Analysis

  • max time kernel
    132s
  • max time network
    137s
  • platform
    windows7_x64
  • resource
    win7-20231023-en
  • resource tags

    arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-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#.

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 13 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 28 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:3028
    • 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:3056
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C C:\Users\Admin\AppData\Local\Temp\tmpACF2.tmp.bat & Del C:\Users\Admin\AppData\Local\Temp\tmpACF2.tmp.bat
      2⤵
      • Deletes itself
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2508
      • C:\Windows\SysWOW64\find.exe
        find ":"
        3⤵
          PID:2520
        • C:\Windows\SysWOW64\tasklist.exe
          Tasklist /fi "PID eq 3028"
          3⤵
          • Enumerates processes with tasklist
          • Suspicious use of AdjustPrivilegeToken
          PID:1700
        • C:\Windows\SysWOW64\timeout.exe
          Timeout /T 1 /Nobreak
          3⤵
          • Delays execution with timeout.exe
          PID:2492
        • 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:2272
          • 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:2660

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmpACF2.tmp.bat

      Filesize

      180B

      MD5

      18c8923e877f737a46eeefb0351a75f1

      SHA1

      3fa887fc983df69c6366ea8a6b05fbab35062031

      SHA256

      9eb44c8ca55952edbdec8b0f54a81a4d75e072acc81be93ba73b02e6b5916c4e

      SHA512

      c7e6464ab447a71305ab75bf0a1115cec887aa13825112b7e07a5b2423fcb7f4e86991e4fbf1659eb28d7b8e262485ea48dff4d2464bf642b141dd4ff4d91f4b

    • 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

    • \Users\ToxicEye\rat.exe

      Filesize

      1.2MB

      MD5

      d39f50f7840e788f9aabb6fc571b954b

      SHA1

      b3a05caf1aa8b5767a9f84f57fd269ab0a7034f4

      SHA256

      58e05a5c06fdf6566e9b58805b90a33568a2a1e67fd973c9a95b4b8d3be1d375

      SHA512

      dd3dbb76b910f2f1e265dc68e7b12aa92e3fafc0839181fdd8ca800cbc39a7d57d57dd1316800358cff5d523643a61d57c4f695e1c598bf2bc21b494a3745fce

    • memory/2272-16-0x0000000002560000-0x00000000025A0000-memory.dmp

      Filesize

      256KB

    • memory/2272-17-0x0000000000840000-0x0000000000BE4000-memory.dmp

      Filesize

      3.6MB

    • memory/2272-29-0x0000000000840000-0x0000000000BE4000-memory.dmp

      Filesize

      3.6MB

    • memory/2272-28-0x0000000000840000-0x0000000000BE4000-memory.dmp

      Filesize

      3.6MB

    • memory/2272-27-0x0000000000840000-0x0000000000BE4000-memory.dmp

      Filesize

      3.6MB

    • memory/2272-26-0x0000000000840000-0x0000000000BE4000-memory.dmp

      Filesize

      3.6MB

    • memory/2272-13-0x0000000000840000-0x0000000000BE4000-memory.dmp

      Filesize

      3.6MB

    • memory/2272-25-0x0000000000840000-0x0000000000BE4000-memory.dmp

      Filesize

      3.6MB

    • memory/2272-14-0x0000000000840000-0x0000000000BE4000-memory.dmp

      Filesize

      3.6MB

    • memory/2272-15-0x0000000074D10000-0x00000000753FE000-memory.dmp

      Filesize

      6.9MB

    • memory/2272-24-0x0000000000840000-0x0000000000BE4000-memory.dmp

      Filesize

      3.6MB

    • memory/2272-23-0x0000000000840000-0x0000000000BE4000-memory.dmp

      Filesize

      3.6MB

    • memory/2272-18-0x0000000000840000-0x0000000000BE4000-memory.dmp

      Filesize

      3.6MB

    • memory/2272-19-0x0000000074D10000-0x00000000753FE000-memory.dmp

      Filesize

      6.9MB

    • memory/2272-20-0x0000000002560000-0x00000000025A0000-memory.dmp

      Filesize

      256KB

    • memory/2272-21-0x0000000000840000-0x0000000000BE4000-memory.dmp

      Filesize

      3.6MB

    • memory/2272-22-0x0000000000840000-0x0000000000BE4000-memory.dmp

      Filesize

      3.6MB

    • memory/2508-11-0x0000000002050000-0x00000000023F4000-memory.dmp

      Filesize

      3.6MB

    • memory/3028-6-0x0000000001210000-0x00000000015B4000-memory.dmp

      Filesize

      3.6MB

    • memory/3028-0-0x0000000001210000-0x00000000015B4000-memory.dmp

      Filesize

      3.6MB

    • memory/3028-2-0x0000000074CF0000-0x00000000753DE000-memory.dmp

      Filesize

      6.9MB

    • memory/3028-1-0x0000000001210000-0x00000000015B4000-memory.dmp

      Filesize

      3.6MB

    • memory/3028-3-0x0000000005C10000-0x0000000005C50000-memory.dmp

      Filesize

      256KB

    • memory/3028-8-0x0000000074CF0000-0x00000000753DE000-memory.dmp

      Filesize

      6.9MB