General

  • Target

    NEAS.82339da9b0d225ecf2186b1525f72840.exe

  • Size

    2.0MB

  • Sample

    231203-y4t4jseh9y

  • MD5

    82339da9b0d225ecf2186b1525f72840

  • SHA1

    ce98cc9d4f8729575b4f0e5db0d42af8f7194d7c

  • SHA256

    54dd63d606a496420149d173ea0bfb21ec5e6bafdded2f1bf25042ccf8ca3edb

  • SHA512

    fa8b8894536c0fc6801046cda0f68822cfa268d649feca4cbbc11114e7a506b4a112570dd5642732e8f4fe67cd3047b684c6d36b5087423bd78b3f0027c7420d

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYr:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YV

Malware Config

Extracted

Family

azorult

C2

http://0x21.in:8000/_az/

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

Targets

    • Target

      NEAS.82339da9b0d225ecf2186b1525f72840.exe

    • Size

      2.0MB

    • MD5

      82339da9b0d225ecf2186b1525f72840

    • SHA1

      ce98cc9d4f8729575b4f0e5db0d42af8f7194d7c

    • SHA256

      54dd63d606a496420149d173ea0bfb21ec5e6bafdded2f1bf25042ccf8ca3edb

    • SHA512

      fa8b8894536c0fc6801046cda0f68822cfa268d649feca4cbbc11114e7a506b4a112570dd5642732e8f4fe67cd3047b684c6d36b5087423bd78b3f0027c7420d

    • SSDEEP

      24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYr:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YV

    • 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

Tasks