Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-06-2024 22:11

General

  • Target

    Poopy.exe

  • Size

    409KB

  • MD5

    ef652484dc356b0bc87741f24f2ade24

  • SHA1

    f988ef8700c1ed15fa42f9a5756471d6bc18c9c8

  • SHA256

    e5e973ff9fe9b009638fc6f8e3b10ca9acad76d2c6cf887f82b018e5a39aa225

  • SHA512

    fae5a830fc64a0599686368ca0d3826e4ada1ec383f6faae19054d61bee285442b7471c8f18faf4d378ea025128cab974c50a0cd8f8daf892c6107d812662fec

  • SSDEEP

    12288:2piREGJq1rKb/ZeCByGDYaQnsjYQNYNc:SwpJt4CVMs8+

Malware Config

Extracted

Family

quasar

Version

3.1.5

Botnet

SeroXen

C2

147.185.221.20:47638

Mutex

$Sxr-GV6wZsGZZMeZ3qfenc

Attributes
  • encryption_key

    pCYwpdVg3UP8ZY0FIEl9

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Windows Defender Anti-Malware Disable 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.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Poopy.exe
    "C:\Users\Admin\AppData\Local\Temp\Poopy.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3144
    • C:\Windows\SysWOW64\schtasks.exe
      "schtasks" /create /tn "Windows Defender Anti-Malware Disable Startup" /sc ONLOGON /tr "C:\Users\Admin\AppData\Local\Temp\Poopy.exe" /rl HIGHEST /f
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:3056

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/3144-0-0x00000000749FE000-0x00000000749FF000-memory.dmp

    Filesize

    4KB

  • memory/3144-1-0x0000000000250000-0x00000000002BC000-memory.dmp

    Filesize

    432KB

  • memory/3144-2-0x0000000005050000-0x00000000055F4000-memory.dmp

    Filesize

    5.6MB

  • memory/3144-3-0x0000000004BF0000-0x0000000004C82000-memory.dmp

    Filesize

    584KB

  • memory/3144-4-0x00000000749F0000-0x00000000751A0000-memory.dmp

    Filesize

    7.7MB

  • memory/3144-5-0x0000000004C90000-0x0000000004CF6000-memory.dmp

    Filesize

    408KB

  • memory/3144-6-0x00000000058A0000-0x00000000058B2000-memory.dmp

    Filesize

    72KB

  • memory/3144-7-0x0000000005DE0000-0x0000000005E1C000-memory.dmp

    Filesize

    240KB

  • memory/3144-9-0x0000000006520000-0x000000000652A000-memory.dmp

    Filesize

    40KB

  • memory/3144-10-0x00000000749FE000-0x00000000749FF000-memory.dmp

    Filesize

    4KB

  • memory/3144-11-0x00000000749F0000-0x00000000751A0000-memory.dmp

    Filesize

    7.7MB