MALICIOUS — virussign.com_81aa4c47e23d98051dcc5abbcb04af50.vir

MALICIOUS — virussign.com_81aa4c47e23d98051dcc5abbcb04af50.vir is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (93/100), attributed to the Socks family. 7 of 55 detection engines flagged it.

Identification

• SHA-256: 221bbd4131d1c3081c1abbf101c393408feff3ba133dd0b588acb6eebf7d586c
• SHA-1: 1add6e62c480a45afb005a14d05f9be798ff6d36
• MD5: 81aa4c47e23d98051dcc5abbcb04af50
• imphash: 178689c38c1294cbf87aafcafb2357ed
• ssdeep: 6144:ACZlWG0GN7xOz2x23dNs4U1JOh76ig739UF4iFCXJksLU36jg0Fatxy:ACCs5xOKx2Nht6igCFmXKsLU30Fatxy
• TLSH: T14D4D238145A2B6ECDF30AE256180C99F5739C64CB4C07F22D2A5A0719FAD46B2513E3F
• Submitted as: virussign.com_81aa4c47e23d98051dcc5abbcb04af50.vir
• File type: pe · Size: 581378 bytes
• Verdict: malicious (93/100) · Family: Socks

Source: VirusSign · first seen 2026-08-16T00:00:00.000Z · SHA-256 verified

Detections (7 of 55 engines)

• MalwareAnalyser heuristics (entropy/packer): UPX
• ClamAV (daily): Win.Worm.Socks-10058896-0
• 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.557
• Kaspersky (KVRT): HEUR:Trojan.Win32.Generic

Why this verdict

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

• ClamAV (daily) flagged Win.Worm.Socks-10058896-0 (rule Win.Worm.Socks-10058896-0) - 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.

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report