Overview

overview

10

Static

static

10

51ebcdcf62...4f.exe

windows10-2004-x64

10

51ebcdcf62...4f.exe

windows11-21h2-x64

10

Sharing

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General

  • Target
    51ebcdcf62c70588f84ef5db178ea6440c174ca0b300d33adf0081c86d4ed94f
  • Size 45KB
  • Sample260601-stxtsshs4z
  • SHA256 51ebcdcf62c70588f84ef5db178ea6440c174ca0b300d33adf0081c86d4ed94f
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
asyncratdefaultdefense_evasiondiscoveryexecutionpersistencerat

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.8

Botnet

  • Default

C2

  • xxsub.com:443

  • xxsub.com:80

  • xxsub.com:7797

  • xxsub.com:8707

  • xxsub.com:6620

  • www.xxsub.com:443

  • www.xxsub.com:80

  • www.xxsub.com:7797

  • www.xxsub.com:8707

  • www.xxsub.com:6620

  • remcos.xxsub.com:443

  • remcos.xxsub.com:80

  • remcos.xxsub.com:7797

  • remcos.xxsub.com:8707

  • remcos.xxsub.com:6620

  • melissa.xxsub.com:443

  • melissa.xxsub.com:80

  • melissa.xxsub.com:7797

  • melissa.xxsub.com:8707

  • melissa.xxsub.com:6620

Mutex

  • CQVlsh5PYoV6

Attributes
  • delay

    0

  • install

    true

  • install_file

    6fy1ic1r.exe

  • install_folder

    %AppData%

aes.plain

Targets

    • Target
      51ebcdcf62c70588f84ef5db178ea6440c174ca0b300d33adf0081c86d4ed94f
    • Size 45KB
    • SHA256 51ebcdcf62c70588f84ef5db178ea6440c174ca0b300d33adf0081c86d4ed94f
    • 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