General

  • Target

    887882ba907c0f9196f6b42b76005250N

  • Size

    2.0MB

  • Sample

    240908-twrw1awapm

  • MD5

    887882ba907c0f9196f6b42b76005250

  • SHA1

    d2bd39841a48625bd7a73b3ddce0c7c6a20033b9

  • SHA256

    a3be0557368e88d782364a647eff37e6d41bc10aeb6e9747de39979d96ccc044

  • SHA512

    bf6b2ba6231cbd854b3a7ba06dc570fdace30a9ecdbef9a120b955c0836aca567e1c84f5e48c829e8bcbb680717d6528fc57e2b8af548495e23260619e5606db

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYI:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YS

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

      887882ba907c0f9196f6b42b76005250N

    • Size

      2.0MB

    • MD5

      887882ba907c0f9196f6b42b76005250

    • SHA1

      d2bd39841a48625bd7a73b3ddce0c7c6a20033b9

    • SHA256

      a3be0557368e88d782364a647eff37e6d41bc10aeb6e9747de39979d96ccc044

    • SHA512

      bf6b2ba6231cbd854b3a7ba06dc570fdace30a9ecdbef9a120b955c0836aca567e1c84f5e48c829e8bcbb680717d6528fc57e2b8af548495e23260619e5606db

    • SSDEEP

      24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYI:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YS

    • 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