General

  • Target

    eeec820df52d72538a05989c3371c74a02622ee6da11bffefd5aef456d719e49N

  • Size

    2.0MB

  • Sample

    241017-qsdnessgln

  • MD5

    22dcf13c8c7773b9f71214f165cd4fe0

  • SHA1

    bcbaf372629a11b3e986d0953d94b80a91124f50

  • SHA256

    eeec820df52d72538a05989c3371c74a02622ee6da11bffefd5aef456d719e49

  • SHA512

    d66efdd83bb4517a9fee2a70f3aa23f498acd3b249feaa81bf00f0346bce5c9b31dfe566bdfba84cefc7cc8d721d0858374117c1f03966a9783d02bf05a1e871

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKY+:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Y4

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

      eeec820df52d72538a05989c3371c74a02622ee6da11bffefd5aef456d719e49N

    • Size

      2.0MB

    • MD5

      22dcf13c8c7773b9f71214f165cd4fe0

    • SHA1

      bcbaf372629a11b3e986d0953d94b80a91124f50

    • SHA256

      eeec820df52d72538a05989c3371c74a02622ee6da11bffefd5aef456d719e49

    • SHA512

      d66efdd83bb4517a9fee2a70f3aa23f498acd3b249feaa81bf00f0346bce5c9b31dfe566bdfba84cefc7cc8d721d0858374117c1f03966a9783d02bf05a1e871

    • SSDEEP

      24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKY+:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Y4

    • 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.

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks