Overview

overview

10

Static

static

5

NexxzyInstaller.exe

windows10-2004-x64

10

NexxzyInstaller.exe

windows11-21h2-x64

7

Sharing

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General

  • Target
    NexxzyInstaller.exe
  • Size 406KB
  • Sample250927-srlnratwf1
  • SHA256 792f9553f588ac0caf6d148585ffe48b4cd343146852ee92c78b65bea562f457
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
oskidefense_evasiondiscoveryinfostealerspywarestealer

Malware Config

Targets

    • Target
      NexxzyInstaller.exe
    • Size 406KB
    • SHA256 792f9553f588ac0caf6d148585ffe48b4cd343146852ee92c78b65bea562f457
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    defense_evasiondiscoveryoskiinfostealerspywarestealer

    • Oski

      Oski is an infostealer targeting browser data, crypto wallets.

      infostealeroski

    • Oski family

      oski

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

      spywarestealer

    • SmartAssembly .NET packer

      Detects SmartAssembly .NET packer.

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks