General

  • Target

    4aa44450e32a2657323bc5c08c461058d0318db496b227ca3ce9a2af1d95cfcdN.exe

  • Size

    2.0MB

  • Sample

    250103-mwczhsyrft

  • MD5

    7b6ad46a65a6fae54d1932bdeabb88e0

  • SHA1

    0dcce5f926d6cd9d449923deca0f421fad2d68d6

  • SHA256

    4aa44450e32a2657323bc5c08c461058d0318db496b227ca3ce9a2af1d95cfcd

  • SHA512

    670bb0a3fda1d9b38b7dcfdd74f09ab1ddad71d353f3ac22bf828cdd0589d213970b7aceab33c350a57c3790b0d13416ad9696314036a4e646b247187856c2b0

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYC:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YI

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

      4aa44450e32a2657323bc5c08c461058d0318db496b227ca3ce9a2af1d95cfcdN.exe

    • Size

      2.0MB

    • MD5

      7b6ad46a65a6fae54d1932bdeabb88e0

    • SHA1

      0dcce5f926d6cd9d449923deca0f421fad2d68d6

    • SHA256

      4aa44450e32a2657323bc5c08c461058d0318db496b227ca3ce9a2af1d95cfcd

    • SHA512

      670bb0a3fda1d9b38b7dcfdd74f09ab1ddad71d353f3ac22bf828cdd0589d213970b7aceab33c350a57c3790b0d13416ad9696314036a4e646b247187856c2b0

    • SSDEEP

      24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYC:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YI

    • 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