General

  • Target

    aa.exe

  • Size

    3.1MB

  • Sample

    240418-rmdlxafd75

  • MD5

    a1b18584a5906f5be41db7dd83325caa

  • SHA1

    749e349a70fb0a2778900fceb15ff7f3ed033196

  • SHA256

    ef2c6cf5a0ba1b81ab22164b7820f49761de4f6feb8fa4e5c64a1bfad369cc74

  • SHA512

    037e7b94ccea547a113304aa73fb940401c18a8e1d3df5681a191b0f9292769419f48bf8fe1f6f69534f320f34fabac638735d2e3ea2ff12039518193dca4ede

  • SSDEEP

    49152:Wv7I22SsaNYfdPBldt698dBcjHqHfkfXvjjLoGlvTHHB72eh2NT:WvE22SsaNYfdPBldt6+dBcjHLfj

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

192.168.254.152:4782

180.190.63.111:8080

Mutex

37c3d2aa-6a36-4ee8-a4be-f1c3187fbd03

Attributes
  • encryption_key

    E9EE5B51F341491A9CE8837BE89BB18191B86C1E

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    python

  • subdirectory

    SubDir

Targets

    • Target

      aa.exe

    • Size

      3.1MB

    • MD5

      a1b18584a5906f5be41db7dd83325caa

    • SHA1

      749e349a70fb0a2778900fceb15ff7f3ed033196

    • SHA256

      ef2c6cf5a0ba1b81ab22164b7820f49761de4f6feb8fa4e5c64a1bfad369cc74

    • SHA512

      037e7b94ccea547a113304aa73fb940401c18a8e1d3df5681a191b0f9292769419f48bf8fe1f6f69534f320f34fabac638735d2e3ea2ff12039518193dca4ede

    • SSDEEP

      49152:Wv7I22SsaNYfdPBldt698dBcjHqHfkfXvjjLoGlvTHHB72eh2NT:WvE22SsaNYfdPBldt6+dBcjHLfj

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar payload

    • Executes dropped EXE

MITRE ATT&CK Enterprise v15

Tasks