General

  • Target

    df1b41271e250882cc5ce0a2d6f00b863faab7d9e8830358652d015fc1aeedf9

  • Size

    270KB

  • Sample

    250105-hvjy8aymak

  • MD5

    9cbdfc95c830493af0d8986bfef01f77

  • SHA1

    921f7051f9bd6ee4bb7267b8ec8935f7535546cb

  • SHA256

    df1b41271e250882cc5ce0a2d6f00b863faab7d9e8830358652d015fc1aeedf9

  • SHA512

    26f1666affb62214b9fc8f30da91d019b3b432b11bbf3e275b190b4862f6b5c9a931e549bff15274c88429ede945dc94a243bf64ef8066f3c9daeb23707fd162

  • SSDEEP

    3072:WdvzDqxs8ORikgogWfiuRXd3YmSffdTKXNXANewGBvskX1pWA/s8sdkXhb:WFzDqa86hV6uRRqX1evPlwAEdkXhb

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

      df1b41271e250882cc5ce0a2d6f00b863faab7d9e8830358652d015fc1aeedf9

    • Size

      270KB

    • MD5

      9cbdfc95c830493af0d8986bfef01f77

    • SHA1

      921f7051f9bd6ee4bb7267b8ec8935f7535546cb

    • SHA256

      df1b41271e250882cc5ce0a2d6f00b863faab7d9e8830358652d015fc1aeedf9

    • SHA512

      26f1666affb62214b9fc8f30da91d019b3b432b11bbf3e275b190b4862f6b5c9a931e549bff15274c88429ede945dc94a243bf64ef8066f3c9daeb23707fd162

    • SSDEEP

      3072:WdvzDqxs8ORikgogWfiuRXd3YmSffdTKXNXANewGBvskX1pWA/s8sdkXhb:WFzDqa86hV6uRRqX1evPlwAEdkXhb

    • 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