General

  • Target

    d80bf458621ad1b07b654eb998fa51dc1e441bea211346b7e0b98446e13c2921.exe

  • Size

    348KB

  • Sample

    250128-h4yhza1rhn

  • MD5

    1f991ebc89394a5b27b929ef7687f084

  • SHA1

    9182f8a8397f63b7095dec15a4d15856206ed772

  • SHA256

    d80bf458621ad1b07b654eb998fa51dc1e441bea211346b7e0b98446e13c2921

  • SHA512

    23d88a25ce5c35f639f3439fbf65830da3a4a4bf65e70e2aba694f07ce64fb12c6c7153b01222074491026b9fb6a4aeb4f55e079296263153ba3143859c4ec72

  • SSDEEP

    6144:zONHXf500MxKvb14K49bPOEHLbqQzY6yKPHKc7b:Cd50okhOetE6yKPqGb

Malware Config

Extracted

Family

quasar

Version

1.3.0.0

Botnet

Crypt

C2

roblox.airdns.org:62604

Mutex

QSR_MUTEX_9BqPNntmTx0lb8HatR

Attributes
  • encryption_key

    2G5P5Ofa0fcpAr8ENatR

  • install_name

    Runtime Broker.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Runtime Broker

  • subdirectory

    SubDir

Targets

    • Target

      d80bf458621ad1b07b654eb998fa51dc1e441bea211346b7e0b98446e13c2921.exe

    • Size

      348KB

    • MD5

      1f991ebc89394a5b27b929ef7687f084

    • SHA1

      9182f8a8397f63b7095dec15a4d15856206ed772

    • SHA256

      d80bf458621ad1b07b654eb998fa51dc1e441bea211346b7e0b98446e13c2921

    • SHA512

      23d88a25ce5c35f639f3439fbf65830da3a4a4bf65e70e2aba694f07ce64fb12c6c7153b01222074491026b9fb6a4aeb4f55e079296263153ba3143859c4ec72

    • SSDEEP

      6144:zONHXf500MxKvb14K49bPOEHLbqQzY6yKPHKc7b:Cd50okhOetE6yKPqGb

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar family

    • Quasar payload

    • Looks up external IP address via web service

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

MITRE ATT&CK Enterprise v15

Tasks