Analysis

  • max time kernel
    15s
  • max time network
    106s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    24-01-2025 08:18

General

  • Target

    03854da09c467b1ced2223a10fd1c9f281f3527a84651cec9930e5f42ba2cc03N.exe

  • Size

    916KB

  • MD5

    379bfcd9546c02dfbd06afbc9140c000

  • SHA1

    a5787f9734d0dd42cd220ae3c1fa85868affb999

  • SHA256

    03854da09c467b1ced2223a10fd1c9f281f3527a84651cec9930e5f42ba2cc03

  • SHA512

    5fb98423f6f2684a8e04e6e0894214e27529c80c6dbb6e346922abbc1213b62e698f7e251d658e7d2fb18ba7a2023c28e86359c15de37e9eb13e9f634ab3e2cb

  • SSDEEP

    24576:u3zSBJk4l/5b1nhD6g+0yQEuTLusJLK1lkloLX:azSBJk4l/5b1nhD6g+0yQEuRk1lk

Malware Config

Extracted

Family

quasar

Version

2.8.0.1

Botnet

Comquedinhaacoisaanda

C2

190.102.40.205:5552

Mutex

PfN9Ye1THuAjieZbW1

Attributes
  • encryption_key

    m4bU7sJJzbSU2TB27KbW

  • install_name

    Venom.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Venom Client Startup

Signatures

  • Quasar RAT

    Quasar is an open source Remote Access Tool.

  • Quasar family
  • 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.

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\03854da09c467b1ced2223a10fd1c9f281f3527a84651cec9930e5f42ba2cc03N.exe
    "C:\Users\Admin\AppData\Local\Temp\03854da09c467b1ced2223a10fd1c9f281f3527a84651cec9930e5f42ba2cc03N.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:3012

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/3012-0-0x000000007415E000-0x000000007415F000-memory.dmp

    Filesize

    4KB

  • memory/3012-1-0x0000000000BB0000-0x0000000000C9C000-memory.dmp

    Filesize

    944KB

  • memory/3012-2-0x0000000074150000-0x000000007483E000-memory.dmp

    Filesize

    6.9MB

  • memory/3012-3-0x000000007415E000-0x000000007415F000-memory.dmp

    Filesize

    4KB

  • memory/3012-4-0x0000000074150000-0x000000007483E000-memory.dmp

    Filesize

    6.9MB