General

  • Target

    43674e88123607f3575eb58352d4d2fc687a3eab3b5f2a17155b7522d153eb29

  • Size

    2.0MB

  • Sample

    241020-z35dkasdmm

  • MD5

    09d2206da18e8d0aa8e8f5e01a3c295d

  • SHA1

    5d1a504b15ab8c7429bb8a8d7fd4c88f78ac8dea

  • SHA256

    43674e88123607f3575eb58352d4d2fc687a3eab3b5f2a17155b7522d153eb29

  • SHA512

    36a08aed529321610648f0ff5ccccb68909d9ddbb32fcb870d5827cf0ba543df5235a374128c07624b6c8b572ac87e7ab242b79ebb37d567368d89321923ad2d

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYb:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YV

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

      43674e88123607f3575eb58352d4d2fc687a3eab3b5f2a17155b7522d153eb29

    • Size

      2.0MB

    • MD5

      09d2206da18e8d0aa8e8f5e01a3c295d

    • SHA1

      5d1a504b15ab8c7429bb8a8d7fd4c88f78ac8dea

    • SHA256

      43674e88123607f3575eb58352d4d2fc687a3eab3b5f2a17155b7522d153eb29

    • SHA512

      36a08aed529321610648f0ff5ccccb68909d9ddbb32fcb870d5827cf0ba543df5235a374128c07624b6c8b572ac87e7ab242b79ebb37d567368d89321923ad2d

    • SSDEEP

      24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYb:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YV

    • 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.

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks