General

  • Target

    cc38554b00499e85149b2c1c0a22473e.bin

  • Size

    1.0MB

  • Sample

    231224-dth83secgr

  • MD5

    fe308caf0e02af3da14c95f6789daf8f

  • SHA1

    e2763f12c05ecb8cc5aec1fbb315e64bbb75a82e

  • SHA256

    82d83d04586cc7b9baa77b20e8a942e5bb590d1ad1e10d6f3d2a6c9216cf32cc

  • SHA512

    655c2f26f8a9bb6867b49b7a5d54b828b4b223775e1fb6303096d855042118ba37b506a05f2d09abdca7fd00880fc0d061d8ecbbd31c5228fa2363fb8d772381

  • SSDEEP

    24576:VrybC0c4IdPH/TjkBA48QJRvQUXEwuVtEwYtBj76GanLY2rmVszs7oqeIOvC:6HLyPfTABA3oJQUUwuv1GBj7VaLxQszg

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

      f8b6eddbe3fd90f45c93cfdaf71fe200371518c6f0c100e2aad9f193d7260c05.exe

    • Size

      2.0MB

    • MD5

      cc38554b00499e85149b2c1c0a22473e

    • SHA1

      13382965ec47a60dcf07aeadd7414f215099f564

    • SHA256

      f8b6eddbe3fd90f45c93cfdaf71fe200371518c6f0c100e2aad9f193d7260c05

    • SHA512

      0efe34a59ef8990aa40db6066128f44108c0bce914e450ba69cafae0664c3190cdbdfd0511e42a25e8f4d880e456ef2ccedcd690603e102ae4dcdf7170b2790c

    • SSDEEP

      24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYP: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

    • 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