General

  • Target

    6a41ccf9673f3a80a5ed0a16d7963380N.exe

  • Size

    2.0MB

  • Sample

    240826-y845batglb

  • MD5

    6a41ccf9673f3a80a5ed0a16d7963380

  • SHA1

    27dc33431ab5fd657d13530a9c051d6849366744

  • SHA256

    af862c3bf344c477c5d0a1775f184db3221c7030077790d8fe14a072069ea162

  • SHA512

    377b575f656d4b6d8528a838ca5eac94fa8d6f22f887b558ec1939a6a4658ebd10023c3c8ec84fb455f3ea803c3681c7f265e15e479c0bba31a7398f604d3872

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKY9:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yr

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

      6a41ccf9673f3a80a5ed0a16d7963380N.exe

    • Size

      2.0MB

    • MD5

      6a41ccf9673f3a80a5ed0a16d7963380

    • SHA1

      27dc33431ab5fd657d13530a9c051d6849366744

    • SHA256

      af862c3bf344c477c5d0a1775f184db3221c7030077790d8fe14a072069ea162

    • SHA512

      377b575f656d4b6d8528a838ca5eac94fa8d6f22f887b558ec1939a6a4658ebd10023c3c8ec84fb455f3ea803c3681c7f265e15e479c0bba31a7398f604d3872

    • SSDEEP

      24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKY9:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yr

    • 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