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General

  • Target

    b9ca3de39b6ff253a9683c6f32666f4882a275e4e7a9df69f4f2787373f88a77

  • Size

    267KB

  • Sample

    240921-x5j5asyfqd

  • MD5

    ca543a3a645d3f76aa25727b92b8596d

  • SHA1

    93f60ad73571b2a7579e2ee888bea21e7974c47a

  • SHA256

    b9ca3de39b6ff253a9683c6f32666f4882a275e4e7a9df69f4f2787373f88a77

  • SHA512

    7c1cfe5218e22d325701d91dedb464964a3cbef5db04bf207854c24107dada6e216fb1f046d4e20de53387eebfcf575d51ae96ca58d9554c5e47247d636f949a

  • SSDEEP

    3072:WdvzDqxs8ORikgogWfiuRXd3YmSffdTKXNXANewGBvskX1pWA/s8sds:WFzDqa86hV6uRRqX1evPlwAEds

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

      b9ca3de39b6ff253a9683c6f32666f4882a275e4e7a9df69f4f2787373f88a77

    • Size

      267KB

    • MD5

      ca543a3a645d3f76aa25727b92b8596d

    • SHA1

      93f60ad73571b2a7579e2ee888bea21e7974c47a

    • SHA256

      b9ca3de39b6ff253a9683c6f32666f4882a275e4e7a9df69f4f2787373f88a77

    • SHA512

      7c1cfe5218e22d325701d91dedb464964a3cbef5db04bf207854c24107dada6e216fb1f046d4e20de53387eebfcf575d51ae96ca58d9554c5e47247d636f949a

    • SSDEEP

      3072:WdvzDqxs8ORikgogWfiuRXd3YmSffdTKXNXANewGBvskX1pWA/s8sds:WFzDqa86hV6uRRqX1evPlwAEds

    • 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