General

  • Target

    1f238ad06ac68a23e2397f648dcf7d50N.exe

  • Size

    267KB

  • Sample

    240815-nbspxathjr

  • MD5

    1f238ad06ac68a23e2397f648dcf7d50

  • SHA1

    9fcf736f4227c9e51d1b0baf948847675b3b058f

  • SHA256

    ff67c3ee76846717bba68faa474601c8ea1330ce1a6a868ef2e83326dd86b73e

  • SHA512

    0a1d3439a728f3f4bf9838876cd4e78cda9a5143577687f164d6951f46224e7611be76ac1be70f05fcd250199566e932d88ab4766c8563c46a20f2ef2cfec343

  • SSDEEP

    3072:WdvzDqxs8ORikgogWfiuRXd3YmSffdTKXNXANewGBvskX1pWA/sH:WFzDqa86hV6uRRqX1evPlwAEH

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

      1f238ad06ac68a23e2397f648dcf7d50N.exe

    • Size

      267KB

    • MD5

      1f238ad06ac68a23e2397f648dcf7d50

    • SHA1

      9fcf736f4227c9e51d1b0baf948847675b3b058f

    • SHA256

      ff67c3ee76846717bba68faa474601c8ea1330ce1a6a868ef2e83326dd86b73e

    • SHA512

      0a1d3439a728f3f4bf9838876cd4e78cda9a5143577687f164d6951f46224e7611be76ac1be70f05fcd250199566e932d88ab4766c8563c46a20f2ef2cfec343

    • SSDEEP

      3072:WdvzDqxs8ORikgogWfiuRXd3YmSffdTKXNXANewGBvskX1pWA/sH:WFzDqa86hV6uRRqX1evPlwAEH

    • 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