Overview

overview

10

Static

static

10

1e39fb734e...05.exe

windows10-2004-x64

10

1e39fb734e...05.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    1e39fb734e9f69a9555774e07180b5327600a99548b0e2cc630f5b3b58c94905
  • Size 45KB
  • Sample260721-apxdcsas5n
  • SHA256 1e39fb734e9f69a9555774e07180b5327600a99548b0e2cc630f5b3b58c94905
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
asyncratdefaultdefense_evasiondiscoveryexecutionpersistencerat

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.8

Botnet

  • Default

C2

  • 103.109.100.136:80

  • 103.109.100.136:22

  • 103.109.100.136:8080

  • 103.109.100.136:8880

  • 103.109.100.136:2052

  • 103.109.100.136:2082

  • 103.109.100.136:2086

  • 103.109.100.136:2095

  • 103.109.100.136:443

  • 103.109.100.136:2053

  • 103.109.100.136:2083

  • 103.109.100.136:2087

  • 103.109.100.136:2096

  • 103.109.100.136:8443

Mutex

  • 0x4vvKqHv0cQ

Attributes
  • delay

    0

  • install

    true

  • install_file

    21bx.exe

  • install_folder

    %AppData%

aes.plain

Targets

    • Target
      1e39fb734e9f69a9555774e07180b5327600a99548b0e2cc630f5b3b58c94905
    • Size 45KB
    • SHA256 1e39fb734e9f69a9555774e07180b5327600a99548b0e2cc630f5b3b58c94905
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    defaultdefense_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

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks