Overview

overview

10

Static

static

21344 P.O.rtf

windows7_x64

10

21344 P.O.rtf

windows10-2004_x64

1

Sharing

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General

  • Target
    21344 P.O.doc
  • Size 11KB
  • Sample220321-sr3x2adeaj
  • SHA256 d55d6e9aa46e97e3900c41584e96d56d23ecc29f8536a5cf3627c7b2e0a563e7
  • MD5 SHA1 SHA512
Score
10/10
asyncratdefaultratsuricata

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.7B

Botnet

  • Default

C2

  • polymoly.info:4199

Mutex

  • AsyncMutex_6SI8OkPnk

Attributes
  • delay

    3

  • install

    false

  • install_file

    siliconsoft.exe

  • install_folder

    %AppData%

aes.plain

Targets

    • Target
      21344 P.O.doc
    • Size 11KB
    • SHA256 d55d6e9aa46e97e3900c41584e96d56d23ecc29f8536a5cf3627c7b2e0a563e7
    • MD5 SHA1 SHA512
    Score
    10/10
    asyncratdefaultratsuricata

    • AsyncRat

      AsyncRAT is designed to remotely monitor and control other computers.

      ratasyncrat

    • suricata: ET MALWARE Observed Malicious SSL Cert (AsyncRAT Server)

      suricata: ET MALWARE Observed Malicious SSL Cert (AsyncRAT Server)

      suricata

    • Async RAT payload

      rat

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Loads dropped DLL

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v6

Tasks