General

  • Target

    b26e63bcd9394df3938ee34463e495bb.bin

  • Size

    1.0MB

  • Sample

    240831-b3zw3syfmm

  • MD5

    d083821669dd7f691d955eeb68207ab2

  • SHA1

    c84df1cfa5bb2c6a3706d922bf46feceeeb11e7d

  • SHA256

    08776ded83f82d768c5fb2481d6cdabd601fedd521f6ef785bdf85c66688f7ef

  • SHA512

    8dc83796ad80a237be8d35284cebe3070f5ac15a07cdf1d4fa8586349313c605216deeb53ce50067657e3392dde844a8488fce455190c0ee477a7b2b2340cf01

  • SSDEEP

    24576:AQAnGhiTRXHmCaNq00JYle/2ySxKP3WeCo0JYnkb:YYiTxdaNq+yuxwme+ekb

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

      c9bff2976429c2bf5aaebb22ff100e6b11f6e60e2bd085463f1fa42a288c6618.exe

    • Size

      2.0MB

    • MD5

      b26e63bcd9394df3938ee34463e495bb

    • SHA1

      405f3f9da7c1800d0b19959a1ec55ebb9abd7b62

    • SHA256

      c9bff2976429c2bf5aaebb22ff100e6b11f6e60e2bd085463f1fa42a288c6618

    • SHA512

      635b23b951f31563dd138e11e291d396497c28200d81bae8ad365d0c76c123b4b906ddad06e4a5ab9da36f1106cbb607fa20c117fabfc4593aba0db35fe7574b

    • SSDEEP

      24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYw:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Ye

    • 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