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General

  • Target

    Client-built.exe

  • Size

    3.1MB

  • Sample

    250324-nyndpsspw7

  • MD5

    621755714a193b4d557c2477c185a080

  • SHA1

    0fa113b4ee92a92274d85ef8b5bccced70f96b74

  • SHA256

    de5fdd1c4eab3b2ac4281b03fc7a1b24bd815f6b12bce909755fe2738ab94c44

  • SHA512

    b53972b855f6249ce277cd212933a9bb2f795c1e2e263fec62a6a7068ab9b4541ea99a82b5c3443c3a29486f4f6615f03b7721b7747a46b503a75e342b155ce6

  • SSDEEP

    98304:6vI62XlaSFNWPjljiFXRoUYID9RJ61Zf:MAZYcY

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

10.0.2.15:4782

Mutex

e5b62a3f-1d76-4ce3-b145-c4738e342ae6

Attributes
  • encryption_key

    5A573CB681082703764120F09BB1C9929732AAD8

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Client Startup

  • subdirectory

    SubDir

Targets

    • Target

      Client-built.exe

    • Size

      3.1MB

    • MD5

      621755714a193b4d557c2477c185a080

    • SHA1

      0fa113b4ee92a92274d85ef8b5bccced70f96b74

    • SHA256

      de5fdd1c4eab3b2ac4281b03fc7a1b24bd815f6b12bce909755fe2738ab94c44

    • SHA512

      b53972b855f6249ce277cd212933a9bb2f795c1e2e263fec62a6a7068ab9b4541ea99a82b5c3443c3a29486f4f6615f03b7721b7747a46b503a75e342b155ce6

    • SSDEEP

      98304:6vI62XlaSFNWPjljiFXRoUYID9RJ61Zf:MAZYcY

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar family

    • Quasar payload

    • Executes dropped EXE

MITRE ATT&CK Enterprise v15

Tasks