General

  • Target

    204578b9d8eac4192c6030d9d89ac3c0N.exe

  • Size

    2.0MB

  • Sample

    240905-e9jefsthjd

  • MD5

    204578b9d8eac4192c6030d9d89ac3c0

  • SHA1

    85a86b115c10e99d69ab1accf3ff788d0cadaa2c

  • SHA256

    d056582aa0436c7229149ba1e158d7fe68a285c23a012dcc22113e59896954f2

  • SHA512

    5da12c29cd659e795704041e21fb14394d186c5a874ffa266d9fc8bf53f30c5ee5b2e36467c29415d66a1897c4a110a22740a4eac53540be3d00e815f6042437

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYZ:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yn

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

      204578b9d8eac4192c6030d9d89ac3c0N.exe

    • Size

      2.0MB

    • MD5

      204578b9d8eac4192c6030d9d89ac3c0

    • SHA1

      85a86b115c10e99d69ab1accf3ff788d0cadaa2c

    • SHA256

      d056582aa0436c7229149ba1e158d7fe68a285c23a012dcc22113e59896954f2

    • SHA512

      5da12c29cd659e795704041e21fb14394d186c5a874ffa266d9fc8bf53f30c5ee5b2e36467c29415d66a1897c4a110a22740a4eac53540be3d00e815f6042437

    • SSDEEP

      24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYZ:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yn

    • 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