General

  • Target

    fc84e1e6ba3da99670ea27d83decb0d7fc0fd58c85b2d6990521f9b5f12604cc.exe

  • Size

    270KB

  • Sample

    241225-w5q26ssnaq

  • MD5

    2b7b328370a631e8516ae38ac1529716

  • SHA1

    b8440eaf2d72b21061534ba77028267478fae735

  • SHA256

    fc84e1e6ba3da99670ea27d83decb0d7fc0fd58c85b2d6990521f9b5f12604cc

  • SHA512

    3833e1ddd3a7fa258a26effa4b3559db79a7ffb9c9b0d6880b0275b0d4c5ddc921f77c279390263ca4d90840b316ca35fdd31ed388c57773c247961e4544a3c7

  • SSDEEP

    3072:WdvzDqxs8ORikgogWfiuRXd3YmSffdTKXNXANewGBvskX1pWA/s8sdka:WFzDqa86hV6uRRqX1evPlwAEdka

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

      fc84e1e6ba3da99670ea27d83decb0d7fc0fd58c85b2d6990521f9b5f12604cc.exe

    • Size

      270KB

    • MD5

      2b7b328370a631e8516ae38ac1529716

    • SHA1

      b8440eaf2d72b21061534ba77028267478fae735

    • SHA256

      fc84e1e6ba3da99670ea27d83decb0d7fc0fd58c85b2d6990521f9b5f12604cc

    • SHA512

      3833e1ddd3a7fa258a26effa4b3559db79a7ffb9c9b0d6880b0275b0d4c5ddc921f77c279390263ca4d90840b316ca35fdd31ed388c57773c247961e4544a3c7

    • SSDEEP

      3072:WdvzDqxs8ORikgogWfiuRXd3YmSffdTKXNXANewGBvskX1pWA/s8sdka:WFzDqa86hV6uRRqX1evPlwAEdka

    • 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