General

  • Target

    f3ad3af5291e86d9c2e9ccb25c1efa60N.exe

  • Size

    2.0MB

  • Sample

    240824-k55d1ssgrf

  • MD5

    f3ad3af5291e86d9c2e9ccb25c1efa60

  • SHA1

    61c4856b0c6e00abd7063d3f36659489c027a04f

  • SHA256

    19cdefdfcf927637375a3260639085cab720b92b163553eb39e6ba4e4924cdd1

  • SHA512

    cc4e02b79748ba63477fda430b58a14da00fffbe70e8dd39e246a67817b19ad04b7b6d8cdac81f0c112815dc058382e78513a1059057cda496fc6edc93122dfe

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYh:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YX

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

      f3ad3af5291e86d9c2e9ccb25c1efa60N.exe

    • Size

      2.0MB

    • MD5

      f3ad3af5291e86d9c2e9ccb25c1efa60

    • SHA1

      61c4856b0c6e00abd7063d3f36659489c027a04f

    • SHA256

      19cdefdfcf927637375a3260639085cab720b92b163553eb39e6ba4e4924cdd1

    • SHA512

      cc4e02b79748ba63477fda430b58a14da00fffbe70e8dd39e246a67817b19ad04b7b6d8cdac81f0c112815dc058382e78513a1059057cda496fc6edc93122dfe

    • SSDEEP

      24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYh:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YX

    • 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