| File name: | ctldl.windowsupdate.com |
| Full analysis: | https://app.any.run/tasks/c0b3389b-a4c7-44db-bfe3-34855ed55584 |
| Verdict: | Malicious activity |
| Analysis date: | February 07, 2024, 01:18:04 |
| OS: | Windows 7 Professional Service Pack 1 (build: 7601, 32 bit) |
| Indicators: | |
| MIME: | application/vnd.ms-cab-compressed |
| File info: | Microsoft Cabinet archive data, Windows 2000/XP setup, 66791 bytes, 1 file, at 0x2c +A "authroot.stl", number 1, 6 datablocks, 0x1 compression |
| MD5: | AC05D27423A85ADC1622C714F2CB6184 |
| SHA1: | B0FE2B1ABDDB97837EA0195BE70AB2FF14D43198 |
| SHA256: | C6456E12E5E53287A547AF4103E0397CB9697E466CF75844312DC296D43D144D |
| SSDEEP: | 1536:ca+erFWghI9kcKMAR1JuLvs6NXVEeR6Co+AR42gdi:caJFWgh0nKMWmNNXOe5o1R429 |
MALICIOUS
No malicious indicators.SUSPICIOUS
Reads settings of System Certificates
- rundll32.exe (PID: 3808)
- rundll32.exe (PID: 3596)
- rundll32.exe (PID: 2736)
Uses RUNDLL32.EXE to load library
- WinRAR.exe (PID: 1632)
INFO
Reads security settings of Internet Explorer
- rundll32.exe (PID: 2736)
- rundll32.exe (PID: 3808)
- rundll32.exe (PID: 3596)
Manual execution by a user
- rundll32.exe (PID: 3596)
- explorer.exe (PID: 3244)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .cab | | | Microsoft Cabinet Archive (100) |
|---|
Total processes
41
Monitored processes
5
Malicious processes
4
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1632 | "C:\Program Files\WinRAR\WinRAR.exe" "C:\Users\admin\AppData\Local\Temp\ctldl.windowsupdate.com.cab" | C:\Program Files\WinRAR\WinRAR.exe | — | explorer.exe | |||||||||||
User: admin Company: Alexander Roshal Integrity Level: MEDIUM Description: WinRAR archiver Exit code: 0 Version: 5.91.0 Modules
| |||||||||||||||
| 2736 | "C:\Windows\system32\rundll32.exe" cryptext.dll,CryptExtOpenCTL C:\Users\admin\AppData\Local\Temp\Rar$DIa1632.18992\authroot.stl | C:\Windows\System32\rundll32.exe | — | WinRAR.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows host process (Rundll32) Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 3244 | "C:\Windows\explorer.exe" | C:\Windows\explorer.exe | — | explorer.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Explorer Exit code: 1 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 3596 | "C:\Windows\system32\rundll32.exe" cryptext.dll,CryptExtOpenCTL C:\Users\admin\Documents\authroot.stl | C:\Windows\System32\rundll32.exe | — | explorer.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows host process (Rundll32) Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 3808 | "C:\Windows\system32\rundll32.exe" cryptext.dll,CryptExtOpenCTL C:\Users\admin\AppData\Local\Temp\Rar$DIa1632.20298\authroot.stl | C:\Windows\System32\rundll32.exe | — | WinRAR.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
| |||||||||||||||
Total events
9 635
Read events
9 551
Write events
75
Delete events
9
Modification events
| (PID) Process: | (1632) WinRAR.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\182\52C64B7E |
| Operation: | write | Name: | LanguageList |
Value: en-US | |||
| (PID) Process: | (1632) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\ArcHistory |
| Operation: | write | Name: | 3 |
Value: C:\Users\admin\Desktop\virtio_ivshmem_master_build.zip | |||
| (PID) Process: | (1632) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\ArcHistory |
| Operation: | write | Name: | 2 |
Value: C:\Users\admin\Desktop\phacker.zip | |||
| (PID) Process: | (1632) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\ArcHistory |
| Operation: | write | Name: | 1 |
Value: C:\Users\admin\Desktop\Win7-KB3191566-x86.zip | |||
| (PID) Process: | (1632) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\ArcHistory |
| Operation: | write | Name: | 0 |
Value: C:\Users\admin\Desktop\curl-8.5.0_1-win32-mingw.zip | |||
| (PID) Process: | (1632) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths |
| Operation: | write | Name: | name |
Value: 120 | |||
| (PID) Process: | (1632) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths |
| Operation: | write | Name: | size |
Value: 80 | |||
| (PID) Process: | (1632) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths |
| Operation: | write | Name: | type |
Value: 120 | |||
| (PID) Process: | (1632) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths |
| Operation: | write | Name: | mtime |
Value: 100 | |||
| (PID) Process: | (2736) rundll32.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\182\52C64B7E |
| Operation: | write | Name: | LanguageList |
Value: en-US | |||
Executable files
0
Suspicious files
4
Text files
0
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 1632 | WinRAR.exe | C:\Users\admin\AppData\Local\Temp\ctldl.windowsupdate.com\authroot.stl | binary | |
MD5:9C0C641C06238516F27941AA1166D427 | SHA256:4276AF3669A141A59388BC56A87F6614D9A9BDDDF560636C264219A7EB11256F | |||
| 1632 | WinRAR.exe | C:\Users\admin\AppData\Local\Temp\Rar$DIa1632.20298\authroot.stl | binary | |
MD5:9C0C641C06238516F27941AA1166D427 | SHA256:4276AF3669A141A59388BC56A87F6614D9A9BDDDF560636C264219A7EB11256F | |||
| 1632 | WinRAR.exe | C:\Users\admin\Documents\authroot.stl | cat | |
MD5:9C0C641C06238516F27941AA1166D427 | SHA256:4276AF3669A141A59388BC56A87F6614D9A9BDDDF560636C264219A7EB11256F | |||
| 1632 | WinRAR.exe | C:\Users\admin\AppData\Local\Temp\Rar$DIa1632.18992\authroot.stl | binary | |
MD5:9C0C641C06238516F27941AA1166D427 | SHA256:4276AF3669A141A59388BC56A87F6614D9A9BDDDF560636C264219A7EB11256F | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
4
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 | 192.168.100.255:138 | — | — | — | whitelisted |
4 | System | 192.168.100.255:137 | — | — | — | whitelisted |
1080 | svchost.exe | 224.0.0.252:5355 | — | — | — | unknown |