MALICIOUS — virussign.com_3544be53f399e31a21abf4f74503d0e0.vir

MALICIOUS — virussign.com_3544be53f399e31a21abf4f74503d0e0.vir is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (96/100), attributed to the Kazy family. 6 of 52 detection engines flagged it, exhibiting 2 ATT&CK techniques.

Identification

• SHA-256: 5c31d2bd8c146799781c4462aea9285a571cb4c89c09c9bde206fd80bd12fc75
• SHA-1: 504d9d8e47042412213073d51005398bf5365301
• MD5: 3544be53f399e31a21abf4f74503d0e0
• imphash: bef229bd8a414afbbd1edba1aeb00206
• ssdeep: 384:f98xUHQyvMGJy4/q8zLeiaeroC1wO0GtnlejPS7gTSJYIIhoJZ+g:WwDMEBqopmC8GFlejPqESJHXZ+g
• TLSH: T1EC2F9DA9C728D268D1E2752630C24CDED59233ECC698E96F3980C7751CE0823BC75E99
• Submitted as: virussign.com_3544be53f399e31a21abf4f74503d0e0.vir
• File type: pe · Size: 32768 bytes
• Verdict: malicious (96/100) · Family: Kazy

Source: VirusSign · first seen 2026-08-14T00:00:00.000Z · SHA-256 verified

Detections (6 of 52 engines)

• YARA: MalwareAnalyser built-in: Windows_Injection_Api_Combo
• ClamAV (daily): Win.Trojan.Kazy-6838217-0
• YARA: MalwareAnalyser community pack: TL_Shellcode_VirtualAlloc_Exec
• Microsoft Defender: flagged
• Emsisoft (Emergency Kit): Gen:Variant.Downloader.849
• Kaspersky (KVRT): HEUR:Trojan.Win32.Miancha.gen

MITRE ATT&CK

• T1547.001
• T1055

YARA

• Windows_Injection_Api_Combo

Why this verdict

The malicious score of 96/100 is the fusion of 4 weighted signals:

• ClamAV (daily) flagged Win.Trojan.Kazy-6838217-0 (rule Win.Trojan.Kazy-6838217-0) - engine signal, weight 0.90, confidence 0.95
• Process injection API combination (rule Windows_Injection_Api_Combo) - yara signal, weight 0.65, confidence 0.90
• YARA: MalwareAnalyser community pack flagged TL_Shellcode_VirtualAlloc_Exec (rule TL_Shellcode_VirtualAlloc_Exec) - engine signal, weight 0.35, confidence 0.70
• persist via registry run key (rule persist via registry run key) - capa 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.

Registry keys

• HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run

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

Analyzed on MalwareAnalyzer by Cyble · Open interactive report