Analysis

  • max time kernel
    149s
  • max time network
    150s
  • 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 01:17

General

  • Target

    TelegramRAT.exe

  • Size

    143KB

  • MD5

    74f22ec8451a5d788ee312e2b637519c

  • SHA1

    a7bd09f6f3d7f9b3ec33b5d4c2787223459d1fc0

  • SHA256

    48614dc3fd49968db9c35b840a6609f397f2f1813daa7c56b659036edf82f2e2

  • SHA512

    5b356e4811c58bcede2c3a5a0614e40049ef2a68c63c76fa78f612441d1ca9e1200f7a0544ffbca66ab4e0668fd0ec196bf0cdbff60ff7097c5f476b1675492b

  • SSDEEP

    3072:e0cwsSCbN9bHfhFuZHvE2Rf2p65ddPPHziJsEabvx0hQWf5CrAZuCHd:eEs9Crziy7bpq

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#.

  • Downloads MZ/PE file
  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • 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).

  • 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 64 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:1288
    • 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:2624
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /C C:\Users\Admin\AppData\Local\Temp\tmp3A0B.tmp.bat & Del C:\Users\Admin\AppData\Local\Temp\tmp3A0B.tmp.bat
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:860
      • C:\Windows\system32\tasklist.exe
        Tasklist /fi "PID eq 1288"
        3⤵
        • Enumerates processes with tasklist
        • Suspicious use of AdjustPrivilegeToken
        PID:4100
      • C:\Windows\system32\find.exe
        find ":"
        3⤵
          PID:224
        • C:\Windows\system32\timeout.exe
          Timeout /T 1 /Nobreak
          3⤵
          • Delays execution with timeout.exe
          PID:3632
        • 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:2412
          • 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:1708

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmp3A0B.tmp.bat

      Filesize

      188B

      MD5

      eb41ef7079d9942e032d6d42177776a8

      SHA1

      6cd671b0afd4862715168156c6d965d4829d9f7d

      SHA256

      fe32340c9fbc2c260d6774d1bae46f93f45b0d519c9a415017fccd5cb94a82a5

      SHA512

      6c5f4923bdadd8bd465b9d8bc36aac10c637077769231240724d687be8e45f5f4bca14727a0dc2d24a8b5ea36d730a675a33b7883224d77f7803a74546898d49

    • C:\Users\CyberEye\rat.exe

      Filesize

      143KB

      MD5

      74f22ec8451a5d788ee312e2b637519c

      SHA1

      a7bd09f6f3d7f9b3ec33b5d4c2787223459d1fc0

      SHA256

      48614dc3fd49968db9c35b840a6609f397f2f1813daa7c56b659036edf82f2e2

      SHA512

      5b356e4811c58bcede2c3a5a0614e40049ef2a68c63c76fa78f612441d1ca9e1200f7a0544ffbca66ab4e0668fd0ec196bf0cdbff60ff7097c5f476b1675492b

    • memory/1288-0-0x0000026662D30000-0x0000026662D5A000-memory.dmp

      Filesize

      168KB

    • memory/1288-1-0x00007FFF76DC0000-0x00007FFF77881000-memory.dmp

      Filesize

      10.8MB

    • memory/1288-2-0x000002667D2F0000-0x000002667D300000-memory.dmp

      Filesize

      64KB

    • memory/1288-6-0x00007FFF76DC0000-0x00007FFF77881000-memory.dmp

      Filesize

      10.8MB

    • memory/2412-11-0x00007FFF76DC0000-0x00007FFF77881000-memory.dmp

      Filesize

      10.8MB

    • memory/2412-12-0x000001DE1FA00000-0x000001DE1FA10000-memory.dmp

      Filesize

      64KB

    • memory/2412-14-0x000001DE1FAB0000-0x000001DE1FABA000-memory.dmp

      Filesize

      40KB

    • memory/2412-16-0x000001DE1FAC0000-0x000001DE1FAD2000-memory.dmp

      Filesize

      72KB

    • memory/2412-42-0x00007FFF76DC0000-0x00007FFF77881000-memory.dmp

      Filesize

      10.8MB

    • memory/2412-43-0x000001DE1FA00000-0x000001DE1FA10000-memory.dmp

      Filesize

      64KB