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General

  • Target

    Client-built.exe

  • Size

    3.1MB

  • Sample

    240816-3q7vpsvckc

  • MD5

    4c11f56b9a516468535cd9dfb4625554

  • SHA1

    c85f8a363d0bc4071c82648736d04502a0f77b6e

  • SHA256

    54f96306329acf69543eafbc220bb617151cf4f6572d05a1d99aa2633134b29f

  • SHA512

    b525267b0de611e119c141962f9b8a2e054b3f5afa15140d098ca278e468658aac649c19b802076461fc283e7b7a826b146b3a2319e2af635df6eb820fd81e1d

  • SSDEEP

    49152:tmCk6UTYfYnGJCvFt8lJ6QgeC2eH4THHB72eh2NT:tmsUTyYnGJCvFt8lJ6Qg5

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

SKIDS

C2

147.185.221.22:6712

Mutex

4464eb7a-fcd4-46b0-a1b1-9f00f87d96f8

Attributes
  • encryption_key

    9E968F05BD874BA1BE086FD1774A027473823F49

  • install_name

    Windows Host Process.exe

  • log_directory

    WindowsLogs

  • reconnect_delay

    3000

  • startup_key

    Windows Host Process

  • subdirectory

    Windows

Targets

    • Target

      Client-built.exe

    • Size

      3.1MB

    • MD5

      4c11f56b9a516468535cd9dfb4625554

    • SHA1

      c85f8a363d0bc4071c82648736d04502a0f77b6e

    • SHA256

      54f96306329acf69543eafbc220bb617151cf4f6572d05a1d99aa2633134b29f

    • SHA512

      b525267b0de611e119c141962f9b8a2e054b3f5afa15140d098ca278e468658aac649c19b802076461fc283e7b7a826b146b3a2319e2af635df6eb820fd81e1d

    • SSDEEP

      49152:tmCk6UTYfYnGJCvFt8lJ6QgeC2eH4THHB72eh2NT:tmsUTyYnGJCvFt8lJ6Qg5

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar payload

    • Executes dropped EXE

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks