Overview

overview

10

Static

static

10

90a58064c6...62.exe

windows7-x64

10

90a58064c6...62.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    126s
  • max time network
    136s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    29-06-2024 01:34

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General

  • Target

    90a58064c6df293fc564fa5b616c737f6fd31f6288433da2030ec56d6dc46962.exe

  • Size

    409KB

  • MD5

    808d880b4fc7f865fb607337690b5575

  • SHA1

    7782ec3da7a6f8ed196d4431c59d50690580ac39

  • SHA256

    90a58064c6df293fc564fa5b616c737f6fd31f6288433da2030ec56d6dc46962

  • SHA512

    7a7ee833835d9469a1a5b48a5cbf9c902f362d82ad37b2ba99944e692b4322c140d770dc7be30f8ace7b84d6508e4d2e5f2007294ca3c07094bbfca8120ec6a8

  • SSDEEP

    12288:KpsD64e1Muxkk3abqow6dL+32oJN/nSjCt1hw:OsG4kMUQU6E3NN/nk

Score
10/10
quasarseroxenspywaretrojan

Malware Config

Extracted

Family

quasar

Version

3.1.5

Botnet

SeroXen

C2

feel-barcelona.gl.at.ply.gg:47655

Mutex

$Sxr-GV6wZsGZZMeZ3qfenc

Attributes
  • encryption_key

    OyypB9RDbCUrmPK8uTim

  • 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.

    trojanspywarequasar
  • Quasar payload 1 IoCs
  • Detects Windows executables referencing non-Windows User-Agents 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.

    persistenceexecution
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\90a58064c6df293fc564fa5b616c737f6fd31f6288433da2030ec56d6dc46962.exe
    "C:\Users\Admin\AppData\Local\Temp\90a58064c6df293fc564fa5b616c737f6fd31f6288433da2030ec56d6dc46962.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2188
    • C:\Windows\SysWOW64\schtasks.exe
      "schtasks" /create /tn "Windows Defender Anti-Malware Disable Startup" /sc ONLOGON /tr "C:\Users\Admin\AppData\Local\Temp\90a58064c6df293fc564fa5b616c737f6fd31f6288433da2030ec56d6dc46962.exe" /rl HIGHEST /f
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:2648

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Persistence

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

  • memory/2188-0-0x00000000746DE000-0x00000000746DF000-memory.dmp
    Filesize

    4KB

    Download
  • memory/2188-1-0x0000000000090000-0x00000000000FC000-memory.dmp
    Filesize

    432KB

    Download
  • memory/2188-2-0x00000000746D0000-0x0000000074DBE000-memory.dmp
    Filesize

    6.9MB

    Download
  • memory/2188-4-0x00000000746DE000-0x00000000746DF000-memory.dmp
    Filesize

    4KB

    Download
  • memory/2188-5-0x00000000746D0000-0x0000000074DBE000-memory.dmp
    Filesize

    6.9MB

    Download