Analysis
- max time kernel
73s - max time network
76s - platform
windows7_x64 - resource
win7v20201028 - submitted
01/04/2021, 06:44
Static task
static1
Behavioral task
behavioral1
Sample
document-852263110.xlsm
Resource
win7v20201028
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
document-852263110.xlsm
Resource
win10v20201028
windows10_x64
0 signatures
0 seconds
General
- Target document-852263110.xlsm
- Size 106KB
- Sample210401-9mdh5da3bn
- SHA256 a473dd7944b495dd027b01d690d8e85719b334168a0ac1cd72565e895cd4c19b
- MD5 e62b9229d647b88562b27a4c7adbd276
- SHA1 27aa706b464d94a94e1f5dfb3294a33d3879d9a0
- SHA512 81a4bba2a4e368da7c4fa3267e2aa732e7816c286be6949fb2e77fd55745923141ff1c3c7d44128d04bafa4606bbcefabe1cbded1c46a6bdd5c9a13b94d1f6b4
- 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 364 336 rundll32.exe 24 Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 928 336 rundll32.exe 24 Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 1108 336 rundll32.exe 24 Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 1624 336 rundll32.exe 24 Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 860 336 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\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 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 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 - Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 336 EXCEL.EXE - Suspicious use of SetWindowsHookEx 15 IoCs
pid Process 336 EXCEL.EXE 336 EXCEL.EXE 336 EXCEL.EXE 336 EXCEL.EXE 336 EXCEL.EXE 336 EXCEL.EXE 336 EXCEL.EXE 336 EXCEL.EXE 336 EXCEL.EXE 336 EXCEL.EXE 336 EXCEL.EXE 336 EXCEL.EXE 336 EXCEL.EXE 336 EXCEL.EXE 336 EXCEL.EXE - Suspicious use of WriteProcessMemory 35 IoCs
description pid Process procid_target PID 336 wrote to memory of 364 336 EXCEL.EXE 31 PID 336 wrote to memory of 364 336 EXCEL.EXE 31 PID 336 wrote to memory of 364 336 EXCEL.EXE 31 PID 336 wrote to memory of 364 336 EXCEL.EXE 31 PID 336 wrote to memory of 364 336 EXCEL.EXE 31 PID 336 wrote to memory of 364 336 EXCEL.EXE 31 PID 336 wrote to memory of 364 336 EXCEL.EXE 31 PID 336 wrote to memory of 928 336 EXCEL.EXE 32 PID 336 wrote to memory of 928 336 EXCEL.EXE 32 PID 336 wrote to memory of 928 336 EXCEL.EXE 32 PID 336 wrote to memory of 928 336 EXCEL.EXE 32 PID 336 wrote to memory of 928 336 EXCEL.EXE 32 PID 336 wrote to memory of 928 336 EXCEL.EXE 32 PID 336 wrote to memory of 928 336 EXCEL.EXE 32 PID 336 wrote to memory of 1108 336 EXCEL.EXE 33 PID 336 wrote to memory of 1108 336 EXCEL.EXE 33 PID 336 wrote to memory of 1108 336 EXCEL.EXE 33 PID 336 wrote to memory of 1108 336 EXCEL.EXE 33 PID 336 wrote to memory of 1108 336 EXCEL.EXE 33 PID 336 wrote to memory of 1108 336 EXCEL.EXE 33 PID 336 wrote to memory of 1108 336 EXCEL.EXE 33 PID 336 wrote to memory of 1624 336 EXCEL.EXE 34 PID 336 wrote to memory of 1624 336 EXCEL.EXE 34 PID 336 wrote to memory of 1624 336 EXCEL.EXE 34 PID 336 wrote to memory of 1624 336 EXCEL.EXE 34 PID 336 wrote to memory of 1624 336 EXCEL.EXE 34 PID 336 wrote to memory of 1624 336 EXCEL.EXE 34 PID 336 wrote to memory of 1624 336 EXCEL.EXE 34 PID 336 wrote to memory of 860 336 EXCEL.EXE 35 PID 336 wrote to memory of 860 336 EXCEL.EXE 35 PID 336 wrote to memory of 860 336 EXCEL.EXE 35 PID 336 wrote to memory of 860 336 EXCEL.EXE 35 PID 336 wrote to memory of 860 336 EXCEL.EXE 35 PID 336 wrote to memory of 860 336 EXCEL.EXE 35 PID 336 wrote to memory of 860 336 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-852263110.xlsm1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:336 -
C:\Windows\SysWOW64\rundll32.exerundll32 ..\iekdhfe.dsk,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:364
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C:\Windows\SysWOW64\rundll32.exerundll32 ..\iekdhfe.dsk1,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:928
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C:\Windows\SysWOW64\rundll32.exerundll32 ..\iekdhfe.dsk2,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:1108
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C:\Windows\SysWOW64\rundll32.exerundll32 ..\iekdhfe.dsk3,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:1624
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C:\Windows\SysWOW64\rundll32.exerundll32 ..\iekdhfe.dsk4,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:860
-