Analysis
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max time kernel
153s -
max time network
135s -
platform
windows7_x64 -
resource
win7v20210408 -
submitted
23-04-2021 22:38
Behavioral task
behavioral1
Sample
catalog-1028963148.xlsm
Resource
win7v20210408
windows7_x64
0 signatures
0 seconds
General
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Target
catalog-1028963148.xlsm
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Size
109KB
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MD5
ab14fe45539ccf2ed1fb20bd0330dc3f
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SHA1
f1a35a0b4acf9e6e8df261ddac2ed7a1e5e460b1
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SHA256
90138abe76c52d8237a736789f313d89b9ea848230754827318fdf96fa41a00b
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SHA512
8787fb64331e21d944347e646e5a1932071e7b53c7a3816783aa871a322b4e69f1673ccd05f41059ee8093046bb62b7ef68ab798d54af062ea54feb464a662a3
Score
10/10
Malware Config
Extracted
Language
xlm4.0
Source
URLs
xlm40.dropper
https://immobiliareneri.casa/drms/ind.html
xlm40.dropper
https://gidbasket.com/drms/ind.html
Signatures
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Process spawned unexpected child process 2 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
Processes:
rundll32.exerundll32.exedescription pid pid_target process target process Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 1512 1840 rundll32.exe EXCEL.EXE Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 1152 1840 rundll32.exe EXCEL.EXE -
Enumerates system info in registry 2 TTPs 1 IoCs
Processes:
EXCEL.EXEdescription ioc process Key opened \REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor EXCEL.EXE -
Processes:
EXCEL.EXEdescription ioc process Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel EXCEL.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000" EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Toolbar EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote EXCEL.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\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-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55" EXCEL.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes" EXCEL.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1" EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
EXCEL.EXEpid process 1840 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 3 IoCs
Processes:
EXCEL.EXEpid process 1840 EXCEL.EXE 1840 EXCEL.EXE 1840 EXCEL.EXE -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
EXCEL.EXEdescription pid process target process PID 1840 wrote to memory of 1512 1840 EXCEL.EXE rundll32.exe PID 1840 wrote to memory of 1512 1840 EXCEL.EXE rundll32.exe PID 1840 wrote to memory of 1512 1840 EXCEL.EXE rundll32.exe PID 1840 wrote to memory of 1512 1840 EXCEL.EXE rundll32.exe PID 1840 wrote to memory of 1512 1840 EXCEL.EXE rundll32.exe PID 1840 wrote to memory of 1512 1840 EXCEL.EXE rundll32.exe PID 1840 wrote to memory of 1512 1840 EXCEL.EXE rundll32.exe PID 1840 wrote to memory of 1152 1840 EXCEL.EXE rundll32.exe PID 1840 wrote to memory of 1152 1840 EXCEL.EXE rundll32.exe PID 1840 wrote to memory of 1152 1840 EXCEL.EXE rundll32.exe PID 1840 wrote to memory of 1152 1840 EXCEL.EXE rundll32.exe PID 1840 wrote to memory of 1152 1840 EXCEL.EXE rundll32.exe PID 1840 wrote to memory of 1152 1840 EXCEL.EXE rundll32.exe PID 1840 wrote to memory of 1152 1840 EXCEL.EXE rundll32.exe
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\catalog-1028963148.xlsm1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1840 -
C:\Windows\SysWOW64\rundll32.exerundll32 ..\duron.bnm1,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:1512 -
C:\Windows\SysWOW64\rundll32.exerundll32 ..\duron.bnm2,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:1152