General

  • Target

    NEAS.504f9bf2b2574248bdc0f0f36dbfff20.exe

  • Size

    2.0MB

  • Sample

    231022-vv1cesdd2s

  • MD5

    504f9bf2b2574248bdc0f0f36dbfff20

  • SHA1

    f6b1022d0e0a8ede0c69c1e4be4e7f3c05a82138

  • SHA256

    95ef8ce551f79351560d1f8f973cf5bf2247dd25a58cb178be97b23764b95de0

  • SHA512

    124a376604657465076fbcf3a2a47e2583a6f6be2b884cbea148f583623bda1e0bd80ddbaad56a42a1e1d8cba000bc4c5a58448dd52d8a95024a8d1b1f80daf1

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKY0:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YS

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.504f9bf2b2574248bdc0f0f36dbfff20.exe

    • Size

      2.0MB

    • MD5

      504f9bf2b2574248bdc0f0f36dbfff20

    • SHA1

      f6b1022d0e0a8ede0c69c1e4be4e7f3c05a82138

    • SHA256

      95ef8ce551f79351560d1f8f973cf5bf2247dd25a58cb178be97b23764b95de0

    • SHA512

      124a376604657465076fbcf3a2a47e2583a6f6be2b884cbea148f583623bda1e0bd80ddbaad56a42a1e1d8cba000bc4c5a58448dd52d8a95024a8d1b1f80daf1

    • SSDEEP

      24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKY0:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YS

    • 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