General

  • Target

    TwoOA1

  • Size

    7KB

  • Sample

    241211-221p4awmgr

  • MD5

    aa5d13590623abb5d3963a8af5dfb85d

  • SHA1

    8dcb62e75f970ac4f9f78e2558f335951b599774

  • SHA256

    4c6183029dcf2e4d604c473c2dfb4f72037b6a8f13d9183b0842fd201e422d7a

  • SHA512

    94899bfebc29d4d76c1a8d0e9b787ae50386a5e8718194791d27d86eb7e67e1b0e1a9b0a4e68031905c767419bd767b9d2666ac5ffd0a8dd87c0bf842ac7282b

  • SSDEEP

    96:CMq9SlLh2B3Zq36uWl/PtxyjttJQ8Maoah3vL5LaNclmnU1Eh2sS:T1lLhwJrPahtJxMaoah3vG12sS

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

snimewhile-38203.portmap.host:38203

Mutex

485b7f49-f0e9-4e9f-a33c-05550e9dae96

Attributes
  • encryption_key

    9CD2B9F914AD2DE5F4E76D73DB6248BE3586A707

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Windows Update

  • subdirectory

    SubDir

Targets

    • Target

      TwoOA1

    • Size

      7KB

    • MD5

      aa5d13590623abb5d3963a8af5dfb85d

    • SHA1

      8dcb62e75f970ac4f9f78e2558f335951b599774

    • SHA256

      4c6183029dcf2e4d604c473c2dfb4f72037b6a8f13d9183b0842fd201e422d7a

    • SHA512

      94899bfebc29d4d76c1a8d0e9b787ae50386a5e8718194791d27d86eb7e67e1b0e1a9b0a4e68031905c767419bd767b9d2666ac5ffd0a8dd87c0bf842ac7282b

    • SSDEEP

      96:CMq9SlLh2B3Zq36uWl/PtxyjttJQ8Maoah3vL5LaNclmnU1Eh2sS:T1lLhwJrPahtJxMaoah3vG12sS

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar family

    • Quasar payload

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Executes dropped EXE

MITRE ATT&CK Enterprise v15

Tasks