 wrote to memory of 1920 1832 EXCEL.EXE 36 PID 1832 wrote to memory of 1920 1832 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-1080811384.xlsm1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1832 -
C:\Windows\SysWOW64\rundll32.exerundll32 ..\iekdhfe.dsk,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:528
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C:\Windows\SysWOW64\rundll32.exerundll32 ..\iekdhfe.dsk1,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:748
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C:\Windows\SysWOW64\rundll32.exerundll32 ..\iekdhfe.dsk2,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:1652
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C:\Windows\SysWOW64\rundll32.exerundll32 ..\iekdhfe.dsk3,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:1928
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C:\Windows\SysWOW64\rundll32.exerundll32 ..\iekdhfe.dsk4,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:1920
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