Overview

overview

10

Static

static

10

9a74598585...a5.exe

windows7-x64

10

9a74598585...a5.exe

windows10-2004-x64

10

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General

  • Target

    9a745985851e320444d5f5535eb6bb65ca3f66401f4e6d8870951588bff95ba5

  • Size

    2.0MB

  • Sample

    240402-bb1z3acd93

  • MD5

    41afb7fac25799cd1a27e5d5020e45d4

  • SHA1

    1efd3c28475c9fecdab4329dc738b4c85e8ff694

  • SHA256

    9a745985851e320444d5f5535eb6bb65ca3f66401f4e6d8870951588bff95ba5

  • SHA512

    2079ff3fdb3f6812e724db8f4e8a451b3a0a0be8f007b2e7500e0967110d59939d2d90ed80d53e39ae7170e15beffd02f4cd692872f3d8ea76e595f712e678b9

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYB:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yv

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

      9a745985851e320444d5f5535eb6bb65ca3f66401f4e6d8870951588bff95ba5

    • Size

      2.0MB

    • MD5

      41afb7fac25799cd1a27e5d5020e45d4

    • SHA1

      1efd3c28475c9fecdab4329dc738b4c85e8ff694

    • SHA256

      9a745985851e320444d5f5535eb6bb65ca3f66401f4e6d8870951588bff95ba5

    • SHA512

      2079ff3fdb3f6812e724db8f4e8a451b3a0a0be8f007b2e7500e0967110d59939d2d90ed80d53e39ae7170e15beffd02f4cd692872f3d8ea76e595f712e678b9

    • SSDEEP

      24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYB:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yv

    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