General

  • Target

    760d1df67b31599e46ae064d183e44f511acfa7c2d5f6241fe96bf6e484e7dab

  • Size

    2.0MB

  • Sample

    210928-kz2qyabchn

  • MD5

    2b4920084ac84be5c135d824c239096a

  • SHA1

    1e236619b53ae18fc20084e5c51c060b7d3e2487

  • SHA256

    760d1df67b31599e46ae064d183e44f511acfa7c2d5f6241fe96bf6e484e7dab

  • SHA512

    4135bb603ca580a47784bb6fee3caeffe77147689931f258c77ddfb6d81eeaa5813628ec6bc776902659277f208ae5e6288f87bc759c453d64da3c44059377af

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

      760d1df67b31599e46ae064d183e44f511acfa7c2d5f6241fe96bf6e484e7dab

    • Size

      2.0MB

    • MD5

      2b4920084ac84be5c135d824c239096a

    • SHA1

      1e236619b53ae18fc20084e5c51c060b7d3e2487

    • SHA256

      760d1df67b31599e46ae064d183e44f511acfa7c2d5f6241fe96bf6e484e7dab

    • SHA512

      4135bb603ca580a47784bb6fee3caeffe77147689931f258c77ddfb6d81eeaa5813628ec6bc776902659277f208ae5e6288f87bc759c453d64da3c44059377af

    • Azorult

      An information stealer that was first discovered in 2016, targeting browsing history and passwords.

    • Quasar Payload

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • 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.

    • Suspicious use of SetThreadContext

    • autoit_exe

      AutoIT scripts compiled to PE executables.

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

2
T1012

Peripheral Device Discovery

2
T1120

System Information Discovery

3
T1082

Remote System Discovery

1
T1018

Tasks