Overview

overview

10

Static

static

3

1wwyaeeCYc.exe

windows7-x64

3

1wwyaeeCYc.exe

windows10-2004-x64

10

Sharing

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General

  • Target
    1wwyaeeCYc.gz.zip
  • Size 44KB
  • Sample230601-mpymmsdg87
  • SHA256 f5d3df7ed5a6a84b14c3200752e6a43b3d8f23ab08fb0c1f7f7e192bb48cb206
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
asyncratdefaultpersistencerat

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.7B

Botnet

  • Default

C2

  • 192.3.101.190:2015

Mutex

  • AsyncMutex_6SI8OkPnk

Attributes
  • delay

    3

  • install

    false

  • install_folder

    %AppData%

aes.plain

Targets

    • Target
      1wwyaeeCYc.exe
    • Size 96KB
    • SHA256 a58ee92cdb05c92453c009c0792676ce815af1298cbbe9f36407d4933b8b942e
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    asyncratdefaultpersistencerat

    • AsyncRat

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

      ratasyncrat

    • Async RAT payload

      rat

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v6

Tasks