Analysis

  • max time kernel
    107s
  • max time network
    111s
  • platform
    windows11-21h2_x64
  • resource
    win11-20241007-en
  • resource tags

    arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    10-11-2024 06:38

Errors

Reason
Machine shutdown

General

  • Target

    Client-built.exe

  • Size

    78KB

  • MD5

    3adc956e3228a6d69cbc82cdf015ea9b

  • SHA1

    58d5b8f8ea0657797a750c8d076d9daee72b52b6

  • SHA256

    1a91ad0e6655d6edbc971f6d00e59c7073dbdf9c6ce2182d2b5a165e251cdc6a

  • SHA512

    ac1701e2399ca30a1bae33019b53a7088599b788ef3e283571ceaf92eb5caf5781135a7c0ecc63753ceba04634732c092c654b7e2467faf6eeddf85bbffb4d70

  • SSDEEP

    1536:52WjO8XeEXFh5P7v88wbjNrfxCXhRoKV6+V+JPIC:5Zv5PDwbjNrmAE+5IC

Malware Config

Extracted

Family

discordrat

Attributes
  • discord_token

    MTMwNDcwODA2MDQzMzg3OTA4MA.GfazZS.LZD6AvHm80-w_84PJNSVHHZnAXQ3XdmRLbP6o8

  • server_id

    1304705193463775302

Signatures

  • Discord RAT

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

  • Discordrat family
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 12 IoCs
  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Modifies data under HKEY_USERS 15 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 4 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.

Processes

  • C:\Users\Admin\AppData\Local\Temp\Client-built.exe
    "C:\Users\Admin\AppData\Local\Temp\Client-built.exe"
    1⤵
    • Sets desktop wallpaper using registry
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:488
    • C:\Windows\SYSTEM32\SCHTASKS.exe
      "SCHTASKS.exe" /create /tn "$77Client-built.exe" /tr "'C:\Users\Admin\AppData\Local\Temp\Client-built.exe'" /sc onlogon /rl HIGHEST
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:4296
    • C:\Windows\System32\shutdown.exe
      "C:\Windows\System32\shutdown.exe" /s /t 0
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:3772
  • C:\Windows\system32\LogonUI.exe
    "LogonUI.exe" /flags:0x4 /state0:0xa3a08055 /state1:0x41c64e6d
    1⤵
    • Modifies data under HKEY_USERS
    • Suspicious use of SetWindowsHookEx
    PID:792

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/488-0-0x00007FF977AB3000-0x00007FF977AB5000-memory.dmp

    Filesize

    8KB

  • memory/488-1-0x0000025828BC0000-0x0000025828BD8000-memory.dmp

    Filesize

    96KB

  • memory/488-2-0x0000025843390000-0x0000025843552000-memory.dmp

    Filesize

    1.8MB

  • memory/488-3-0x00007FF977AB0000-0x00007FF978572000-memory.dmp

    Filesize

    10.8MB

  • memory/488-4-0x0000025844610000-0x0000025844B38000-memory.dmp

    Filesize

    5.2MB

  • memory/488-5-0x00007FF977AB3000-0x00007FF977AB5000-memory.dmp

    Filesize

    8KB

  • memory/488-6-0x00007FF977AB0000-0x00007FF978572000-memory.dmp

    Filesize

    10.8MB

  • memory/488-9-0x0000025844280000-0x000002584454A000-memory.dmp

    Filesize

    2.8MB

  • memory/488-10-0x00007FF977AB0000-0x00007FF978572000-memory.dmp

    Filesize

    10.8MB