Overview

overview

10

Static

static

10

smss.exe

windows7-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    21-06-2024 06:44

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General

  • Target

    smss.exe

  • Size

    3.1MB

  • MD5

    bf04688e0d33e2a1b305c5cfe9dae94d

  • SHA1

    ee3924572b0ae9a0534e1c1e632fca12ea944f73

  • SHA256

    b088c1a59ca35c08c61fcbf4879c025177c1a46d34be546b031d82a478b6291a

  • SHA512

    e4917c80ebf40bcf5ad40c51f38e7c3b74d35be7b9a656c4592fed6d8c4f5b6d3f22eb694d4ecb37f5d5cbe0bf881a4ad3134576244e7d6f7e4655f86d7b29e3

  • SSDEEP

    49152:DvilL26AaNeWgPhlmVqvMQ7XSKNT+ICoGdwaTHHB72eh2NT:DvaL26AaNeWgPhlmVqkQ7XSKNT+j

Score
10/10
quasaroffice04spywaretrojan

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

carolina-reverse.gl.at.ply.gg:34609

Mutex

255a7afd-a9a3-4b9f-b4bc-647ca1724a1a

Attributes
  • encryption_key

    524892BD8A433CE8E6A342E36737F573CEF5D252

  • 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
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\smss.exe
    "C:\Users\Admin\AppData\Local\Temp\smss.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2156

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/2156-0-0x000007FEF5F23000-0x000007FEF5F24000-memory.dmp
    Filesize

    4KB

    Download
  • memory/2156-1-0x0000000000960000-0x0000000000C84000-memory.dmp
    Filesize

    3.1MB

    Download
  • memory/2156-2-0x000007FEF5F20000-0x000007FEF690C000-memory.dmp
    Filesize

    9.9MB

    Download
  • memory/2156-3-0x000007FEF5F23000-0x000007FEF5F24000-memory.dmp
    Filesize

    4KB

    Download
  • memory/2156-4-0x000007FEF5F20000-0x000007FEF690C000-memory.dmp
    Filesize

    9.9MB

    Download