Overview

overview

10

Static

static

10

eff9a18dcf...e8.exe

windows10-2004-x64

10

eff9a18dcf...e8.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    eff9a18dcf39d3c80896b4bc0413a4aca65247bf8044d2f81a3df8d2c8f794e8
  • Size 47KB
  • Sample260907-yd4kasvaqf
  • SHA256 eff9a18dcf39d3c80896b4bc0413a4aca65247bf8044d2f81a3df8d2c8f794e8
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
asyncratdefaultdefense_evasiondiscoveryexecutionpersistencerat

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.8

Botnet

  • Default

C2

  • 5.tcp.eu.ngrok.io:17232

Mutex

  • 4FgMtvebc33S

Attributes
  • delay

    3

  • install

    true

  • install_file

    Valorat11.exe

  • install_folder

    %Temp%

aes.plain

Targets

    • Target
      eff9a18dcf39d3c80896b4bc0413a4aca65247bf8044d2f81a3df8d2c8f794e8
    • Size 47KB
    • SHA256 eff9a18dcf39d3c80896b4bc0413a4aca65247bf8044d2f81a3df8d2c8f794e8
    • 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

    • Contacts third-party web service commonly abused for C2

      Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks