General

  • Target

    2.exe

  • Size

    3.1MB

  • Sample

    231127-lprcwsfg32

  • MD5

    b4383485e556da9e96ccddde2575a37f

  • SHA1

    607a3903bb4c5b10bb542fdced5aed35967602e7

  • SHA256

    c36d1a18c68c3cd5f0664cdc021f198696b098025109bbe8972fa0e92605d1b7

  • SHA512

    17d9a7c34bc700b48bfebfbe9fd0279b01c1a76bf92a60970b8617a38cb8b171efa458adf197d530b6ccbfa486dd0a7b65112ffb51fa0a8f69f0e6aeb7a417fa

  • SSDEEP

    49152:2v1t62XlaSFNWPjljiFa2RoUYIKLP1JXLoGdkTHHB72eh2NT:2vH62XlaSFNWPjljiFXRoUYIKLL

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

127.0.0.7:1443

Mutex

6f01cc79-8527-4436-a34a-473fcf92b46f

Attributes
  • encryption_key

    D52EA8296126E8DD7D221BC02E2826F1CAA96C78

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Client Startup

  • subdirectory

    SubDir

Targets

    • Target

      2.exe

    • Size

      3.1MB

    • MD5

      b4383485e556da9e96ccddde2575a37f

    • SHA1

      607a3903bb4c5b10bb542fdced5aed35967602e7

    • SHA256

      c36d1a18c68c3cd5f0664cdc021f198696b098025109bbe8972fa0e92605d1b7

    • SHA512

      17d9a7c34bc700b48bfebfbe9fd0279b01c1a76bf92a60970b8617a38cb8b171efa458adf197d530b6ccbfa486dd0a7b65112ffb51fa0a8f69f0e6aeb7a417fa

    • SSDEEP

      49152:2v1t62XlaSFNWPjljiFa2RoUYIKLP1JXLoGdkTHHB72eh2NT:2vH62XlaSFNWPjljiFXRoUYIKLL

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar payload

    • Executes dropped EXE

MITRE ATT&CK Enterprise v15

Tasks