General

  • Target

    85c5055c575118ed65e98450b8136f5c7d6c477e4d7930899550ff305e055672N.exe

  • Size

    271KB

  • Sample

    241220-cplmzawph1

  • MD5

    a76dd5360b06b28f430842ac86c49040

  • SHA1

    b711a066b34e4777424a390b4b02802fd964ae74

  • SHA256

    85c5055c575118ed65e98450b8136f5c7d6c477e4d7930899550ff305e055672

  • SHA512

    c0c105347529e4a106a4bbd0d704cdae0a37daf602b06a005ebf09c2d67b1cd8abb849b1caeaa5e48cbf9a5757207a81e200f2a4f68b4f726be799af85a6e9ee

  • SSDEEP

    3072:WdvzDqxs8ORikgogWfiuRXd3YmSffdTKXNXANewGBvskX1pWA/s8sdT:WFzDqa86hV6uRRqX1evPlwAEdT

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

      85c5055c575118ed65e98450b8136f5c7d6c477e4d7930899550ff305e055672N.exe

    • Size

      271KB

    • MD5

      a76dd5360b06b28f430842ac86c49040

    • SHA1

      b711a066b34e4777424a390b4b02802fd964ae74

    • SHA256

      85c5055c575118ed65e98450b8136f5c7d6c477e4d7930899550ff305e055672

    • SHA512

      c0c105347529e4a106a4bbd0d704cdae0a37daf602b06a005ebf09c2d67b1cd8abb849b1caeaa5e48cbf9a5757207a81e200f2a4f68b4f726be799af85a6e9ee

    • SSDEEP

      3072:WdvzDqxs8ORikgogWfiuRXd3YmSffdTKXNXANewGBvskX1pWA/s8sdT:WFzDqa86hV6uRRqX1evPlwAEdT

    • 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