General

  • Target

    Adobe Download Manager

  • Size

    2.0MB

  • Sample

    240916-vs238szdpl

  • MD5

    8df3728208c92aa58eb4fee95a0037ce

  • SHA1

    82e005dd61495c6bca6367061433a13188feeb8f

  • SHA256

    49287ec7fd145b3a0a5882dfed43529847f1ca2fab1ef771a96e4a6720f8d9db

  • SHA512

    46ee5bcdeae7c3ef54d38e10d002cae677c8e0d10d8e6e79efa4d3bb2f9fd26b5a8158009912ed2f7d8c4fd0a0120b3f88d43fd8831fceea9a5a1582d810abee

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYS:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yk

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

      Adobe Download Manager

    • Size

      2.0MB

    • MD5

      8df3728208c92aa58eb4fee95a0037ce

    • SHA1

      82e005dd61495c6bca6367061433a13188feeb8f

    • SHA256

      49287ec7fd145b3a0a5882dfed43529847f1ca2fab1ef771a96e4a6720f8d9db

    • SHA512

      46ee5bcdeae7c3ef54d38e10d002cae677c8e0d10d8e6e79efa4d3bb2f9fd26b5a8158009912ed2f7d8c4fd0a0120b3f88d43fd8831fceea9a5a1582d810abee

    • SSDEEP

      24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYS:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yk

    • 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