General

  • Target

    dwdwdw.exe

  • Size

    3.1MB

  • Sample

    240805-g44jjsyerj

  • MD5

    2918c8a614e88697a74fa44db27518f0

  • SHA1

    e7f6f4cf9e8cb900e71633b628b3a3b54e90a179

  • SHA256

    ace4ac0da20b7e8b91205196f973a80e117bc4cede40ea445e851382567456a4

  • SHA512

    f452b243d7ed593e4d22481e02431773687f1c61783ecebf70bb8e80ce17332b9f1c1a4cb21760770dcbb0adef22ab6c4196089b50a2565ba2da4d962b22b8e3

  • SSDEEP

    49152:VHobtR1o2PmNXo7WCr5lkcXcIYXrYdyQTHHB72eh2NT:VHmRvmNXo7WCr5lkcXcI6/

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

147.185.221.18:42996

147.185.221.18:1770

Mutex

c2e1b18a-ce93-436d-ad8b-21bf89015e19

Attributes
  • encryption_key

    9E968F05BD874BA1BE086FD1774A027473823F49

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Client Startup

  • subdirectory

    SubDir

Targets

    • Target

      dwdwdw.exe

    • Size

      3.1MB

    • MD5

      2918c8a614e88697a74fa44db27518f0

    • SHA1

      e7f6f4cf9e8cb900e71633b628b3a3b54e90a179

    • SHA256

      ace4ac0da20b7e8b91205196f973a80e117bc4cede40ea445e851382567456a4

    • SHA512

      f452b243d7ed593e4d22481e02431773687f1c61783ecebf70bb8e80ce17332b9f1c1a4cb21760770dcbb0adef22ab6c4196089b50a2565ba2da4d962b22b8e3

    • SSDEEP

      49152:VHobtR1o2PmNXo7WCr5lkcXcIYXrYdyQTHHB72eh2NT:VHmRvmNXo7WCr5lkcXcI6/

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar payload

    • Checks computer location settings

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

MITRE ATT&CK Enterprise v15

Tasks