General

  • Target

    Client-built.exe

  • Size

    3.1MB

  • Sample

    241128-dwbl1syrhj

  • MD5

    c17ff0333852bb47c256d3a448910271

  • SHA1

    be09b580de7608f2f1e9013bd16ad5499faf2ce3

  • SHA256

    e5963a8de3d81aff5bd3193d5137baa1b9022d6106dc3141f4d99c14e2fbad7e

  • SHA512

    1bf1840de9a7547fef877e0986c4a71c0360ea9005a3f85b98836596acc713e6d9764fd9c0a0d7356b0621cb278ec403bf7ac71f8155decb046d14ec4ecd13f5

  • SSDEEP

    49152:rvClL26AaNeWgPhlmVqvMQ7XSK7pDGjHmzMVoGdBHTHHB72eh2NT:rv6L26AaNeWgPhlmVqkQ7XSKdDGjN

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

answer-patients.gl.at.ply.gg:4538

Mutex

bd9cc66c-344e-4ad2-b846-b59ac86aa18e

Attributes
  • encryption_key

    9672EF6F385B517A0E912363D30D7BF6BDEA77A6

  • install_name

    siema.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Client Startup

  • subdirectory

    svhost.gg

Targets

    • Target

      Client-built.exe

    • Size

      3.1MB

    • MD5

      c17ff0333852bb47c256d3a448910271

    • SHA1

      be09b580de7608f2f1e9013bd16ad5499faf2ce3

    • SHA256

      e5963a8de3d81aff5bd3193d5137baa1b9022d6106dc3141f4d99c14e2fbad7e

    • SHA512

      1bf1840de9a7547fef877e0986c4a71c0360ea9005a3f85b98836596acc713e6d9764fd9c0a0d7356b0621cb278ec403bf7ac71f8155decb046d14ec4ecd13f5

    • SSDEEP

      49152:rvClL26AaNeWgPhlmVqvMQ7XSK7pDGjHmzMVoGdBHTHHB72eh2NT:rv6L26AaNeWgPhlmVqkQ7XSKdDGjN

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar family

    • Quasar payload

    • Executes dropped EXE

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks