General

  • Target

    Adobe Download Manager

  • Size

    2.0MB

  • Sample

    240917-eld5tstdlh

  • MD5

    5cb81f5930479b4b6daa723dd729f59b

  • SHA1

    91f08af9c1a54817931c6bfe31a071ce09285447

  • SHA256

    b1244017bdb824546276f693dbff484f27a759ab5ca956735cc1285d15d22269

  • SHA512

    5ef9b31ac77a40666d1b43602c4875c07cbdba16862ace2fdc17cdf938d2bf6b5e6d7eda72ace35b395bebb602bb38d4d296bb511f9d1e24341e9d7f50060012

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYw: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

      Adobe Download Manager

    • Size

      2.0MB

    • MD5

      5cb81f5930479b4b6daa723dd729f59b

    • SHA1

      91f08af9c1a54817931c6bfe31a071ce09285447

    • SHA256

      b1244017bdb824546276f693dbff484f27a759ab5ca956735cc1285d15d22269

    • SHA512

      5ef9b31ac77a40666d1b43602c4875c07cbdba16862ace2fdc17cdf938d2bf6b5e6d7eda72ace35b395bebb602bb38d4d296bb511f9d1e24341e9d7f50060012

    • SSDEEP

      24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYw: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