General

  • Target

    NEAS.72195e055793409ffde13c06a8e7b480.exe

  • Size

    2.0MB

  • Sample

    231111-wfb7qabb55

  • MD5

    72195e055793409ffde13c06a8e7b480

  • SHA1

    7b2a3c1025e16044925916654f653caa1562e905

  • SHA256

    cb7e2c90ab20e658ef0722c10d60214fda37192a9beadb1672d85cf50588c7bb

  • SHA512

    7d1b811db1a6c976a22ab7f5d4ee17d3659fc122c261cefef52ac5150d641a0c55a77c9c63e2089d5d332cca9d058caa3e66615c6469193aec8ffaadf8ee54f3

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKY2:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Y0

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

      NEAS.72195e055793409ffde13c06a8e7b480.exe

    • Size

      2.0MB

    • MD5

      72195e055793409ffde13c06a8e7b480

    • SHA1

      7b2a3c1025e16044925916654f653caa1562e905

    • SHA256

      cb7e2c90ab20e658ef0722c10d60214fda37192a9beadb1672d85cf50588c7bb

    • SHA512

      7d1b811db1a6c976a22ab7f5d4ee17d3659fc122c261cefef52ac5150d641a0c55a77c9c63e2089d5d332cca9d058caa3e66615c6469193aec8ffaadf8ee54f3

    • SSDEEP

      24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKY2:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Y0

    • 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 Matrix ATT&CK v13

Execution

Scheduled Task/Job

1
T1053

Persistence

Scheduled Task/Job

1
T1053

Privilege Escalation

Scheduled Task/Job

1
T1053

Discovery

Query Registry

3
T1012

System Information Discovery

4
T1082

Peripheral Device Discovery

2
T1120

Remote System Discovery

1
T1018

Tasks