MALICIOUS — virussign.com_fb04a60a4b75003b8566e5d296aa6800.vir

MALICIOUS — virussign.com_fb04a60a4b75003b8566e5d296aa6800.vir is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (91/100), attributed to the Swisyn family. 3 of 52 detection engines flagged it.

Identification

• SHA-256: acbc0d6710b1d4e3f35eb2337487263e9f5f03ef142205be34a32898bc75aa96
• SHA-1: 3329a8a5d68fb27f7f9cc2fca4c50cb3061e5565
• MD5: fb04a60a4b75003b8566e5d296aa6800
• imphash: 09d15f852612b78ab3da4cf59387d361
• ssdeep: 3072:HR9aDOMkY6ZXHk2m/YZhGeou+2/JjKCDlA7G8ixTIopzqtEZLExRvKB:H7auZXRm/YbBo/2/J+COaFz6b4
• TLSH: T182619D9A7604B21AF7F1F990184E8F5D50B3E49521BE1FC8DEC2C12E22D684BE4511AB
• Submitted as: virussign.com_fb04a60a4b75003b8566e5d296aa6800.vir
• File type: pe · Size: 4101188 bytes
• Verdict: malicious (91/100) · Family: Swisyn

Source: VirusSign · first seen 2026-08-07T00:00:00.000Z · SHA-256 verified

Detections (3 of 52 engines)

• ClamAV (daily): Win.Malware.Swisyn-6888356-0
• YARA: JPCERT/CC: JPCERT_HUILoader_PlugX_SideLoad
• Microsoft Defender: Trojan:Win32/RootkitRevealer.SL!MTB

Why this verdict

The malicious score of 91/100 is the fusion of 3 weighted signals:

• ClamAV (daily) flagged Win.Malware.Swisyn-6888356-0 (rule Win.Malware.Swisyn-6888356-0) - 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
• Embedded network infrastructure: http://www.sysinternals.com - static signal, weight 0.35, confidence 0.60

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 URLs

• http://www.sysinternals.com

Embedded domains

• www.sysinternals.com
• sysinternals.com

File paths

• X:\:h:t:

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report