Overview

overview

10

Static

static

10

Uni.exe

windows10-1703-x64

10

Uni.exe

windows10-2004-x64

10

Uni.exe

windows11-21h2-x64

10

Analysis

  • max time kernel
    122s
  • max time network
    152s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240611-en
  • resource tags

    arch:x64arch:x86image:win11-20240611-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    02-07-2024 17:43

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General

  • Target

    Uni.exe

  • Size

    348KB

  • MD5

    d98814e594224fa06fb9bf4fbfc6ee90

  • SHA1

    db74c6e773f5575b9b4b05ae206c21827f9bae57

  • SHA256

    85a3c4d50a0e17ddc581206e4ac1a2f1220c16d562d6e894f5068972159ddca0

  • SHA512

    3436b3f7c6dc4c7696ccc4d4efaebd9cada8f4d2ee9b711bbe523e26813919fb58a265ea3f3195c45dde3930f2995fc1951e387eab7437198ce060b97fce96ee

  • SSDEEP

    6144:UzL3HRsM+OFZcZt3bfTGksNFbp1xzpCSgJuzKkgfzT:CVP+MMsNh97gJuzKkWzT

Score
10/10
quasarseroxenspywaretrojan

Malware Config

Extracted

Family

quasar

Version

15.5.0

Botnet

SeroXen

C2

paris-itself.gl.at.ply.gg:49485

Mutex

QSR_MUTEX_9sjCnkSDYeXTl5L2qC

Attributes
  • encryption_key

    jKIJSX0QMuirSu2Asapm

  • install_name

    $sxr-powershell.exe

  • log_directory

    $sxr-Logs

  • reconnect_delay

    3000

  • startup_key

    Taskmgr

  • subdirectory

    $sxr-seroxen2

Signatures

  • Quasar RAT

    Quasar is an open source Remote Access Tool.

    trojanspywarequasar
  • 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\Uni.exe
    "C:\Users\Admin\AppData\Local\Temp\Uni.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    PID:4200

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/4200-0-0x0000000074EFE000-0x0000000074EFF000-memory.dmp
    Filesize

    4KB

    Download
  • memory/4200-1-0x0000000000020000-0x000000000007E000-memory.dmp
    Filesize

    376KB

    Download
  • memory/4200-2-0x00000000050C0000-0x0000000005666000-memory.dmp
    Filesize

    5.6MB

    Download
  • memory/4200-3-0x0000000004C50000-0x0000000004CE2000-memory.dmp
    Filesize

    584KB

    Download
  • memory/4200-4-0x0000000074EF0000-0x00000000756A1000-memory.dmp
    Filesize

    7.7MB

    Download
  • memory/4200-5-0x0000000004BB0000-0x0000000004C16000-memory.dmp
    Filesize

    408KB

    Download
  • memory/4200-6-0x0000000005870000-0x0000000005882000-memory.dmp
    Filesize

    72KB

    Download
  • memory/4200-7-0x0000000005DA0000-0x0000000005DDC000-memory.dmp
    Filesize

    240KB

    Download
  • memory/4200-9-0x0000000006120000-0x000000000612A000-memory.dmp
    Filesize

    40KB

    Download
  • memory/4200-10-0x0000000074EFE000-0x0000000074EFF000-memory.dmp
    Filesize

    4KB

    Download
  • memory/4200-11-0x0000000074EF0000-0x00000000756A1000-memory.dmp
    Filesize

    7.7MB

    Download