General

  • Target

    9b96242dfa2b36075da4d46f6dfac560N

  • Size

    2.0MB

  • Sample

    240910-xxrjea1gpf

  • MD5

    9b96242dfa2b36075da4d46f6dfac560

  • SHA1

    594fb4e758054d8a86d7016632f903c46d832548

  • SHA256

    2f58f1f0fb95093416f37cbb12755c489d1fd7462c7282054a7f7fcb78d5818e

  • SHA512

    a2407e52572f54ff499a4312239858168a84f04ac444c10dce6ba6a08c4599066ef97f4dd168de0b8172a80b78982990e200cb11660ae718b4ce9b425308caa3

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYh:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YD

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

      9b96242dfa2b36075da4d46f6dfac560N

    • Size

      2.0MB

    • MD5

      9b96242dfa2b36075da4d46f6dfac560

    • SHA1

      594fb4e758054d8a86d7016632f903c46d832548

    • SHA256

      2f58f1f0fb95093416f37cbb12755c489d1fd7462c7282054a7f7fcb78d5818e

    • SHA512

      a2407e52572f54ff499a4312239858168a84f04ac444c10dce6ba6a08c4599066ef97f4dd168de0b8172a80b78982990e200cb11660ae718b4ce9b425308caa3

    • SSDEEP

      24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYh:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YD

    • 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