General

  • Target

    0ce8e00fefb111e625fa5da3aef03f90f812e19d97c183ff4ef97225a955b3b4

  • Size

    2.0MB

  • Sample

    240429-w61yrshe63

  • MD5

    b3f33da9275e6b105b6d984cda7357c2

  • SHA1

    54689d296eaa75012adb39fc6d6da3813bfb5022

  • SHA256

    0ce8e00fefb111e625fa5da3aef03f90f812e19d97c183ff4ef97225a955b3b4

  • SHA512

    45347d0d765ec7b84da224d249c455a1ce14414c09f6e857beebed4b29f6a2c8dc34c18fdf116df4704e93080ec0c17467ff360c93b56c8c1a843903a221940a

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKY9:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yb

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

      0ce8e00fefb111e625fa5da3aef03f90f812e19d97c183ff4ef97225a955b3b4

    • Size

      2.0MB

    • MD5

      b3f33da9275e6b105b6d984cda7357c2

    • SHA1

      54689d296eaa75012adb39fc6d6da3813bfb5022

    • SHA256

      0ce8e00fefb111e625fa5da3aef03f90f812e19d97c183ff4ef97225a955b3b4

    • SHA512

      45347d0d765ec7b84da224d249c455a1ce14414c09f6e857beebed4b29f6a2c8dc34c18fdf116df4704e93080ec0c17467ff360c93b56c8c1a843903a221940a

    • SSDEEP

      24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKY9:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yb

    • 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

    • Detects Windows executables referencing non-Windows User-Agents

    • Detects executables containing common artifacts observed in infostealers

    • 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