MALICIOUS — 8c8f2548338933f235fb266c7cb8fd5f75e6e8f6a84a75583c7866eb519b58eb

MALICIOUS — 8c8f2548338933f235fb266c7cb8fd5f75e6e8f6a84a75583c7866eb519b58eb is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (92/100), attributed to the Blackie family. 4 of 52 detection engines flagged it.

Identification

• SHA-256: 8c8f2548338933f235fb266c7cb8fd5f75e6e8f6a84a75583c7866eb519b58eb
• SHA-1: e90d2f6753d2d4db376f09ebd73219d398c4671f
• MD5: f72e97df02c9957462585168116ffbca
• imphash: 14dca14bc12cb91865c3bb0a2074a5a7
• ssdeep: 3072:JXxFHbt5TLBfrlMXbQJzVXwzRJCpUOw+oFCZvT8daT9Wtb4jatseNEYm:JhFxNBfrlMMJz9wzRJCphVvTYbgy
• TLSH: T1FB428C885101F742FAA2D3641C705F1CA0F2F6EA62792D4D6B43A42F77AB46F64150BC
• Submitted as: 8c8f2548338933f235fb266c7cb8fd5f75e6e8f6a84a75583c7866eb519b58eb
• File type: pe · Size: 208896 bytes
• Verdict: malicious (92/100) · Family: Blackie

Detections (4 of 52 engines)

• ClamAV (daily): Win.Trojan.Blackie-9838328-0
• YARA: Yara-Rules community: YR_AntiDebug_Checks
• LIEF (executable format parser): lief:invalid-authenticode
• Microsoft Defender: Trojan:Win32/Wacatac.B!ml

Why this verdict

The malicious score of 92/100 is the fusion of 3 weighted signals:

• ClamAV (daily) flagged Win.Trojan.Blackie-9838328-0 (rule Win.Trojan.Blackie-9838328-0) - 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
• LIEF (executable format parser) flagged lief:invalid-authenticode (rule lief:invalid-authenticode) - engine signal, weight 0.35, confidence 0.70

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://office.microsoft.com
• 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
• office.microsoft.com

File paths

• F:\Office\Target\x86\ship\postc2r\x-none\iecontentservice.pdb
• D:\:`:
• T:\:t:x:
• P:\:d:

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report