Overview

overview

10

Static

static

10

Client-built.exe

windows7-x64

10

Client-built.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    135s
  • max time network
    145s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    22-02-2025 04:33

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General

  • Target

    Client-built.exe

  • Size

    1.3MB

  • MD5

    f27d758795938eafdf6189c361da0f7f

  • SHA1

    a89bfffdf714c0e96625f87990d51cdc73024c32

  • SHA256

    47e7563559491fc47a1629233ae4b5756ad9d8f6c84df5ea1cb3239ddbde14bc

  • SHA512

    4508ac64bfce9b37ad28669538be606a23ef4223701c2f3157edc5eb4b784316bfbef1658b2f573fc309032065177785382654406b9e2305a5e4bc1db2e6d706

  • SSDEEP

    12288:fpuDDEs+tbGg7OQEsSE2RElxmF4wWUI7vegTdwxW+1hNZReZruzr6iOdICVJkPL:fpuDDa0YvYF49Cg+xHNZYZzi/CfkPL

Score
10/10
quasaroffice04spywaretrojan

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

limited-instrumentation.gl.at.ply.gg:12494

Mutex

21d36b6a-0e87-4f35-a36f-f666434baede

Attributes
  • encryption_key

    AEF7C3A0243DCA719D48432AAED21D3E415FA29F

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Modded Client Startup

  • subdirectory

    SubDir

Signatures

  • Quasar RAT

    Quasar is an open source Remote Access Tool.

    trojanspywarequasar
  • Quasar family
    quasar
  • Quasar payload 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Client-built.exe
    "C:\Users\Admin\AppData\Local\Temp\Client-built.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2500

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/2500-0-0x000007FEF5DC3000-0x000007FEF5DC4000-memory.dmp

    Filesize

    4KB

    Download

  • memory/2500-1-0x0000000000230000-0x000000000038E000-memory.dmp

    Filesize

    1.4MB

    Download

  • memory/2500-2-0x000007FEF5DC0000-0x000007FEF67AC000-memory.dmp

    Filesize

    9.9MB

    Download

  • memory/2500-3-0x000007FEF5DC3000-0x000007FEF5DC4000-memory.dmp

    Filesize

    4KB

    Download

  • memory/2500-4-0x000007FEF5DC0000-0x000007FEF67AC000-memory.dmp

    Filesize

    9.9MB

    Download