Analysis

  • max time kernel
    14s
  • max time network
    13s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    13-07-2024 20:38

General

  • Target

    Win-XwormRat-builder.exe

  • Size

    928KB

  • MD5

    db9df61757cc712eb190955371d24937

  • SHA1

    308155685a2bcc0369a63d1ac2c13c7293cedce7

  • SHA256

    276d53b6f343cffb4e81e6db87b30dce162b82dd2ed9aea49d754cdfba8e865a

  • SHA512

    cf2ab30da84cdee5988c52f08403a33d99f5565839959763aaa4b34745251cc32839e466e7c6c27f83145bc10b55e0f279a4165af58db28156f34aa2b44a921e

  • SSDEEP

    12288:V8pICumxgLj3PSg+Gfqxk01P6RNGZS7yK8g3dviBOEBkCtip/y6Lr9vXjdkpgLMk:p1ixARrLl1/1q+

Score
10/10

Malware Config

Extracted

Family

toxiceye

C2

https://api.telegram.org/bot5536756167:AAFMcQrFbMZMBynbrtZUudaOT9ndCJXIqT4/sendMessage?chat_id=2024893777

Signatures

  • ToxicEye

    ToxicEye is a trojan written in C#.

  • Executes dropped EXE 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Delays execution with timeout.exe 2 IoCs
  • Enumerates processes with tasklist 1 TTPs 2 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: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 39 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\Win-XwormRat-builder.exe
    "C:\Users\Admin\AppData\Local\Temp\Win-XwormRat-builder.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2996
    • C:\Users\Admin\AppData\Local\Temp\win-xwarm-builder.exe
      "C:\Users\Admin\AppData\Local\Temp\win-xwarm-builder.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:620
      • C:\Windows\System32\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /create /f /sc ONLOGON /RL HIGHEST /tn "Chrome Update" /tr "C:\Users\Static\Update.exe"
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:2792
      • C:\Windows\System32\cmd.exe
        "C:\Windows\System32\cmd.exe" /C C:\Users\Admin\AppData\Local\Temp\tmpFBCC.tmp.bat & Del C:\Users\Admin\AppData\Local\Temp\tmpFBCC.tmp.bat
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2672
        • C:\Windows\system32\tasklist.exe
          Tasklist /fi "PID eq 620"
          4⤵
          • Enumerates processes with tasklist
          • Suspicious use of AdjustPrivilegeToken
          PID:2576
        • C:\Windows\system32\find.exe
          find ":"
          4⤵
            PID:2992
          • C:\Windows\system32\timeout.exe
            Timeout /T 1 /Nobreak
            4⤵
            • Delays execution with timeout.exe
            PID:2608
          • C:\Windows\system32\tasklist.exe
            Tasklist /fi "PID eq 620"
            4⤵
            • Enumerates processes with tasklist
            • Suspicious use of AdjustPrivilegeToken
            PID:2824
          • C:\Windows\system32\find.exe
            find ":"
            4⤵
              PID:1748
            • C:\Windows\system32\timeout.exe
              Timeout /T 1 /Nobreak
              4⤵
              • Delays execution with timeout.exe
              PID:348
            • C:\Users\Static\Update.exe
              "Update.exe"
              4⤵
              • Executes dropped EXE
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of SetWindowsHookEx
              • Suspicious use of WriteProcessMemory
              PID:772
              • C:\Windows\System32\schtasks.exe
                "C:\Windows\System32\schtasks.exe" /create /f /sc ONLOGON /RL HIGHEST /tn "Chrome Update" /tr "C:\Users\Static\Update.exe"
                5⤵
                • Scheduled Task/Job: Scheduled Task
                PID:2088
              • C:\Windows\system32\WerFault.exe
                C:\Windows\system32\WerFault.exe -u -p 772 -s 1600
                5⤵
                  PID:1420
          • C:\Windows\system32\WerFault.exe
            C:\Windows\system32\WerFault.exe -u -p 2996 -s 936
            2⤵
              PID:236

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

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

            Filesize

            194B

            MD5

            fdbd8af7210e941c2f9655140a293d69

            SHA1

            9d383792f8b39850b9d0dab294cd01c03ff47fe4

            SHA256

            c2120ea9275419be6f32b0714b2b72bc8c7748d12dfd6d18b2795efd82ec9554

            SHA512

            1432d43b7b40baac0ee706213b8e374b4ecd8bc9ab1143d6a0c47e2ac6d550c548f538c82f6f495a500ae26546cde2f80b51a9ef0d769cfef9e284c02f7e8fef

          • C:\Users\Admin\AppData\Local\Temp\win-xwarm-builder.exe

            Filesize

            127KB

            MD5

            f6f686df785d0abdc66d1f90fa508c4b

            SHA1

            75f348132001df30cbad9c7cae2e2072fcaca38e

            SHA256

            61b52af14fc66126a4e7f09b3cff7d3c09e5ad35acf23fb9ba43293fac0c995f

            SHA512

            7daa425723caade3ec747fbe6e425e26bc419e1a7dccd6253770fe1a118a8b90e0f40f6cf4bdac259e68a0198a384ed1b5de7515958f5e17e4e35219b9077d77

          • memory/620-8-0x0000000001390000-0x00000000013B6000-memory.dmp

            Filesize

            152KB

          • memory/620-9-0x000007FEF5B60000-0x000007FEF654C000-memory.dmp

            Filesize

            9.9MB

          • memory/620-10-0x000007FEF5B60000-0x000007FEF654C000-memory.dmp

            Filesize

            9.9MB

          • memory/620-15-0x000007FEF5B60000-0x000007FEF654C000-memory.dmp

            Filesize

            9.9MB

          • memory/772-19-0x0000000001060000-0x0000000001086000-memory.dmp

            Filesize

            152KB

          • memory/2996-0-0x000007FEF5B63000-0x000007FEF5B64000-memory.dmp

            Filesize

            4KB

          • memory/2996-1-0x00000000013A0000-0x000000000148E000-memory.dmp

            Filesize

            952KB

          • memory/2996-6-0x000007FEF5B60000-0x000007FEF654C000-memory.dmp

            Filesize

            9.9MB

          • memory/2996-11-0x000007FEF5B60000-0x000007FEF654C000-memory.dmp

            Filesize

            9.9MB