General

  • Target

    a7c50465228b8a87dc31914f11d0720d33b2191171e9674c32cc774815dbd331N

  • Size

    2.0MB

  • Sample

    241011-c8nxfaxank

  • MD5

    35d64806c83e40323809a0f5d65cb010

  • SHA1

    89797682194294de224ce2aa895b7d4c437a831f

  • SHA256

    a7c50465228b8a87dc31914f11d0720d33b2191171e9674c32cc774815dbd331

  • SHA512

    dc570864b8fbf42766fde1b1da0f56bb4e53129ba06daa3d732f81acdeabfe39de323b78940cb0402cff296355b23fa783954b524269b72a3f346e807c9d63f5

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYj:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Y1

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

      a7c50465228b8a87dc31914f11d0720d33b2191171e9674c32cc774815dbd331N

    • Size

      2.0MB

    • MD5

      35d64806c83e40323809a0f5d65cb010

    • SHA1

      89797682194294de224ce2aa895b7d4c437a831f

    • SHA256

      a7c50465228b8a87dc31914f11d0720d33b2191171e9674c32cc774815dbd331

    • SHA512

      dc570864b8fbf42766fde1b1da0f56bb4e53129ba06daa3d732f81acdeabfe39de323b78940cb0402cff296355b23fa783954b524269b72a3f346e807c9d63f5

    • SSDEEP

      24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYj:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Y1

    • 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