General

  • Target

    1bd13a28f62855a85170033ee25f73c387b512b0042be9314981887074393d0f

  • Size

    272KB

  • Sample

    250329-ywqfdsztgs

  • MD5

    ddd9a73f6b017c6839674d5e6f665c3f

  • SHA1

    cb3f1debb913d6cafab38102c9f35b6450c3a3ac

  • SHA256

    1bd13a28f62855a85170033ee25f73c387b512b0042be9314981887074393d0f

  • SHA512

    41ef3b93154675266266dde5bbf579f54931ed3295ccaf1f2817201dbab3f07c1632f3c57a21f8d1bc9cdd02eba2f05735c946e6a4e17096e5ac7040b2cb0aa6

  • SSDEEP

    3072:WdvzDqxs8ORikgogWfiuRXd3YmSffdTKXNXANewGBvskX1pWA/s8sdTo:WFzDqa86hV6uRRqX1evPlwAEdM

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

      1bd13a28f62855a85170033ee25f73c387b512b0042be9314981887074393d0f

    • Size

      272KB

    • MD5

      ddd9a73f6b017c6839674d5e6f665c3f

    • SHA1

      cb3f1debb913d6cafab38102c9f35b6450c3a3ac

    • SHA256

      1bd13a28f62855a85170033ee25f73c387b512b0042be9314981887074393d0f

    • SHA512

      41ef3b93154675266266dde5bbf579f54931ed3295ccaf1f2817201dbab3f07c1632f3c57a21f8d1bc9cdd02eba2f05735c946e6a4e17096e5ac7040b2cb0aa6

    • SSDEEP

      3072:WdvzDqxs8ORikgogWfiuRXd3YmSffdTKXNXANewGBvskX1pWA/s8sdTo:WFzDqa86hV6uRRqX1evPlwAEdM

    • 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

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks