| File name: | EMP.zip |
| Full analysis: | https://app.any.run/tasks/173bd0ee-a6e5-4ee8-8a11-9b8dd9d5bcdf |
| Verdict: | Malicious activity |
| Analysis date: | June 23, 2024, 21:49:09 |
| OS: | Windows 7 Professional Service Pack 1 (build: 7601, 32 bit) |
| Indicators: | |
| MIME: | application/zip |
| File info: | Zip archive data, at least v2.0 to extract, compression method=deflate |
| MD5: | FAB985DDB330999E1D2AB4F7E4EEFB30 |
| SHA1: | EDD48CB9C5462310C0DDED0E7D9AB249A75033E8 |
| SHA256: | 0D8F17FAC8B8708753E9078FD4331536FF7227F6E586E9EF2060FBBFEEE6EBFD |
| SSDEEP: | 49152:a0W5lpk/+86BROgmvGnzCYDGyNYBZQmaAZy9e6H+XwA80HaZ5YS9ipDFBNr7zdiB:a0vm86P/mvqDGJZxaAi7HY80HaZzYbp+ |
MALICIOUS
Drops the executable file immediately after the start
- WinRAR.exe (PID: 3256)
SUSPICIOUS
Uses RUNDLL32.EXE to load library
- cmd.exe (PID: 3372)
INFO
Manual execution by a user
- cmd.exe (PID: 3372)
Executable content was dropped or overwritten
- WinRAR.exe (PID: 3256)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .zip | | | ZIP compressed archive (100) |
|---|
EXIF
ZIP
| ZipRequiredVersion: | 20 |
|---|---|
| ZipBitFlag: | - |
| ZipCompression: | Deflated |
| ZipModifyDate: | 2024:06:23 23:47:44 |
| ZipCRC: | 0x356bfbbf |
| ZipCompressedSize: | 1169923 |
| ZipUncompressedSize: | 2295592 |
| ZipFileName: | EMP.dll |
Total processes
50
Monitored processes
12
Malicious processes
1
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2100 | rundll32 C:\Users\admin\Desktop\EMP.dll | C:\Windows\System32\rundll32.exe | — | cmd.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
| |||||||||||||||
| 2864 | rundll32 C:\Users\admin\Desktop\EMP.dll,1 | C:\Windows\System32\rundll32.exe | — | cmd.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
| |||||||||||||||
| 2948 | rundll32 C:\Users\admin\Desktop\EMP.dll | C:\Windows\System32\rundll32.exe | — | cmd.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
| |||||||||||||||
| 2960 | rundll32 | C:\Windows\System32\rundll32.exe | — | cmd.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
| |||||||||||||||
| 3152 | rundll32 C:\Users\admin\Desktop\EMP.dll,#1 | C:\Windows\System32\rundll32.exe | — | cmd.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
| |||||||||||||||
| 3256 | "C:\Program Files\WinRAR\WinRAR.exe" C:\Users\admin\AppData\Local\Temp\EMP.zip | C:\Program Files\WinRAR\WinRAR.exe | explorer.exe | ||||||||||||
User: admin Company: Alexander Roshal Integrity Level: MEDIUM Description: WinRAR archiver Version: 5.91.0 Modules
| |||||||||||||||
| 3372 | "C:\Windows\system32\cmd.exe" | C:\Windows\System32\cmd.exe | — | explorer.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Command Processor Version: 6.1.7601.17514 (win7sp1_rtm.101119-1850) Modules
| |||||||||||||||
| 3476 | rundll32 C:\Users\admin\Desktop\EMP.dll,#3 | C:\Windows\System32\rundll32.exe | — | cmd.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
| |||||||||||||||
| 3556 | rundll32 C:\Users\admin\Desktop\EMP.dll,#5 | C:\Windows\System32\rundll32.exe | — | cmd.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
| |||||||||||||||
| 3672 | rundll32 C:\Users\admin\Desktop\EMP.dll,#4 | C:\Windows\System32\rundll32.exe | — | cmd.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
3 833
Read events
3 822
Write events
11
Delete events
0
Modification events
| (PID) Process: | (3256) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\Interface\Themes |
| Operation: | write | Name: | ShellExtBMP |
Value: | |||
| (PID) Process: | (3256) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\Interface\Themes |
| Operation: | write | Name: | ShellExtIcon |
Value: | |||
| (PID) Process: | (3256) WinRAR.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\182\52C64B7E |
| Operation: | write | Name: | LanguageList |
Value: en-US | |||
| (PID) Process: | (3256) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\ArcHistory |
| Operation: | write | Name: | 3 |
Value: C:\Users\admin\Desktop\phacker.zip | |||
| (PID) Process: | (3256) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\ArcHistory |
| Operation: | write | Name: | 2 |
Value: C:\Users\admin\Desktop\Win7-KB3191566-x86.zip | |||
| (PID) Process: | (3256) 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: | (3256) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\ArcHistory |
| Operation: | write | Name: | 0 |
Value: C:\Users\admin\AppData\Local\Temp\EMP.zip | |||
| (PID) Process: | (3256) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths |
| Operation: | write | Name: | name |
Value: 120 | |||
| (PID) Process: | (3256) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths |
| Operation: | write | Name: | size |
Value: 80 | |||
| (PID) Process: | (3256) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths |
| Operation: | write | Name: | type |
Value: 120 | |||
Executable files
1
Suspicious files
0
Text files
0
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 3256 | WinRAR.exe | C:\Users\admin\AppData\Local\Temp\Rar$DRa3256.17553\EMP.dll | executable | |
MD5:EAE8841B013DF0AC6CD916E042BB26A3 | SHA256:327C7BC7D0430DED2CCDC434CCD524EE9E51F60565939A412B1D5124FA91E383 | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
4
TCP/UDP connections
10
DNS requests
6
Threats
0
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
1372 | svchost.exe | GET | 304 | 2.23.154.144:80 | http://ctldl.windowsupdate.com/msdownload/update/v3/static/trustedr/en/disallowedcertstl.cab?33775f6043c93e33 | unknown | — | — | unknown |
1372 | svchost.exe | GET | 200 | 2.23.154.57:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | unknown | — | — | unknown |
1372 | svchost.exe | GET | 200 | 95.101.89.217:80 | http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl | unknown | — | — | unknown |
1060 | svchost.exe | GET | 304 | 2.23.154.144:80 | http://ctldl.windowsupdate.com/msdownload/update/v3/static/trustedr/en/disallowedcertstl.cab?fbe613066ac7852b | 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 |
1060 | svchost.exe | 224.0.0.252:5355 | — | — | — | unknown |
1372 | svchost.exe | 20.73.194.208:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
1372 | svchost.exe | 2.23.154.144:80 | ctldl.windowsupdate.com | Akamai International B.V. | AT | unknown |
1372 | svchost.exe | 2.23.154.57:80 | crl.microsoft.com | Akamai International B.V. | AT | unknown |
1372 | svchost.exe | 95.101.89.217:80 | www.microsoft.com | Akamai International B.V. | NL | unknown |
1060 | svchost.exe | 2.23.154.144:80 | ctldl.windowsupdate.com | Akamai International B.V. | AT | unknown |
DNS requests
Domain | IP | Reputation |
|---|---|---|
dns.msftncsi.com |
| shared |
settings-win.data.microsoft.com |
| whitelisted |
ctldl.windowsupdate.com |
| whitelisted |
crl.microsoft.com |
| whitelisted |
www.microsoft.com |
| whitelisted |