| File name: | Winlock Builder by lezgin.rar |
| Full analysis: | https://app.any.run/tasks/97cf04a6-6f71-4150-bee4-0d72e92949b5 |
| Verdict: | Malicious activity |
| Analysis date: | February 28, 2024, 02:55:20 |
| OS: | Windows 7 Professional Service Pack 1 (build: 7601, 32 bit) |
| Indicators: | |
| MIME: | application/x-rar |
| File info: | RAR archive data, v5 |
| MD5: | 21449053B7AF628F063EC340BD0492C9 |
| SHA1: | 71D868C89481E8C4556B22C5A240FEB391215D43 |
| SHA256: | 532872C22946FAAE3896A54EBE4D458268BA6CE5263E9BEC6902F0560C5FD506 |
| SSDEEP: | 24576:ZlONfVy22lCiaqO7M7HTW2DKOwM470MqSJqnIwjEpdUTk7v7C/l:ZlONfVyLlDa57M7H/DKOwM470MqSJqIK |
MALICIOUS
No malicious indicators.SUSPICIOUS
The process executes via Task Scheduler
- ctfmon.exe (PID: 2000)
- sipnotify.exe (PID: 2044)
Reads the Internet Settings
- sipnotify.exe (PID: 2044)
Reads settings of System Certificates
- sipnotify.exe (PID: 2044)
INFO
Drops the executable file immediately after the start
- WinRAR.exe (PID: 1384)
Executable content was dropped or overwritten
- WinRAR.exe (PID: 1384)
Manual execution by a user
- rundll32.exe (PID: 2752)
- IMEKLMG.EXE (PID: 2096)
- IMEKLMG.EXE (PID: 2084)
- Winlock Builder by lezgin.exe (PID: 2372)
- wmpnscfg.exe (PID: 2420)
- wmpnscfg.exe (PID: 2440)
Checks transactions between databases Windows and Oracle
- rundll32.exe (PID: 2752)
Reads security settings of Internet Explorer
- sipnotify.exe (PID: 2044)
Reads the software policy settings
- sipnotify.exe (PID: 2044)
Checks supported languages
- IMEKLMG.EXE (PID: 2084)
- IMEKLMG.EXE (PID: 2096)
- Winlock Builder by lezgin.exe (PID: 2372)
- wmpnscfg.exe (PID: 2420)
- wmpnscfg.exe (PID: 2440)
Process checks whether UAC notifications are on
- IMEKLMG.EXE (PID: 2084)
- IMEKLMG.EXE (PID: 2096)
Reads the computer name
- IMEKLMG.EXE (PID: 2084)
- IMEKLMG.EXE (PID: 2096)
- wmpnscfg.exe (PID: 2420)
- wmpnscfg.exe (PID: 2440)
- Winlock Builder by lezgin.exe (PID: 2372)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .rar | | | RAR compressed archive (v5.0) (61.5) |
|---|---|---|
| .rar | | | RAR compressed archive (gen) (38.4) |
Total processes
88
Monitored processes
10
Malicious processes
1
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1384 | "C:\Program Files\WinRAR\WinRAR.exe" "C:\Users\admin\Desktop\Winlock Builder by lezgin.rar" | C:\Program Files\WinRAR\WinRAR.exe | explorer.exe | ||||||||||||
User: admin Company: Alexander Roshal Integrity Level: MEDIUM Description: WinRAR archiver Exit code: 1073807364 Version: 5.91.0 Modules
| |||||||||||||||
| 2000 | C:\Windows\System32\ctfmon.exe | C:\Windows\System32\ctfmon.exe | — | taskeng.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: CTF Loader Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 2044 | C:\Windows\system32\sipnotify.exe -LogonOrUnlock | C:\Windows\System32\sipnotify.exe | taskeng.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: sipnotify Exit code: 0 Version: 6.1.7602.20480 (win7sp1_ldr_escrow.191010-1716) Modules
| |||||||||||||||
| 2084 | "C:\Program Files\Common Files\microsoft shared\IME14\SHARED\IMEKLMG.EXE" /SetPreload /JPN /Log | C:\Program Files\Common Files\microsoft shared\IME14\SHARED\IMEKLMG.EXE | — | explorer.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Microsoft Office IME 2010 Exit code: 1 Version: 14.0.4734.1000 Modules
| |||||||||||||||
| 2096 | "C:\Program Files\Common Files\microsoft shared\IME14\SHARED\IMEKLMG.EXE" /SetPreload /KOR /Log | C:\Program Files\Common Files\microsoft shared\IME14\SHARED\IMEKLMG.EXE | — | explorer.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Microsoft Office IME 2010 Exit code: 1 Version: 14.0.4734.1000 Modules
| |||||||||||||||
| 2372 | "C:\Users\admin\Desktop\Winlock Builder\Winlock Builder by lezgin.exe" | C:\Users\admin\Desktop\Winlock Builder\Winlock Builder by lezgin.exe | — | explorer.exe | |||||||||||
User: admin Integrity Level: MEDIUM Exit code: 0 Modules
| |||||||||||||||
| 2420 | "C:\Program Files\Windows Media Player\wmpnscfg.exe" | C:\Program Files\Windows Media Player\wmpnscfg.exe | — | explorer.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Media Player Network Sharing Service Configuration Application Exit code: 0 Version: 12.0.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 2440 | "C:\Program Files\Windows Media Player\wmpnscfg.exe" | C:\Program Files\Windows Media Player\wmpnscfg.exe | — | explorer.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Media Player Network Sharing Service Configuration Application Exit code: 0 Version: 12.0.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 2752 | "C:\Windows\system32\rundll32.exe" shell32.dll,Control_RunDLL intl.cpl | C:\Windows\System32\rundll32.exe | — | explorer.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows host process (Rundll32) Exit code: 1073807364 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 3500 | C:\Windows\system32\DllHost.exe /Processid:{514B5E31-5596-422F-BE58-D804464683B5} | C:\Windows\System32\dllhost.exe | — | svchost.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: COM Surrogate Exit code: 1073807364 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
