General

  • Target

    5030311ed5ff8f6174f03228a3e36c8f92b63ac1a76687218b95498689e13cf2N.exe

  • Size

    2.0MB

  • Sample

    240925-v1k5paxeqq

  • MD5

    8e1f86bec1300fb9fe2f3ff2d31ab3b0

  • SHA1

    6051b54e859a3df854b4c171812a5dc37f440123

  • SHA256

    5030311ed5ff8f6174f03228a3e36c8f92b63ac1a76687218b95498689e13cf2

  • SHA512

    e1defa736fb9edf28218eda9839489ee74fd6fdb54ae80d449f656aa723c5052d9cc893975be5c0a51affdc0895a16145e184a1f6df79d4aff3d4a1a52f5932e

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKY7:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YN

Malware Config

Extracted

Family

azorult

C2

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

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

Targets

    • Target

      5030311ed5ff8f6174f03228a3e36c8f92b63ac1a76687218b95498689e13cf2N.exe

    • Size

      2.0MB

    • MD5

      8e1f86bec1300fb9fe2f3ff2d31ab3b0

    • SHA1

      6051b54e859a3df854b4c171812a5dc37f440123

    • SHA256

      5030311ed5ff8f6174f03228a3e36c8f92b63ac1a76687218b95498689e13cf2

    • SHA512

      e1defa736fb9edf28218eda9839489ee74fd6fdb54ae80d449f656aa723c5052d9cc893975be5c0a51affdc0895a16145e184a1f6df79d4aff3d4a1a52f5932e

    • SSDEEP

      24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKY7:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YN

    • 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