Overview

overview

10

Static

static

10

tmpkyoi_ybt.exe

windows10-ltsc_2021-x64

10

tmpkyoi_ybt.exe

windows10-2004-x64

10

tmpkyoi_ybt.exe

windows11-21h2-x64

10

Sharing

Copy URL Twitter E-mail

General

  • Target
    tmpkyoi_ybt
  • Size 45KB
  • Sample260522-yml2lses6n
  • SHA256 bafa775b4ec9790cf358c28aff8492e67cdec8bdfdc77902a369f0d75c4c3815
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
asyncratdefaultdefense_evasiondiscoveryexecutionpersistencerat

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.8

Botnet

  • Default

C2

  • hermesroadside.com:443

  • hermesroadside.com:80

  • hermesroadside.com:7797

  • hermesroadside.com:8707

  • hermesroadside.com:6620

  • www.hermesroadside.com:443

  • www.hermesroadside.com:80

  • www.hermesroadside.com:7797

  • www.hermesroadside.com:8707

  • www.hermesroadside.com:6620

  • clop.hermesroadside.com:443

  • clop.hermesroadside.com:80

  • clop.hermesroadside.com:7797

  • clop.hermesroadside.com:8707

  • clop.hermesroadside.com:6620

  • zeus.hermesroadside.com:443

  • zeus.hermesroadside.com:80

  • zeus.hermesroadside.com:7797

  • zeus.hermesroadside.com:8707

  • zeus.hermesroadside.com:6620

Mutex

  • fgtIAjNT96f6

Attributes
  • delay

    0

  • install

    true

  • install_file

    o84e5.exe

  • install_folder

    %AppData%

aes.plain

Targets

    • Target
      tmpkyoi_ybt
    • Size 45KB
    • SHA256 bafa775b4ec9790cf358c28aff8492e67cdec8bdfdc77902a369f0d75c4c3815
    • 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

    behavioral1behavioral2behavioral3

MITRE ATT&CK Enterprise v16

Tasks