General

  • Target

    Quasar RAT - test.exe

  • Size

    1.7MB

  • Sample

    240724-tfelqsxdnh

  • MD5

    19e1d4a253179455bf472d6ee7f6519c

  • SHA1

    045e6d804a6a17e11cd247886081b64e4d2d581f

  • SHA256

    0889a36da1951d162e7bfe908514f62ff14a18c0b941faf6b3315ce3938964bc

  • SHA512

    6e8a0b0e2a5e807e56d49f24278de9b86e1f26904b852c88d6910049a12ddc36ff50fd2cc7b5baa49797dcf98393a72013ac94c2bfeb77d910eddb0bfc768f6e

  • SSDEEP

    24576:xuDXTIGaPhEYzUzA0/08PxzvqN9q/FmFCTm1+yPF8J57SjzpvCvfMs8+mod8iNIV:kDjlabwz9zb9OQ+2v7M9wrCBtPgm

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

181.47.208.50:7771

Mutex

c595c4ee-ef89-4d90-a1b9-e075998ef505

Attributes
  • encryption_key

    3CA7ADBC526D33038E7621CACEBAA490AFB10A9A

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Client Startup

  • subdirectory

    SubDir

Targets

    • Target

      Quasar RAT - test.exe

    • Size

      1.7MB

    • MD5

      19e1d4a253179455bf472d6ee7f6519c

    • SHA1

      045e6d804a6a17e11cd247886081b64e4d2d581f

    • SHA256

      0889a36da1951d162e7bfe908514f62ff14a18c0b941faf6b3315ce3938964bc

    • SHA512

      6e8a0b0e2a5e807e56d49f24278de9b86e1f26904b852c88d6910049a12ddc36ff50fd2cc7b5baa49797dcf98393a72013ac94c2bfeb77d910eddb0bfc768f6e

    • SSDEEP

      24576:xuDXTIGaPhEYzUzA0/08PxzvqN9q/FmFCTm1+yPF8J57SjzpvCvfMs8+mod8iNIV:kDjlabwz9zb9OQ+2v7M9wrCBtPgm

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar payload

    • Checks computer location settings

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

    • Executes dropped EXE

MITRE ATT&CK Enterprise v15

Tasks