Overview

overview

10

Static

static

10

yjnclient-v3.exe

windows10-1703-x64

10

Analysis

  • max time kernel
    16s
  • max time network
    18s
  • platform
    windows10-1703_x64
  • resource
    win10-20240404-en
  • resource tags

    arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
  • submitted
    25-06-2024 00:13

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General

  • Target

    yjnclient-v3.exe

  • Size

    78KB

  • MD5

    f758d08d23a5ddf8905d5c17084abf07

  • SHA1

    b237a04b0ab5374f41ec90186d1de0250569a82d

  • SHA256

    6624c79c2c07fbcb8d4244fadd4e16ad4c536c187c25acaf3b831fff7cbda3c9

  • SHA512

    7fd582bb2c319d1cd43efa1d01420f2e58378c15542c044b2450da0da0112a55ae98afd52e851da767d487456927556152d3925ef11194c35bb25bcc9b7f747f

  • SSDEEP

    1536:52WjO8XeEXFh5P7v88wbjNrfxCXhRoKV6+V+BAPIC:5Zv5PDwbjNrmAE+OIC

Score
10/10
discordratpersistenceratrootkitstealer

Malware Config

Extracted

Family

discordrat

Attributes
  • discord_token

    MTI1NDkyMzczMDE3ODY3NDgwMw.GNKnH3._2hi153EQeLcF4SWSwr0pQuzH__TVonJih1mFM

  • server_id

    1254923576340119644

Signatures

  • Discord RAT

    A RAT written in C# using Discord as a C2.

    stealerrootkitratpersistencediscordrat
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 4 IoCs
  • 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 WriteProcessMemory 2 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

    persistence

Processes

  • C:\Users\Admin\AppData\Local\Temp\yjnclient-v3.exe
    "C:\Users\Admin\AppData\Local\Temp\yjnclient-v3.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1836
    • C:\Windows\SYSTEM32\SCHTASKS.exe
      "SCHTASKS.exe" /create /tn "$77yjnclient-v3.exe" /tr "'C:\Users\Admin\AppData\Local\Temp\yjnclient-v3.exe'" /sc onlogon /rl HIGHEST
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:412

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/1836-0-0x0000018143180000-0x0000018143198000-memory.dmp

    Filesize

    96KB

    Download

  • memory/1836-1-0x00007FF833F83000-0x00007FF833F84000-memory.dmp

    Filesize

    4KB

    Download

  • memory/1836-2-0x000001815D8C0000-0x000001815DA82000-memory.dmp

    Filesize

    1.8MB

    Download

  • memory/1836-3-0x00007FF833F80000-0x00007FF83496C000-memory.dmp

    Filesize

    9.9MB

    Download

  • memory/1836-4-0x000001815E1B0000-0x000001815E6D6000-memory.dmp

    Filesize

    5.1MB

    Download