Analysis
- max time kernel
72s - max time network
75s - platform
windows7_x64 - resource
win7v20201028 - submitted
31/03/2021, 17:23
Static task
static1
Behavioral task
behavioral1
Sample
document-1272134269.xlsm
Resource
win7v20201028
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
document-1272134269.xlsm
Resource
win10v20201028
windows10_x64
0 signatures
0 seconds
General
- Target document-1272134269.xlsm
- Size 106KB
- Sample210331-3zz9b83ms2
- SHA256 d82af53c1cef5d0a18c72ed357c076db5bc0010331e54b93c2f97b642fd236a2
- MD5 c7036b3b6178e4dc92db80b7bf403b1b
- SHA1 6bad584b1a5d48120abb0986c08de317d3861065
- SHA512 e8430a0db4d8150db44f818ebda2692f7b9d26dc6d342bf83daa0e8a2441263a054aab367b11789abb608b6c80323af5660f0d2528699bdd6ef031dfe20870ea
- 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 1516 1088 rundll32.exe 24 Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 1164 1088 rundll32.exe 24 Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 1000 1088 rundll32.exe 24 Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 920 1088 rundll32.exe 24 Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 828 1088 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 (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 (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 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\Se&nd to OneNote EXCEL.EXE - Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 1088 EXCEL.EXE - Suspicious use of SetWindowsHookEx 15 IoCs
pid Process 1088 EXCEL.EXE 1088 EXCEL.EXE 1088 EXCEL.EXE 1088 EXCEL.EXE 1088 EXCEL.EXE 1088 EXCEL.EXE 1088 EXCEL.EXE 1088 EXCEL.EXE 1088 EXCEL.EXE 1088 EXCEL.EXE 1088 EXCEL.EXE 1088 EXCEL.EXE 1088 EXCEL.EXE 1088 EXCEL.EXE 1088 EXCEL.EXE - Suspicious use of WriteProcessMemory 35 IoCs
description pid Process procid_target PID 1088 wrote to memory of 1516 1088 EXCEL.EXE 31 PID 1088 wrote to memory of 1516 1088 EXCEL.EXE 31 PID 1088 wrote to memory of 1516 1088 EXCEL.EXE 31 PID 1088 wrote to memory of 1516 1088 EXCEL.EXE 31 PID 1088 wrote to memory of 1516 1088 EXCEL.EXE 31 PID 1088 wrote to memory of 1516 1088 EXCEL.EXE 31 PID 1088 wrote to memory of 1516 1088 EXCEL.EXE 31 PID 1088 wrote to memory of 1164 1088 EXCEL.EXE 33 PID 1088 wrote to memory of 1164 1088 EXCEL.EXE 33 PID 1088 wrote to memory of 1164 1088 EXCEL.EXE 33 PID 1088 wrote to memory of 1164 1088 EXCEL.EXE 33 PID 1088 wrote to memory of 1164 1088 EXCEL.EXE 33 PID 1088 wrote to memory of 1164 1088 EXCEL.EXE 33 PID 1088 wrote to memory of 1164 1088 EXCEL.EXE 33 PID 1088 wrote to memory of 1000 1088 EXCEL.EXE 34 PID 1088 wrote to memory of 1000 1088 EXCEL.EXE 34 PID 1088 wrote to memory of 1000 1088 EXCEL.EXE 34 PID 1088 wrote to memory of 1000 1088 EXCEL.EXE 34 PID 1088 wrote to memory of 1000 1088 EXCEL.EXE 34 PID 1088 wrote to memory of 1000 1088 EXCEL.EXE 34 PID 1088 wrote to memory of 1000 1088 EXCEL.EXE 34 PID 1088 wrote to memory of 920 1088 EXCEL.EXE 35 PID 1088 wrote to memory of 920 1088 EXCEL.EXE 35 PID 1088 wrote to memory of 920 1088 EXCEL.EXE 35 PID 1088 wrote to memory of 920 1088 EXCEL.EXE 35 PID 1088 wrote to memory of 920 1088 EXCEL.EXE 35 PID 1088 wrote to memory of 920 1088 EXCEL.EXE 35 PID 1088 wrote to memory of 920 1088 EXCEL.EXE 35 PID 1088 wrote to memory of 828 1088 EXCEL.EXE 36 PID 1088 wrote to memory of 828 1088 EXCEL.EXE 36 PID 1088 wrote to memory of 828 1088 EXCEL.EXE 36 PID 1088 wrote to memory of 828 1088 EXCEL.EXE 36 PID 1088 wrote to memory of 828 1088 EXCEL.EXE 36 PID 1088 wrote to memory of 828 1088 EXCEL.EXE 36 PID 1088 wrote to memory of 828 1088 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-1272134269.xlsm1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1088 -
C:\Windows\SysWOW64\rundll32.exerundll32 ..\iekdhfe.dsk,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:1516
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C:\Windows\SysWOW64\rundll32.exerundll32 ..\iekdhfe.dsk1,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:1164
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C:\Windows\SysWOW64\rundll32.exerundll32 ..\iekdhfe.dsk2,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:1000
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C:\Windows\SysWOW64\rundll32.exerundll32 ..\iekdhfe.dsk3,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:920
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C:\Windows\SysWOW64\rundll32.exerundll32 ..\iekdhfe.dsk4,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:828
-