General

  • Target

    0a3ddbc10d8e05bdbc441ac9feca3806b59637137043d60d0739fcde0e370d72N

  • Size

    2.0MB

  • Sample

    241010-mefn3stejg

  • MD5

    b38e54b4bf46e6a9bbdcdd7cc04183e0

  • SHA1

    53171456ade03057ce97e0139970100f19b82101

  • SHA256

    0a3ddbc10d8e05bdbc441ac9feca3806b59637137043d60d0739fcde0e370d72

  • SHA512

    071f136814c74e886ff4f56a00a2dc7e44465636a483ee5e96b772bf197d4f108c7c1349c21f51dfe3de9d5fed00ecc1a7bb3a36512b8d7a8e0053a290a955b5

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYc:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Ya

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

      0a3ddbc10d8e05bdbc441ac9feca3806b59637137043d60d0739fcde0e370d72N

    • Size

      2.0MB

    • MD5

      b38e54b4bf46e6a9bbdcdd7cc04183e0

    • SHA1

      53171456ade03057ce97e0139970100f19b82101

    • SHA256

      0a3ddbc10d8e05bdbc441ac9feca3806b59637137043d60d0739fcde0e370d72

    • SHA512

      071f136814c74e886ff4f56a00a2dc7e44465636a483ee5e96b772bf197d4f108c7c1349c21f51dfe3de9d5fed00ecc1a7bb3a36512b8d7a8e0053a290a955b5

    • SSDEEP

      24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYc:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Ya

    • 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