Analysis
-
max time kernel
69s -
max time network
13s -
platform
windows7_x64 -
resource
win7v20201028 -
submitted
15-03-2021 08:03
Behavioral task
behavioral1
Sample
dettagli_745.xlsb
Resource
win7v20201028
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
dettagli_745.xlsb
Resource
win10v20201028
windows10_x64
0 signatures
0 seconds
General
-
Target
dettagli_745.xlsb
-
Size
79KB
-
MD5
a89808c7ee3cfdb2dd85c672c7b0392e
-
SHA1
56f125b322a2b716dff33841973c460f0cbb7880
-
SHA256
61d703cb25b23a38d3ccbe65660df1ceaf0ca5fb37a899f47831e901091efd75
-
SHA512
da5b6f7a212b1681779e9075c111c034916b55887016e0aa7637ee5617d9aaf7bda4dd16318605453dc1c967c4aea6324e62c22777269a1331bb309fbaae3c0f
Score
10/10
Malware Config
Extracted
Language
xlm4.0
Source
URLs
xlm40.dropper
http://linestata.casa/register.jpg
Signatures
-
Process spawned unexpected child process 1 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
Processes:
rundll32.exedescription pid pid_target process target process Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 776 1932 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-1-5-21-3825035466-2522850611-591511364-1000\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\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 (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 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 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 -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
EXCEL.EXEpid process 1932 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 5 IoCs
Processes:
EXCEL.EXEpid process 1932 EXCEL.EXE 1932 EXCEL.EXE 1932 EXCEL.EXE 1932 EXCEL.EXE 1932 EXCEL.EXE -
Suspicious use of WriteProcessMemory 7 IoCs
Processes:
EXCEL.EXEdescription pid process target process PID 1932 wrote to memory of 776 1932 EXCEL.EXE rundll32.exe PID 1932 wrote to memory of 776 1932 EXCEL.EXE rundll32.exe PID 1932 wrote to memory of 776 1932 EXCEL.EXE rundll32.exe PID 1932 wrote to memory of 776 1932 EXCEL.EXE rundll32.exe PID 1932 wrote to memory of 776 1932 EXCEL.EXE rundll32.exe PID 1932 wrote to memory of 776 1932 EXCEL.EXE rundll32.exe PID 1932 wrote to memory of 776 1932 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\dettagli_745.xlsb1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\rundll32.exe"C:\Windows\System32\rundll32.exe" C:\WumjuMa\vjsRMoq\iJUOgdB.dll,DllRegisterServer2⤵
- Process spawned unexpected child process
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
memory/544-5-0x000007FEF5BC0000-0x000007FEF5E3A000-memory.dmpFilesize
2.5MB
-
memory/776-6-0x0000000000000000-mapping.dmp
-
memory/776-7-0x00000000750C1000-0x00000000750C3000-memory.dmpFilesize
8KB
-
memory/1932-2-0x000000002F7F1000-0x000000002F7F4000-memory.dmpFilesize
12KB
-
memory/1932-3-0x0000000070BA1000-0x0000000070BA3000-memory.dmpFilesize
8KB
-
memory/1932-4-0x000000005FFF0000-0x0000000060000000-memory.dmpFilesize
64KB