Overview

overview

10

Static

static

10

c611c26340...c3.exe

windows10-2004-x64

10

c611c26340...c3.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    c611c26340b6f2152420eeccb7bd2f53579a54955ac6024635d64058fa3a58c3
  • Size 45KB
  • Sample260803-sxcyssbe45
  • SHA256 c611c26340b6f2152420eeccb7bd2f53579a54955ac6024635d64058fa3a58c3
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
asyncratdefaultcommand_and_controldefense_evasiondiscoveryexecutionpersistencerat

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.8

Botnet

  • Default

C2

  • sexybeam.me:80

  • sexybeam.me:22

  • sexybeam.me:8080

  • sexybeam.me:8880

  • sexybeam.me:2052

  • sexybeam.me:2082

  • sexybeam.me:2086

  • sexybeam.me:2095

  • sexybeam.me:443

  • sexybeam.me:2053

  • sexybeam.me:2083

  • sexybeam.me:2087

  • sexybeam.me:2096

  • sexybeam.me:8443

  • www.sexybeam.me:80

  • www.sexybeam.me:22

  • www.sexybeam.me:8080

  • www.sexybeam.me:8880

  • www.sexybeam.me:2052

  • www.sexybeam.me:2082

Mutex

  • BpFnhCdfAtz8

Attributes
  • delay

    0

  • install

    true

  • install_file

    y2by.exe

  • install_folder

    %AppData%

aes.plain

Targets

    • Target
      c611c26340b6f2152420eeccb7bd2f53579a54955ac6024635d64058fa3a58c3
    • Size 45KB
    • SHA256 c611c26340b6f2152420eeccb7bd2f53579a54955ac6024635d64058fa3a58c3
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    defaultcommand_and_controldefense_evasiondiscoveryexecutionasyncratpersistencerat

    • Async RAT payload

      rat

    • Family: AsyncRat

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

      ratasyncrat

    • Checks computer location settings

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

    • Executes dropped EXE

    • Outbound SSH connection to public host

      SSH is used for remote access. This may indicate SSH host discovery, encrypted C2 traffic, or data exfiltration.

      command_and_control
    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks