MALICIOUS — virussign.com_9be644a06ce1568d245363fe5f742aa0.vir

MALICIOUS — virussign.com_9be644a06ce1568d245363fe5f742aa0.vir is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (98/100), attributed to the Refinka family. 8 of 52 detection engines flagged it, exhibiting 3 ATT&CK techniques.

Identification

• SHA-256: a158010926ce34f0ec8c7fe7cb85c2983427fd0dba7f1f62670d5ac3254da495
• SHA-1: a0027d88fd60cf20220e7576f11fc3d20f67557e
• MD5: 9be644a06ce1568d245363fe5f742aa0
• imphash: 0702b5d4dac84de058d6c901eb507488
• ssdeep: 24576:NqylFH50Dv6RwyeQvt6ot0h9HyrOgiruAMnnAh9:AylFHUv6ReIt0jSrOR
• TLSH: T144558E3229536201F0F6E6A8984F5E9C40736C481A761FCB9E43D0DC3E9BC97E56349A
• Submitted as: virussign.com_9be644a06ce1568d245363fe5f742aa0.vir
• File type: pe · Size: 1262710 bytes
• Verdict: malicious (98/100) · Family: Refinka

Source: VirusSign · first seen 2026-08-13T00:00:00.000Z · SHA-256 verified

Detections (8 of 52 engines)

• YARA: MalwareAnalyser built-in: Windows_Injection_Api_Combo
• capa (capabilities): capability:collection/keylog
• ClamAV (daily): Win.Malware.Refinka-7008945-0
• YARA: JPCERT/CC: JPCERT_Emotet
• YARA: MalwareAnalyser community pack: TL_Shellcode_VirtualAlloc_Exec
• Microsoft Defender: BrowserModifier:Win32/Diplugem!pz
• Emsisoft (Emergency Kit): Trojan.Agent.DPHE
• Kaspersky (KVRT): HEUR:Trojan.Win32.Agent.gen

MITRE ATT&CK

• T1055
• T1057
• T1056.001

YARA

• Windows_Injection_Api_Combo

Why this verdict

The malicious score of 98/100 is the fusion of 8 weighted signals:

• ClamAV (daily) flagged Win.Malware.Refinka-7008945-0 (rule Win.Malware.Refinka-7008945-0) - 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
• capture keystrokes (rule capture keystrokes) - capa signal, weight 0.40, confidence 0.80
• YARA: JPCERT/CC flagged JPCERT_Emotet (rule JPCERT_Emotet) - engine signal, weight 0.35, confidence 0.70
• YARA: MalwareAnalyser community pack flagged TL_Shellcode_VirtualAlloc_Exec (rule TL_Shellcode_VirtualAlloc_Exec) - engine signal, weight 0.35, confidence 0.70
• Embedded network infrastructure: 180.101.75.58 - static signal, weight 0.35, confidence 0.60
• enumerate processes (rule enumerate processes) - capa signal, weight 0.20, confidence 0.60
• inject code into another process (rule inject code into another process) - capa signal, weight 0.12, 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://schemas.microsoft.com/SMI/2005/WindowsSettings
• https://go.microsoft.com/fwlink/?LinkId=834783
• https://go.microsoft.com/fwlink/p/?linkid=838060

Embedded domains

• www.ezdun.com
• schemas.microsoft.com
• go.microsoft.com

Embedded IP addresses

• 180.101.75.58

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report