Total events
10 286
Read events
9 453
Write events
660
Delete events
173
Modification events
| (PID) Process: | (1384) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\Interface\Themes |
| Operation: | write | Name: | ShellExtBMP |
Value: | |||
| (PID) Process: | (1384) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\Interface\Themes |
| Operation: | write | Name: | ShellExtIcon |
Value: | |||
| (PID) Process: | (1384) WinRAR.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\182\52C64B7E |
| Operation: | write | Name: | LanguageList |
Value: en-US | |||
| (PID) Process: | (1384) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\Interface |
| Operation: | write | Name: | ShowPassword |
Value: 0 | |||
| (PID) Process: | (1384) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\ArcHistory |
| Operation: | write | Name: | 3 |
Value: C:\Users\admin\Desktop\phacker.zip | |||
| (PID) Process: | (1384) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\ArcHistory |
| Operation: | write | Name: | 2 |
Value: C:\Users\admin\Desktop\Win7-KB3191566-x86.zip | |||
| (PID) Process: | (1384) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\ArcHistory |
| Operation: | write | Name: | 1 |
Value: C:\Users\admin\Desktop\curl-8.5.0_1-win32-mingw.zip | |||
| (PID) Process: | (1384) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\ArcHistory |
| Operation: | write | Name: | 0 |
Value: C:\Users\admin\Desktop\Winlock Builder by lezgin.rar | |||
| (PID) Process: | (1384) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths |
| Operation: | write | Name: | name |
Value: 120 | |||
| (PID) Process: | (1384) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths |
| Operation: | write | Name: | size |
Value: 80 | |||
Executable files
1
Suspicious files
0
Text files
6
Unknown types
1
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 2044 | sipnotify.exe | C:\Users\admin\AppData\Local\microsoft\windows\SipNotify\eoscontent\script.js | text | |
MD5:A2682382967C351F7ED21762F9E5DE9E | SHA256:36B1D26F1EC69685648C0528C2FCE95A3C2DBECF828CDFA4A8B4239A15B644A2 | |||
| 1384 | WinRAR.exe | C:\Users\admin\AppData\Local\Temp\Rar$DRb1384.41653\Winlock Builder\Winlock Builder by lezgin.exe | executable | |
MD5:4495453984F4C60A1D6A309CAFF43E25 | SHA256:A4887F2571656DEB311D41E5436244C4C19DCE11277AC1A71E1FCB0A418E567D | |||
| 2044 | sipnotify.exe | C:\Users\admin\AppData\Local\microsoft\windows\SipNotify\eoscontent\metadata.json | binary | |
MD5:E8A970BA6CE386EED9A5E724F26212A6 | SHA256:7E06107D585D8FC7870998F3856DCC3E35800AA97E4406AAB83BC8444B6CBDE3 | |||
| 2044 | sipnotify.exe | C:\Users\admin\AppData\Local\microsoft\windows\SipNotify\eoscontent\en-us.html | html | |
MD5:9752942B57692148B9F614CF4C119A36 | SHA256:E31B834DD53FA6815F396FC09C726636ABF98F3367F0CF1590EF5EB3801C75D1 | |||
| 2044 | sipnotify.exe | C:\Users\admin\AppData\Local\microsoft\windows\SipNotify\eoscontent\styles.css | text | |
MD5:3383EEF350240253D7C2C2564381B3CB | SHA256:85443493D86D6D7FB0E07BC9705DFC9C858086FBA1B0E508092AB328D5F145E8 | |||
| 2044 | sipnotify.exe | C:\Users\admin\AppData\Local\microsoft\windows\SipNotify\eoscontent\main.jpg | image | |
MD5:B342ACE63F77961249A084C61EABC884 | SHA256:E5067BBA2095B5DA7C3171EC116E9A92337E24E471339B0860A160076EFE49B9 | |||
| 3500 | dllhost.exe | C:\Windows\INF\setupapi.app.log | ini | |
MD5:FE795D552C83CBBD967063A425F2EE39 | SHA256:533129F8D9AAE7C2EB00E811D1598F45ECED515964637D1D84559CAA203523EB | |||
| 2044 | sipnotify.exe | C:\Users\admin\AppData\Local\microsoft\windows\SipNotify\eoscontent\microsoft-logo.png | image | |
MD5:B7C73A0CFBA68CC70C35EF9C63703CE4 | SHA256:1D8B27A0266FF526CF95447F3701592A908848467D37C09A00A2516C1F29A013 | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
1
TCP/UDP connections
13
DNS requests
1
Threats
0
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
2044 | sipnotify.exe | HEAD | 200 | 23.197.138.118:80 | http://query.prod.cms.rt.microsoft.com/cms/api/am/binary/RE2JgkA?v=133535625699210000 | unknown | — | — | unknown |
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 | — | — | — | whitelisted |
1080 | svchost.exe | 224.0.0.252:5355 | — | — | — | unknown |
— | — | 224.0.0.252:5355 | — | — | — | unknown |
1452 | svchost.exe | 239.255.255.250:3702 | — | — | — | unknown |
1116 | svchost.exe | 224.0.0.252:5355 | — | — | — | unknown |
2044 | sipnotify.exe | 23.197.138.118:80 | query.prod.cms.rt.microsoft.com | Akamai International B.V. | US | unknown |
DNS requests
Domain | IP | Reputation |
|---|---|---|
query.prod.cms.rt.microsoft.com |
| whitelisted |