General

  • Target

    3a4a38ed839a1f73825b8456fc1efa73a65a7af25ba3513472d05cfac5ecef78

  • Size

    2.0MB

  • Sample

    250124-2b89jstjbk

  • MD5

    7b88dc02a3b11e27a3e4595c442d30ea

  • SHA1

    2546ae7b96ffc096d2f4cf5093290d0a74c09948

  • SHA256

    3a4a38ed839a1f73825b8456fc1efa73a65a7af25ba3513472d05cfac5ecef78

  • SHA512

    9125ed37e104c25779ec7e402e4d55894a9e2764604f786bbc6c54918775eb48c46b0373a8800117c314ff9eb6c6ee2224f48aa0fd8bf7efaa30f98f8bf3c9b8

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYj:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yd

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

      3a4a38ed839a1f73825b8456fc1efa73a65a7af25ba3513472d05cfac5ecef78

    • Size

      2.0MB

    • MD5

      7b88dc02a3b11e27a3e4595c442d30ea

    • SHA1

      2546ae7b96ffc096d2f4cf5093290d0a74c09948

    • SHA256

      3a4a38ed839a1f73825b8456fc1efa73a65a7af25ba3513472d05cfac5ecef78

    • SHA512

      9125ed37e104c25779ec7e402e4d55894a9e2764604f786bbc6c54918775eb48c46b0373a8800117c314ff9eb6c6ee2224f48aa0fd8bf7efaa30f98f8bf3c9b8

    • SSDEEP

      24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYj:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yd

    • 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