Overview

overview

10

Static

static

FA2020.06....CX.exe

windows7_x64

10

FA2020.06....CX.exe

windows10_x64

3

Sharing

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General

  • Target
    FA2020.06.85569.DOCX.exe
  • Size 188KB
  • Sample200707-xeksbtwt1n
  • SHA256 8be860472e72eae45034f553b53dc883fa99292a2b54ef2a57614fcf8e600790
  • MD5 SHA1 SHA512
Score
10/10
asyncratpersistenceratspyware

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.7B

C2

  • null:null

Mutex

  • AsyncMutex_6SI8OkPnk

Attributes
  • aes_key

    DHyXENUbuF7kz7qg9whtglVdx8ChMDvS

  • anti_detection

    false

  • autorun

    false

  • bdos

    false

  • delay

    Default

  • host

    null

  • hwid

    3

  • install_file

  • install_folder

    %AppData%

  • mutex

    AsyncMutex_6SI8OkPnk

  • pastebin_config

    https://pastebin.com/raw/63NgqBcT

  • port

    null

  • version

    0.5.7B

aes.plain

Targets

    • Target
      FA2020.06.85569.DOCX.exe
    • Size 188KB
    • SHA256 8be860472e72eae45034f553b53dc883fa99292a2b54ef2a57614fcf8e600790
    • MD5 SHA1 SHA512
    Score
    10/10
    asyncratpersistenceratspyware

    • AsyncRat

      AsyncRAT is designed to remotely monitor and control other computers.

      ratasyncrat

    • Async RAT payload

      rat

    • Executes dropped EXE

    • Drops startup file

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

      spyware

    • Adds Run key to start application

      persistence

    • Legitimate hosting services abused for malware hosting/C2

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v6

Tasks