General

  • Target

    7cbf810172ea323ce4c360d9462e7c30N.exe

  • Size

    2.0MB

  • Sample

    240716-gsar4a1clh

  • MD5

    7cbf810172ea323ce4c360d9462e7c30

  • SHA1

    5e410032cf820541a777f6c2116f0be5f2bf66d2

  • SHA256

    cb1be42c3a1392c738b07af65bda4b7a9417780a50b95a8f2ddf0cdabd536092

  • SHA512

    c3c75070dd5bdf57828abab0997fea4c6ee30bda6e99f63a382770f86539bd96b7683b4f08c583f4c0bc745fa714ec51b7965dd799f1fa8594121b2e5a41aecb

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKY5:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YL

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

      7cbf810172ea323ce4c360d9462e7c30N.exe

    • Size

      2.0MB

    • MD5

      7cbf810172ea323ce4c360d9462e7c30

    • SHA1

      5e410032cf820541a777f6c2116f0be5f2bf66d2

    • SHA256

      cb1be42c3a1392c738b07af65bda4b7a9417780a50b95a8f2ddf0cdabd536092

    • SHA512

      c3c75070dd5bdf57828abab0997fea4c6ee30bda6e99f63a382770f86539bd96b7683b4f08c583f4c0bc745fa714ec51b7965dd799f1fa8594121b2e5a41aecb

    • SSDEEP

      24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKY5:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YL

    • 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