General

  • Target

    a71d11b5a3342630144b38c1e6144f3fa1db2fab560a1a15e63984e93f476d9eN

  • Size

    2.0MB

  • Sample

    241016-khngzswbll

  • MD5

    386be81df66358401e1f15650f20d290

  • SHA1

    3705ee0aab1ee903e17a2c30e67bd7bcc31ccabe

  • SHA256

    a71d11b5a3342630144b38c1e6144f3fa1db2fab560a1a15e63984e93f476d9e

  • SHA512

    44c3895365db1d8666008c8dca75007e300515a02b4dc8d5115c6e6b145515edd72101155b6f63a767c43404a46c0d714f622faf3ea9b53a3391181085456dfc

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYP:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yt

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

      a71d11b5a3342630144b38c1e6144f3fa1db2fab560a1a15e63984e93f476d9eN

    • Size

      2.0MB

    • MD5

      386be81df66358401e1f15650f20d290

    • SHA1

      3705ee0aab1ee903e17a2c30e67bd7bcc31ccabe

    • SHA256

      a71d11b5a3342630144b38c1e6144f3fa1db2fab560a1a15e63984e93f476d9e

    • SHA512

      44c3895365db1d8666008c8dca75007e300515a02b4dc8d5115c6e6b145515edd72101155b6f63a767c43404a46c0d714f622faf3ea9b53a3391181085456dfc

    • SSDEEP

      24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYP:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yt

    • 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