General

  • Target

    4c8a37bba1eda81eb0e51922a98fa61f278fcab7b58870fa650865a53e308b1d.exe

  • Size

    67.2MB

  • Sample

    241110-ctwzhaxdpj

  • MD5

    2a67434fe41c54946d0f82294efe0c46

  • SHA1

    0109f1f1988289b9d9ff33f6bd9de5fb5d9e3a17

  • SHA256

    4c8a37bba1eda81eb0e51922a98fa61f278fcab7b58870fa650865a53e308b1d

  • SHA512

    f6a171693e63e326f9f5e7781fa8b6d783cf3da17c68d5381506d489c86469384d78ee183fecffeaf0bbc1ee1a11088c5cc5b6ba1cb0215994ace1c9ed43ccc0

  • SSDEEP

    1572864:8X+49uMjQOzasFtnCfcc4ZKrTruLo5CXecJ2sMA:8qKQQJF+uQTr6BPJ2/A

Malware Config

Extracted

Family

asyncrat

Version

1.0.7

Botnet

Default

C2

139.99.3.47:6669

Mutex

DynamoaaBDdajsdh1231bSDaJ21q3

Attributes
  • delay

    1

  • install

    false

  • install_folder

    %AppData%

aes.plain

Targets

    • Target

      4c8a37bba1eda81eb0e51922a98fa61f278fcab7b58870fa650865a53e308b1d.exe

    • Size

      67.2MB

    • MD5

      2a67434fe41c54946d0f82294efe0c46

    • SHA1

      0109f1f1988289b9d9ff33f6bd9de5fb5d9e3a17

    • SHA256

      4c8a37bba1eda81eb0e51922a98fa61f278fcab7b58870fa650865a53e308b1d

    • SHA512

      f6a171693e63e326f9f5e7781fa8b6d783cf3da17c68d5381506d489c86469384d78ee183fecffeaf0bbc1ee1a11088c5cc5b6ba1cb0215994ace1c9ed43ccc0

    • SSDEEP

      1572864:8X+49uMjQOzasFtnCfcc4ZKrTruLo5CXecJ2sMA:8qKQQJF+uQTr6BPJ2/A

    • AsyncRat

      AsyncRAT is designed to remotely monitor and control other computers written in C#.

    • Asyncrat family

    • Looks for VirtualBox Guest Additions in registry

    • Looks for VMWare Tools registry key

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks