Analysis
-
max time kernel
153s -
max time network
134s -
platform
windows7_x64 -
resource
win7v20210408 -
submitted
23-04-2021 22:38
Behavioral task
behavioral1
Sample
catalog-1027210071.xlsm
Resource
win7v20210408
windows7_x64
0 signatures
0 seconds
General
-
Target
catalog-1027210071.xlsm
-
Size
109KB
-
MD5
3d0bb8e24e3b2588f7eb50e79c64a91a
-
SHA1
7e98c9f7c9905b6336ec36c519daccf0c6428786
-
SHA256
cf285c60687749efc3796d3cec22c388315403ba21f4a2bc9c1b23ac6f465148
-
SHA512
7d61f01cae9714397ed974188ba4679fdeea518697e266a8a375b86d52e16bf55d678aa94411782c511109b4c678e1cf6703d6e8c6d9363b77b1f8abb81287d7
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
-
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 388 1304 rundll32.exe EXCEL.EXE Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 1848 1304 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 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 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 (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 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 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 Set value (str) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes" 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 -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
EXCEL.EXEpid process 1304 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 3 IoCs
Processes:
EXCEL.EXEpid process 1304 EXCEL.EXE 1304 EXCEL.EXE 1304 EXCEL.EXE -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
EXCEL.EXEdescription pid process target process PID 1304 wrote to memory of 388 1304 EXCEL.EXE rundll32.exe PID 1304 wrote to memory of 388 1304 EXCEL.EXE rundll32.exe PID 1304 wrote to memory of 388 1304 EXCEL.EXE rundll32.exe PID 1304 wrote to memory of 388 1304 EXCEL.EXE rundll32.exe PID 1304 wrote to memory of 388 1304 EXCEL.EXE rundll32.exe PID 1304 wrote to memory of 388 1304 EXCEL.EXE rundll32.exe PID 1304 wrote to memory of 388 1304 EXCEL.EXE rundll32.exe PID 1304 wrote to memory of 1848 1304 EXCEL.EXE rundll32.exe PID 1304 wrote to memory of 1848 1304 EXCEL.EXE rundll32.exe PID 1304 wrote to memory of 1848 1304 EXCEL.EXE rundll32.exe PID 1304 wrote to memory of 1848 1304 EXCEL.EXE rundll32.exe PID 1304 wrote to memory of 1848 1304 EXCEL.EXE rundll32.exe PID 1304 wrote to memory of 1848 1304 EXCEL.EXE rundll32.exe PID 1304 wrote to memory of 1848 1304 EXCEL.EXE rundll32.exe
Processes
-
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-1027210071.xlsm1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1304 -
C:\Windows\SysWOW64\rundll32.exerundll32 ..\duron.bnm1,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:388 -
C:\Windows\SysWOW64\rundll32.exerundll32 ..\duron.bnm2,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:1848