| File name: | message_v2.rpmsg |
| Full analysis: | https://app.any.run/tasks/c2a46e71-ddf1-4b8c-ad97-9e666269dc83 |
| Verdict: | Malicious activity |
| Analysis date: | May 02, 2024, 13:13:30 |
| OS: | Windows 7 Professional Service Pack 1 (build: 7601, 32 bit) |
| Indicators: | |
| MIME: | application/octet-stream |
| File info: | rpmsg Restricted Permission Message |
| MD5: | F15F871B6A04300B0AC88711B3B5DB44 |
| SHA1: | D19C9C32836A14061E838DEDBC5E65F5FB5C59ED |
| SHA256: | EC85D62EA25D0943C7C126F08D05B2AF231017A74D8DE758264D7A5C6C20DDAC |
| SSDEEP: | 98304:/nVDN2SO2lg7HJM6LDmptcPlDSGcqIlsKl3O80kDRyRu92sO/BYFubG8G13qAO6v:cWU7qd0O+2 |
MALICIOUS
The DLL Hijacking
- OIS.EXE (PID: 4032)
SUSPICIOUS
No suspicious indicators.INFO
Creates files or folders in the user directory
- OIS.EXE (PID: 4032)
Checks supported languages
- OIS.EXE (PID: 4032)
Reads the computer name
- OIS.EXE (PID: 4032)
Reads Microsoft Office registry keys
- OIS.EXE (PID: 4032)
Reads Environment values
- OIS.EXE (PID: 4032)
Reads the machine GUID from the registry
- OIS.EXE (PID: 4032)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .rpmsg | | | Restricted-Permission Message (100) |
|---|
Total processes
34
Monitored processes
2
Malicious processes
1
Suspicious processes
1
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 4000 | "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\admin\AppData\Local\Temp\message_v2.rpmsg | C:\Windows\System32\rundll32.exe | — | explorer.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows host process (Rundll32) Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 4032 | "C:\PROGRA~1\MICROS~1\Office14\OIS.EXE" /shellOpen "C:\Users\admin\AppData\Local\Temp\message_v2.rpmsg" | C:\Program Files\Microsoft Office\Office14\OIS.EXE | — | rundll32.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Microsoft Office 2010 Version: 14.0.6015.1000 Modules
| |||||||||||||||
Total events
7 476
Read events
7 377
Write events
96
Delete events
3
Modification events
| (PID) Process: | (4000) rundll32.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\Shell\MuiCache |
| Operation: | write | Name: | C:\Windows\eHome\ehshell.exe |
Value: Windows Media Center | |||
| (PID) Process: | (4000) rundll32.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\Shell\MuiCache |
| Operation: | write | Name: | C:\Program Files\Mozilla Firefox\firefox.exe |
Value: Firefox | |||
| (PID) Process: | (4000) rundll32.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\Shell\MuiCache |
| Operation: | write | Name: | C:\Program Files\Internet Explorer\iexplore.exe |
Value: Internet Explorer | |||
| (PID) Process: | (4000) rundll32.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\Shell\MuiCache |
| Operation: | write | Name: | C:\Windows\system32\mspaint.exe |
Value: Paint | |||
| (PID) Process: | (4000) rundll32.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\Shell\MuiCache |
| Operation: | write | Name: | C:\Windows\system32\NOTEPAD.EXE |
Value: Notepad | |||
| (PID) Process: | (4000) rundll32.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\Shell\MuiCache |
| Operation: | write | Name: | C:\PROGRA~1\MICROS~1\Office14\OIS.EXE |
Value: Microsoft Office 2010 | |||
| (PID) Process: | (4000) rundll32.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\Shell\MuiCache |
| Operation: | write | Name: | C:\Program Files\Windows Photo Viewer\PhotoViewer.dll |
Value: Windows Photo Viewer | |||
| (PID) Process: | (4000) rundll32.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\Shell\MuiCache |
| Operation: | write | Name: | C:\Program Files\VideoLAN\VLC\vlc.exe |
Value: VLC media player | |||
| (PID) Process: | (4000) rundll32.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\Shell\MuiCache |
| Operation: | write | Name: | C:\Program Files\Microsoft Office\Office14\WINWORD.EXE |
Value: Microsoft Word | |||
| (PID) Process: | (4000) rundll32.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\182\52C64B7E |
| Operation: | write | Name: | LanguageList |
Value: en-US | |||
Executable files
0
Suspicious files
0
Text files
1
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 4032 | OIS.EXE | C:\Users\admin\AppData\Local\Temp\CVR7FFF.tmp.cvr | — | |
MD5:— | SHA256:— | |||
| 4032 | OIS.EXE | C:\Users\admin\AppData\Local\Microsoft\OIS\OIScatalog.cag | text | |
MD5:45853C6351B8FC9AFA51B30051D6C127 | SHA256:80F0A83A0E3BBB345694B0C0811221869099E8C15C1CE1D54CA1C437210DCDAB | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
3
DNS requests
0
Threats
0
HTTP requests
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
Connections
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
4 | System | 192.168.100.255:137 | — | — | — | whitelisted |
4 | System | 192.168.100.255:138 | — | — | — | unknown |
— | — | 224.0.0.252:5355 | — | — | — | unknown |