General

  • Target

    kreo q zi.7z

  • Size

    922KB

  • Sample

    241106-f1tphaxnbl

  • MD5

    ec516db688f94e98d5141f4bade557e9

  • SHA1

    198ffbae5eed415ac673f5e371774759f1a53de1

  • SHA256

    282d6f5ddc83351dab51e6decc1293b078638f0cfd0baca4673afc8246fd32bd

  • SHA512

    ecc34ad7d15fbedbbc4e62b469f5e6e5e71099e19831574da61dc9f751ed5b2faad1676b8b3dbf0911c4dac628c7a15e9d07d953692c5ab1b700ea07f6396985

  • SSDEEP

    24576:yScP7qLl4iGQATiKL0aywxTodSrUF+nVZLLymvgDoSAWcNtMXqWOU:07qLl4KATiJUo0UEnLmmvqiWcNtMXDOU

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

hola435-24858.portmap.host:24858

Mutex

e51e2b65-e963-4051-9736-67d57ed46798

Attributes
  • encryption_key

    AEA258EF65BF1786F0F767C0BE2497ECC304C46F

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Client Startup

  • subdirectory

    SubDir

Targets

    • Target

      kreo q zi.7z

    • Size

      922KB

    • MD5

      ec516db688f94e98d5141f4bade557e9

    • SHA1

      198ffbae5eed415ac673f5e371774759f1a53de1

    • SHA256

      282d6f5ddc83351dab51e6decc1293b078638f0cfd0baca4673afc8246fd32bd

    • SHA512

      ecc34ad7d15fbedbbc4e62b469f5e6e5e71099e19831574da61dc9f751ed5b2faad1676b8b3dbf0911c4dac628c7a15e9d07d953692c5ab1b700ea07f6396985

    • SSDEEP

      24576:yScP7qLl4iGQATiKL0aywxTodSrUF+nVZLLymvgDoSAWcNtMXqWOU:07qLl4KATiJUo0UEnLmmvqiWcNtMXDOU

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar family

    • Quasar payload

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

MITRE ATT&CK Enterprise v15

Tasks