Analysis
-
max time kernel
150s -
max time network
92s -
platform
windows7_x64 -
resource
win7v20201028 -
submitted
15-03-2021 08:03
Behavioral task
behavioral1
Sample
dettagli_678.xlsb
Resource
win7v20201028
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
dettagli_678.xlsb
Resource
win10v20201028
windows10_x64
0 signatures
0 seconds
General
-
Target
dettagli_678.xlsb
-
Size
83KB
-
MD5
27eed9b95ce12d61e67046c1cae86d8a
-
SHA1
0bb4203aa0851412702619e7880fc867027c1596
-
SHA256
4d4b6fbf8392b5b2b0145fb775c8e2774370494b84c7d30da68fa12639c08039
-
SHA512
e547b1850d4f147bc82812a8b04ed3011cf720f1cfe31f660dfc2ea520ea152f3923727e5136cee5464cc638b5e36dd5500171dbd1e33ce4ea04ccce3701acb7
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 560 800 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 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\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 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
Processes:
EXCEL.EXEpid process 800 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 5 IoCs
Processes:
EXCEL.EXEpid process 800 EXCEL.EXE 800 EXCEL.EXE 800 EXCEL.EXE 800 EXCEL.EXE 800 EXCEL.EXE -
Suspicious use of WriteProcessMemory 7 IoCs
Processes:
EXCEL.EXEdescription pid process target process PID 800 wrote to memory of 560 800 EXCEL.EXE rundll32.exe PID 800 wrote to memory of 560 800 EXCEL.EXE rundll32.exe PID 800 wrote to memory of 560 800 EXCEL.EXE rundll32.exe PID 800 wrote to memory of 560 800 EXCEL.EXE rundll32.exe PID 800 wrote to memory of 560 800 EXCEL.EXE rundll32.exe PID 800 wrote to memory of 560 800 EXCEL.EXE rundll32.exe PID 800 wrote to memory of 560 800 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_678.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/560-6-0x0000000000000000-mapping.dmp
-
memory/560-7-0x0000000076C21000-0x0000000076C23000-memory.dmpFilesize
8KB
-
memory/800-2-0x000000002F791000-0x000000002F794000-memory.dmpFilesize
12KB
-
memory/800-3-0x0000000071B21000-0x0000000071B23000-memory.dmpFilesize
8KB
-
memory/800-4-0x000000005FFF0000-0x0000000060000000-memory.dmpFilesize
64KB
-
memory/1988-5-0x000007FEF7C70000-0x000007FEF7EEA000-memory.dmpFilesize
2.5MB