General

  • Target

    856ed8013769af776eef34ca1d294c1d8746407e7b51c2380b9da7501f4cb53d

  • Size

    2.0MB

  • Sample

    240627-3rbtnaygja

  • MD5

    8d07d5f9e4d8868c87a2319720478ec7

  • SHA1

    92d1a1d47a79a359020d8b8bf8741d8f3e2a213a

  • SHA256

    856ed8013769af776eef34ca1d294c1d8746407e7b51c2380b9da7501f4cb53d

  • SHA512

    e56f18a795bc2d29a3b1957bbc7cdc641d9b366cc1502a1087c6a5b0c3d628f11d8887ef75ed9f79c7fd8cd572fbd99296602afdd5dc805357aa476ac5dbde3e

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYP:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YV

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

      856ed8013769af776eef34ca1d294c1d8746407e7b51c2380b9da7501f4cb53d

    • Size

      2.0MB

    • MD5

      8d07d5f9e4d8868c87a2319720478ec7

    • SHA1

      92d1a1d47a79a359020d8b8bf8741d8f3e2a213a

    • SHA256

      856ed8013769af776eef34ca1d294c1d8746407e7b51c2380b9da7501f4cb53d

    • SHA512

      e56f18a795bc2d29a3b1957bbc7cdc641d9b366cc1502a1087c6a5b0c3d628f11d8887ef75ed9f79c7fd8cd572fbd99296602afdd5dc805357aa476ac5dbde3e

    • SSDEEP

      24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYP:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YV

    • 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.

    • 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