Analysis

  • max time kernel
    119s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-20240705-en
  • resource tags

    arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
  • submitted
    16-08-2024 22:20

General

  • Target

    1ee0f288b931c649d0442590346cb778a3706d74322c24e1714cf124e9f23b68.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 4 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\1ee0f288b931c649d0442590346cb778a3706d74322c24e1714cf124e9f23b68.exe
    "C:\Users\Admin\AppData\Local\Temp\1ee0f288b931c649d0442590346cb778a3706d74322c24e1714cf124e9f23b68.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2348
    • 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:2984
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /C C:\Users\Admin\AppData\Local\Temp\tmp17B5.tmp.bat & Del C:\Users\Admin\AppData\Local\Temp\tmp17B5.tmp.bat
      2⤵
      • Deletes itself
      • Suspicious use of WriteProcessMemory
      PID:2740
      • C:\Windows\system32\tasklist.exe
        Tasklist /fi "PID eq 2348"
        3⤵
        • Enumerates processes with tasklist
        • Suspicious use of AdjustPrivilegeToken
        PID:2060
      • C:\Windows\system32\find.exe
        find ":"
        3⤵
          PID:2608
        • C:\Windows\system32\timeout.exe
          Timeout /T 1 /Nobreak
          3⤵
          • Delays execution with timeout.exe
          PID:2568
        • 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:2116
          • 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:2500
          • C:\Windows\system32\WerFault.exe
            C:\Windows\system32\WerFault.exe -u -p 2116 -s 1712
            4⤵
              PID:1916

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Local\Temp\tmp17B5.tmp.bat

        Filesize

        241B

        MD5

        62c724db076a8e8ae09d4d6c0e51846d

        SHA1

        fec3f398895b38b6d93e6359dcf08682d6345950

        SHA256

        c0c3e76292121a19de40b3bad0f27188462974935d11041e705b92f5086db564

        SHA512

        19679f3034dcf439f91444b5bcca8447d4e7b2f24a0f2674863511b7b69fd00bf0b25dbc364536310198ca68fa53c008344180b1c353e238eb5296daee24d4b6

      • C:\Users\ToxicEye\rat.exe

        Filesize

        111KB

        MD5

        3cdefec5518d17dd30d6ae5d2b10a7aa

        SHA1

        d930c4be3e11056a01d88fc204ede07292b70a38

        SHA256

        1ee0f288b931c649d0442590346cb778a3706d74322c24e1714cf124e9f23b68

        SHA512

        1f12b82dba779a72be66d513ce72518f79bc97282211685bc9b42f0f1a8c2dd756cb372c44c917b11afcc6a71d581a6747f3acd5d6b54743f6b7b689a8c32f69

      • memory/2116-10-0x0000000001180000-0x00000000011A2000-memory.dmp

        Filesize

        136KB

      • memory/2348-0-0x000007FEF62C3000-0x000007FEF62C4000-memory.dmp

        Filesize

        4KB

      • memory/2348-1-0x00000000010C0000-0x00000000010E2000-memory.dmp

        Filesize

        136KB

      • memory/2348-2-0x000007FEF62C0000-0x000007FEF6CAC000-memory.dmp

        Filesize

        9.9MB

      • memory/2348-5-0x000007FEF62C0000-0x000007FEF6CAC000-memory.dmp

        Filesize

        9.9MB