MALICIOUS — crypto.dll

MALICIOUS — crypto.dll is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (91/100), attributed to the Somhoveran family. 6 of 55 detection engines flagged it.

Identification

• SHA-256: b435457bfcb9f093508d4b9bc7cef971af72c5856889a118851fcf0c363195d9
• SHA-1: f75ded7b59b3769d705548219078dbf30a6ad118
• MD5: 40452ea4213f5001899bdb7cbfb3879d
• imphash: e60d0e6577962a1096407913ed128742
• ssdeep: 3072:IyrN/sVywaEj1Us10nfbyrN/sVywaEj1UsELYcNF+PPQBKcX5vceCxwNSHKN9cEH:Nh9wv1Uveh9wv1UF8PTcJ0eCyjEvVyR
• TLSH: T1D643234BB9D4F1BCD9C6B0A00858A36CB85ADB2C15799D807D86096BD8348C76CF8DDC
• Submitted as: crypto.dll
• File type: pe · Size: 223232 bytes
• Verdict: malicious (91/100) · Family: Somhoveran

Detections (6 of 55 engines)

• MalwareAnalyser heuristics (entropy/packer): UPX
• ClamAV (daily): Win.Ransomware.Somhoveran-9870372-0
• Detect It Easy (packer/type): DIE:Turbo Linker
• Microsoft Defender: Trojan:Win32/Vindor!pz
• Emsisoft (Emergency Kit): Gen:Trojan.ShellHook.nmJfa4pdRVd
• Kaspersky (KVRT): Worm.Win32.Wenper.b

Why this verdict

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

• ClamAV (daily) flagged Win.Ransomware.Somhoveran-9870372-0 (rule Win.Ransomware.Somhoveran-9870372-0) - engine signal, weight 0.90, confidence 0.95
• Detect It Easy (packer/type) flagged DIE:Turbo Linker (rule DIE:Turbo Linker) - engine signal, weight 0.35, confidence 0.70
• Packing/obfuscation: UPX, high-entropy-sections:UPX1, Turbo Linker - static signal, weight 0.25, confidence 0.55

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.

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report