Analysis

  • max time kernel
    65s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    18-07-2024 13:19

General

  • Target

    TelegramRAT.exe

  • Size

    111KB

  • MD5

    3c6f5e7ca1f0279c860554b7b4dfaf5d

  • SHA1

    15c4baaa666353eb7dd5d28a76aead8bf14bc352

  • SHA256

    f7514a2e0e612b0b4211c4655fedc3a7052578f38f1bfe131e2213102c164e34

  • SHA512

    1c8ac972d4ef27ec0f80e850137a8f19c95c72b97f2dede9c4d0caf007709133a5f2e248f6f04bc6e30fbbea742b8f4ae66a4f3408ab0d00ca48c48865947b09

  • SSDEEP

    1536:l+b6QDWv5IDlOM91qQIwy3xZxdyyKDWfybhDqI6oQWVzCrAZuW5TDx:Ib2IpOLhZxjQbxqHoQWVzCrAZuWRx

Score
10/10

Malware Config

Extracted

Family

toxiceye

C2

https://api.telegram.org/bot7074076538:AAGqOb5C3l0YTijTUMFzandCeulk-NFhSz0/sendMessage?chat_id=5623362319

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).

  • Delays execution with timeout.exe 1 IoCs
  • Enumerates processes with tasklist 1 TTPs 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 3 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\TelegramRAT.exe
    "C:\Users\Admin\AppData\Local\Temp\TelegramRAT.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3032
    • C:\Windows\System32\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /create /f /sc ONLOGON /RL HIGHEST /tn "Windows Update" /tr "C:\Users\Public\Downloads\dupe.exe"
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:2688
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /C C:\Users\Admin\AppData\Local\Temp\tmp1FC0.tmp.bat & Del C:\Users\Admin\AppData\Local\Temp\tmp1FC0.tmp.bat
      2⤵
      • Deletes itself
      • Suspicious use of WriteProcessMemory
      PID:3048
      • C:\Windows\system32\tasklist.exe
        Tasklist /fi "PID eq 3032"
        3⤵
        • Enumerates processes with tasklist
        • Suspicious use of AdjustPrivilegeToken
        PID:2780
      • C:\Windows\system32\find.exe
        find ":"
        3⤵
          PID:2356
        • C:\Windows\system32\timeout.exe
          Timeout /T 1 /Nobreak
          3⤵
          • Delays execution with timeout.exe
          PID:2712
        • C:\Users\Public\Downloads\dupe.exe
          "dupe.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious behavior: AddClipboardFormatListener
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:2704
          • C:\Windows\System32\schtasks.exe
            "C:\Windows\System32\schtasks.exe" /create /f /sc ONLOGON /RL HIGHEST /tn "Windows Update" /tr "C:\Users\Public\Downloads\dupe.exe"
            4⤵
            • Scheduled Task/Job: Scheduled Task
            PID:2220
          • C:\Windows\system32\WerFault.exe
            C:\Windows\system32\WerFault.exe -u -p 2704 -s 1428
            4⤵
              PID:564

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Local\Temp\tmp1FC0.tmp.bat

        Filesize

        197B

        MD5

        4d2611e432324250e91f3faf8ce93821

        SHA1

        2796e3ce571f438a047557bb9f2f5abf58bbded9

        SHA256

        ab15e789d729673c7ac19534033ad196acf2ae6da021f3f720658a02b505b47c

        SHA512

        6d477cee25bb106734a8df575fdc8f1c44b0bd96200918c575dbc6fc9db6436b2830d1c365a44d48fedbd8d9bb602bb1081b2bc590654874532aa1bcdccad646

      • C:\Users\Public\Downloads\dupe.exe

        Filesize

        111KB

        MD5

        3c6f5e7ca1f0279c860554b7b4dfaf5d

        SHA1

        15c4baaa666353eb7dd5d28a76aead8bf14bc352

        SHA256

        f7514a2e0e612b0b4211c4655fedc3a7052578f38f1bfe131e2213102c164e34

        SHA512

        1c8ac972d4ef27ec0f80e850137a8f19c95c72b97f2dede9c4d0caf007709133a5f2e248f6f04bc6e30fbbea742b8f4ae66a4f3408ab0d00ca48c48865947b09

      • memory/2704-10-0x0000000001350000-0x0000000001372000-memory.dmp

        Filesize

        136KB

      • memory/3032-0-0x000007FEF6193000-0x000007FEF6194000-memory.dmp

        Filesize

        4KB

      • memory/3032-1-0x0000000000EF0000-0x0000000000F12000-memory.dmp

        Filesize

        136KB

      • memory/3032-2-0x000007FEF6190000-0x000007FEF6B7C000-memory.dmp

        Filesize

        9.9MB

      • memory/3032-5-0x000007FEF6190000-0x000007FEF6B7C000-memory.dmp

        Filesize

        9.9MB