Analysis

  • max time kernel
    40s
  • max time network
    44s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240319-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240319-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-04-2024 13:43

Errors

Reason
Machine shutdown

General

  • Target

    Client-built.exe

  • Size

    78KB

  • MD5

    95279ec42bbd666cfd0687d17afaa14f

  • SHA1

    1715de9c85f1377385cd9e9d03c24c1f98880b20

  • SHA256

    d5f965b39387c018ecb153d1573df2dcd4772ed64bc61eb5ffa2aca00c9fe058

  • SHA512

    e23fcd902fb3bfa168ea2f2370d8c112ebe7b6f69b84103b6b58b927710c4a409329d781e5209523ead7171b1ed0468533a5564902d56d5bb936270c5ff2ae5b

  • SSDEEP

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

Malware Config

Extracted

Family

discordrat

Attributes
  • discord_token

    MTIyNTE2MjYyMzk2NDY4MDM2Ng.GhqsI6.zQNKyvLE0OxdAyNdfbB_zzCUQ4WNSRbzAQHH-A

  • server_id

    1225162463952109721

Signatures

  • Discord RAT

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

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 6 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies data under HKEY_USERS 15 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Client-built.exe
    "C:\Users\Admin\AppData\Local\Temp\Client-built.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:5048
    • C:\Windows\System32\shutdown.exe
      "C:\Windows\System32\shutdown.exe" /s /t 0
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:4888
  • C:\Windows\system32\LogonUI.exe
    "LogonUI.exe" /flags:0x4 /state0:0xa3951855 /state1:0x41c64e6d
    1⤵
    • Modifies data under HKEY_USERS
    • Suspicious use of SetWindowsHookEx
    PID:3676

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/5048-0-0x0000029271290000-0x00000292712A8000-memory.dmp

    Filesize

    96KB

  • memory/5048-1-0x00000292738C0000-0x0000029273A82000-memory.dmp

    Filesize

    1.8MB

  • memory/5048-2-0x00007FFE2E6C0000-0x00007FFE2F181000-memory.dmp

    Filesize

    10.8MB

  • memory/5048-3-0x0000029273870000-0x0000029273880000-memory.dmp

    Filesize

    64KB

  • memory/5048-4-0x0000029274970000-0x0000029274E98000-memory.dmp

    Filesize

    5.2MB

  • memory/5048-5-0x00007FFE2E6C0000-0x00007FFE2F181000-memory.dmp

    Filesize

    10.8MB

  • memory/5048-6-0x00007FFE2E6C0000-0x00007FFE2F181000-memory.dmp

    Filesize

    10.8MB