Overview

overview

10

Static

static

10

ess.exe

windows11-21h2-x64

10

Sharing

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General

  • Target
    ess.pif
  • Size 38KB
  • Sample240417-x2s8ssch41
  • SHA256 f66d125ed2d2267ac2de3b7290b0abfa9a1b4265d04ed872a4d96888888d5296
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
asyncratstormkittyevasionratspywarestealer

Malware Config

Targets

    • Target
      ess.pif
    • Size 38KB
    • SHA256 f66d125ed2d2267ac2de3b7290b0abfa9a1b4265d04ed872a4d96888888d5296
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    asyncratstormkittyevasionratspywarestealer

    • AsyncRat

      AsyncRAT is designed to remotely monitor and control other computers written in C#.

      ratasyncrat

    • StormKitty

      StormKitty is an open source info stealer written in C#.

      stealerstormkitty

    • StormKitty payload

    • Async RAT payload

      rat

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

      evasion

    • Executes dropped EXE

    • Reads user/profile data of web browsers

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

      spywarestealer

    • Legitimate hosting services abused for malware hosting/C2

    behavioral1

MITRE ATT&CK Enterprise v15

Tasks