Analysis

  • max time kernel
    31s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    25-06-2024 00:19

General

  • Target

    yjnclient-v3.exe

  • Size

    78KB

  • MD5

    f758d08d23a5ddf8905d5c17084abf07

  • SHA1

    b237a04b0ab5374f41ec90186d1de0250569a82d

  • SHA256

    6624c79c2c07fbcb8d4244fadd4e16ad4c536c187c25acaf3b831fff7cbda3c9

  • SHA512

    7fd582bb2c319d1cd43efa1d01420f2e58378c15542c044b2450da0da0112a55ae98afd52e851da767d487456927556152d3925ef11194c35bb25bcc9b7f747f

  • SSDEEP

    1536:52WjO8XeEXFh5P7v88wbjNrfxCXhRoKV6+V+BAPIC:5Zv5PDwbjNrmAE+OIC

Malware Config

Extracted

Family

discordrat

Attributes
  • discord_token

    MTI1NDkyMzczMDE3ODY3NDgwMw.GNKnH3._2hi153EQeLcF4SWSwr0pQuzH__TVonJih1mFM

  • server_id

    1254923576340119644

Signatures

  • Discord RAT

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

  • Suspicious behavior: EnumeratesProcesses 13 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 40 IoCs
  • Suspicious use of SendNotifyMessage 39 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\yjnclient-v3.exe
    "C:\Users\Admin\AppData\Local\Temp\yjnclient-v3.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1992
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 1992 -s 600
      2⤵
        PID:2860
    • C:\Windows\system32\taskmgr.exe
      "C:\Windows\system32\taskmgr.exe" /4
      1⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2580

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1992-0-0x000007FEF5BB3000-0x000007FEF5BB4000-memory.dmp

      Filesize

      4KB

    • memory/1992-1-0x000000013F720000-0x000000013F738000-memory.dmp

      Filesize

      96KB

    • memory/1992-2-0x000007FEF5BB0000-0x000007FEF659C000-memory.dmp

      Filesize

      9.9MB

    • memory/1992-3-0x000007FEF5BB0000-0x000007FEF659C000-memory.dmp

      Filesize

      9.9MB

    • memory/2580-4-0x0000000140000000-0x00000001405E8000-memory.dmp

      Filesize

      5.9MB

    • memory/2580-5-0x0000000140000000-0x00000001405E8000-memory.dmp

      Filesize

      5.9MB