MALICIOUS — virussign.com_b394867a02f670cd4bb01edb67300e70.vir
MALICIOUS — virussign.com_b394867a02f670cd4bb01edb67300e70.vir is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (91/100), attributed to the TrickBot family. 5 of 52 detection engines flagged it.
Identification
- SHA-256:
277b16cceb452db5a9b9ac830e178cccfebbd8a12198a7b6f0a8341029cd0fe4 - SHA-1:
76ab55c745be090252e7e5a8a3c9a4405110081c - MD5:
b394867a02f670cd4bb01edb67300e70 - imphash:
d41d8cd98f00b204e9800998ecf8427e - ssdeep:
49152:Hh0okBVCcHzhH+pOQUZ4Cx0uu/R8FpRFpAFp:43HgaKuu/klm - TLSH:
T114578E75205D1F3FE6E14989192CFC7DABC3E9812D9E2B146481D423A65ACFB402E63C - Submitted as: virussign.com_b394867a02f670cd4bb01edb67300e70.vir
- File type: pe · Size: 1611164 bytes
- Verdict: malicious (91/100) · Family: TrickBot
Source: VirusSign · first seen 2026-07-31T00:00:00.000Z · SHA-256 verified
Detections (5 of 52 engines)
- MalwareAnalyser heuristics (entropy/packer): high-entropy-sections:.text
- ClamAV (daily): Win.Dropper.TrickBot-10058465-0
- Microsoft Defender: Trojan:MSIL/AgentTesla.ABPF!MTB
- Emsisoft (Emergency Kit): Gen:Variant.Jalapeno.7413
- Kaspersky (KVRT): HEUR:Trojan.MSIL.Taskun.gen
Why this verdict
The malicious score of 91/100 is the fusion of 3 weighted signals:
- ClamAV (daily) flagged Win.Dropper.TrickBot-10058465-0 (rule
Win.Dropper.TrickBot-10058465-0) - engine signal, weight 0.90, confidence 0.95 - Contacted 33 external host(s) at runtime (22 HTTP) - network signal, weight 0.40, confidence 0.80
- Packing/obfuscation: high-entropy-sections:.text - static signal, weight 0.25, confidence 0.55
Dynamic analysis (windows)
0 behavior events · 0 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
- config.edge.skype.com
- windows.msn.com
- oneocsp.microsoft.com
- www.msn.com
- officeclient.microsoft.com
Embedded URLs
- http://schemas.microsoft.com/SMI/2005/WindowsSettings
- 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=1787088030&P2=404&P3=2&P4=G0RmtgpIZdaKqdBeNR2QB5aQiz5AaWW%2fcG%2botCBtZMXaf3yGrIPrg%2bV8t8%2fqPdYYdfEp%2br90etj3OQyRHARwCA%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
Embedded domains
- schemas.microsoft.com
Embedded IP addresses
- 4.150.223.115
- 57.155.101.212
- 4.230.171.124
- 4.144.132.114
- 135.233.95.144
- 203.26.79.13
- 20.165.94.54
- 52.178.17.234
- 74.178.240.61
- 20.236.44.162
- 52.123.128.14
- 4.150.223.99
- 52.148.114.188
- 72.153.5.131
- 52.110.12.55
- 52.110.12.37
- 135.233.95.80
File paths
- C:\Users\Public\Documents
- P:\:
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report