MALICIOUS — virussign.com_f9a3c90e65eb531e7be21988ad23cee0.vir

MALICIOUS — virussign.com_f9a3c90e65eb531e7be21988ad23cee0.vir is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (93/100), attributed to the HUILoader family. 7 of 52 detection engines flagged it.

Identification

• SHA-256: 13a52ec3031bdf7c1703b3bfbd23623975cdcc4484b0bb2f2692206ee0970e2b
• SHA-1: 8fb6dc3447773daa08747a7c253aa3f32f08ef8a
• MD5: f9a3c90e65eb531e7be21988ad23cee0
• imphash: 178689c38c1294cbf87aafcafb2357ed
• ssdeep: 24576:XJujSgOZL7nY/F8mPl8JFFZW01WwZ7kYyP9ONfcrDMRDSSX0/s67jglc:ZujM3nY2Eul801WwdkYyP0NfcrDMN9eZ
• TLSH: T1B15533D306264ECCCF4828AD30DA698C7E9911B8162957345B7B66DE8043347B763EEC
• Submitted as: virussign.com_f9a3c90e65eb531e7be21988ad23cee0.vir
• File type: pe · Size: 1331846 bytes
• Verdict: malicious (93/100) · Family: HUILoader

Source: VirusSign · first seen 2026-08-11T00:00:00.000Z · SHA-256 verified

Detections (7 of 52 engines)

• MalwareAnalyser heuristics (entropy/packer): UPX
• ClamAV (daily): Win.Malware.Genpack-10015161-0
• YARA: JPCERT/CC: JPCERT_HUILoader_PlugX_SideLoad
• Detect It Easy (packer/type): DIE:Microsoft Linker
• Microsoft Defender: Worm:Win32/Autorun
• Emsisoft (Emergency Kit): Trojan.Stealer.556
• Kaspersky (KVRT): HEUR:Backdoor.Win32.IRCBot.gen

Why this verdict

The malicious score of 93/100 is the fusion of 4 weighted signals:

• ClamAV (daily) flagged Win.Malware.Genpack-10015161-0 (rule Win.Malware.Genpack-10015161-0) - 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
• Detect It Easy (packer/type) flagged DIE:Microsoft Linker (rule DIE:Microsoft Linker) - engine signal, weight 0.35, confidence 0.70
• Packing/obfuscation: UPX, Microsoft Linker - static signal, weight 0.25, confidence 0.55

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

• j.it
• a.mx

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report