Analysis

  • max time kernel
    145s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-06-2024 23:56

General

  • Target

    Neo.exe

  • Size

    348KB

  • MD5

    1e7a43037ad795c85258f3543636cae6

  • SHA1

    634d8def0e80e4791698d7e94b20dd8c5aba063c

  • SHA256

    cdd44caceb600c73a01b95c572142a59a35a23b1fb8e8e70cf920140366d3d09

  • SHA512

    443dc2ea997bc3dc51371313161ab9990ac3a1eed30cd2f414e08c9fdbc32c36a2b97813759b67394b3de8f19649256d8a1e1d87636efee065f8fc5487a71853

  • SSDEEP

    6144:ILL3HRsM+OFZcAHCJbFnrMr1TuT8igmMu:OVP+Myry1TuT8igmMu

Malware Config

Extracted

Family

quasar

Version

1.1.0

Botnet

Slave

C2

runderscore00-42512.portmap.io:42512

Mutex

QSR_MUTEX_aYgVTolyJfnSo2kPQj

Attributes
  • encryption_key

    PK7SpR1WESSqHBwmTfVi

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Client Startup

  • subdirectory

    SubDir

Signatures

  • Quasar RAT

    Quasar is an open source Remote Access Tool.

  • Quasar payload 1 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Neo.exe
    "C:\Users\Admin\AppData\Local\Temp\Neo.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    PID:5044

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/5044-0-0x0000000074A4E000-0x0000000074A4F000-memory.dmp

    Filesize

    4KB

  • memory/5044-1-0x0000000000120000-0x000000000017E000-memory.dmp

    Filesize

    376KB

  • memory/5044-2-0x0000000005180000-0x0000000005724000-memory.dmp

    Filesize

    5.6MB

  • memory/5044-3-0x0000000004BD0000-0x0000000004C62000-memory.dmp

    Filesize

    584KB

  • memory/5044-4-0x0000000074A40000-0x00000000751F0000-memory.dmp

    Filesize

    7.7MB

  • memory/5044-5-0x0000000004C70000-0x0000000004CD6000-memory.dmp

    Filesize

    408KB

  • memory/5044-6-0x0000000005120000-0x0000000005132000-memory.dmp

    Filesize

    72KB

  • memory/5044-7-0x0000000006010000-0x000000000604C000-memory.dmp

    Filesize

    240KB

  • memory/5044-9-0x00000000063A0000-0x00000000063AA000-memory.dmp

    Filesize

    40KB

  • memory/5044-10-0x0000000074A4E000-0x0000000074A4F000-memory.dmp

    Filesize

    4KB

  • memory/5044-11-0x0000000074A40000-0x00000000751F0000-memory.dmp

    Filesize

    7.7MB