Analysis

  • max time kernel
    136s
  • max time network
    140s
  • platform
    windows10-1703_x64
  • resource
    win10-20231023-en
  • resource tags

    arch:x64arch:x86image:win10-20231023-enlocale:en-usos:windows10-1703-x64system
  • submitted
    12-11-2023 16:01

General

  • Target

    lib.exe

  • Size

    1.2MB

  • MD5

    d39f50f7840e788f9aabb6fc571b954b

  • SHA1

    b3a05caf1aa8b5767a9f84f57fd269ab0a7034f4

  • SHA256

    58e05a5c06fdf6566e9b58805b90a33568a2a1e67fd973c9a95b4b8d3be1d375

  • SHA512

    dd3dbb76b910f2f1e265dc68e7b12aa92e3fafc0839181fdd8ca800cbc39a7d57d57dd1316800358cff5d523643a61d57c4f695e1c598bf2bc21b494a3745fce

  • SSDEEP

    24576:+GhtNUS/L+lGr6T6beITFwVx3mpYkb1rNmFpEvu954SkIEN6yaJRq+:+GJR/qlK6gtTaVxSvyAuX4SknkRD

Score
10/10

Malware Config

Extracted

Family

toxiceye

C2

https://api.telegram.org/bot6834433996:AAGJy757LSjxghxJ7K6QegRWYUfoJwS7zOo/sendMessage?chat_id=1149368640

Signatures

  • ToxicEye

    ToxicEye is a trojan written in C#.

  • Executes dropped EXE 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 14 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 use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\lib.exe
    "C:\Users\Admin\AppData\Local\Temp\lib.exe"
    1⤵
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2456
    • C:\Windows\SysWOW64\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:4020
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C C:\Users\Admin\AppData\Local\Temp\tmpC36F.tmp.bat & Del C:\Users\Admin\AppData\Local\Temp\tmpC36F.tmp.bat
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2316
      • C:\Windows\SysWOW64\find.exe
        find ":"
        3⤵
          PID:2080
        • C:\Windows\SysWOW64\tasklist.exe
          Tasklist /fi "PID eq 2456"
          3⤵
          • Enumerates processes with tasklist
          • Suspicious use of AdjustPrivilegeToken
          PID:796
        • C:\Windows\SysWOW64\timeout.exe
          Timeout /T 1 /Nobreak
          3⤵
          • Delays execution with timeout.exe
          PID:4260
        • C:\Users\ToxicEye\rat.exe
          "rat.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious use of NtSetInformationThreadHideFromDebugger
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:4144
          • C:\Windows\SysWOW64\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:4960

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmpC36F.tmp.bat

      Filesize

      180B

      MD5

      1ac3fe7dedfafff46028ab61e7d5c9b5

      SHA1

      97fdd75caecb296bf172d6301746bcdb66a178f9

      SHA256

      8e9fda2f0b46fa69d57c32de014b6ec29a46170aba33ce5159420ed4fa3a8b70

      SHA512

      1a31237081d1defa50ab4f03dc94d8b044119bf264005c958b68f3107a782981ac184e11a4c7f636bc229395df85b47539705b226f2c3ca440e9adf6dd9ddb53

    • C:\Users\ToxicEye\rat.exe

      Filesize

      1.2MB

      MD5

      d39f50f7840e788f9aabb6fc571b954b

      SHA1

      b3a05caf1aa8b5767a9f84f57fd269ab0a7034f4

      SHA256

      58e05a5c06fdf6566e9b58805b90a33568a2a1e67fd973c9a95b4b8d3be1d375

      SHA512

      dd3dbb76b910f2f1e265dc68e7b12aa92e3fafc0839181fdd8ca800cbc39a7d57d57dd1316800358cff5d523643a61d57c4f695e1c598bf2bc21b494a3745fce

