General

  • Target

    8d31eb458dbdd8c2a077e0f460af302e23d3101ef2b3244122bbd9f27a9cfdd8N.exe

  • Size

    1.3MB

  • Sample

    250104-zxq9raxmat

  • MD5

    ad1762e0e5eef2a9e8c2e4b2e16642c0

  • SHA1

    35db306e48aa98e9186ce3205375bd9a09994636

  • SHA256

    8d31eb458dbdd8c2a077e0f460af302e23d3101ef2b3244122bbd9f27a9cfdd8

  • SHA512

    e98e3b50b2c3ed954bb180202690c3c6faea329ae6dd55b1612f5e02afb11fcc745c58307b25116de0070696efec1bc29fa3c8e9c574cbf57c0d74b09c7f3da5

  • SSDEEP

    24576:SXgzXWjsCGT27mq5qUSXvpVWK5OjKxAVMDJdNnb4INYKk:5Xos3qQUivHW8OjWA+DJdNnccYT

Malware Config

Extracted

Family

quasar

Version

1.4.0.0

Botnet

Plumora

C2

51.15.17.193:222

Mutex

rMBE19V1piv5vHLGW3

Attributes
  • encryption_key

    aphmBq1R7UlQBWY2O9wd

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    word

  • subdirectory

    SubDir

Targets

    • Target

      8d31eb458dbdd8c2a077e0f460af302e23d3101ef2b3244122bbd9f27a9cfdd8N.exe

    • Size

      1.3MB

    • MD5

      ad1762e0e5eef2a9e8c2e4b2e16642c0

    • SHA1

      35db306e48aa98e9186ce3205375bd9a09994636

    • SHA256

      8d31eb458dbdd8c2a077e0f460af302e23d3101ef2b3244122bbd9f27a9cfdd8

    • SHA512

      e98e3b50b2c3ed954bb180202690c3c6faea329ae6dd55b1612f5e02afb11fcc745c58307b25116de0070696efec1bc29fa3c8e9c574cbf57c0d74b09c7f3da5

    • SSDEEP

      24576:SXgzXWjsCGT27mq5qUSXvpVWK5OjKxAVMDJdNnb4INYKk:5Xos3qQUivHW8OjWA+DJdNnccYT

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar family

    • Quasar payload

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Enumerates processes with tasklist

MITRE ATT&CK Enterprise v15

Tasks