Overview

overview

10

Static

static

1

New Text Document.txt

windows10-ltsc_2021-x64

10

Sharing

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General

  • Target
    New Text Document.txt
  • Size 26B
  • Sample260810-y4ry7axepd
  • SHA256 d8da621b8703e7e6f465efd40c0e8634ee0ab846abc1af8f62450bde544dbb2d
  • MD5 SHA1 SHA512
Score
10/10
asyncratdefaultgoogledefense_evasiondiscoverypersistencephishingratspywarestealersuricata

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.8

Botnet

  • Default

C2

  • 188.161.99.175:50120

Mutex

  • 9rh5zoZ7plUg

Attributes
  • delay

    3

  • install

    false

  • install_file

    Tea.exe

  • install_folder

    %AppData%

aes.plain

Targets

    • Target
      New Text Document.txt
    • Size 26B
    • SHA256 d8da621b8703e7e6f465efd40c0e8634ee0ab846abc1af8f62450bde544dbb2d
    • MD5 SHA1 SHA512
    Score
    10/10
    defaultgoogledefense_evasiondiscoveryasyncratpersistencephishingratspywarestealersuricata

    • Async RAT payload

      rat

    • Family: AsyncRat

      AsyncRAT is designed to remotely monitor and control other computers written in C#.

      ratasyncrat

    • Suricata alert: AsyncRAT Malware Default X.509 Certificate Detected - Inbound

      Network activity triggered a Suricata alert

      suricataasyncrat

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

      spywarestealer

    • Contacts third-party web service commonly abused for C2

      Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

    • Drops desktop.ini file(s)

    • Detected potential entity reuse from brand GOOGLE.

      phishinggoogle
    behavioral1

MITRE ATT&CK Enterprise v16

Tasks