MALICIOUS — 0c8cf3b4a0a058f40fba6289876fc506f1cfb4d18736b79d833595a733fcd5c3

MALICIOUS — 0c8cf3b4a0a058f40fba6289876fc506f1cfb4d18736b79d833595a733fcd5c3 is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (91/100), attributed to the Bulz family. 3 of 52 detection engines flagged it.

Identification

• SHA-256: 0c8cf3b4a0a058f40fba6289876fc506f1cfb4d18736b79d833595a733fcd5c3
• SHA-1: 39c1af622cf49fb0a31c72fafb46802fa64ece36
• MD5: 437f63b51de23cc2f262b82d8a0bb4a4
• imphash: f34d5f2d4577ed6d9ceec516c1f5a744
• ssdeep: 12288:A7aQEwhT94R80N2Ymmt0LDXoNzVX86avEF8JMkKkz19Dt3KL9+aYFLq3ny7qAuD:dSORRwofXVav9MkdDt3YZ3y7qAuDzxW
• TLSH: T1CF59D88C532D5A41D1BEAA1178808A3C1A8BECA811B99C07C1C7FC7D9DFB5A35837179
• Submitted as: 0c8cf3b4a0a058f40fba6289876fc506f1cfb4d18736b79d833595a733fcd5c3
• File type: pe · Size: 1793668 bytes
• Verdict: malicious (91/100) · Family: Bulz

Detections (3 of 52 engines)

• ClamAV (daily): Win.Malware.Bulz-9859378-0
• YARA: Yara-Rules community: YR_AntiDebug_Checks
• Microsoft Defender: Trojan:Win32/Wacatac.B!ml

Why this verdict

The malicious score of 91/100 is the fusion of 3 weighted signals:

• ClamAV (daily) flagged Win.Malware.Bulz-9859378-0 (rule Win.Malware.Bulz-9859378-0) - engine signal, weight 0.90, confidence 0.95
• YARA: Yara-Rules community flagged YR_AntiDebug_Checks (rule YR_AntiDebug_Checks) - engine signal, weight 0.35, confidence 0.70
• Embedded network infrastructure: http://www.symauth.com/cps0, http://www.symauth.com/rpa04, http://www.symauth.com/cps09 - static 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.

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
• http://crl.thawte.com/ThawteTimestampingCA.crl0
• http://ts-aia.ws.symantec.com/tss-ca-g2.cer0
• http://ts-crl.ws.symantec.com/tss-ca-g2.crl0
• http://crl.verisign.com/pca3.crl0
• https://www.verisign.com/cps0
• http://logo.verisign.com/vslogo.gif04
• http://www.symauth.com/cps0
• http://www.symauth.com/rpa04
• http://crl.verisign.com/pca3-g5.crl0
• http://www.symauth.com/cps09
• http://evcs-crl.ws.symantec.com/evcs.crl0
• http://evcs-aia.ws.symantec.com/evcs.cer0
• http://office.microsoft.com/0

Embedded domains

• crl.microsoft.com
• www.microsoft.com
• crl.thawte.com
• ts-aia.ws.symantec.com
• ts-crl.ws.symantec.com
• crl.verisign.com
• www.verisign.com
• logo.verisign.com
• www.symauth.com
• evcs-crl.ws.symantec.com
• evcs-aia.ws.symantec.com
• office.microsoft.com

Embedded IP addresses

• 11.0.07.79

Registry keys

• HKEY_CURRENT_USER\Software\Adobe\Adobe
• HKEY_CURRENT_USER\Software\Adobe\Acrobat

File paths

• X:\:`:d:h:l:p:t:x:
• X:\:l:p:
• P:\:
• X:\:@=D=H=L=P=T=X=\=`=d=h=l=p=t=x=
• P:\Target\x86\ship\setupexe\x-none\liclua.pdb
• X:\:`:@=D=H=L=

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

Analyzed on MalwareAnalyzer by Cyble · Open interactive report