General

  • Target

    9528643a54d1c5bf778380ffcffc0640N.exe

  • Size

    2.0MB

  • Sample

    240822-rwqylavbqp

  • MD5

    9528643a54d1c5bf778380ffcffc0640

  • SHA1

    c485ef36dd7640e4f924416d4c312e1a02b53988

  • SHA256

    df7a0746ef7aa77cf4768a8401f4f099d53775c02105ff69b09c5c7418a04408

  • SHA512

    1f25e23ce74d2b6da2ae150612991d9413fae7d72895f0733acf4d97d506dcd74bea583ff824d1ea5d7147a9602357dbd240ed1372f23476f2c959fd7ab79a54

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKY8:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yi

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

      9528643a54d1c5bf778380ffcffc0640N.exe

    • Size

      2.0MB

    • MD5

      9528643a54d1c5bf778380ffcffc0640

    • SHA1

      c485ef36dd7640e4f924416d4c312e1a02b53988

    • SHA256

      df7a0746ef7aa77cf4768a8401f4f099d53775c02105ff69b09c5c7418a04408

    • SHA512

      1f25e23ce74d2b6da2ae150612991d9413fae7d72895f0733acf4d97d506dcd74bea583ff824d1ea5d7147a9602357dbd240ed1372f23476f2c959fd7ab79a54

    • SSDEEP

      24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKY8:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yi

    • 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 Enterprise v15

Tasks