General

  • Target

    79089643736164d0100b69bdc309b4aa69f87f3c915bb80bed31f122e77c760a

  • Size

    2.0MB

  • Sample

    240621-258j4svbra

  • MD5

    b1f94dcb56edf7117429cfb1d64b1ded

  • SHA1

    a06a8280e6b605fbb2ca278df1be1be4e979a8e7

  • SHA256

    79089643736164d0100b69bdc309b4aa69f87f3c915bb80bed31f122e77c760a

  • SHA512

    47ffbcc807df8ab2b827bcebc23cacbb3f2e831790d3c37de2bffcedcad0c88513c97973ee96941ccd96c1bc0bd5ae4fef65be7d5e3306c721a692a91991df45

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYt:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yn

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

      79089643736164d0100b69bdc309b4aa69f87f3c915bb80bed31f122e77c760a

    • Size

      2.0MB

    • MD5

      b1f94dcb56edf7117429cfb1d64b1ded

    • SHA1

      a06a8280e6b605fbb2ca278df1be1be4e979a8e7

    • SHA256

      79089643736164d0100b69bdc309b4aa69f87f3c915bb80bed31f122e77c760a

    • SHA512

      47ffbcc807df8ab2b827bcebc23cacbb3f2e831790d3c37de2bffcedcad0c88513c97973ee96941ccd96c1bc0bd5ae4fef65be7d5e3306c721a692a91991df45

    • SSDEEP

      24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYt:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yn

    • 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.

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v13

Execution

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Persistence

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Discovery

Query Registry

2
T1012

System Information Discovery

3
T1082

Peripheral Device Discovery

1
T1120

Remote System Discovery

1
T1018

Tasks