MALICIOUS — virussign.com_d66a5097192b35d905337362c11d3300.vir

MALICIOUS — virussign.com_d66a5097192b35d905337362c11d3300.vir is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (99/100), attributed to the Kazy family. 6 of 52 detection engines flagged it, exhibiting 2 ATT&CK techniques.

Identification

• SHA-256: 5c415506756e173aa272d6ef2c7aec3a23f0e0a1fab2b1fc1e857e65a03a7b9d
• SHA-1: 68d9ae478c6f37644bc3adff8fbc333f5e5ee094
• MD5: d66a5097192b35d905337362c11d3300
• imphash: bef229bd8a414afbbd1edba1aeb00206
• ssdeep: 384:Q98xUHQhHVy4Ng8zLei4er05uFLKSi0HRcaE0L3rtHEgwGK5g:TwI1/gop05IGS/R3tL5dK5g
• TLSH: T1D92F9D99C724A71EE2A3A00635838C8FF1B177FE9415D52B29A4C7349CE48637C31AD5
• Submitted as: virussign.com_d66a5097192b35d905337362c11d3300.vir
• File type: pe · Size: 32768 bytes
• Verdict: malicious (99/100) · Family: Kazy

Source: VirusSign · first seen 2026-08-10T00:00:00.000Z · 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: Trojan:Win32/Injector.ARA!MTB
• 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 99/100 is the fusion of 6 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
• Microsoft Defender flagged Trojan:Win32/Injector.ARA!MTB (rule Trojan:Win32/Injector.ARA!MTB) - engine signal, weight 0.55, confidence 0.85
• Emsisoft (Emergency Kit) flagged Gen:Variant.Downloader.849 (rule Gen:Variant.Downloader.849) - engine signal, weight 0.55, confidence 0.85
• 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