General

  • Target

    b1d13a3d1d3fa5786cb1b48d3aa64e90N.exe

  • Size

    266KB

  • Sample

    240819-f69mxazfjj

  • MD5

    b1d13a3d1d3fa5786cb1b48d3aa64e90

  • SHA1

    001d109341ce43ec309910afbb84cf1644fc8460

  • SHA256

    4724db8a3fcb7b6fb2fcf38db1267514c1f16cb6d1b747d6d1b1710509c709ba

  • SHA512

    077f9f9cbc9800f560fa968976b588c80e235745db3395995eaf533c80e2daa7fc8cedf7bc631a7b455caa01ba7f019b8d9f1a05c7d18520741c7468f8f95c68

  • SSDEEP

    3072:WdvzDqxs8ORikgogWfiuRXd3YmSffdTKXNXANewGBvskX1pWA/r:WFzDqa86hV6uRRqX1evPlwAD

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

      b1d13a3d1d3fa5786cb1b48d3aa64e90N.exe

    • Size

      266KB

    • MD5

      b1d13a3d1d3fa5786cb1b48d3aa64e90

    • SHA1

      001d109341ce43ec309910afbb84cf1644fc8460

    • SHA256

      4724db8a3fcb7b6fb2fcf38db1267514c1f16cb6d1b747d6d1b1710509c709ba

    • SHA512

      077f9f9cbc9800f560fa968976b588c80e235745db3395995eaf533c80e2daa7fc8cedf7bc631a7b455caa01ba7f019b8d9f1a05c7d18520741c7468f8f95c68

    • SSDEEP

      3072:WdvzDqxs8ORikgogWfiuRXd3YmSffdTKXNXANewGBvskX1pWA/r:WFzDqa86hV6uRRqX1evPlwAD

    • 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