Overview

overview

10

Static

static

10

eris.uk.net.exe

windows10-2004-x64

10

eris.uk.net.exe

windows11-21h2-x64

10

Sharing

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General

  • Target
    eris.uk.net.exe
  • Size 114KB
  • Sample260427-e2rqvsby4y
  • SHA256 173935740f9735a14521667c29431c21567ae20a54d857e7e8c2d4b9e9ac2959
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
asyncratdefaultdefense_evasiondiscoveryexecutionpersistencerat

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.8

Botnet

  • Default

Mutex

  • uUJfGoXpVqMy

Attributes
  • delay

    10

  • install

    true

  • install_file

    Firefox.exe

  • install_folder

    %AppData%

  • pastebin_config

    https://pastebin.com/raw/s14cUU5G

aes.plain

Targets

    • Target
      eris.uk.net.exe
    • Size 114KB
    • SHA256 173935740f9735a14521667c29431c21567ae20a54d857e7e8c2d4b9e9ac2959
    • 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