General

  • Target

    e8da69a1554d5d948726c5baa97ed050380a320d76ab1b62a9e35a16d2863447N

  • Size

    2.0MB

  • Sample

    240921-bg4yxayakj

  • MD5

    62143153f89d56142ad53638b4f32460

  • SHA1

    503cbc25ad047705d9a930ae8a23a6f1c3263c16

  • SHA256

    e8da69a1554d5d948726c5baa97ed050380a320d76ab1b62a9e35a16d2863447

  • SHA512

    1fd5cfa00a595bda12b00ca2a4075e18c8e5a4d5ff3615aea7c6382ffc80c5c5e2a92d15fec5c6fd4a8989df02cf6e6a19c3ba0791b6d6e48822f2708c6bf14a

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYE:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YW

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

      e8da69a1554d5d948726c5baa97ed050380a320d76ab1b62a9e35a16d2863447N

    • Size

      2.0MB

    • MD5

      62143153f89d56142ad53638b4f32460

    • SHA1

      503cbc25ad047705d9a930ae8a23a6f1c3263c16

    • SHA256

      e8da69a1554d5d948726c5baa97ed050380a320d76ab1b62a9e35a16d2863447

    • SHA512

      1fd5cfa00a595bda12b00ca2a4075e18c8e5a4d5ff3615aea7c6382ffc80c5c5e2a92d15fec5c6fd4a8989df02cf6e6a19c3ba0791b6d6e48822f2708c6bf14a

    • SSDEEP

      24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYE:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YW

    • 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