Overview

overview

10

Static

static

10

4be32018b3...d2.exe

windows10-2004-x64

10

4be32018b3...d2.exe

windows11-21h2-x64

10

Sharing

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General

  • Target
    4be32018b37e330dcc2ea5c3e3e339345bdf55e062b8dd616a54e5744ef103d2
  • Size 45KB
  • Sample260601-rf7amse13t
  • SHA256 4be32018b37e330dcc2ea5c3e3e339345bdf55e062b8dd616a54e5744ef103d2
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
asyncratdefaultdefense_evasiondiscoveryexecutionpersistencerat

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.8

Botnet

  • Default

C2

  • xemphim.boats:443

  • xemphim.boats:80

  • xemphim.boats:7797

  • xemphim.boats:8707

  • xemphim.boats:6620

  • www.xemphim.boats:443

  • www.xemphim.boats:80

  • www.xemphim.boats:7797

  • www.xemphim.boats:8707

  • www.xemphim.boats:6620

  • cl0p.xemphim.boats:443

  • cl0p.xemphim.boats:80

  • cl0p.xemphim.boats:7797

  • cl0p.xemphim.boats:8707

  • cl0p.xemphim.boats:6620

  • blacklotus.xemphim.boats:443

  • blacklotus.xemphim.boats:80

  • blacklotus.xemphim.boats:7797

  • blacklotus.xemphim.boats:8707

  • blacklotus.xemphim.boats:6620

Mutex

  • huLhwBqlc2CJ

Attributes
  • delay

    0

  • install

    true

  • install_file

    ffjs9thb.exe

  • install_folder

    %AppData%

aes.plain

Targets

    • Target
      4be32018b37e330dcc2ea5c3e3e339345bdf55e062b8dd616a54e5744ef103d2
    • Size 45KB
    • SHA256 4be32018b37e330dcc2ea5c3e3e339345bdf55e062b8dd616a54e5744ef103d2
    • 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