| File name: | 3382f1e8b4497600245423aa6c45361006509702eb34ce6f37c80acf88b9cc51.zip |
| Full analysis: | https://app.any.run/tasks/b949bdeb-2046-4b4b-b87b-6e634f1b39f0 |
| Verdict: | Malicious activity |
| Threats: | A backdoor is a type of cybersecurity threat that allows attackers to secretly compromise a system and conduct malicious activities, such as stealing data and modifying files. Backdoors can be difficult to detect, as they often use legitimate system applications to evade defense mechanisms. Threat actors often utilize special malware, such as PlugX, to establish backdoors on target devices. |
| Analysis date: | May 16, 2025, 07:52:23 |
| OS: | Windows 10 Professional (build: 19044, 64 bit) |
| Tags: | |
| Indicators: | |
| MIME: | application/zip |
| File info: | Zip archive data, at least v5.1 to extract, compression method=AES Encrypted |
| MD5: | 33137DF57970EC073D5B34FF66B5ABBB |
| SHA1: | 033C90CDE7B7A4B6AE7EB1262A4814F5CC293F31 |
| SHA256: | A8553AD684E0BD5E8910C04BE411CC1E39C188BD1D4FBCF1EB6A05F4744B6EDF |
| SSDEEP: | 1536:MQSnnVHcBu0dLDasznbyAnKRS9/GyGt2QmgmHY:M1nn5cBu0dLVznbyAKE9dGtiF4 |
MALICIOUS
Generic archive extractor
- WinRAR.exe (PID: 1276)
VALLEYRAT has been detected (YARA)
- ddd.exe (PID: 4724)
WINOS has been detected (YARA)
- ddd.exe (PID: 4724)
VALLEYRAT has been detected
- ddd.exe (PID: 4724)
Connects to the CnC server
- ddd.exe (PID: 4724)
SILVERFOX has been detected (SURICATA)
- ddd.exe (PID: 4724)
SUSPICIOUS
Connects to unusual port
- ddd.exe (PID: 4724)
There is functionality for taking screenshot (YARA)
- ddd.exe (PID: 4724)
Contacting a server suspected of hosting an CnC
- ddd.exe (PID: 4724)
INFO
Executable content was dropped or overwritten
- WinRAR.exe (PID: 1276)
Checks supported languages
- ddd.exe (PID: 4724)
Manual execution by a user
- ddd.exe (PID: 4724)
Reads product name
- ddd.exe (PID: 4724)
Reads the computer name
- ddd.exe (PID: 4724)
Reads the software policy settings
- slui.exe (PID: 6972)
- slui.exe (PID: 720)
Checks proxy server information
- slui.exe (PID: 6972)
Reads Environment values
- ddd.exe (PID: 4724)
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: | 51 |
|---|---|
| ZipBitFlag: | 0x0003 |
| ZipCompression: | Unknown (99) |
| ZipModifyDate: | 2025:05:16 07:51:36 |
| ZipCRC: | 0xe9625627 |
| ZipCompressedSize: | 58518 |
| ZipUncompressedSize: | 111104 |
| ZipFileName: | 3382f1e8b4497600245423aa6c45361006509702eb34ce6f37c80acf88b9cc51.exe |
Total processes
136
Monitored processes
5
Malicious processes
1
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 720 | "C:\WINDOWS\System32\SLUI.exe" RuleId=3482d82e-ca2c-4e1f-8864-da0267b484b2;Action=AutoActivate;AppId=55c92734-d682-4d71-983e-d6ec3f16059f;SkuId=4de7cb65-cdf1-4de9-8ae8-e3cce27b9f2c;NotificationInterval=1440;Trigger=TimerEvent | C:\Windows\System32\slui.exe | SppExtComObj.Exe | ||||||||||||
User: NETWORK SERVICE Company: Microsoft Corporation Integrity Level: SYSTEM Description: Windows Activation Client Exit code: 1 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 1276 | "C:\Program Files\WinRAR\WinRAR.exe" C:\Users\admin\AppData\Local\Temp\3382f1e8b4497600245423aa6c45361006509702eb34ce6f37c80acf88b9cc51.zip | 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
| |||||||||||||||
| 2320 | C:\WINDOWS\system32\SppExtComObj.exe -Embedding | C:\Windows\System32\SppExtComObj.Exe | — | svchost.exe | |||||||||||
User: NETWORK SERVICE Company: Microsoft Corporation Integrity Level: SYSTEM Description: KMS Connection Broker Exit code: 0 Version: 10.0.19041.3996 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 4724 | "C:\Users\admin\Desktop\ddd.exe" | C:\Users\admin\Desktop\ddd.exe | explorer.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Modules
| |||||||||||||||
| 6972 | C:\WINDOWS\System32\slui.exe -Embedding | C:\Windows\System32\slui.exe | svchost.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Activation Client Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
Total events
2 976
Read events
2 955
Write events
20
Delete events
1
Modification events
| (PID) Process: | (1276) WinRAR.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\WinRAR\ArcHistory |
| Operation: | write | Name: | 3 |
Value: C:\Users\admin\Desktop\preferences.zip | |||
| (PID) Process: | (1276) WinRAR.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\WinRAR\ArcHistory |
| Operation: | write | Name: | 2 |
Value: C:\Users\admin\Desktop\chromium_ext.zip | |||
| (PID) Process: | (1276) WinRAR.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\WinRAR\ArcHistory |
| Operation: | write | Name: | 1 |
Value: C:\Users\admin\Desktop\omni_23_10_2024_.zip | |||
| (PID) Process: | (1276) WinRAR.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\WinRAR\ArcHistory |
| Operation: | write | Name: | 0 |
Value: C:\Users\admin\AppData\Local\Temp\3382f1e8b4497600245423aa6c45361006509702eb34ce6f37c80acf88b9cc51.zip | |||
| (PID) Process: | (1276) WinRAR.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths |
| Operation: | write | Name: | name |
Value: 120 | |||
| (PID) Process: | (1276) WinRAR.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths |
| Operation: | write | Name: | size |
Value: 80 | |||
| (PID) Process: | (1276) WinRAR.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths |
| Operation: | write | Name: | type |
Value: 120 | |||
| (PID) Process: | (1276) WinRAR.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths |
| Operation: | write | Name: | mtime |
Value: 100 | |||
| (PID) Process: | (1276) WinRAR.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\WinRAR\Interface |
| Operation: | write | Name: | ShowPassword |
Value: 0 | |||
| (PID) Process: | (1276) WinRAR.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\ArcColumnWidths |
| Operation: | write | Name: | name |
Value: 256 | |||
Executable files
1
Suspicious files
0
Text files
0
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 1276 | WinRAR.exe | C:\Users\admin\AppData\Local\Temp\Rar$DRb1276.26196\3382f1e8b4497600245423aa6c45361006509702eb34ce6f37c80acf88b9cc51.exe | executable | |
MD5:9EE0E2F06217D37CBECE4C47F1C22895 | SHA256:3382F1E8B4497600245423AA6C45361006509702EB34CE6F37C80ACF88B9CC51 | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
5
TCP/UDP connections
25
DNS requests
18
Threats
31
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
5496 | MoUsoCoreWorker.exe | GET | 200 | 23.216.77.29:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | unknown | — | — | whitelisted |
6544 | svchost.exe | GET | 200 | 2.17.190.73:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D | unknown | — | — | whitelisted |
1672 | SIHClient.exe | GET | 200 | 2.23.246.101:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Product%20Root%20Certificate%20Authority%202018.crl | unknown | — | — | whitelisted |
5496 | MoUsoCoreWorker.exe | GET | 200 | 23.35.229.160:80 | http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl | unknown | — | — | whitelisted |
1672 | SIHClient.exe | GET | 200 | 2.23.246.101:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Update%20Secure%20Server%20CA%202.1.crl | unknown | — | — | whitelisted |
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
Connections
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
— | — | 4.231.128.59:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
4 | System | 192.168.100.255:137 | — | — | — | whitelisted |
5496 | MoUsoCoreWorker.exe | 23.216.77.29:80 | crl.microsoft.com | Akamai International B.V. | DE | whitelisted |
4 | System | 192.168.100.255:138 | — | — | — | whitelisted |
5496 | MoUsoCoreWorker.exe | 23.35.229.160:80 | www.microsoft.com | AKAMAI-AS | DE | whitelisted |
3216 | svchost.exe | 172.211.123.249:443 | client.wns.windows.com | MICROSOFT-CORP-MSN-AS-BLOCK | FR | whitelisted |
6544 | svchost.exe | 40.126.31.2:443 | login.live.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
6544 | svchost.exe | 2.17.190.73:80 | ocsp.digicert.com | AKAMAI-AS | DE | whitelisted |
2104 | svchost.exe | 40.127.240.158:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
4724 | ddd.exe | 23.249.28.126:8126 | — | ZEN-ECN | JP | malicious |
DNS requests
Domain | IP | Reputation |
|---|---|---|
google.com |
| whitelisted |
settings-win.data.microsoft.com |
| whitelisted |
crl.microsoft.com |
| whitelisted |
www.microsoft.com |
| whitelisted |
client.wns.windows.com |
| whitelisted |
login.live.com |
| whitelisted |
ocsp.digicert.com |
| whitelisted |
slscr.update.microsoft.com |
| whitelisted |
fe3cr.delivery.mp.microsoft.com |
| whitelisted |
activation-v2.sls.microsoft.com |
| whitelisted |
Threats
PID | Process | Class | Message |
|---|---|---|---|
4724 | ddd.exe | Malware Command and Control Activity Detected | ET MALWARE Winos4.0 Framework CnC Login Message |
4724 | ddd.exe | Malware Command and Control Activity Detected | BACKDOOR [ANY.RUN] SilverFox TCP Init Packet |
4724 | ddd.exe | Malware Command and Control Activity Detected | ET MALWARE Winos4.0 Framework CnC Login Message CnC Server Response |
4724 | ddd.exe | Malware Command and Control Activity Detected | BACKDOOR [ANY.RUN] SilverFox Encrypted Client Packet |
4724 | ddd.exe | Malware Command and Control Activity Detected | BACKDOOR [ANY.RUN] SilverFox Keep-Alive Client Packet |
4724 | ddd.exe | Malware Command and Control Activity Detected | BACKDOOR [ANY.RUN] SilverFox Keep-Alive Client Packet |
4724 | ddd.exe | Malware Command and Control Activity Detected | BACKDOOR [ANY.RUN] SilverFox Keep-Alive Client Packet |
4724 | ddd.exe | Malware Command and Control Activity Detected | BACKDOOR [ANY.RUN] SilverFox Keep-Alive Client Packet |
4724 | ddd.exe | Malware Command and Control Activity Detected | ET MALWARE Winos4.0 Framework CnC Login Message |
4724 | ddd.exe | Malware Command and Control Activity Detected | BACKDOOR [ANY.RUN] SilverFox Keep-Alive Client Packet |