General

  • Target

    b8898efaa954fc0c03b9c39ddef10afed001d5a2807dfa033d938700035d1c8eN.exe

  • Size

    2.0MB

  • Sample

    250104-whvf3szphx

  • MD5

    e38088f4b0a31ef0137687f74aae8d10

  • SHA1

    aaa60d48c7cdf0ba35d913b54a19193b978f732e

  • SHA256

    b8898efaa954fc0c03b9c39ddef10afed001d5a2807dfa033d938700035d1c8e

  • SHA512

    00129f13004e63de02bd8f25346bd2abcf47aa5a6afa09cd9d1d7b3e81b6ecd2063c501dd7156484ae7e106e8aaccaed40b1a6376bfa6d5ba3d451b024279b9d

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKY7:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YF

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

      b8898efaa954fc0c03b9c39ddef10afed001d5a2807dfa033d938700035d1c8eN.exe

    • Size

      2.0MB

    • MD5

      e38088f4b0a31ef0137687f74aae8d10

    • SHA1

      aaa60d48c7cdf0ba35d913b54a19193b978f732e

    • SHA256

      b8898efaa954fc0c03b9c39ddef10afed001d5a2807dfa033d938700035d1c8e

    • SHA512

      00129f13004e63de02bd8f25346bd2abcf47aa5a6afa09cd9d1d7b3e81b6ecd2063c501dd7156484ae7e106e8aaccaed40b1a6376bfa6d5ba3d451b024279b9d

    • SSDEEP

      24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKY7:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YF

    • 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.

    • 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