General

  • Target

    32ef85fdccfd02a799bb8e2067eb358938d967fde1b8b02bc9e8498f090ac92a

  • Size

    2.0MB

  • Sample

    240324-xm3hxsaa7w

  • MD5

    1cc92b360b0430a3cdaca8ea25eceeef

  • SHA1

    6810d293418468251950126879fb1c29b9446355

  • SHA256

    32ef85fdccfd02a799bb8e2067eb358938d967fde1b8b02bc9e8498f090ac92a

  • SHA512

    d18fc370d2777b900acdfe881dbfc1d5febdfd09964f5dc252498b3aa8c5f3e5afe6d08b8dbe8095467a37a9201b527fa26be95d6697c2d71d7f657ef981eb96

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYV:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YH

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

      32ef85fdccfd02a799bb8e2067eb358938d967fde1b8b02bc9e8498f090ac92a

    • Size

      2.0MB

    • MD5

      1cc92b360b0430a3cdaca8ea25eceeef

    • SHA1

      6810d293418468251950126879fb1c29b9446355

    • SHA256

      32ef85fdccfd02a799bb8e2067eb358938d967fde1b8b02bc9e8498f090ac92a

    • SHA512

      d18fc370d2777b900acdfe881dbfc1d5febdfd09964f5dc252498b3aa8c5f3e5afe6d08b8dbe8095467a37a9201b527fa26be95d6697c2d71d7f657ef981eb96

    • SSDEEP

      24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYV:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YH

    • 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