Overview

overview

10

Static

static

1

ExLoader_I...er.exe

windows10-2004-x64

10

Sharing

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General

  • Target
    ExLoader_Installer.exe
  • Size 23.3MB
  • Sample230325-pcd4ksce99
  • SHA256 07cf0a5861804708fe24a76681e4e1945379ed8e3f71678c9545490b7e78e4ee
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
asyncratdefaultevasionrat

Malware Config

Extracted

Language

  • ps1

Source
URLs
  • exe.dropper

    https://pastebin.com/raw/vNcCt60A

Extracted

Family

  • asyncrat

Version

  • 1.0.7

Botnet

  • Default

Mutex

  • Mutex

Attributes
  • delay

    1

  • install

    false

  • install_folder

    %AppData%

  • pastebin_config

    https://pastebin.com/raw/3Z9zi18j

aes.plain

Targets

    • Target
      ExLoader_Installer.exe
    • Size 23.3MB
    • SHA256 07cf0a5861804708fe24a76681e4e1945379ed8e3f71678c9545490b7e78e4ee
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    asyncratdefaultevasionrat

    • AsyncRat

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

      ratasyncrat

    • Async RAT payload

      rat

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

      evasion

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • Legitimate hosting services abused for malware hosting/C2

    behavioral1

MITRE ATT&CK Enterprise v6

Tasks