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
    147s
  • max time network
    153s
  • platform
    windows10-1703_x64
  • resource
    win10-20240404-en
  • resource tags

    arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
  • submitted
    30-06-2024 19:33

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General

  • Target

    Uni.exe

  • Size

    348KB

  • MD5

    2c6a48d7339cbf28d46ee837fd2c64b9

  • SHA1

    b72ed6d53b252117f4159908adbc6694e6d73dc5

  • SHA256

    45213c63aaaf31c6b3a20b632e6b6f0efcc5ca693528bff63d02752f48f17590

  • SHA512

    ee1ed8b2efcbc08f811a4fc85fa68ec7bc698bb8be9c4856f82113533097c5e960e03bac4a0fb45f53fa7fb3acff49e32a0ce585e427d6245b4c6106c56b573d

  • SSDEEP

    6144:d7EHwNHJsa2fqt+XoDk8Q/7ew6sQ2dD0S+AxE6mlZ8ebMZJLlKtCmIEOfYsQhm+P:txpsanAHKQmIVfYsQJie

Score
10/10
quasarcryptedspywaretrojan

Malware Config

Extracted

Family

quasar

Version

15.5.0

Botnet

Crypted

C2

147.185.221.20:49485

Mutex

QSR_MUTEX_k8eftMEuU7a4TIUS2H

Attributes
  • encryption_key

    7VNoqFBD2kgjE7AIWeFj

  • 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.

    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:5064

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/5064-0-0x0000000073D0E000-0x0000000073D0F000-memory.dmp
    Filesize

    4KB

    Download
  • memory/5064-1-0x0000000000400000-0x000000000045E000-memory.dmp
    Filesize

    376KB

    Download
  • memory/5064-2-0x0000000005170000-0x000000000566E000-memory.dmp
    Filesize

    5.0MB

    Download
  • memory/5064-3-0x0000000004DA0000-0x0000000004E32000-memory.dmp
    Filesize

    584KB

    Download
  • memory/5064-4-0x0000000073D00000-0x00000000743EE000-memory.dmp
    Filesize

    6.9MB

    Download
  • memory/5064-5-0x0000000004D00000-0x0000000004D66000-memory.dmp
    Filesize

    408KB

    Download
  • memory/5064-6-0x0000000005140000-0x0000000005152000-memory.dmp
    Filesize

    72KB

    Download
  • memory/5064-7-0x0000000005D40000-0x0000000005D7E000-memory.dmp
    Filesize

    248KB

    Download
  • memory/5064-9-0x0000000006190000-0x000000000619A000-memory.dmp
    Filesize

    40KB

    Download
  • memory/5064-10-0x0000000073D0E000-0x0000000073D0F000-memory.dmp
    Filesize

    4KB

    Download
  • memory/5064-11-0x0000000073D00000-0x00000000743EE000-memory.dmp
    Filesize

    6.9MB

    Download