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General

  • Target

    113ed17fc6dff4197896f75a26ec2548d2f955f8062e8e02301f76fd338612e8

  • Size

    267KB

  • Sample

    240921-yclm4azajg

  • MD5

    a4659dc2157ed87d0f1e6efb8e2fdbf7

  • SHA1

    f7efacf8ada06e71fffa497009cd0b790e61d33b

  • SHA256

    113ed17fc6dff4197896f75a26ec2548d2f955f8062e8e02301f76fd338612e8

  • SHA512

    f0d7c63b1130f21b051d34fe03d36e30c2acccf21446559581fbdb18a24901d83d26dd2248ddeb24eef10d91da31d440d8c6a7b0926c10926fa9282c79e13e62

  • SSDEEP

    3072:WdvzDqxs8ORikgogWfiuRXd3YmSffdTKXNXANewGBvskX1pWA/s8sdC:WFzDqa86hV6uRRqX1evPlwAEdC

Malware Config

Extracted

Family

asyncrat

Version

0.4.9G

C2

corporation.warzonedns.com:9341

Mutex

480-28105c055659

Attributes
  • delay

    0

  • install

    false

  • install_folder

    %AppData%

aes.plain

Targets

    • Target

      113ed17fc6dff4197896f75a26ec2548d2f955f8062e8e02301f76fd338612e8

    • Size

      267KB

    • MD5

      a4659dc2157ed87d0f1e6efb8e2fdbf7

    • SHA1

      f7efacf8ada06e71fffa497009cd0b790e61d33b

    • SHA256

      113ed17fc6dff4197896f75a26ec2548d2f955f8062e8e02301f76fd338612e8

    • SHA512

      f0d7c63b1130f21b051d34fe03d36e30c2acccf21446559581fbdb18a24901d83d26dd2248ddeb24eef10d91da31d440d8c6a7b0926c10926fa9282c79e13e62

    • SSDEEP

      3072:WdvzDqxs8ORikgogWfiuRXd3YmSffdTKXNXANewGBvskX1pWA/s8sdC:WFzDqa86hV6uRRqX1evPlwAEdC

    • AsyncRat

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

    • Contains code to disable Windows Defender

      A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks