Overview

overview

10

Static

static

10

c4e5dfbe11...41.exe

windows10-2004-x64

10

c4e5dfbe11...41.exe

windows11-ltsc_2024-x64

10

Sharing

Copy URL Twitter E-mail

General

  • Target
    c4e5dfbe112d80aa611fa2d25ff4a847fd5f830db571fa5442cdf1b6359b7341
  • Size 45KB
  • Sample260804-m4a5wstzaz
  • SHA256 c4e5dfbe112d80aa611fa2d25ff4a847fd5f830db571fa5442cdf1b6359b7341
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
asyncratdefaultcommand_and_controldefense_evasiondiscoveryexecutionpersistencerat

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.8

Botnet

  • Default

C2

  • viet18.org:80

  • viet18.org:22

  • viet18.org:8080

  • viet18.org:8880

  • viet18.org:2052

  • viet18.org:2082

  • viet18.org:2086

  • viet18.org:2095

  • viet18.org:443

  • viet18.org:2053

  • viet18.org:2083

  • viet18.org:2087

  • viet18.org:2096

  • viet18.org:8443

  • www.viet18.org:80

  • www.viet18.org:22

  • www.viet18.org:8080

  • www.viet18.org:8880

  • www.viet18.org:2052

  • www.viet18.org:2082

Mutex

  • FVeYJrXEyVLt

Attributes
  • delay

    0

  • install

    true

  • install_file

    k748.exe

  • install_folder

    %AppData%

aes.plain

Targets

    • Target
      c4e5dfbe112d80aa611fa2d25ff4a847fd5f830db571fa5442cdf1b6359b7341
    • Size 45KB
    • SHA256 c4e5dfbe112d80aa611fa2d25ff4a847fd5f830db571fa5442cdf1b6359b7341
    • 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