General

  • Target

    46b8cc8d9e0aa996d62f5a9add956520N.exe

  • Size

    2.0MB

  • Sample

    240716-bys8qs1hkc

  • MD5

    46b8cc8d9e0aa996d62f5a9add956520

  • SHA1

    26955a9d83405ab4d5c0425bb21dbe0363213c57

  • SHA256

    4605adf4c7076a282c59aa46d2474008a5087b83dcc146155c2168d3127a306b

  • SHA512

    2ebdac6442c7a9814a6a771a6bad5b55f03d4bc490cc8f2f2af83993ec9f0c5ce1f595895f39b05cba916033dce8326d5a44d73264668609e0e4a314b9bca0d0

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYA:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YW

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

      46b8cc8d9e0aa996d62f5a9add956520N.exe

    • Size

      2.0MB

    • MD5

      46b8cc8d9e0aa996d62f5a9add956520

    • SHA1

      26955a9d83405ab4d5c0425bb21dbe0363213c57

    • SHA256

      4605adf4c7076a282c59aa46d2474008a5087b83dcc146155c2168d3127a306b

    • SHA512

      2ebdac6442c7a9814a6a771a6bad5b55f03d4bc490cc8f2f2af83993ec9f0c5ce1f595895f39b05cba916033dce8326d5a44d73264668609e0e4a314b9bca0d0

    • SSDEEP

      24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYA:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YW

    • 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