General

  • Target

    f6160644852c1d8ba584d5a2da6749b905c9f37d72a0d239f76c00eaa40f48f6N

  • Size

    2.0MB

  • Sample

    241012-stxtss1hrj

  • MD5

    b7f1de7e2c05646925ec2034aade1560

  • SHA1

    207cc8a93d6300ebe4ec3e644f40efb9dce29f76

  • SHA256

    f6160644852c1d8ba584d5a2da6749b905c9f37d72a0d239f76c00eaa40f48f6

  • SHA512

    80d3f672ad0d68db8bd712a132a1f9c3026012345ead099ec65ec58ab07b5746456ae315803d2bd169d419af30b9e42d1ebd770e1120f32e95a601e733a1165f

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYg:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yy

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

      f6160644852c1d8ba584d5a2da6749b905c9f37d72a0d239f76c00eaa40f48f6N

    • Size

      2.0MB

    • MD5

      b7f1de7e2c05646925ec2034aade1560

    • SHA1

      207cc8a93d6300ebe4ec3e644f40efb9dce29f76

    • SHA256

      f6160644852c1d8ba584d5a2da6749b905c9f37d72a0d239f76c00eaa40f48f6

    • SHA512

      80d3f672ad0d68db8bd712a132a1f9c3026012345ead099ec65ec58ab07b5746456ae315803d2bd169d419af30b9e42d1ebd770e1120f32e95a601e733a1165f

    • SSDEEP

      24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYg:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yy

    • 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