MALICIOUS — virussign.com_5246b4b30dc3e52bd9c7331011902380.vir

MALICIOUS — virussign.com_5246b4b30dc3e52bd9c7331011902380.vir is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (92/100), attributed to the FuBu family. 5 of 51 detection engines flagged it.

Identification

• SHA-256: 40eff95022eadd8773356be3a5d39f41fa49fdd3dbb3219d258b2203f83eedd3
• SHA-1: dda343809cc7a178fb2ebc30de39dd46d51f1154
• MD5: 5246b4b30dc3e52bd9c7331011902380
• imphash: d41d8cd98f00b204e9800998ecf8427e
• ssdeep: 24576:xxal9vGhqF3KD28ss8e/KCtMZd0qgKWEfes8:xxgGhqFU288e/KCGZd0qgNEf18
• TLSH: T16C568D9640073211E1F5EE55E03ACADDC067F419A4744FCA9346E95F82A8E9FBBE00B4
• Submitted as: virussign.com_5246b4b30dc3e52bd9c7331011902380.vir
• File type: pe · Size: 1356288 bytes
• Verdict: malicious (92/100) · Family: FuBu

Source: VirusSign · first seen 2026-08-02T00:00:00.000Z · SHA-256 verified

Detections (5 of 51 engines)

• ClamAV (daily): Win.Trojan.FuBu-1
• YARA: JPCERT/CC: JPCERT_HUILoader_PlugX_SideLoad
• YARA: Trellix/McAfee ATR: ATR_REvil_Sodinokibi
• Microsoft Defender: Trojan:Win32/Multiverze!rfn
• Kaspersky (KVRT): HEUR:Trojan.Win32.Kryptik.gen

Why this verdict

The malicious score of 92/100 is the fusion of 3 weighted signals:

• ClamAV (daily) flagged Win.Trojan.FuBu-1 (rule Win.Trojan.FuBu-1) - engine signal, weight 0.90, confidence 0.95
• YARA: JPCERT/CC flagged JPCERT_HUILoader_PlugX_SideLoad (rule JPCERT_HUILoader_PlugX_SideLoad) - engine signal, weight 0.35, confidence 0.70
• YARA: Trellix/McAfee ATR flagged ATR_REvil_Sodinokibi (rule ATR_REvil_Sodinokibi) - engine signal, weight 0.35, confidence 0.70

Dynamic analysis

No runtime behaviour was captured for this sample, so the analysis above is static only. That is a limit of this run rather than evidence the sample does nothing.

Embedded domains

• openssl.org
• github.com

File paths

• C:\Users\runneradmin\.cargo\registry\src\github.com-1ecc6299db9ec823\rustc-demangle-0.1.21\src\legacy.rs
• C:\Users\runneradmin\.cargo\registry\src\github.com-1ecc6299db9ec823\rustc-demangle-0.1.21\src\v0.rs
• C:\Users\runneradmin\.cargo\registry\src\github.com-1ecc6299db9ec823\rustc-demangle-0.1.21\src\lib.rs

More FuBu samples · Latest analyzed threats · ATT&CK coverage

Analyzed on MalwareAnalyzer by Cyble · Open interactive report