Analysis

  • max time kernel
    117s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    02-03-2024 03:47

General

  • Target

    TelegramRAT.exe

  • Size

    141KB

  • MD5

    2e421076fded17a6c3643d2d65b6d344

  • SHA1

    8c2d9e0e6b16ab6ddeaacf661f5bf7b472911dd5

  • SHA256

    872d241e41e2b657746d8d66b3bce7377790d9793d987929482f088f960c8591

  • SHA512

    1f275c68f898d96cb34ac2027016ee78b0ac2211dc5003ba94c07ea93a66eecd1935c3a14b6b16826447d3beb93f1162499d3fe69fdc49b06c8fd1647812601d

  • SSDEEP

    3072:lkSfx+nPu2KiQQ7+ofe7Uoxo1bKm1/QW4aCrAZrxIhsz:Sax+nmSn7B1bZ32

Score
10/10

Malware Config

Extracted

Family

toxiceye

C2

https://api.telegram.org/bot7040511851:AAEjBKSxADGWlNtLxaKpotGtf53NUQ1UgAo/sendMessage?chat_id=6226815698

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 1 IoCs
  • Enumerates processes with tasklist 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 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:2368
    • C:\Windows\System32\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /create /f /sc ONLOGON /RL HIGHEST /tn "Chrome Update" /tr "C:\a\rat.exe"
      2⤵
      • Creates scheduled task(s)
      PID:1484
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /C C:\Users\Admin\AppData\Local\Temp\tmp4EFA.tmp.bat & Del C:\Users\Admin\AppData\Local\Temp\tmp4EFA.tmp.bat
      2⤵
      • Deletes itself
      • Suspicious use of WriteProcessMemory
      PID:2456
      • C:\Windows\system32\tasklist.exe
        Tasklist /fi "PID eq 2368"
        3⤵
        • Enumerates processes with tasklist
        • Suspicious use of AdjustPrivilegeToken
        PID:2836
      • C:\Windows\system32\find.exe
        find ":"
        3⤵
          PID:2476
        • C:\Windows\system32\timeout.exe
          Timeout /T 1 /Nobreak
          3⤵
          • Delays execution with timeout.exe
          PID:2504
        • C:\a\rat.exe
          "rat.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:1212
          • C:\Windows\System32\schtasks.exe
            "C:\Windows\System32\schtasks.exe" /create /f /sc ONLOGON /RL HIGHEST /tn "Chrome Update" /tr "C:\a\rat.exe"
            4⤵
            • Creates scheduled task(s)
            PID:948
          • C:\Windows\system32\WerFault.exe
            C:\Windows\system32\WerFault.exe -u -p 1212 -s 1568
            4⤵
              PID:528

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Local\Temp\tmp4EFA.tmp.bat

        Filesize

        175B

        MD5

        d5b9d918d4eea15d4269d712755493a9

        SHA1

        df3a28bf5c0533161e944ac8ee6665101960bb5c

        SHA256

        6ae3e6cc9b3bccdef1fe47e3829d2ee0aee4daf82aa69335ef61572bc9d0b6fa

        SHA512

        031be5c54d39c37569da2ddc63e7615c6bb8f651efa5c71e8c548f59bd53dae6e0db2545748abf665d384bb4aee36be8a9cd19e47189e41cf983bce10d699bc7

      • C:\a\rat.exe

        Filesize

        141KB

        MD5

        2e421076fded17a6c3643d2d65b6d344

        SHA1

        8c2d9e0e6b16ab6ddeaacf661f5bf7b472911dd5

        SHA256

        872d241e41e2b657746d8d66b3bce7377790d9793d987929482f088f960c8591

        SHA512

        1f275c68f898d96cb34ac2027016ee78b0ac2211dc5003ba94c07ea93a66eecd1935c3a14b6b16826447d3beb93f1162499d3fe69fdc49b06c8fd1647812601d

      • memory/1212-10-0x0000000001010000-0x000000000103A000-memory.dmp

        Filesize

        168KB

      • memory/1212-11-0x000007FEF5820000-0x000007FEF620C000-memory.dmp

        Filesize

        9.9MB

      • memory/1212-12-0x000007FEF5820000-0x000007FEF620C000-memory.dmp

        Filesize

        9.9MB

      • memory/2368-0-0x0000000001390000-0x00000000013BA000-memory.dmp

        Filesize

        168KB

      • memory/2368-1-0x000007FEF6210000-0x000007FEF6BFC000-memory.dmp

        Filesize

        9.9MB

      • memory/2368-2-0x000000001AFE0000-0x000000001B060000-memory.dmp

        Filesize

        512KB

      • memory/2368-6-0x000007FEF6210000-0x000007FEF6BFC000-memory.dmp

        Filesize

        9.9MB