MALICIOUS — virussign.com_e8201e5412b700cd58a26efc1e728310.vir

MALICIOUS — virussign.com_e8201e5412b700cd58a26efc1e728310.vir is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (99/100), attributed to the Refinka family. 9 of 52 detection engines flagged it, exhibiting 3 ATT&CK techniques.

Identification

• SHA-256: ddf4f6244d877292636fbc14b564cb9183019e3adf7b6d157dbb543e0ec6c97f
• SHA-1: 39762551f3b22cea0d3fd3c11adf423674968191
• MD5: e8201e5412b700cd58a26efc1e728310
• imphash: 290503d18b0558bdb750833afd1e63f9
• ssdeep: 24576:1qylFH50Dv6RwyeQvt6ot0h9HyrOgiruAbm3nfK9vPXVNj:IylFHUv6ReIt0jSrO43CVrj
• TLSH: T1F05BF7CF10973708D5F2A449AC8996FC0973F5EB6371698C4A87E5280C9306BACD359B
• Submitted as: virussign.com_e8201e5412b700cd58a26efc1e728310.vir
• File type: pe · Size: 2230444 bytes
• Verdict: malicious (99/100) · Family: Refinka

Source: VirusSign · first seen 2026-08-10T00:00:00.000Z · SHA-256 verified

Detections (9 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
• YARA: Yara-Rules community: YR_AntiDebug_Checks
• Microsoft Defender: BrowserModifier:Win32/Diplugem!pz
• Emsisoft (Emergency Kit): Trojan.Generic
• Kaspersky (KVRT): HEUR:Trojan.Win32.Bingoml.gen

MITRE ATT&CK

• T1055
• T1057
• T1056.001

YARA

• Windows_Injection_Api_Combo

Why this verdict

The malicious score of 99/100 is the fusion of 9 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
• YARA: Yara-Rules community flagged YR_AntiDebug_Checks (rule YR_AntiDebug_Checks) - 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 domains

• www.ezdun.com
• mydomain.com
• company.com
• this.name
• label1.name

Embedded IP addresses

• 180.101.75.58

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report