Analysis

  • max time kernel
    118s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    16-08-2024 22:20

General

  • Target

    TelegramRAT.exe

  • Size

    111KB

  • MD5

    3cdefec5518d17dd30d6ae5d2b10a7aa

  • SHA1

    d930c4be3e11056a01d88fc204ede07292b70a38

  • SHA256

    1ee0f288b931c649d0442590346cb778a3706d74322c24e1714cf124e9f23b68

  • SHA512

    1f12b82dba779a72be66d513ce72518f79bc97282211685bc9b42f0f1a8c2dd756cb372c44c917b11afcc6a71d581a6747f3acd5d6b54743f6b7b689a8c32f69

  • SSDEEP

    1536:y+bAQAsnqLoM91qQIwxHxZxdyyKDWfCbhDqI64QWEzCrAZuhN7Dg:VbKsnwo0RZxjQbxqH4QWEzCrAZuhZg

Malware Config

Extracted

Family

toxiceye

C2

https://api.telegram.org/bot7302074945:AAGKx5TnjPyRM_fqN4XQLd4uz-PUp4nl8w4/sendMessage?chat_id=6414125020

Signatures

  • ToxicEye

    ToxicEye is a trojan written in C#.

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Enumerates processes with tasklist 1 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Delays execution with timeout.exe 1 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

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

  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 24 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⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2680
    • C:\Windows\System32\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /create /f /sc ONLOGON /RL HIGHEST /tn "Chrome Update" /tr "C:\Users\ToxicEye\rat.exe"
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:2844
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /C C:\Users\Admin\AppData\Local\Temp\tmp82E6.tmp.bat & Del C:\Users\Admin\AppData\Local\Temp\tmp82E6.tmp.bat
      2⤵
      • Deletes itself
      • Suspicious use of WriteProcessMemory
      PID:2608
      • C:\Windows\system32\tasklist.exe
        Tasklist /fi "PID eq 2680"
        3⤵
        • Enumerates processes with tasklist
        • Suspicious use of AdjustPrivilegeToken
        PID:2640
      • C:\Windows\system32\find.exe
        find ":"
        3⤵
          PID:2700
        • C:\Windows\system32\timeout.exe
          Timeout /T 1 /Nobreak
          3⤵
          • Delays execution with timeout.exe
          PID:2596
        • C:\Users\ToxicEye\rat.exe
          "rat.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious behavior: AddClipboardFormatListener
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:2616
          • C:\Windows\System32\schtasks.exe
            "C:\Windows\System32\schtasks.exe" /create /f /sc ONLOGON /RL HIGHEST /tn "Chrome Update" /tr "C:\Users\ToxicEye\rat.exe"
            4⤵
            • Scheduled Task/Job: Scheduled Task
            PID:2880
          • C:\Windows\system32\WerFault.exe
            C:\Windows\system32\WerFault.exe -u -p 2616 -s 1692
            4⤵
              PID:1608

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\tmp82E6.tmp.bat

        Filesize

        188B

        MD5

        5f8d7542d0e2fc687fbca298342b2464

        SHA1

        5f7dae537bfbc4fcfcdd1d9263b391729d557e3e

        SHA256

        ead2a71c4fa089afd892fe80ad563e777f95f806c76beb3c1931d0c5698d865d

        SHA512

        61feec2fde4ca8850e5304d69f45b0a1bb69eb94b7784fc0a1b4cecfb03aa893bd3f9ff371091500ac3f48cfc95c084a656cb24a9b0e6110aceef6e134fd7606

      • C:\Users\ToxicEye\rat.exe

        Filesize

        111KB

        MD5

        3cdefec5518d17dd30d6ae5d2b10a7aa

        SHA1

        d930c4be3e11056a01d88fc204ede07292b70a38

        SHA256

        1ee0f288b931c649d0442590346cb778a3706d74322c24e1714cf124e9f23b68

        SHA512

        1f12b82dba779a72be66d513ce72518f79bc97282211685bc9b42f0f1a8c2dd756cb372c44c917b11afcc6a71d581a6747f3acd5d6b54743f6b7b689a8c32f69

      • memory/2616-10-0x0000000000E80000-0x0000000000EA2000-memory.dmp

        Filesize

        136KB

      • memory/2680-0-0x000007FEF5763000-0x000007FEF5764000-memory.dmp

        Filesize

        4KB

      • memory/2680-1-0x0000000000A90000-0x0000000000AB2000-memory.dmp

        Filesize

        136KB

      • memory/2680-2-0x000007FEF5760000-0x000007FEF614C000-memory.dmp

        Filesize

        9.9MB

      • memory/2680-5-0x000007FEF5760000-0x000007FEF614C000-memory.dmp

        Filesize

        9.9MB