Overview

overview

10

Static

static

10

c1b92fce7b...4f.exe

windows10-2004-x64

10

c1b92fce7b...4f.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    c1b92fce7b97c64bb76903c1c6cff82ff6d6ae9c8a8b1bd9bef2f0f1339b214f
  • Size 45KB
  • Sample260803-mle15avcjb
  • SHA256 c1b92fce7b97c64bb76903c1c6cff82ff6d6ae9c8a8b1bd9bef2f0f1339b214f
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
asyncratdefaultcommand_and_controldefense_evasiondiscoveryexecutionpersistencerat

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.8

Botnet

  • Default

C2

  • viet69i.com:80

  • viet69i.com:22

  • viet69i.com:8080

  • viet69i.com:8880

  • viet69i.com:2052

  • viet69i.com:2082

  • viet69i.com:2086

  • viet69i.com:2095

  • viet69i.com:443

  • viet69i.com:2053

  • viet69i.com:2083

  • viet69i.com:2087

  • viet69i.com:2096

  • viet69i.com:8443

  • www.viet69i.com:80

  • www.viet69i.com:22

  • www.viet69i.com:8080

  • www.viet69i.com:8880

  • www.viet69i.com:2052

  • www.viet69i.com:2082

Mutex

  • lgXdHP39iyy8

Attributes
  • delay

    0

  • install

    true

  • install_file

    kfili.exe

  • install_folder

    %AppData%

aes.plain

Targets

    • Target
      c1b92fce7b97c64bb76903c1c6cff82ff6d6ae9c8a8b1bd9bef2f0f1339b214f
    • Size 45KB
    • SHA256 c1b92fce7b97c64bb76903c1c6cff82ff6d6ae9c8a8b1bd9bef2f0f1339b214f
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    defaultdefense_evasiondiscoveryexecutionasyncratpersistenceratcommand_and_control

    • 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