MALICIOUS — virussign.com_f7d4cf44cfd91dbe6c98784e78b09990.vir
MALICIOUS — virussign.com_f7d4cf44cfd91dbe6c98784e78b09990.vir is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (91/100), attributed to the Berbew family. 4 of 52 detection engines flagged it, exhibiting 1 ATT&CK technique.
Identification
- SHA-256:
1f84d9e336fd353912b07d1f8877577d16b22500e482b135c7a87337772f06a4 - SHA-1:
a07af829c4a51bc2ab0b17819f750307f94e7c12 - MD5:
f7d4cf44cfd91dbe6c98784e78b09990 - imphash:
0ed11c14a2759c69bfa93dd64e1f1654 - ssdeep:
48:6EQt5YVOSVVEPy+wEMmqiHNpU10uB+BDq9J5SV3DY:CSVVEPozmB78B+FqX5S1D - TLSH:
T16F1E6192613345ACD27BC180FC939F1C6A72B452E2A9240CD90E6117D2CE53781A9AFB - Submitted as: virussign.com_f7d4cf44cfd91dbe6c98784e78b09990.vir
- File type: pe · Size: 6657 bytes
- Verdict: malicious (91/100) · Family: Berbew
Source: VirusSign · first seen 2026-07-31T00:00:00.000Z · SHA-256 verified
Detections (4 of 52 engines)
- ClamAV (daily): Win.Trojan.Berbew-9845290-1
- Kaspersky (KVRT): Backdoor.Win32.Padodor.gen
- Microsoft Defender: Backdoor:Win32/Berbew
- Emsisoft (Emergency Kit): Trojan.Qukart.1
MITRE ATT&CK
Why this verdict
The malicious score of 91/100 is the fusion of 3 weighted signals:
- ClamAV (daily) flagged Win.Trojan.Berbew-9845290-1 (rule
Win.Trojan.Berbew-9845290-1) - engine signal, weight 0.90, confidence 0.95 - Contacted 39 external host(s) at runtime (22 HTTP) - network signal, weight 0.40, confidence 0.80
- Observed at runtime: Modify Registry (T1112) (rule
Modify Registry) - dynamic signal, weight 0.12, confidence 0.90
Dynamic analysis (windows)
100 behavior events · 1 ATT&CK techniques · 0 dropped files.
Runtime network
- www.msftconnecttest.com
- rb.symcd.com
- rb.symcb.com
- inference.location.live.net
- to-do.office.com
- staging.to-do.officeppe.com
- teams.cloud.microsoft
- outlook.office.com
- outlook.office365.com
- outlook.cloud.microsoft
- ctldl.windowsupdate.com
- login.live.com
- ocsp.digicert.com
- desktop-hsgcbep
- v20.events.data.microsoft.com
- settings-win.data.microsoft.com
- config.edge.skype.com
- windows.msn.com
- oneocsp.microsoft.com
- www.msn.com
Embedded URLs
- http://www.msftconnecttest.com/connecttest.txt
- http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
- http://rb.symcb.com/rb.crl
- http://203.26.79.13/filestreamingservice//files/2cbcf400-ac8d-4d86-9d69-c7f0dff56d2e/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/2cbcf400-ac8d-4d86-9d69-c7f0dff56d2e?P1=1787063154&P2=404&P3=2&P4=Fxk391GJmSlogxTB6Vqntq3SuMkv9dI7ISRzzIu6iYSjcQNejG2v%2fKJoKjveMlx%2fMqTwhZ6ngIGMIN48jbyY0w%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
Embedded IP addresses
- 4.150.223.101
- 52.123.252.195
- 85.210.196.11
- 4.230.171.124
- 20.165.94.63
- 135.233.95.135
- 52.230.60.54
- 51.104.15.252
- 20.42.72.131
- 135.232.92.34
- 20.236.44.162
- 52.123.128.14
- 203.26.79.13
- 52.123.252.204
- 149.154.167.99
- 149.154.165.137
- 135.233.45.223
- 52.148.114.188
- 52.110.12.40
- 72.153.5.132
- 52.110.12.47
More Berbew samples · Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report