Analysis
- max time kernel
69s - max time network
75s - platform
windows7_x64 - resource
win7v20201028 - submitted
31/03/2021, 16:36
Static task
static1
Behavioral task
behavioral1
Sample
document-961259182.xlsm
Resource
win7v20201028
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
document-961259182.xlsm
Resource
win10v20201028
0 signatures
0 seconds
General
- Target document-961259182.xlsm
- Size 106KB
- Sample210331-1cn8ms8a5a
- SHA256 2a56b0023588bd35c0f7623dea14ab4966a932c004b4a81e871d5f7a4adecdb9
- MD5 dffb8e483f2f7e1304fc14a56ac48f1b
- SHA1 ab07db227cd37f1610b52912ae9b989f22dcc364
- SHA512 2943622c7258bafba19a4100de01fc441d0ea16bc2e62c9cf0d3e21522976f6b6bf747f4c896e22bcb157eb015e9fbf6d97dfdc1ed0587e07ad215e090df123b
- 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 512 292 rundll32.exe 24 Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 1120 292 rundll32.exe 24 Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 1956 292 rundll32.exe 24 Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 1928 292 rundll32.exe 24 Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 1692 292 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 Set value (str) \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes" EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\Toolbar EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote EXCEL.EXE Set value (str) \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\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-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55" EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel EXCEL.EXE Set value (str) \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\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-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1" EXCEL.EXE - Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 292 EXCEL.EXE - Suspicious use of SetWindowsHookEx 15 IoCs
pid Process 292 EXCEL.EXE 292 EXCEL.EXE 292 EXCEL.EXE 292 EXCEL.EXE 292 EXCEL.EXE 292 EXCEL.EXE 292 EXCEL.EXE 292 EXCEL.EXE 292 EXCEL.EXE 292 EXCEL.EXE 292 EXCEL.EXE 292 EXCEL.EXE 292 EXCEL.EXE 292 EXCEL.EXE 292 EXCEL.EXE - Suspicious use of WriteProcessMemory 35 IoCs
description pid Process procid_target PID 292 wrote to memory of 512 292 EXCEL.EXE 31 PID 292 wrote to memory of 512 292 EXCEL.EXE 31 PID 292 wrote to memory of 512 292 EXCEL.EXE 31 PID 292 wrote to memory of 512 292 EXCEL.EXE 31 PID 292 wrote to memory of 512 292 EXCEL.EXE 31 PID 292 wrote to memory of 512 292 EXCEL.EXE 31 PID 292 wrote to memory of 512 292 EXCEL.EXE 31 PID 292 wrote to memory of 1120 292 EXCEL.EXE 32 PID 292 wrote to memory of 1120 292 EXCEL.EXE 32 PID 292 wrote to memory of 1120 292 EXCEL.EXE 32 PID 292 wrote to memory of 1120 292 EXCEL.EXE 32 PID 292 wrote to memory of 1120 292 EXCEL.EXE 32 PID 292 wrote to memory of 1120 292 EXCEL.EXE 32 PID 292 wrote to memory of 1120 292 EXCEL.EXE 32 PID 292 wrote to memory of 1956 292 EXCEL.EXE 33 PID 292 wrote to memory of 1956 292 EXCEL.EXE 33 PID 292 wrote to memory of 1956 292 EXCEL.EXE 33 PID 292 wrote to memory of 1956 292 EXCEL.EXE 33 PID 292 wrote to memory of 1956 292 EXCEL.EXE 33 PID 292 wrote to memory of 1956 292 EXCEL.EXE 33 PID 292 wrote to memory of 1956 292 EXCEL.EXE 33 PID 292 wrote to memory of 1928 292 EXCEL.EXE 34 PID 292 wrote to memory of 1928 292 EXCEL.EXE 34 PID 292 wrote to memory of 1928 292 EXCEL.EXE 34 PID 292 wrote to memory of 1928 292 EXCEL.EXE 34 PID 292 wrote to memory of 1928 292 EXCEL.EXE 34 PID 292 wrote to memory of 1928 292 EXCEL.EXE 34 PID 292 wrote to memory of 1928 292 EXCEL.EXE 34 PID 292 wrote to memory of 1692 292 EXCEL.EXE 35 PID 292 wrote to memory of 1692 292 EXCEL.EXE 35 PID 292 wrote to memory of 1692 292 EXCEL.EXE 35 PID 292 wrote to memory of 1692 292 EXCEL.EXE 35 PID 292 wrote to memory of 1692 292 EXCEL.EXE 35 PID 292 wrote to memory of 1692 292 EXCEL.EXE 35 PID 292 wrote to memory of 1692 292 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-961259182.xlsm1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:292 -
C:\Windows\SysWOW64\rundll32.exerundll32 ..\iekdhfe.dsk,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:512
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C:\Windows\SysWOW64\rundll32.exerundll32 ..\iekdhfe.dsk1,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:1120
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C:\Windows\SysWOW64\rundll32.exerundll32 ..\iekdhfe.dsk2,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:1956
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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:1692
-