Resubmissions

03/07/2024, 14:10

240703-rg6eqs1hmg10

03/07/2024, 14:06

240703-rec1ea1fmb10

Analysis

  • max time kernel
    147s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/07/2024, 14:06

General

  • Target
    cutecat‮gjp.exe
  • Size 571KB
  • Sample240703-rec1ea1fmb
  • SHA256 32f2cb98c31c82d74dd71ff361c1b70b8a71b75b56348ce808d2521f4aab7b81
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • discordrat

Attributes
  • discord_token

    MTI1ODA0NzAxNDQ0MTMyNDY2NA.GJFaRS.ML3_kAVkMruyTd0hsxxYBK2V-qnvxomT03peSY

  • server_id

    1255506406946373766

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.

  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cutecat‮gjp.exe
    "C:\Users\Admin\AppData\Local\Temp\cutecat‮gjp.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:1100
    • C:\Users\Admin\AppData\Local\Temp\RarSFX0\backdoor.exe
      "C:\Users\Admin\AppData\Local\Temp\RarSFX0\backdoor.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:4400

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        backdoor.exe

        • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\backdoor.exe
        • Size 78KB
        • SHA256 e6918fba0ddf8c2d9a7daf640762163dc8c2b9aaf474e3d45ddb2901328d5f16
        • MD5 SHA1 SHA512 SSDEEP

        memory/4400-15-0x00007FFD4F1B3000-0x00007FFD4F1B5000-memory.dmp

        memory/4400-14-0x000001BA5E210000-0x000001BA5E228000-memory.dmp

        memory/4400-16-0x000001BA787B0000-0x000001BA78972000-memory.dmp

        memory/4400-17-0x00007FFD4F1B0000-0x00007FFD4FC71000-memory.dmp

        memory/4400-18-0x00007FFD4F1B0000-0x00007FFD4FC71000-memory.dmp