General

  • Target

    Adobe Download Manager

  • Size

    2.0MB

  • Sample

    240917-n471as1gjh

  • MD5

    641dcd4d62f579ab232f5cf8cf646d13

  • SHA1

    64725085f77beafbe262809b424cad353e52cec5

  • SHA256

    cc99f7d26426295fc5435df450819ae9ed5a56d1b7ce020e47202bd7806fb288

  • SHA512

    4d0e31b904e594d2c59845e0c4a1129d389c25a93ae394f49ff89b74c0b998c63ef6538d2a65c1aca585d8173ba5d70cf42e51ba87bb4064b80bde071a6fbb1e

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYg:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Ye

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

      Adobe Download Manager

    • Size

      2.0MB

    • MD5

      641dcd4d62f579ab232f5cf8cf646d13

    • SHA1

      64725085f77beafbe262809b424cad353e52cec5

    • SHA256

      cc99f7d26426295fc5435df450819ae9ed5a56d1b7ce020e47202bd7806fb288

    • SHA512

      4d0e31b904e594d2c59845e0c4a1129d389c25a93ae394f49ff89b74c0b998c63ef6538d2a65c1aca585d8173ba5d70cf42e51ba87bb4064b80bde071a6fbb1e

    • SSDEEP

      24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYg:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Ye

    • 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