General

  • Target

    1aa6dada75da0b91d3555f79cf9bebd0N.exe

  • Size

    2.0MB

  • Sample

    240824-a3nndaybpq

  • MD5

    1aa6dada75da0b91d3555f79cf9bebd0

  • SHA1

    5f061ae0a159857d6e05840112099d0c7edb5f7b

  • SHA256

    51c0d1a1e0fae88a14c5e103bd22c512f6157b4d14fe8079ffcdd1339996162e

  • SHA512

    228e0bef9041f81266511e2b3ade07aa866516e11683bf9477d1953625e57bd65583fcce256aa5c89cce3c6e49929a6e4105a129fbfcc194e61d89ab0957cb3e

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYD:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Y9

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

      1aa6dada75da0b91d3555f79cf9bebd0N.exe

    • Size

      2.0MB

    • MD5

      1aa6dada75da0b91d3555f79cf9bebd0

    • SHA1

      5f061ae0a159857d6e05840112099d0c7edb5f7b

    • SHA256

      51c0d1a1e0fae88a14c5e103bd22c512f6157b4d14fe8079ffcdd1339996162e

    • SHA512

      228e0bef9041f81266511e2b3ade07aa866516e11683bf9477d1953625e57bd65583fcce256aa5c89cce3c6e49929a6e4105a129fbfcc194e61d89ab0957cb3e

    • SSDEEP

      24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYD:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Y9

    • 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

    • 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 Enterprise v15

Tasks