Overview

overview

10

Static

static

10

5a555e71a2...e1.exe

windows10-2004-x64

10

5a555e71a2...e1.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    5a555e71a2b7792b22a5307e7fc8500755d403e4652cf5e2748e836bde59e9e1
  • Size 47KB
  • Sample260722-yre4vsbh34
  • SHA256 5a555e71a2b7792b22a5307e7fc8500755d403e4652cf5e2748e836bde59e9e1
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
asyncratdefaultdefense_evasiondiscoveryexecutionpersistencerat

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.8

Botnet

  • Default

C2

  • www.loto188b.uk.com:6606

  • www.loto188b.uk.com:80

  • www.loto188b.uk.com:8080

  • www.loto188b.uk.com:443

  • www.loto188b.uk.com:8443

  • www.loto188b.uk.com:22

  • www.loto188b.uk.com:23

  • yfe.uk.com:6606

  • yfe.uk.com:80

  • yfe.uk.com:8080

  • yfe.uk.com:443

  • yfe.uk.com:8443

  • yfe.uk.com:22

  • yfe.uk.com:23

Mutex

  • 12Vx1gIsUYMU

Attributes
  • delay

    3

  • install

    true

  • install_file

    GoogleUpdate.exe

  • install_folder

    %Temp%

aes.plain

Targets

    • Target
      5a555e71a2b7792b22a5307e7fc8500755d403e4652cf5e2748e836bde59e9e1
    • Size 47KB
    • SHA256 5a555e71a2b7792b22a5307e7fc8500755d403e4652cf5e2748e836bde59e9e1
    • 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