MALICIOUS — virussign.com_7477964295d47d9a238a3afdbc1904f0.vir

MALICIOUS — virussign.com_7477964295d47d9a238a3afdbc1904f0.vir is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (98/100), attributed to the Azvo family. 7 of 52 detection engines flagged it, exhibiting 3 ATT&CK techniques.

Identification

• SHA-256: befe7c3e9f9c73a55b541ad62ef2793a7dfb4e038dd76b59730901e5dc212d62
• SHA-1: a430c2a845a45cfeb85de42a5a050c1b4d53503a
• MD5: 7477964295d47d9a238a3afdbc1904f0
• imphash: 9cc93a9866656e8ea2d841ac0d16422a
• ssdeep: 6144:gUgHWhzr8SfxL/2Dc33C+U4tLsUL6mmt0fSoD78uLwsehNjRMt:4AwSfxL/2Dc3jDLLmt0LDQewsAjR0
• TLSH: T1D3496E446405E74AE672BA632D803D1C5072B49A2EBB20C99793CDAEF3F7C37605496C
• Submitted as: virussign.com_7477964295d47d9a238a3afdbc1904f0.vir
• File type: pe · Size: 419908 bytes
• Verdict: malicious (98/100) · Family: Azvo

Source: VirusSign · first seen 2026-08-03T00:00:00.000Z · SHA-256 verified

Detections (7 of 52 engines)

• YARA: MalwareAnalyser built-in: Windows_Injection_Api_Combo
• ClamAV (daily): Win.Ransomware.Azvo-9979243-0
• YARA: JPCERT/CC: JPCERT_Emotet
• YARA: MalwareAnalyser community pack: TL_Shellcode_VirtualAlloc_Exec
• YARA: Yara-Rules community: YR_AntiDebug_Checks
• Microsoft Defender: Backdoor:Win32/Lauri.A
• Kaspersky (KVRT): Virus.Win32.HLLP.Lauri.a

MITRE ATT&CK

• T1055
• T1547.001
• T1057

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.Ransomware.Azvo-9979243-0 (rule Win.Ransomware.Azvo-9979243-0) - 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: 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
• persist via registry run key (rule persist via registry run key) - capa 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://www.microsoft.com/pki/certs/MicrosoftTimeStampPCA.crt0
• http://www.microsoft.com/pki/certs/MicCodSigPCA_08-31-2010.crt0
• http://crl.microsoft.com/pki/crl/products/microsoftrootcert.crl0T
• http://www.microsoft.com/pki/certs/MicRooCerAut_2010-06-23.crt0
• http://www.microsoft.com/pki/certs/MicTimStaPCA_2010-07-01.crt0

Embedded domains

• crl.microsoft.com
• www.microsoft.com

File paths

• F:\LauriC\kol.pas
• C:\btvsts\3481\private\softgrid\shared\include\command_line_cleaner.hpp
• T:\:d:l:t:
• X:\:`:d:h:l:p:t:x:
• T:\:h:
• C:\Program

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

Analyzed on MalwareAnalyzer by Cyble · Open interactive report