General

  • Target

    d600758023374f78d58acafbcaf94af66ad203b28e22a.exe

  • Size

    3.3MB

  • Sample

    241020-ztvsrszdnf

  • MD5

    e089ca24836249976e2d5dca3678e807

  • SHA1

    8cf9c018fc37aa609b08d49de20e9856b643305b

  • SHA256

    d600758023374f78d58acafbcaf94af66ad203b28e22a305e2a9d53768b7030f

  • SHA512

    76173c832baf4f003f7a2242b1daa8e4021320040de84125d1796c8b67dc2582b607efa77d386db38f6eda5dec892c9fc947b1930695d14687391537aa060f5a

  • SSDEEP

    49152:pvPI22SsaNYfdPBldt698dBcjHkxOEMk8k/JxpoGdCYTHHB72eh2NTf:pvA22SsaNYfdPBldt6+dBcjHkxnby

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

173.214.167.207:4782

Mutex

feefbbd1-f830-4abb-beee-ba55da8cb629

Attributes
  • encryption_key

    51CB1F5A5C66153C4F993F7F3638B35B3A7597B3

  • install_name

    DefenderScan.exe

  • log_directory

    init

  • reconnect_delay

    3000

  • startup_key

    Defender

  • subdirectory

    SubDir

Targets

    • Target

      d600758023374f78d58acafbcaf94af66ad203b28e22a.exe

    • Size

      3.3MB

    • MD5

      e089ca24836249976e2d5dca3678e807

    • SHA1

      8cf9c018fc37aa609b08d49de20e9856b643305b

    • SHA256

      d600758023374f78d58acafbcaf94af66ad203b28e22a305e2a9d53768b7030f

    • SHA512

      76173c832baf4f003f7a2242b1daa8e4021320040de84125d1796c8b67dc2582b607efa77d386db38f6eda5dec892c9fc947b1930695d14687391537aa060f5a

    • SSDEEP

      49152:pvPI22SsaNYfdPBldt698dBcjHkxOEMk8k/JxpoGdCYTHHB72eh2NTf:pvA22SsaNYfdPBldt6+dBcjHkxnby

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar payload

    • Executes dropped EXE

MITRE ATT&CK Matrix

Tasks