General

  • Target

    13c1a8461adcef928a0ce6335a6cd31f04d0346ac21f799164a6ec9b855ad743N.exe

  • Size

    270KB

  • Sample

    241216-sezpvatqfm

  • MD5

    0a958bb39869927c550fdb18b845c220

  • SHA1

    080f14375eaaed153b5794d3c58930732d2164bb

  • SHA256

    13c1a8461adcef928a0ce6335a6cd31f04d0346ac21f799164a6ec9b855ad743

  • SHA512

    b500e7d72aabbecf0a145ffece61bd6ffff19653c00e603e699c477a7c8d7c21b73c5992adfbfd10a31c7b61d0ce5084b59d65bfbea1db9ef87360d90c79f329

  • SSDEEP

    3072:WdvzDqxs8ORikgogWfiuRXd3YmSffdTKXNXANewGBvskX1pWA/s8sdI:WFzDqa86hV6uRRqX1evPlwAEdI

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

      13c1a8461adcef928a0ce6335a6cd31f04d0346ac21f799164a6ec9b855ad743N.exe

    • Size

      270KB

    • MD5

      0a958bb39869927c550fdb18b845c220

    • SHA1

      080f14375eaaed153b5794d3c58930732d2164bb

    • SHA256

      13c1a8461adcef928a0ce6335a6cd31f04d0346ac21f799164a6ec9b855ad743

    • SHA512

      b500e7d72aabbecf0a145ffece61bd6ffff19653c00e603e699c477a7c8d7c21b73c5992adfbfd10a31c7b61d0ce5084b59d65bfbea1db9ef87360d90c79f329

    • SSDEEP

      3072:WdvzDqxs8ORikgogWfiuRXd3YmSffdTKXNXANewGBvskX1pWA/s8sdI:WFzDqa86hV6uRRqX1evPlwAEdI

    • 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