Overview

overview

10

Static

static

10

TelegramRAT.exe

windows7-x64

10

TelegramRAT.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-03-2024 04:04

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General

  • Target

    TelegramRAT.exe

  • Size

    140KB

  • MD5

    dfa6fcf1c40b948797c4826414a630de

  • SHA1

    200faa577f4c2c9e6f15d0c01376ca9c16d87250

  • SHA256

    4090a62dc4c113b58b3cbc28832fcb03dcb33c4c257c5ec65e3c574dbc12db2a

  • SHA512

    f4e8ff21aee6d26cc985baa2bcc2b13d51d25b849f8f3ef7fffecc23ecbc092729ec409c2827671736c68a43d98edc896723e04912672aecbad894e381094e53

  • SSDEEP

    3072:ukSfxDxDP+tVofe7UoxvxbKm1/QW4aCrAZ5KLhga:xaxNCLxbZ36

Score
10/10
toxiceyeratspywarestealertrojan

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#.

    rattrojantoxiceye
  • Downloads MZ/PE file
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 3 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.

    persistence
  • Delays execution with timeout.exe 1 IoCs
    evasion
  • Enumerates processes with tasklist 1 TTPs 1 IoCs
  • Opens file in notepad (likely ransom note) 1 IoCs
    ransomware
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 14 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.

    persistence

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:2024
    • 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:452
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /C C:\Users\Admin\AppData\Local\Temp\tmpD66A.tmp.bat & Del C:\Users\Admin\AppData\Local\Temp\tmpD66A.tmp.bat
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:540
      • C:\Windows\system32\tasklist.exe
        Tasklist /fi "PID eq 2024"
        3⤵
        • Enumerates processes with tasklist
        • Suspicious use of AdjustPrivilegeToken
        PID:3804
      • C:\Windows\system32\find.exe
        find ":"
        3⤵
          PID:1004
        • C:\Windows\system32\timeout.exe
          Timeout /T 1 /Nobreak
          3⤵
          • Delays execution with timeout.exe
          PID:1584
        • C:\a\rat.exe
          "rat.exe"
          3⤵
          • Checks computer location settings
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:4760
          • 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:3640
    • C:\Windows\system32\NOTEPAD.EXE
      "C:\Windows\system32\NOTEPAD.EXE" C:\vcredist2012_x86_0_vcRuntimeMinimum_x86.log
      1⤵
      • Opens file in notepad (likely ransom note)
      • Suspicious use of FindShellTrayWindow
      PID:2116
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3940 --field-trial-handle=2284,i,15722001240173834669,15048020084704567542,262144 --variations-seed-version /prefetch:8
      1⤵
        PID:3888

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Local\Temp\tmpD66A.tmp.bat
        Filesize

        175B

        MD5

        c4b6ff2a55362ba004ca27f1be91f2c9

        SHA1

        81995d9e6e318501a072207234fc497cffe48fc9

        SHA256

        7c79d0287fa6de54fce9122c845a9b7c64017d10fa4fc14aa9d94058c3f120c0

        SHA512

        c11909152cd8d0a6d63729b5fea0977b4053cd53a8dc9bc772d7b1720785a211412734219c0c0af8e6e47d176db1e9c36ccf74924bcca8486237bbbf22e1f6a3

        Download Submit

      • C:\a\rat.exe
        Filesize

        140KB

        MD5

        dfa6fcf1c40b948797c4826414a630de

        SHA1

        200faa577f4c2c9e6f15d0c01376ca9c16d87250

        SHA256

        4090a62dc4c113b58b3cbc28832fcb03dcb33c4c257c5ec65e3c574dbc12db2a

        SHA512

        f4e8ff21aee6d26cc985baa2bcc2b13d51d25b849f8f3ef7fffecc23ecbc092729ec409c2827671736c68a43d98edc896723e04912672aecbad894e381094e53

        Download Submit

      • memory/2024-0-0x00000272B6D00000-0x00000272B6D2A000-memory.dmp

        Filesize

        168KB

        Download

      • memory/2024-1-0x00007FF9840E0000-0x00007FF984BA1000-memory.dmp

        Filesize

        10.8MB

        Download

      • memory/2024-2-0x00000272B8A80000-0x00000272B8A90000-memory.dmp

        Filesize

        64KB

        Download

      • memory/2024-6-0x00007FF9840E0000-0x00007FF984BA1000-memory.dmp

        Filesize

        10.8MB

        Download

      • memory/4760-11-0x00007FF983D00000-0x00007FF9847C1000-memory.dmp

        Filesize

        10.8MB

        Download

      • memory/4760-12-0x000001ECBFF10000-0x000001ECBFF20000-memory.dmp

        Filesize

        64KB

        Download

      • memory/4760-15-0x000001ECC1070000-0x000001ECC107A000-memory.dmp

        Filesize

        40KB

        Download

      • memory/4760-16-0x000001ECBFF10000-0x000001ECBFF20000-memory.dmp

        Filesize

        64KB

        Download

      • memory/4760-17-0x000001ECC1030000-0x000001ECC1042000-memory.dmp

        Filesize

        72KB

        Download

      • memory/4760-43-0x00007FF983D00000-0x00007FF9847C1000-memory.dmp

        Filesize

        10.8MB

        Download

      • memory/4760-44-0x000001ECBFF10000-0x000001ECBFF20000-memory.dmp

        Filesize

        64KB

        Download

      • memory/4760-45-0x000001ECBFF10000-0x000001ECBFF20000-memory.dmp

        Filesize

        64KB

        Download

      • memory/4760-46-0x000001ECBFF10000-0x000001ECBFF20000-memory.dmp

        Filesize

        64KB

        Download