General

  • Target

    e886468a97d65a4b04a3b6d1d39ac100N.exe

  • Size

    2.0MB

  • Sample

    240804-k32v4s1hkl

  • MD5

    e886468a97d65a4b04a3b6d1d39ac100

  • SHA1

    908f4f7af1de597690dda18a1740dcfe7e2b8f0c

  • SHA256

    97a5f5784f944645a17d8a5ed467ccec4ed54dfd247e0fd780d85cb88f314d47

  • SHA512

    45dad39c1dc5dbe70f58a426c8c57ef5b0c97538ca0c55c7c056a2f4a163f047684fce9a970bf8d5aaad504282bd54c547c3356a5f2286a10220ef010332f354

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKY3:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yx

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

      e886468a97d65a4b04a3b6d1d39ac100N.exe

    • Size

      2.0MB

    • MD5

      e886468a97d65a4b04a3b6d1d39ac100

    • SHA1

      908f4f7af1de597690dda18a1740dcfe7e2b8f0c

    • SHA256

      97a5f5784f944645a17d8a5ed467ccec4ed54dfd247e0fd780d85cb88f314d47

    • SHA512

      45dad39c1dc5dbe70f58a426c8c57ef5b0c97538ca0c55c7c056a2f4a163f047684fce9a970bf8d5aaad504282bd54c547c3356a5f2286a10220ef010332f354

    • SSDEEP

      24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKY3:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yx

    • 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