General

  • Target

    ec3ec09cfef7dcaffc81dd5e15dfc1cbe2ef841bbd6779a7884a2caadc08392d

  • Size

    1.4MB

  • Sample

    230801-dhpaysea6w

  • MD5

    ddaf3fa89d6d46dde96fca6de76fcca0

  • SHA1

    fd70eb7e4eb2d3126ccca5de33757ee3dee6b83f

  • SHA256

    ec3ec09cfef7dcaffc81dd5e15dfc1cbe2ef841bbd6779a7884a2caadc08392d

  • SHA512

    d52df9195b3857bb17b32368934de9c319417ac84de5712dcceb58f3141fe51f76af315f5c5be7764dbed5bb3344f5c4afaffc792bf0062982fc6d48d12b0c25

  • SSDEEP

    24576:U2G/nvxW3Ww0tRp8GiXTBhq7yRDvHcUcjUvy0lr3Tl6icOB/UWoT:UbA30H4zF0UMSAicOB/UWk

Malware Config

Extracted

Family

quasar

Version

1.3.0.0

Botnet

-

C2

94.131.105.161:12344

Mutex

QSR_MUTEX_UEgITWnMKnRP3EZFzK

Attributes
  • encryption_key

    5Q0JQBQQfAUHRJTcAIOF

  • install_name

    lient.exe

  • log_directory

    Lugs

  • reconnect_delay

    3000

  • startup_key

    itartup

  • subdirectory

    SubDir

Targets

    • Target

      ec3ec09cfef7dcaffc81dd5e15dfc1cbe2ef841bbd6779a7884a2caadc08392d

    • Size

      1.4MB

    • MD5

      ddaf3fa89d6d46dde96fca6de76fcca0

    • SHA1

      fd70eb7e4eb2d3126ccca5de33757ee3dee6b83f

    • SHA256

      ec3ec09cfef7dcaffc81dd5e15dfc1cbe2ef841bbd6779a7884a2caadc08392d

    • SHA512

      d52df9195b3857bb17b32368934de9c319417ac84de5712dcceb58f3141fe51f76af315f5c5be7764dbed5bb3344f5c4afaffc792bf0062982fc6d48d12b0c25

    • SSDEEP

      24576:U2G/nvxW3Ww0tRp8GiXTBhq7yRDvHcUcjUvy0lr3Tl6icOB/UWoT:UbA30H4zF0UMSAicOB/UWk

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar payload

    • Modifies Windows Firewall

    • ACProtect 1.3x - 1.4x DLL software

      Detects file using ACProtect software.

    • Executes dropped EXE

    • Loads dropped DLL

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Unexpected DNS network traffic destination

      Network traffic to other servers than the configured DNS servers was detected on the DNS port.

    • 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