General

  • Target

    0881f92d55c68fa3a6001b44493e546123fa9a2fb7c1e8683a375ff344bc7fca

  • Size

    2.0MB

  • Sample

    240602-w4hpeaaf6v

  • MD5

    40fe3f6effff7596e593c7ecd56502a3

  • SHA1

    4b384c82d3cca32ea9e9bae8dc7af1e4334fed51

  • SHA256

    0881f92d55c68fa3a6001b44493e546123fa9a2fb7c1e8683a375ff344bc7fca

  • SHA512

    1b3426aef8e0eaff11b2fed8cec1db85bacec1027bc5c0e32aea329fc7f809747c5a961ada6b9bd7f93c509dde91b3051efeac8af5d8e216e04bb80fa5246109

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYJ:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Y/

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

      0881f92d55c68fa3a6001b44493e546123fa9a2fb7c1e8683a375ff344bc7fca

    • Size

      2.0MB

    • MD5

      40fe3f6effff7596e593c7ecd56502a3

    • SHA1

      4b384c82d3cca32ea9e9bae8dc7af1e4334fed51

    • SHA256

      0881f92d55c68fa3a6001b44493e546123fa9a2fb7c1e8683a375ff344bc7fca

    • SHA512

      1b3426aef8e0eaff11b2fed8cec1db85bacec1027bc5c0e32aea329fc7f809747c5a961ada6b9bd7f93c509dde91b3051efeac8af5d8e216e04bb80fa5246109

    • SSDEEP

      24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYJ:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Y/

    • 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

    • Detects Windows executables referencing non-Windows User-Agents

    • Detects executables containing common artifacts observed in infostealers

    • 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