General

  • Target

    4e259bb72091a51873695eab388599bf4665c0cd04363d48481ff406771fdf1b.exe

  • Size

    270KB

  • Sample

    241226-v69egasraq

  • MD5

    403f3241e5af51a4cf93a0b7945a9d06

  • SHA1

    6f40643395723f67f6d23ddc5261dbd65e093664

  • SHA256

    4e259bb72091a51873695eab388599bf4665c0cd04363d48481ff406771fdf1b

  • SHA512

    5ffa76cabbcd5020f249556fc52f74b7aab328c879fbd9a38cef7a0fe6e41218fcc4e405a296492df4c8261090dbe469ee40d540c0239f65d7ae445123ce1991

  • SSDEEP

    3072:WdvzDqxs8ORikgogWfiuRXd3YmSffdTKXNXANewGBvskX1pWA/s8sdkXF:WFzDqa86hV6uRRqX1evPlwAEdkXF

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

      4e259bb72091a51873695eab388599bf4665c0cd04363d48481ff406771fdf1b.exe

    • Size

      270KB

    • MD5

      403f3241e5af51a4cf93a0b7945a9d06

    • SHA1

      6f40643395723f67f6d23ddc5261dbd65e093664

    • SHA256

      4e259bb72091a51873695eab388599bf4665c0cd04363d48481ff406771fdf1b

    • SHA512

      5ffa76cabbcd5020f249556fc52f74b7aab328c879fbd9a38cef7a0fe6e41218fcc4e405a296492df4c8261090dbe469ee40d540c0239f65d7ae445123ce1991

    • SSDEEP

      3072:WdvzDqxs8ORikgogWfiuRXd3YmSffdTKXNXANewGBvskX1pWA/s8sdkXF:WFzDqa86hV6uRRqX1evPlwAEdkXF

    • AsyncRat

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

    • Asyncrat family

    • 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