General

  • Target

    a888dcb3da5dd6fbdc2d51187975ec62696938d9a2e84f0b927e5840a522cc0b

  • Size

    2.0MB

  • Sample

    240815-csrcmavdkq

  • MD5

    864fa073b942b1b23b62fa012c06683d

  • SHA1

    36beb5c3b1c9743662c85ae78bb25e72cca03bb5

  • SHA256

    a888dcb3da5dd6fbdc2d51187975ec62696938d9a2e84f0b927e5840a522cc0b

  • SHA512

    bc428acb0c08f3083a05b564a59dcb78f635fd97d0f7b09f002418cd074941d9de15a537f8923a15f68507a0a682ad19f23a595b58d8b64708d133e72bcbb864

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYb:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yt

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

      a888dcb3da5dd6fbdc2d51187975ec62696938d9a2e84f0b927e5840a522cc0b

    • Size

      2.0MB

    • MD5

      864fa073b942b1b23b62fa012c06683d

    • SHA1

      36beb5c3b1c9743662c85ae78bb25e72cca03bb5

    • SHA256

      a888dcb3da5dd6fbdc2d51187975ec62696938d9a2e84f0b927e5840a522cc0b

    • SHA512

      bc428acb0c08f3083a05b564a59dcb78f635fd97d0f7b09f002418cd074941d9de15a537f8923a15f68507a0a682ad19f23a595b58d8b64708d133e72bcbb864

    • SSDEEP

      24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYb:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yt

    • 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