Analysis

  • max time kernel
    150s
  • max time network
    126s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-08-2024 22:20

General

  • Target

    TelegramRAT.exe

  • Size

    111KB

  • MD5

    3cdefec5518d17dd30d6ae5d2b10a7aa

  • SHA1

    d930c4be3e11056a01d88fc204ede07292b70a38

  • SHA256

    1ee0f288b931c649d0442590346cb778a3706d74322c24e1714cf124e9f23b68

  • SHA512

    1f12b82dba779a72be66d513ce72518f79bc97282211685bc9b42f0f1a8c2dd756cb372c44c917b11afcc6a71d581a6747f3acd5d6b54743f6b7b689a8c32f69

  • SSDEEP

    1536:y+bAQAsnqLoM91qQIwxHxZxdyyKDWfCbhDqI64QWEzCrAZuhN7Dg:VbKsnwo0RZxjQbxqH4QWEzCrAZuhZg

Malware Config

Extracted

Family

toxiceye

C2

https://api.telegram.org/bot7302074945:AAGKx5TnjPyRM_fqN4XQLd4uz-PUp4nl8w4/sendMessage?chat_id=6414125020

Signatures

  • ToxicEye

    ToxicEye is a trojan written in C#.

  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Enumerates processes with tasklist 1 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Delays execution with timeout.exe 1 IoCs
  • Modifies data under HKEY_USERS 15 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 4 IoCs
  • Suspicious behavior: LoadsDriver 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 16 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⤵
    • Checks computer location settings
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1260
    • 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⤵
      • Scheduled Task/Job: Scheduled Task
      PID:1588
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /C C:\Users\Admin\AppData\Local\Temp\tmp631F.tmp.bat & Del C:\Users\Admin\AppData\Local\Temp\tmp631F.tmp.bat
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3936
      • C:\Windows\system32\tasklist.exe
        Tasklist /fi "PID eq 1260"
        3⤵
        • Enumerates processes with tasklist
        • Suspicious use of AdjustPrivilegeToken
        PID:2920
      • C:\Windows\system32\find.exe
        find ":"
        3⤵
          PID:908
        • C:\Windows\system32\timeout.exe
          Timeout /T 1 /Nobreak
          3⤵
          • Delays execution with timeout.exe
          PID:4824
        • C:\Users\ToxicEye\rat.exe
          "rat.exe"
          3⤵
          • Checks computer location settings
          • Executes dropped EXE
          • Suspicious behavior: AddClipboardFormatListener
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:808
          • 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⤵
            • Scheduled Task/Job: Scheduled Task
            PID:3052
          • C:\Windows\System32\shutdown.exe
            "C:\Windows\System32\shutdown.exe" /l
            4⤵
              PID:4972
      • C:\Windows\system32\LogonUI.exe
        "LogonUI.exe" /flags:0x4 /state0:0xa3953055 /state1:0x41c64e6d
        1⤵
        • Modifies data under HKEY_USERS
        • Suspicious use of SetWindowsHookEx
        PID:4864

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Local\Temp\tmp631F.tmp.bat

        Filesize

        188B

        MD5

        4beaa73507c515d930ab4c676537d452

        SHA1

        79e64e3a5048e295bd46168c92b423c6d8b1eb18

        SHA256

        271e23214f3cc8ef5d6911d327543718a1308f176bab027eb33869c5810e7e5e

        SHA512

        d5100cda35382b1262c9bc49a0fd629c1543a4ed9ca8022c18f357bef9808aeb0aba75e99f38a30a6a7e48b823f887c8d27d4b14783f6d1e2ea4dbf41cdc96a0

      • C:\Users\ToxicEye\rat.exe

        Filesize

        111KB

        MD5

        3cdefec5518d17dd30d6ae5d2b10a7aa

        SHA1

        d930c4be3e11056a01d88fc204ede07292b70a38

        SHA256

        1ee0f288b931c649d0442590346cb778a3706d74322c24e1714cf124e9f23b68

        SHA512

        1f12b82dba779a72be66d513ce72518f79bc97282211685bc9b42f0f1a8c2dd756cb372c44c917b11afcc6a71d581a6747f3acd5d6b54743f6b7b689a8c32f69

      • memory/808-11-0x000001C935570000-0x000001C93561A000-memory.dmp

        Filesize

        680KB

      • memory/808-12-0x000001C935620000-0x000001C935696000-memory.dmp

        Filesize

        472KB

      • memory/1260-0-0x00007FF95A9B3000-0x00007FF95A9B5000-memory.dmp

        Filesize

        8KB

      • memory/1260-1-0x000002420CE70000-0x000002420CE92000-memory.dmp

        Filesize

        136KB

      • memory/1260-2-0x00007FF95A9B0000-0x00007FF95B471000-memory.dmp

        Filesize

        10.8MB

      • memory/1260-6-0x00007FF95A9B0000-0x00007FF95B471000-memory.dmp

        Filesize

        10.8MB