General

  • Target

    73bd1b1240bfe1e7ed1c961c0a505e70N.exe

  • Size

    2.0MB

  • Sample

    240813-px6pbstfmd

  • MD5

    73bd1b1240bfe1e7ed1c961c0a505e70

  • SHA1

    9dd3932ea7bd2922aa7f7215c8e5a3f81ec34ced

  • SHA256

    889d3ef6f4112182c4d4d2c9154fb9a881bd4dacd3ed7857c070ee958a378a80

  • SHA512

    4d28d1d1f570da7d076efc38e289a2df19b3cea31546dee504f303c86b968b01e3a691fb6caff4d93c1ca8232fb26c808430f6a0c779a3acbcfafe5b59daf6ce

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYu:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yo

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

      73bd1b1240bfe1e7ed1c961c0a505e70N.exe

    • Size

      2.0MB

    • MD5

      73bd1b1240bfe1e7ed1c961c0a505e70

    • SHA1

      9dd3932ea7bd2922aa7f7215c8e5a3f81ec34ced

    • SHA256

      889d3ef6f4112182c4d4d2c9154fb9a881bd4dacd3ed7857c070ee958a378a80

    • SHA512

      4d28d1d1f570da7d076efc38e289a2df19b3cea31546dee504f303c86b968b01e3a691fb6caff4d93c1ca8232fb26c808430f6a0c779a3acbcfafe5b59daf6ce

    • SSDEEP

      24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYu:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yo

    • 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