Analysis

  • max time kernel
    14s
  • max time network
    20s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-03-2024 02:28

General

  • Target

    TelegramRAT.exe

  • Size

    143KB

  • MD5

    5ed0d420fc1b4641d8b88cf909be6e4e

  • SHA1

    a324050949e558a339cfc02e761e12dd657f1ee2

  • SHA256

    a0790e8195c00714a8486ea9c7a9902e8dd9efc498c3c31737b1e753ac319d09

  • SHA512

    f3d000019faa786fa589bee3fb07abcd7c928220066b56ecac69c46077feb742cbd6dfa6a6bdb3fb4861154751b12d99ef71b487b12655b41127d132fc2e628e

  • SSDEEP

    3072:OhcmsSrI7vLHvWk4EqvE2Rf2p65dd54f/iaK9N4bve0ZQWf5CrAZuC+C:Ov4v8Ef/iayubWa

Score
10/10

Malware Config

Extracted

Family

toxiceye

C2

https://api.telegram.org/bot7040511851:AAEjBKSxADGWlNtLxaKpotGtf53NUQ1UgAo/sendMessage?chat_id=6226815698

Signatures

  • Contains code to disable Windows Defender 3 IoCs

    A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

  • ToxicEye

    ToxicEye is a trojan written in C#.

  • Checks computer location settings 2 TTPs 2 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 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 2 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Delays execution with timeout.exe 1 IoCs
  • Enumerates processes with tasklist 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 14 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\TelegramRAT.exe
    "C:\Users\Admin\AppData\Local\Temp\TelegramRAT.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3056
    • C:\Windows\System32\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /create /f /sc ONLOGON /RL HIGHEST /tn "Chrome Update" /tr "C:\Users\CyberEye\rat.exe"
      2⤵
      • Creates scheduled task(s)
      PID:1096
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /C C:\Users\Admin\AppData\Local\Temp\tmp6BAA.tmp.bat & Del C:\Users\Admin\AppData\Local\Temp\tmp6BAA.tmp.bat
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4484
      • C:\Windows\system32\tasklist.exe
        Tasklist /fi "PID eq 3056"
        3⤵
        • Enumerates processes with tasklist
        • Suspicious use of AdjustPrivilegeToken
        PID:396
      • C:\Windows\system32\find.exe
        find ":"
        3⤵
          PID:3228
        • C:\Windows\system32\timeout.exe
          Timeout /T 1 /Nobreak
          3⤵
          • Delays execution with timeout.exe
          PID:3484
        • C:\Users\CyberEye\rat.exe
          "rat.exe"
          3⤵
          • Checks computer location settings
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:4504
          • C:\Windows\System32\schtasks.exe
            "C:\Windows\System32\schtasks.exe" /create /f /sc ONLOGON /RL HIGHEST /tn "Chrome Update" /tr "C:\Users\CyberEye\rat.exe"
            4⤵
            • Creates scheduled task(s)
            PID:4816

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmp6BAA.tmp.bat

      Filesize

      188B

      MD5

      e3ddd2d7a514c059a7435761672403bc

      SHA1

      9fbc6658339d095e31c09edd948f9f1e92b9aa1a

      SHA256

      8416949936d30c05812eaac30505e2348313bfa8c42bd2b6ed6eeb14237bc665

      SHA512

      207d63b34e0ed750d187ae4497b742ac7a7ad3ca68e7aac3f9b7cde2327b1e294e38935fe7616780a127e9d332a7ac76fc453b90e3b9c0af071f2dbceb7cb37f

    • C:\Users\CyberEye\rat.exe

      Filesize

      143KB

      MD5

      5ed0d420fc1b4641d8b88cf909be6e4e

      SHA1

      a324050949e558a339cfc02e761e12dd657f1ee2

      SHA256

      a0790e8195c00714a8486ea9c7a9902e8dd9efc498c3c31737b1e753ac319d09

      SHA512

      f3d000019faa786fa589bee3fb07abcd7c928220066b56ecac69c46077feb742cbd6dfa6a6bdb3fb4861154751b12d99ef71b487b12655b41127d132fc2e628e

    • memory/3056-0-0x000001808D8A0000-0x000001808D8CA000-memory.dmp

      Filesize

      168KB

    • memory/3056-1-0x00007FFD01970000-0x00007FFD02431000-memory.dmp

      Filesize

      10.8MB

    • memory/3056-2-0x00000180A7EB0000-0x00000180A7EC0000-memory.dmp

      Filesize

      64KB

    • memory/3056-7-0x00007FFD01970000-0x00007FFD02431000-memory.dmp

      Filesize

      10.8MB

    • memory/4504-11-0x00007FFD01CF0000-0x00007FFD027B1000-memory.dmp

      Filesize

      10.8MB

    • memory/4504-12-0x0000026433FC0000-0x0000026433FD0000-memory.dmp

      Filesize

      64KB

    • memory/4504-14-0x00000264344C0000-0x00000264344D2000-memory.dmp

      Filesize

      72KB

    • memory/4504-16-0x0000026434340000-0x000002643434A000-memory.dmp

      Filesize

      40KB

    • memory/4504-17-0x00007FFD01CF0000-0x00007FFD027B1000-memory.dmp

      Filesize

      10.8MB