Analysis

  • max time kernel
    149s
  • max time network
    150s
  • 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 03:41

General

  • Target

    TelegramRAT.exe

  • Size

    141KB

  • MD5

    cd98e162b45967ddb90eee3cb19edd82

  • SHA1

    f7d60aa415d06dd5d144f74081dac60b85e8103a

  • SHA256

    6aeebc4573ddec9d5008582d7984d4014fb56c4c3e1a15ab2b06adb00e7878ad

  • SHA512

    21ead7050502545121b8d059be5493942087fd496a4a864a24df520d4d815dd23573ea0450ba5738286f824337a1392d3ffba0d580a8a96182cea41a5ff0cd6c

  • SSDEEP

    3072:ux57ZFDCfyVRHpy756OtAVIqOYiibKmCPQW4eCrAZrCeni:ohZFDCfyVRJchDebZoV

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#.

  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 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 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 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.

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:860
    • 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:4980
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /C C:\Users\Admin\AppData\Local\Temp\tmp56CB.tmp.bat & Del C:\Users\Admin\AppData\Local\Temp\tmp56CB.tmp.bat
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4816
      • C:\Windows\system32\tasklist.exe
        Tasklist /fi "PID eq 860"
        3⤵
        • Enumerates processes with tasklist
        • Suspicious use of AdjustPrivilegeToken
        PID:3936
      • C:\Windows\system32\find.exe
        find ":"
        3⤵
          PID:3344
        • C:\Windows\system32\timeout.exe
          Timeout /T 1 /Nobreak
          3⤵
          • Delays execution with timeout.exe
          PID:3460
        • 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:4536
          • 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:412

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmp56CB.tmp.bat

      Filesize

      174B

      MD5

      80b93bbfc9c28d33275db3996473c752

      SHA1

      7ca10d186c3c6c8a9882bc32c147b70f3047fe67

      SHA256

      decba9dbd9162602de76aef3ca111ee5df1706b7ab25d5bc7d8e0758d863f20e

      SHA512

      a9e5fd4f3e9ab43289533b038ce402098675d472571046c634ab7025f4148f15eee3b53f14de0cd5111cbfc89e944f5eac3fc5a13f7563c1b492b1b9598b5d3a

    • C:\a\rat.exe

      Filesize

      141KB

      MD5

      cd98e162b45967ddb90eee3cb19edd82

      SHA1

      f7d60aa415d06dd5d144f74081dac60b85e8103a

      SHA256

      6aeebc4573ddec9d5008582d7984d4014fb56c4c3e1a15ab2b06adb00e7878ad

      SHA512

      21ead7050502545121b8d059be5493942087fd496a4a864a24df520d4d815dd23573ea0450ba5738286f824337a1392d3ffba0d580a8a96182cea41a5ff0cd6c

    • memory/860-0-0x0000015C84410000-0x0000015C8443A000-memory.dmp

      Filesize

      168KB

    • memory/860-1-0x00007FFDB2A20000-0x00007FFDB34E1000-memory.dmp

      Filesize

      10.8MB

    • memory/860-2-0x0000015C9E8B0000-0x0000015C9E8C0000-memory.dmp

      Filesize

      64KB

    • memory/860-6-0x00007FFDB2A20000-0x00007FFDB34E1000-memory.dmp

      Filesize

      10.8MB

    • memory/4536-11-0x00007FFDB2A20000-0x00007FFDB34E1000-memory.dmp

      Filesize

      10.8MB

    • memory/4536-12-0x0000019226920000-0x0000019226930000-memory.dmp

      Filesize

      64KB

    • memory/4536-15-0x00007FFDB2A20000-0x00007FFDB34E1000-memory.dmp

      Filesize

      10.8MB