General

  • Target

    Adobe Download Manager.exe

  • Size

    2.0MB

  • Sample

    231222-y6cx2sfgd8

  • MD5

    cc38554b00499e85149b2c1c0a22473e

  • SHA1

    13382965ec47a60dcf07aeadd7414f215099f564

  • SHA256

    f8b6eddbe3fd90f45c93cfdaf71fe200371518c6f0c100e2aad9f193d7260c05

  • SHA512

    0efe34a59ef8990aa40db6066128f44108c0bce914e450ba69cafae0664c3190cdbdfd0511e42a25e8f4d880e456ef2ccedcd690603e102ae4dcdf7170b2790c

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYP:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YB

Malware Config

Extracted

Family

quasar

Version

1.3.0.0

Botnet

EbayProfiles

C2

5.8.88.191:443

sockartek.icu:443

Mutex

QSR_MUTEX_0kBRNrRz5TDLEQouI0

Attributes
  • encryption_key

    MWhG6wsClMX8aJM2CVXT

  • install_name

    winsock.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    win defender run

  • subdirectory

    SubDir

Extracted

Family

azorult

C2

http://0x21.in:8000/_az/

Targets

    • Target

      Adobe Download Manager.exe

    • Size

      2.0MB

    • MD5

      cc38554b00499e85149b2c1c0a22473e

    • SHA1

      13382965ec47a60dcf07aeadd7414f215099f564

    • SHA256

      f8b6eddbe3fd90f45c93cfdaf71fe200371518c6f0c100e2aad9f193d7260c05

    • SHA512

      0efe34a59ef8990aa40db6066128f44108c0bce914e450ba69cafae0664c3190cdbdfd0511e42a25e8f4d880e456ef2ccedcd690603e102ae4dcdf7170b2790c

    • SSDEEP

      24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYP:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YB

    • Azorult

      An information stealer that was first discovered in 2016, targeting browsing history and passwords.

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar payload

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Looks up external IP address via web service

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

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks