General

  • Target

    e5c0703597516cb6a38bf84e76048ccdee75fcd3196d8d789765af0189203795N.exe

  • Size

    2.0MB

  • Sample

    250107-l23axswnat

  • MD5

    eac57720e726a0705e982a4e43d7b930

  • SHA1

    5a709e723524cd5ef0549605b9071a10debec06c

  • SHA256

    e5c0703597516cb6a38bf84e76048ccdee75fcd3196d8d789765af0189203795

  • SHA512

    dfb27803678056fc26d83263ab74ec38c01395c9dc360f3240d11517169d4f5ddf5ebdacca6e5c7bd009d68bc87ea6a1e62e65de07afca692f56cfc43971b1f6

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYb:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yd

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

      e5c0703597516cb6a38bf84e76048ccdee75fcd3196d8d789765af0189203795N.exe

    • Size

      2.0MB

    • MD5

      eac57720e726a0705e982a4e43d7b930

    • SHA1

      5a709e723524cd5ef0549605b9071a10debec06c

    • SHA256

      e5c0703597516cb6a38bf84e76048ccdee75fcd3196d8d789765af0189203795

    • SHA512

      dfb27803678056fc26d83263ab74ec38c01395c9dc360f3240d11517169d4f5ddf5ebdacca6e5c7bd009d68bc87ea6a1e62e65de07afca692f56cfc43971b1f6

    • SSDEEP

      24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYb:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yd

    • Azorult

      An information stealer that was first discovered in 2016, targeting browsing history and passwords.

    • Azorult family

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar family

    • 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