Overview

overview

10

Static

static

10

43938a4a19...35.exe

windows7-x64

10

43938a4a19...35.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    43938a4a196d7d19aea149990dcabe9862775dae0db208e47b7540e606b05535

  • Size

    2.0MB

  • Sample

    240407-y9vl9seb25

  • MD5

    dc65386caaae3e0ca50393c3163ed4cd

  • SHA1

    b03d9b31429a5ea59fc48d582b05daa515353c7a

  • SHA256

    43938a4a196d7d19aea149990dcabe9862775dae0db208e47b7540e606b05535

  • SHA512

    f90c267ddb15786677a14b5149da17c1ca372cdd01da27ff408957c2ecbfd1291c20b98bc873dee23ee6224375ed20b4780cf84a767f089ce11c6d54cd753158

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKY/:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Y5

Score
10/10
azorultquasarebayprofilesinfostealerspywaretrojan

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

      43938a4a196d7d19aea149990dcabe9862775dae0db208e47b7540e606b05535

    • Size

      2.0MB

    • MD5

      dc65386caaae3e0ca50393c3163ed4cd

    • SHA1

      b03d9b31429a5ea59fc48d582b05daa515353c7a

    • SHA256

      43938a4a196d7d19aea149990dcabe9862775dae0db208e47b7540e606b05535

    • SHA512

      f90c267ddb15786677a14b5149da17c1ca372cdd01da27ff408957c2ecbfd1291c20b98bc873dee23ee6224375ed20b4780cf84a767f089ce11c6d54cd753158

    • SSDEEP

      24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKY/:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Y5

    Score
    10/10
    azorultquasarebayprofilesinfostealerspywaretrojan

    • Azorult

      An information stealer that was first discovered in 2016, targeting browsing history and passwords.

      trojaninfostealerazorult

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • 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

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

1
T1053

Persistence

Scheduled Task/Job

1
T1053

Privilege Escalation

Scheduled Task/Job

1
T1053

Defense Evasion

Credential Access

Discovery

Query Registry

2
T1012

System Information Discovery

3
T1082

Peripheral Device Discovery

1
T1120

Remote System Discovery

1
T1018

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks