Analysis

  • max time kernel
    118s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    02-03-2024 01:43

General

  • Target

    a.exe

  • Size

    143KB

  • MD5

    74f22ec8451a5d788ee312e2b637519c

  • SHA1

    a7bd09f6f3d7f9b3ec33b5d4c2787223459d1fc0

  • SHA256

    48614dc3fd49968db9c35b840a6609f397f2f1813daa7c56b659036edf82f2e2

  • SHA512

    5b356e4811c58bcede2c3a5a0614e40049ef2a68c63c76fa78f612441d1ca9e1200f7a0544ffbca66ab4e0668fd0ec196bf0cdbff60ff7097c5f476b1675492b

  • SSDEEP

    3072:e0cwsSCbN9bHfhFuZHvE2Rf2p65ddPPHziJsEabvx0hQWf5CrAZuCHd:eEs9Crziy7bpq

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 4 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#.

  • Deletes itself 1 IoCs
  • Executes dropped EXE 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 2 IoCs
  • Enumerates processes with tasklist 1 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 33 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\a.exe
    "C:\Users\Admin\AppData\Local\Temp\a.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2728
    • 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:2540
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /C C:\Users\Admin\AppData\Local\Temp\tmp52F0.tmp.bat & Del C:\Users\Admin\AppData\Local\Temp\tmp52F0.tmp.bat
      2⤵
      • Deletes itself
      • Suspicious use of WriteProcessMemory
      PID:2900
      • C:\Windows\system32\tasklist.exe
        Tasklist /fi "PID eq 2728"
        3⤵
        • Enumerates processes with tasklist
        • Suspicious use of AdjustPrivilegeToken
        PID:2504
      • C:\Windows\system32\find.exe
        find ":"
        3⤵
          PID:2724
        • C:\Windows\system32\timeout.exe
          Timeout /T 1 /Nobreak
          3⤵
          • Delays execution with timeout.exe
          PID:2552
        • C:\Windows\system32\tasklist.exe
          Tasklist /fi "PID eq 2728"
          3⤵
          • Enumerates processes with tasklist
          • Suspicious use of AdjustPrivilegeToken
          PID:2580
        • C:\Windows\system32\find.exe
          find ":"
          3⤵
            PID:2528
          • C:\Windows\system32\timeout.exe
            Timeout /T 1 /Nobreak
            3⤵
            • Delays execution with timeout.exe
            PID:2428
          • C:\Users\CyberEye\rat.exe
            "rat.exe"
            3⤵
            • Executes dropped EXE
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of SetWindowsHookEx
            • Suspicious use of WriteProcessMemory
            PID:2824
            • 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:2672
            • C:\Windows\system32\WerFault.exe
              C:\Windows\system32\WerFault.exe -u -p 2824 -s 1588
              4⤵
                PID:1692

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\tmp52F0.tmp.bat

          Filesize

          178B

          MD5

          a9b7ef8d9e30eda6f25598e09b2ffd92

          SHA1

          25262e4340bea33703bd07617d5e49cdd26c2386

          SHA256

          8e8adb9492c56d0d941fbaa55c1ddba93d507c5b53497ea777ac8b0b96cbbd26

          SHA512

          0ff6483dd00f1f9c55610f39ab43e80d2cf4c147398d1bc5cef4e0178bda8d0b39825e26524f0b66d9f4c75308ddf9f38ba4cd35d38a4fd5facd0fcf85292f01

        • C:\Users\CyberEye\rat.exe

          Filesize

          143KB

          MD5

          74f22ec8451a5d788ee312e2b637519c

          SHA1

          a7bd09f6f3d7f9b3ec33b5d4c2787223459d1fc0

          SHA256

          48614dc3fd49968db9c35b840a6609f397f2f1813daa7c56b659036edf82f2e2

          SHA512

          5b356e4811c58bcede2c3a5a0614e40049ef2a68c63c76fa78f612441d1ca9e1200f7a0544ffbca66ab4e0668fd0ec196bf0cdbff60ff7097c5f476b1675492b

        • memory/2728-0-0x0000000000DD0000-0x0000000000DFA000-memory.dmp

          Filesize

          168KB

        • memory/2728-1-0x000007FEF5990000-0x000007FEF637C000-memory.dmp

          Filesize

          9.9MB

        • memory/2728-2-0x000000001AD00000-0x000000001AD80000-memory.dmp

          Filesize

          512KB

        • memory/2728-6-0x000007FEF5990000-0x000007FEF637C000-memory.dmp

          Filesize

          9.9MB

        • memory/2824-10-0x0000000000EF0000-0x0000000000F1A000-memory.dmp

          Filesize

          168KB

        • memory/2824-11-0x000007FEF4FA0000-0x000007FEF598C000-memory.dmp

          Filesize

          9.9MB

        • memory/2824-12-0x000000001AD30000-0x000000001ADB0000-memory.dmp

          Filesize

          512KB

        • memory/2824-13-0x000007FEF4FA0000-0x000007FEF598C000-memory.dmp

          Filesize

          9.9MB

        • memory/2824-14-0x000000001AD30000-0x000000001ADB0000-memory.dmp

          Filesize

          512KB