General

  • Target

    77a3cdf055c31b5eaf642d84edb3273602fc5c1524807214135b5da94b3af77cN.exe

  • Size

    2.0MB

  • Sample

    241208-b6vfrs1ldp

  • MD5

    5a34976a81eadfa957b9b154917a6a60

  • SHA1

    6a547e796c48c17f7331ae4a1cd32f14cab1c232

  • SHA256

    77a3cdf055c31b5eaf642d84edb3273602fc5c1524807214135b5da94b3af77c

  • SHA512

    f7d01fef694e212b8e0e6a37ad983d006130e3b94062f25c61dbd86c4279e2b79aa775596964f5c95568e8887c42ebe44152d68d28ebb8fbcea8b899909e1166

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYl:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YL

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

      77a3cdf055c31b5eaf642d84edb3273602fc5c1524807214135b5da94b3af77cN.exe

    • Size

      2.0MB

    • MD5

      5a34976a81eadfa957b9b154917a6a60

    • SHA1

      6a547e796c48c17f7331ae4a1cd32f14cab1c232

    • SHA256

      77a3cdf055c31b5eaf642d84edb3273602fc5c1524807214135b5da94b3af77c

    • SHA512

      f7d01fef694e212b8e0e6a37ad983d006130e3b94062f25c61dbd86c4279e2b79aa775596964f5c95568e8887c42ebe44152d68d28ebb8fbcea8b899909e1166

    • SSDEEP

      24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYl:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YL

    • Azorult

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

    • Azorult family

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar family

    • 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