General

  • Target

    uni.bat

  • Size

    15.5MB

  • Sample

    240531-s57hdadf24

  • MD5

    180cabfef9e517bf8a30eaf917fb06ca

  • SHA1

    d47987045a7f1888b9a2a8c0159b5bd2c9d79274

  • SHA256

    fe831f43955da5cacbdf9eb8331cb62907141cb0f566b53e5a5f222fe30ee78c

  • SHA512

    91fed14301919d6a0514dd843e6ffaae07fc538199644f4c9033a3ef717a65974ba940ae6646fd4289c614138adbd385b3706169b1754cd8d5b9ef04891f91bb

  • SSDEEP

    49152:mcIdr0nn+8BsYSVa+P+J0XCCeRWpsKlP7k7o6SwofCLl7w+i2+SpQf86Gtpek1GI:1

Malware Config

Extracted

Family

quasar

Attributes
  • reconnect_delay

    3000

Targets

    • Target

      uni.bat

    • Size

      15.5MB

    • MD5

      180cabfef9e517bf8a30eaf917fb06ca

    • SHA1

      d47987045a7f1888b9a2a8c0159b5bd2c9d79274

    • SHA256

      fe831f43955da5cacbdf9eb8331cb62907141cb0f566b53e5a5f222fe30ee78c

    • SHA512

      91fed14301919d6a0514dd843e6ffaae07fc538199644f4c9033a3ef717a65974ba940ae6646fd4289c614138adbd385b3706169b1754cd8d5b9ef04891f91bb

    • SSDEEP

      49152:mcIdr0nn+8BsYSVa+P+J0XCCeRWpsKlP7k7o6SwofCLl7w+i2+SpQf86Gtpek1GI:1

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar payload

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • Checks computer location settings

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

    • Deletes itself

    • Executes dropped EXE

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks