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General

  • Target

    getrnr.bat

  • Size

    279KB

  • Sample

    240514-km65wshb21

  • MD5

    167bee7350388d8357a2c7b7a67275de

  • SHA1

    15ad2fbb16264b7f595e600ae4319256b8c83153

  • SHA256

    d548ff4b3087f7bcf7a83019bef434fe23baef7489c3b92dac45b1ce3e542e5b

  • SHA512

    3ece3f5a0bf43264cc31f27ecee046f6093e61064683f5d1b3d6d62ec2c7f8ee7a9452869aeb7c636c02b98cf64852797a1581b6f50b7cb04f3e778242c7cf54

  • SSDEEP

    6144:ADe50b7Ynod1bLuUJV5q5oG+2mYKPvlxL32nAel/W:ADe+ftLuo2m1PNvy/W

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

C2

127.0.0.1:6606

127.0.0.1:7707

127.0.0.1:8808

51.195.229.88:6606

51.195.229.88:7707

51.195.229.88:8808

Mutex

RtcMBJiBo8Ns

Attributes
  • delay

    3

  • install

    false

  • install_folder

    %AppData%

aes.plain

Targets

    • Target

      getrnr.bat

    • Size

      279KB

    • MD5

      167bee7350388d8357a2c7b7a67275de

    • SHA1

      15ad2fbb16264b7f595e600ae4319256b8c83153

    • SHA256

      d548ff4b3087f7bcf7a83019bef434fe23baef7489c3b92dac45b1ce3e542e5b

    • SHA512

      3ece3f5a0bf43264cc31f27ecee046f6093e61064683f5d1b3d6d62ec2c7f8ee7a9452869aeb7c636c02b98cf64852797a1581b6f50b7cb04f3e778242c7cf54

    • SSDEEP

      6144:ADe50b7Ynod1bLuUJV5q5oG+2mYKPvlxL32nAel/W:ADe+ftLuo2m1PNvy/W

    • AsyncRat

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

    • Async RAT payload

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

MITRE ATT&CK Enterprise v15

Tasks