SUSPICIOUS — ef3b3ac21b166f30e88a6b1e38433654d3b6b5138f0bbaaaa1e2d6623efd44a5.exe

SUSPICIOUS — ef3b3ac21b166f30e88a6b1e38433654d3b6b5138f0bbaaaa1e2d6623efd44a5.exe is a pe sample analyzed by MalwareAnalyzer by Cyble with a suspicious verdict (35/100). 4 of 55 detection engines flagged it.

Identification

• SHA-256: ef3b3ac21b166f30e88a6b1e38433654d3b6b5138f0bbaaaa1e2d6623efd44a5
• SHA-1: f77e96d74a7b66f5c25987b42488e7c6cdf7dbf9
• MD5: 2a4b73053da63ca72e1e87525daaffa0
• imphash: 42492c8bc2aad1800e134cedaf5754c9
• ssdeep: 98304:lmgtRQDgICDtPfeE/jowqK5LN1KQ0oTh2M9QrABlollloHFMIQ6UDz:JiDgICteErownP0oTcMsABqlfiUf
• TLSH: T1DE65331642077392EEF2E9A0DC409D4D8463B29D6872D29C2987CD5E30F9D33E9F0A56
• Submitted as: ef3b3ac21b166f30e88a6b1e38433654d3b6b5138f0bbaaaa1e2d6623efd44a5.exe
• File type: pe · Size: 5634371 bytes
• Verdict: suspicious (35/100)

Source: MalwareBazaar · first seen 2026-08-01T00:00:00.000Z · SHA-256 verified

Detections (4 of 55 engines)

• MalwareAnalyser heuristics (entropy/packer): Microsoft Linker
• Detect It Easy (packer/type): DIE:Microsoft Linker
• Emsisoft (Emergency Kit): Gen:Variant.Adware.Yogi.1551
• Kaspersky (KVRT): Trojan-Dropper.Win32.Sysn.dpuw

Why this verdict

The suspicious score of 35/100 is the fusion of 2 weighted signals:

• Detect It Easy (packer/type) flagged DIE:Microsoft Linker (rule DIE:Microsoft Linker) - engine signal, weight 0.35, confidence 0.70
• Packing/obfuscation: Microsoft 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.

Embedded URLs

• http://schemas.microsoft.com/SMI/2016/WindowsSettings

Embedded domains

• schemas.microsoft.com
• 8.gq

File paths

• G:\($
• Y:\bG
• m:\0HCp

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report