Analysis

  • max time kernel
    142s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22/05/2024, 19:53

General

  • Target
    Supra‮‮‮gpj.exe
  • Size 582KB
  • Sample240522-yl46ssec6v
  • SHA256 a7fda75ac14b403ed62f4a87fa7ffa55280b934d42a44d96266ef2e1f8e13257
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • discordrat

Attributes
  • discord_token

    MTI0MjgyODA0NTYzMTQ5MjE0Nw.GaK9_b.DkeSn-Pej4eo5IcrUmOmowhbH0dXKH8vZX3FZ4

  • server_id

    1242477718638170204

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
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 3 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\Supra‮‮‮gpj.exe
    "C:\Users\Admin\AppData\Local\Temp\Supra‮‮‮gpj.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4744
    • 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:940
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4180 --field-trial-handle=2276,i,5697607538120380977,9987005253899555344,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:2152

    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 35f586efd9b4582468ddeb877a576ae97737b7976e6f6622a2959053d35edc91
          • MD5 SHA1 SHA512 SSDEEP

          memory/940-14-0x00007FF970EA3000-0x00007FF970EA5000-memory.dmp

          memory/940-15-0x00000222AE550000-0x00000222AE568000-memory.dmp

          memory/940-16-0x00000222C8B80000-0x00000222C8D42000-memory.dmp

          memory/940-17-0x00007FF970EA0000-0x00007FF971961000-memory.dmp

          memory/940-18-0x00000222C9380000-0x00000222C98A8000-memory.dmp

          memory/940-19-0x00007FF970EA3000-0x00007FF970EA5000-memory.dmp

          memory/940-20-0x00007FF970EA0000-0x00007FF971961000-memory.dmp