Overview

overview

10

Static

static

10

2026-07-02...ar.exe

windows10-2004-x64

10

2026-07-02...ar.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    2026-07-02_90a6ef5f1d7ef3882f58602d47277a43_cobalt-strike_icedid_ryuk_satacom_vidar
  • Size 1.1MB
  • Sample260703-bpezrahw7v
  • SHA256 3d1ceb30694b70afe3aa94b649b0342db6f95798744ad3262bd1930ddda479c5
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
asyncratbesso back ya sdiscoveryratspywarestealersuricata

Malware Config

Extracted

Family

  • asyncrat

Version

  • AWS | 3Losh

Botnet

  • Besso Back Ya s

C2

  • 205.209.106.158:5228

Mutex

  • AsyncMutex_alosh

Attributes
  • delay

    3

  • install

    false

  • install_folder

    %AppData%

aes.plain

Targets

    • Target
      2026-07-02_90a6ef5f1d7ef3882f58602d47277a43_cobalt-strike_icedid_ryuk_satacom_vidar
    • Size 1.1MB
    • SHA256 3d1ceb30694b70afe3aa94b649b0342db6f95798744ad3262bd1930ddda479c5
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    besso back ya sdiscoveryasyncratratspywarestealersuricata

    • Async RAT payload

      rat

    • Family: AsyncRat

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

      ratasyncrat

    • Suricata alert: AsyncRAT Malware Default X.509 Certificate Detected - Inbound

      Network activity triggered a Suricata alert

      suricataasyncrat

    • Detect binaries embedding considerable number of cryptocurrency wallet browser extension IDs.

    • Detects file containing reversed ASEP Autorun registry keys

    • Executes dropped EXE

    • Reads user/profile data of web browsers

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

      spywarestealer

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks