General

  • Target

    728127a305c11041a0bf5f47585a2690N.exe

  • Size

    2.0MB

  • Sample

    240824-lyf9aavbjh

  • MD5

    728127a305c11041a0bf5f47585a2690

  • SHA1

    cf9fce7b4cdd219b35e362cca4b34e59a8cceeae

  • SHA256

    30bba28ab35e3016926592be36e6ace217853ca81075aeab51ff77b991f0c265

  • SHA512

    c7c6fdb8729f0727f6857c075ff5f21d10747db7d6ca9ff54a01a2d110e070c2f395632b3f4a70a1c24456398118e7d2abf8e6447ce4526a734592abd895c4e1

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKY5:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YL

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

      728127a305c11041a0bf5f47585a2690N.exe

    • Size

      2.0MB

    • MD5

      728127a305c11041a0bf5f47585a2690

    • SHA1

      cf9fce7b4cdd219b35e362cca4b34e59a8cceeae

    • SHA256

      30bba28ab35e3016926592be36e6ace217853ca81075aeab51ff77b991f0c265

    • SHA512

      c7c6fdb8729f0727f6857c075ff5f21d10747db7d6ca9ff54a01a2d110e070c2f395632b3f4a70a1c24456398118e7d2abf8e6447ce4526a734592abd895c4e1

    • SSDEEP

      24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKY5:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YL

    • 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