    • C:\Users\ToxicEye\rat.exe

      Filesize

      1.2MB

      MD5

      d39f50f7840e788f9aabb6fc571b954b

      SHA1

      b3a05caf1aa8b5767a9f84f57fd269ab0a7034f4

      SHA256

      58e05a5c06fdf6566e9b58805b90a33568a2a1e67fd973c9a95b4b8d3be1d375

      SHA512

      dd3dbb76b910f2f1e265dc68e7b12aa92e3fafc0839181fdd8ca800cbc39a7d57d57dd1316800358cff5d523643a61d57c4f695e1c598bf2bc21b494a3745fce

    • memory/2456-2-0x0000000072FA0000-0x000000007368E000-memory.dmp

      Filesize

      6.9MB

    • memory/2456-1-0x0000000000320000-0x00000000006C4000-memory.dmp

      Filesize

      3.6MB

    • memory/2456-3-0x0000000006A60000-0x0000000006F5E000-memory.dmp

      Filesize

      5.0MB

    • memory/2456-4-0x0000000006390000-0x0000000006422000-memory.dmp

      Filesize

      584KB

    • memory/2456-5-0x0000000006550000-0x0000000006560000-memory.dmp

      Filesize

      64KB

    • memory/2456-6-0x0000000006430000-0x0000000006496000-memory.dmp

      Filesize

      408KB

    • memory/2456-10-0x0000000000320000-0x00000000006C4000-memory.dmp

      Filesize

      3.6MB

    • memory/2456-11-0x0000000072FA0000-0x000000007368E000-memory.dmp

      Filesize

      6.9MB

    • memory/2456-0-0x0000000000320000-0x00000000006C4000-memory.dmp

      Filesize

      3.6MB

    • memory/4144-20-0x0000000002EB0000-0x0000000002EC0000-memory.dmp

      Filesize

      64KB

    • memory/4144-25-0x0000000002EB0000-0x0000000002EC0000-memory.dmp

      Filesize

      64KB

    • memory/4144-17-0x0000000001270000-0x0000000001614000-memory.dmp

      Filesize

      3.6MB

    • memory/4144-19-0x0000000001270000-0x0000000001614000-memory.dmp

      Filesize

      3.6MB

    • memory/4144-15-0x0000000001270000-0x0000000001614000-memory.dmp

      Filesize

      3.6MB

    • memory/4144-21-0x0000000001270000-0x0000000001614000-memory.dmp

      Filesize

      3.6MB

    • memory/4144-22-0x0000000001270000-0x0000000001614000-memory.dmp

      Filesize

      3.6MB

    • memory/4144-23-0x0000000001270000-0x0000000001614000-memory.dmp

      Filesize

      3.6MB

    • memory/4144-24-0x0000000072FA0000-0x000000007368E000-memory.dmp

      Filesize

      6.9MB

    • memory/4144-18-0x0000000072FA0000-0x000000007368E000-memory.dmp

      Filesize

      6.9MB

    • memory/4144-26-0x0000000001270000-0x0000000001614000-memory.dmp

      Filesize

      3.6MB

    • memory/4144-27-0x0000000001270000-0x0000000001614000-memory.dmp

      Filesize

      3.6MB

    • memory/4144-28-0x0000000001270000-0x0000000001614000-memory.dmp

      Filesize

      3.6MB

    • memory/4144-29-0x0000000001270000-0x0000000001614000-memory.dmp

      Filesize

      3.6MB

    • memory/4144-30-0x0000000001270000-0x0000000001614000-memory.dmp

      Filesize

      3.6MB

    • memory/4144-31-0x0000000001270000-0x0000000001614000-memory.dmp

      Filesize

      3.6MB

    • memory/4144-32-0x0000000001270000-0x0000000001614000-memory.dmp

      Filesize

      3.6MB

    • memory/4144-33-0x0000000001270000-0x0000000001614000-memory.dmp

      Filesize

      3.6MB

    • memory/4144-34-0x0000000001270000-0x0000000001614000-memory.dmp

      Filesize

      3.6MB

    • memory/4144-35-0x0000000001270000-0x0000000001614000-memory.dmp

      Filesize

      3.6MB