Analysis

  • max time kernel
    112s
  • max time network
    123s
  • 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 03:39

General

  • Target

    TelegramRAT.exe

  • Size

    141KB

  • MD5

    cd98e162b45967ddb90eee3cb19edd82

  • SHA1

    f7d60aa415d06dd5d144f74081dac60b85e8103a

  • SHA256

    6aeebc4573ddec9d5008582d7984d4014fb56c4c3e1a15ab2b06adb00e7878ad

  • SHA512

    21ead7050502545121b8d059be5493942087fd496a4a864a24df520d4d815dd23573ea0450ba5738286f824337a1392d3ffba0d580a8a96182cea41a5ff0cd6c

  • SSDEEP

    3072:ux57ZFDCfyVRHpy756OtAVIqOYiibKmCPQW4eCrAZrCeni:ohZFDCfyVRJchDebZoV

Score
10/10

Malware Config

Extracted

Family

toxiceye

C2

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

Signatures

  • 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 4 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:2440
    • C:\Windows\System32\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /create /f /sc ONLOGON /RL HIGHEST /tn "Chrome Update" /tr "C:\a\rat.exe"
      2⤵
      • Creates scheduled task(s)
      PID:2732
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /C C:\Users\Admin\AppData\Local\Temp\tmp4517.tmp.bat & Del C:\Users\Admin\AppData\Local\Temp\tmp4517.tmp.bat
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1324
      • C:\Windows\system32\tasklist.exe
        Tasklist /fi "PID eq 2440"
        3⤵
        • Enumerates processes with tasklist
        • Suspicious use of AdjustPrivilegeToken
        PID:1884
      • C:\Windows\system32\find.exe
        find ":"
        3⤵
          PID:3904
        • C:\Windows\system32\timeout.exe
          Timeout /T 1 /Nobreak
          3⤵
          • Delays execution with timeout.exe
          PID:3872
        • C:\a\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:2448
          • C:\Windows\System32\schtasks.exe
            "C:\Windows\System32\schtasks.exe" /create /f /sc ONLOGON /RL HIGHEST /tn "Chrome Update" /tr "C:\a\rat.exe"
            4⤵
            • Creates scheduled task(s)
            PID:1200

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmp4517.tmp.bat

      Filesize

      175B

      MD5

      6e0af625e24c775c906201dd3135970f

      SHA1

      597bbdfbf0480bb96392da3e9173758f99a32d84

      SHA256

      38a40f6d2b007b5f099b85e268271ea478f0f4640c4f2cdf13a5c2b6b6853bf1

      SHA512

      cfacdce73d20e2bcf0667c7fbed5778d03e459143fe5d2954423cf8ab6d7a91f01a74662c8231abcf1281ef6f816c22b62852e51baa83aaedb0d4750a6bac571

    • C:\a\rat.exe

      Filesize

      141KB

      MD5

      cd98e162b45967ddb90eee3cb19edd82

      SHA1

      f7d60aa415d06dd5d144f74081dac60b85e8103a

      SHA256

      6aeebc4573ddec9d5008582d7984d4014fb56c4c3e1a15ab2b06adb00e7878ad

      SHA512

      21ead7050502545121b8d059be5493942087fd496a4a864a24df520d4d815dd23573ea0450ba5738286f824337a1392d3ffba0d580a8a96182cea41a5ff0cd6c

    • memory/2440-0-0x000001EC22110000-0x000001EC2213A000-memory.dmp

      Filesize

      168KB

    • memory/2440-1-0x00007FFAAEA70000-0x00007FFAAF531000-memory.dmp

      Filesize

      10.8MB

    • memory/2440-2-0x000001EC3C8B0000-0x000001EC3C8C0000-memory.dmp

      Filesize

      64KB

    • memory/2440-6-0x00007FFAAEA70000-0x00007FFAAF531000-memory.dmp

      Filesize

      10.8MB

    • memory/2448-11-0x00007FFAAEA70000-0x00007FFAAF531000-memory.dmp

      Filesize

      10.8MB

    • memory/2448-12-0x00000229C8410000-0x00000229C8420000-memory.dmp

      Filesize

      64KB

    • memory/2448-14-0x00000229C83A0000-0x00000229C83AA000-memory.dmp

      Filesize

      40KB

    • memory/2448-16-0x00007FFAAEA70000-0x00007FFAAF531000-memory.dmp

      Filesize

      10.8MB