General

  • Target

    9b7dcc2d8ecac3dc64b410ca3651f299

  • Size

    2.0MB

  • Sample

    220726-ja1a5sfbam

  • MD5

    9b7dcc2d8ecac3dc64b410ca3651f299

  • SHA1

    563e65af6f97a1be3e5b80ea5232668a8c6fae58

  • SHA256

    3fda7ceb9cac9c1d842bcf1492bb9411190d402d51eeacd9e463ea102f7ccdc2

  • SHA512

    8a0b1d6985ea6adb1098e812c69ac6d14e11f67b518ca5ba9786d952ec84274d0e955119ea2124cf652bd028487b2e7d5682e00490c50ec9c23df511758642f1

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

      9b7dcc2d8ecac3dc64b410ca3651f299

    • Size

      2.0MB

    • MD5

      9b7dcc2d8ecac3dc64b410ca3651f299

    • SHA1

      563e65af6f97a1be3e5b80ea5232668a8c6fae58

    • SHA256

      3fda7ceb9cac9c1d842bcf1492bb9411190d402d51eeacd9e463ea102f7ccdc2

    • SHA512

      8a0b1d6985ea6adb1098e812c69ac6d14e11f67b518ca5ba9786d952ec84274d0e955119ea2124cf652bd028487b2e7d5682e00490c50ec9c23df511758642f1

    • 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

    • Executes dropped EXE

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • 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 v6

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Discovery

Query Registry

3
T1012

System Information Discovery

4
T1082

Peripheral Device Discovery

2
T1120

Remote System Discovery

1
T1018

Tasks