General

  • Target

    KRcLFIz5PCQunB7.exe

  • Size

    3.5MB

  • Sample

    241120-rgprzsycjm

  • MD5

    a08b35662044abf9528c24c3f663eaed

  • SHA1

    aee7831f263e6b83198a790d8a8948a841a600e2

  • SHA256

    3f233256d32f8c33884510be0e50b614a35642f6ed7cb76b1f480373b548b295

  • SHA512

    0866868cbf52999b233546348cde08c3cfcf2deef86830a319d8430e6d815a02b8438f46c944fbd9f2010d7e9fcb6f4f77db490280894b899de0afc71278b5dd

  • SSDEEP

    49152:Uf+eHq329+bhPCNJZxh2H4s0E04nfxhFZ9kIODfdWutT825SkDh83TQ237w4fGi:U+MrJZqYsTfnFZ9ktfgtSSTQ23s4p

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

FLO

C2

qtd.ydns.eu:5829

Mutex

ac3de377-7a66-4586-b523-567adbbba988

Attributes
  • encryption_key

    C5B555A83D127A9553D4FB1FCECB35CE8E91A447

  • install_name

    outlooks.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Outlooks

  • subdirectory

    WindowsUpdates

Targets

    • Target

      KRcLFIz5PCQunB7.exe

    • Size

      3.5MB

    • MD5

      a08b35662044abf9528c24c3f663eaed

    • SHA1

      aee7831f263e6b83198a790d8a8948a841a600e2

    • SHA256

      3f233256d32f8c33884510be0e50b614a35642f6ed7cb76b1f480373b548b295

    • SHA512

      0866868cbf52999b233546348cde08c3cfcf2deef86830a319d8430e6d815a02b8438f46c944fbd9f2010d7e9fcb6f4f77db490280894b899de0afc71278b5dd

    • SSDEEP

      49152:Uf+eHq329+bhPCNJZxh2H4s0E04nfxhFZ9kIODfdWutT825SkDh83TQ237w4fGi:U+MrJZqYsTfnFZ9ktfgtSSTQ23s4p

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar family

    • Quasar payload

    • Executes dropped EXE

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks