Analysis

  • max time kernel
    376s
  • max time network
    378s
  • platform
    windows10-ltsc 2021_x64
  • resource
    win10ltsc2021-20241211-en
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20241211-enlocale:en-usos:windows10-ltsc 2021-x64system
  • submitted
    17-12-2024 20:17

Errors

Reason
Machine shutdown

General

  • Target

    sisso.‮‮‮gpj.exe

  • Size

    772KB

  • MD5

    625bbdfe0046fffc786e7a0a27c10bef

  • SHA1

    77795a62395bb6510057682415666f2f1e017031

  • SHA256

    728f6ef5853864664539cd562e33b81138f69609ff37cfcf622b901d2d9d81ff

  • SHA512

    640e062f7fac6cf5d9ce7200f827dd07c0ca9e48210fc35d165143e0ef318de734e818c58d557c077c6e5e270e0341546b8c86a60d37b339a04eb12667e02da6

  • SSDEEP

    6144:ATouKrWBEu3/Z2lpGDHU3ykJy5UMwQ54zUOYwI9CmbkPryNyATXqF0Dp/frNpxb4:AToPWBv/cpGrU3yTiFb3bWXaiRfrJ4

Malware Config

Extracted

Family

discordrat

Attributes
  • discord_token

    MTMxODY2NzE5MzE0NzE5NTQ3Mg.GqTYsG.EFDdS3JA4JWiUR6BrjCsNy5QiB52-BMhHIV3cs

  • server_id

    1242941368020766730

Signatures

  • Discord RAT

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

  • Discordrat family
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 13 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies registry class 1 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 behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 7 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\sisso.‮‮‮gpj.exe
    "C:\Users\Admin\AppData\Local\Temp\sisso.‮‮‮gpj.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:2300
    • C:\Windows\SysWOW64\mspaint.exe
      "C:\Windows\system32\mspaint.exe" "C:\Users\Admin\AppData\Local\Temp\RarSFX0\th-_1_.jpg"
      2⤵
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      PID:2584
    • C:\Users\Admin\AppData\Local\Temp\RarSFX0\Client-built.exe
      "C:\Users\Admin\AppData\Local\Temp\RarSFX0\Client-built.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2812
      • C:\Windows\SYSTEM32\SCHTASKS.exe
        "SCHTASKS.exe" /create /tn "$77Client-built.exe" /tr "'C:\Users\Admin\AppData\Local\Temp\RarSFX0\Client-built.exe'" /sc onlogon /rl HIGHEST
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:4000
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s DeviceAssociationService
    1⤵
      PID:2412
    • C:\Windows\System32\rundll32.exe
      C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
      1⤵
        PID:4760
      • C:\Windows\system32\AUDIODG.EXE
        C:\Windows\system32\AUDIODG.EXE 0x33c 0x4b4
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:880

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\RarSFX0\Client-built.exe

        Filesize

        78KB

        MD5

        46cd65e5ff390ddaa6236f272839cc09

        SHA1

        18a0fd8cc58b4bf61f3bfc499886956cef8d7bd5

        SHA256

        3f373b012e2c89289a5c81cc78c3722123a7cb0062a0c00089eab6b84141f758

        SHA512

        f455f71f1d17b9ced82060af29642dc119b7919db0ca9ef9348d098a6a56d08205389a5cf9a07aa9a9a69b31836513e4cf4ca5c4d154be7ecd7ac0e595905db2

      • C:\Users\Admin\AppData\Local\Temp\RarSFX0\th-_1_.jpg

        Filesize

        51KB

        MD5

        6bc0a2737f32a599a8070932754eacc4

        SHA1

        a13f0d4ffd262c09b978233873b823ed4b835ffb

        SHA256

        4f15cb46a6c6a7799e1cfc07482954d009f8bd513126a80d2565842d6b924df1

        SHA512

        393269cb8e8ebe7b1987a97703ca18bcc2e3eb62f96924683fc59bdfaf348bdb93929408172a1b97ef3108864cd1d1b4f694bb729408874b902c7c7d43f9e6b1

      • memory/2812-26-0x0000011C6BF60000-0x0000011C6BF78000-memory.dmp

        Filesize

        96KB

      • memory/2812-27-0x0000011C6E570000-0x0000011C6E732000-memory.dmp

        Filesize

        1.8MB

      • memory/2812-28-0x0000011C6ED70000-0x0000011C6F298000-memory.dmp

        Filesize

        5.2MB

      • memory/2812-29-0x0000011C6E9A0000-0x0000011C6EA4A000-memory.dmp

        Filesize

        680KB