MALICIOUS — pagefile.sys .exe

MALICIOUS — pagefile.sys .exe is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (87/100), attributed to the Mira family. 4 of 55 detection engines flagged it.

Identification

• SHA-256: bbe4e5cb88501f7777d37f1859d3ed7c88ca06941c7998abad536895e2603168
• SHA-1: 43f478537b31d6f85518c4aa3a3a39979ba000d9
• MD5: 8bbfc5891e6e8c4c8029a4e8fe7268c7
• imphash: 3a2003ea545fe942681da9e7683ebb58
• ssdeep: 6144:6BxIK3CTW8TMjp41u6nyHwnZ9FxZ4ZvxyWuFTcX6o3MKU5WYo868x9:CxIK9V14ImyHY9nZuxQTc6o3MKG/X9
• TLSH: T1F749AE103F8CA453F391CC8B4AA2717F906F9EAA657A92000754F5848997FAFD27870D
• Submitted as: pagefile.sys .exe
• File type: pe · Size: 420288 bytes
• Verdict: malicious (87/100) · Family: Mira

Detections (4 of 55 engines)

• MalwareAnalyser heuristics (entropy/packer): high-entropy-sections:.lol 1
• ClamAV (daily): Win.Packed.Mira-7330891-0
• Microsoft Defender: Trojan:Win32/Krap!pz
• Kaspersky (KVRT): HEUR:Trojan.Win32.Generic

Why this verdict

The malicious score of 87/100 is the fusion of 2 weighted signals:

• ClamAV (daily) flagged Win.Packed.Mira-7330891-0 (rule Win.Packed.Mira-7330891-0) - engine signal, weight 0.90, confidence 0.95
• Packing/obfuscation: high-entropy-sections:.lol 1 - 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