Analysis

  • max time kernel
    28s
  • max time network
    18s
  • platform
    windows7_x64
  • resource
    win7-20231020-en
  • resource tags

    arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
  • submitted
    23-10-2023 09:11

General

  • Target

    fba0c53c2c8474675d779172a6acb413f7a81ade4f983616e08b117a55555c94.exe

  • Size

    105KB

  • MD5

    da9cc4e4135e5ab525f11c3b3f664096

  • SHA1

    4afbc8b795da9f9b067c7df51200c360853aac47

  • SHA256

    fba0c53c2c8474675d779172a6acb413f7a81ade4f983616e08b117a55555c94

  • SHA512

    cf6f782ebded8ae27119b606c3edc972f063c49e444cfab4d78ed356bc2f5089abecc93cc0d0d3d3356f01237857b7bf21d262fc5899867e69bca193d8894676

  • SSDEEP

    3072:leIL1GcZLw7PUq7QLjPscKO7b1UQWPUCrYZod5:rFw7PUq7Q8C7bf

Score
10/10

Malware Config

Extracted

Family

toxiceye

C2

https://api.telegram.org/bot1540181760:AAEnIs2M31DEIo0eweKbO3grGRLd0kFkByk/sendMessage?chat_id=1314803697

Signatures

  • 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: AddClipboardFormatListener 1 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\fba0c53c2c8474675d779172a6acb413f7a81ade4f983616e08b117a55555c94.exe
    "C:\Users\Admin\AppData\Local\Temp\fba0c53c2c8474675d779172a6acb413f7a81ade4f983616e08b117a55555c94.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2144
    • 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⤵
      • Creates scheduled task(s)
      PID:2720
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /C C:\Users\Admin\AppData\Local\Temp\tmp77CF.tmp.bat & Del C:\Users\Admin\AppData\Local\Temp\tmp77CF.tmp.bat
      2⤵
      • Deletes itself
      • Suspicious use of WriteProcessMemory
      PID:2628
      • C:\Windows\system32\tasklist.exe
        Tasklist /fi "PID eq 2144"
        3⤵
        • Enumerates processes with tasklist
        • Suspicious use of AdjustPrivilegeToken
        PID:2620
      • C:\Windows\system32\find.exe
        find ":"
        3⤵
          PID:2496
        • C:\Windows\system32\timeout.exe
          Timeout /T 1 /Nobreak
          3⤵
          • Delays execution with timeout.exe
          PID:2712
        • C:\Windows\system32\tasklist.exe
          Tasklist /fi "PID eq 2144"
          3⤵
          • Enumerates processes with tasklist
          • Suspicious use of AdjustPrivilegeToken
          PID:2516
        • C:\Windows\system32\find.exe
          find ":"
          3⤵
            PID:2780
          • C:\Windows\system32\timeout.exe
            Timeout /T 1 /Nobreak
            3⤵
            • Delays execution with timeout.exe
            PID:2652
          • 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:2488
            • 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⤵
              • Creates scheduled task(s)
              PID:468
            • C:\Windows\system32\WerFault.exe
              C:\Windows\system32\WerFault.exe -u -p 2488 -s 1632
              4⤵
                PID:640

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\tmp77CF.tmp.bat

          Filesize

          241B

          MD5

          b846572917f10a642c57e75d3ac4a8ae

          SHA1

          ce2d7b9507408020176074da9c4a37ccc964f390

          SHA256

          80352701eb7535b39f6ba531f9c5ec21f46513522dc6409484a26a2bb2ac170e

          SHA512

          8a32106234ec26e0d71ef10ea19718c0723df947bfcd94b80335fba177a44cdda8bc7987d3ea2266801e183f9e75f0f8159eade2a929a4d87aceeddb3be96d2b

        • C:\Users\ToxicEye\rat.exe

          Filesize

          105KB

          MD5

          da9cc4e4135e5ab525f11c3b3f664096

          SHA1

          4afbc8b795da9f9b067c7df51200c360853aac47

          SHA256

          fba0c53c2c8474675d779172a6acb413f7a81ade4f983616e08b117a55555c94

          SHA512

          cf6f782ebded8ae27119b606c3edc972f063c49e444cfab4d78ed356bc2f5089abecc93cc0d0d3d3356f01237857b7bf21d262fc5899867e69bca193d8894676

        • C:\Users\ToxicEye\rat.exe

          Filesize

          105KB

          MD5

          da9cc4e4135e5ab525f11c3b3f664096

          SHA1

          4afbc8b795da9f9b067c7df51200c360853aac47

          SHA256

          fba0c53c2c8474675d779172a6acb413f7a81ade4f983616e08b117a55555c94

          SHA512

          cf6f782ebded8ae27119b606c3edc972f063c49e444cfab4d78ed356bc2f5089abecc93cc0d0d3d3356f01237857b7bf21d262fc5899867e69bca193d8894676

        • memory/2144-0-0x0000000000B60000-0x0000000000B80000-memory.dmp

          Filesize

          128KB

        • memory/2144-1-0x000007FEF5830000-0x000007FEF621C000-memory.dmp

          Filesize

          9.9MB

        • memory/2144-2-0x000000001AF60000-0x000000001AFE0000-memory.dmp

          Filesize

          512KB

        • memory/2144-6-0x000007FEF5830000-0x000007FEF621C000-memory.dmp

          Filesize

          9.9MB

        • memory/2488-10-0x0000000000130000-0x0000000000150000-memory.dmp

          Filesize

          128KB

        • memory/2488-11-0x000007FEF4E40000-0x000007FEF582C000-memory.dmp

          Filesize

          9.9MB

        • memory/2488-12-0x000007FEF4E40000-0x000007FEF582C000-memory.dmp

          Filesize

          9.9MB