Analysis

  • max time kernel
    149s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10/05/2024, 12:33

General

  • Target
    b72cfb25178ac78d0dfae350873df231a1f4266a913f47acc5018b87cae84bdf.exe
  • Size 514KB
  • Sample240510-prnxbsef21
  • SHA256 b72cfb25178ac78d0dfae350873df231a1f4266a913f47acc5018b87cae84bdf
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • amadey

Version
  • 3.86

C2
  • http://77.91.68.61

Attributes
  • install_dir

    925e7e99c5

  • install_file

    pdates.exe

  • strings_key

    ada76b8b0e1f6892ee93c20ab8946117

  • url_paths

    /rock/index.php

rc4.plain

Extracted

Family
  • redline

Botnet
  • lande

C2
  • 77.91.124.84:19071

Attributes
  • auth_value

    9fa41701c47df37786234f3373f21208

Signatures

  • Amadey

    Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.

  • Detects Healer an antivirus disabler dropper 2 IoCs
  • Healer

    Healer an antivirus disabler dropper.

  • Modifies Windows Defender Real-time Protection settings 3 TTPs 6 IoCs
  • RedLine

    RedLine Stealer is a malware family written in C#, first appearing in early 2020.

  • RedLine payload 2 IoCs
  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Executes dropped EXE 9 IoCs
  • Windows security modification 2 TTPs 1 IoCs
  • Adds Run key to start application 2 TTPs 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 44 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b72cfb25178ac78d0dfae350873df231a1f4266a913f47acc5018b87cae84bdf.exe
    "C:\Users\Admin\AppData\Local\Temp\b72cfb25178ac78d0dfae350873df231a1f4266a913f47acc5018b87cae84bdf.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:3044
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v6653264.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v6653264.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:3748
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v2222652.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v2222652.exe
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious use of WriteProcessMemory
        PID:640
        • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\a7534464.exe
          C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\a7534464.exe
          4⤵
          • Modifies Windows Defender Real-time Protection settings
          • Executes dropped EXE
          • Windows security modification
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:4000
        • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\b3015164.exe
          C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\b3015164.exe
          4⤵
          • Checks computer location settings
          • Executes dropped EXE
          • Suspicious use of WriteProcessMemory
          PID:2740
          • C:\Users\Admin\AppData\Local\Temp\925e7e99c5\pdates.exe
            "C:\Users\Admin\AppData\Local\Temp\925e7e99c5\pdates.exe"
            5⤵
            • Checks computer location settings
            • Executes dropped EXE
            • Suspicious use of WriteProcessMemory
            PID:440
            • C:\Windows\SysWOW64\schtasks.exe
              "C:\Windows\System32\schtasks.exe" /Create /SC MINUTE /MO 1 /TN pdates.exe /TR "C:\Users\Admin\AppData\Local\Temp\925e7e99c5\pdates.exe" /F
              6⤵
              • Creates scheduled task(s)
              PID:3816
            • C:\Windows\SysWOW64\cmd.exe
              "C:\Windows\System32\cmd.exe" /k echo Y|CACLS "pdates.exe" /P "Admin:N"&&CACLS "pdates.exe" /P "Admin:R" /E&&echo Y|CACLS "..\925e7e99c5" /P "Admin:N"&&CACLS "..\925e7e99c5" /P "Admin:R" /E&&Exit
              6⤵
              • Suspicious use of WriteProcessMemory
              PID:2452
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /S /D /c" echo Y"
                7⤵
                  PID:3892
                • C:\Windows\SysWOW64\cacls.exe
                  CACLS "pdates.exe" /P "Admin:N"
                  7⤵
                    PID:2972
                  • C:\Windows\SysWOW64\cacls.exe
                    CACLS "pdates.exe" /P "Admin:R" /E
                    7⤵
                      PID:4100
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /S /D /c" echo Y"
                      7⤵
                        PID:2768
                      • C:\Windows\SysWOW64\cacls.exe
                        CACLS "..\925e7e99c5" /P "Admin:N"
                        7⤵
                          PID:1960
                        • C:\Windows\SysWOW64\cacls.exe
                          CACLS "..\925e7e99c5" /P "Admin:R" /E
                          7⤵
                            PID:388
                  • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\c4556430.exe
                    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\c4556430.exe
                    3⤵
                    • Executes dropped EXE
                    • Checks SCSI registry key(s)
                    PID:4484
                • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\d1853109.exe
                  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\d1853109.exe
                  2⤵
                  • Executes dropped EXE
                  PID:2008
              • C:\Users\Admin\AppData\Local\Temp\925e7e99c5\pdates.exe
                C:\Users\Admin\AppData\Local\Temp\925e7e99c5\pdates.exe
                1⤵
                • Executes dropped EXE
                PID:2552
              • C:\Users\Admin\AppData\Local\Temp\925e7e99c5\pdates.exe
                C:\Users\Admin\AppData\Local\Temp\925e7e99c5\pdates.exe
                1⤵
                • Executes dropped EXE
                PID:2028

              Network

                    MITRE ATT&CK Enterprise v15

                    Replay Monitor

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                    Downloads

                    d1853109.exe

                    • Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\d1853109.exe
                    • Size 175KB
                    • SHA256 2a55756c92b3e9e68116c3617777d07720069a3e0fae13d59412a03f7f5f42c1
                    • MD5 SHA1 SHA512 SSDEEP

                    v6653264.exe

                    • Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v6653264.exe
                    • Size 359KB
                    • SHA256 630b3bd990cf3a7b799c0a8757ec0da95eb2bc811a803790cd5dd59b96a6ae12
                    • MD5 SHA1 SHA512 SSDEEP

                    c4556430.exe

                    • Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\c4556430.exe
                    • Size 36KB
                    • SHA256 51e82b55c6b0908e8c31d12c5d8160a29addde641ea77b11ab4e229d67d89df3
                    • MD5 SHA1 SHA512 SSDEEP

                    v2222652.exe

                    • Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v2222652.exe
                    • Size 234KB
                    • SHA256 a264decd1d4218a6f799938cf789727b2fd2fc2a2f5d29abdbbb3a582213a875
                    • MD5 SHA1 SHA512 SSDEEP

                    a7534464.exe

                    • Path C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\a7534464.exe
                    • Size 13KB
                    • SHA256 f7ce92d9f78ff144184570d99e5951f58f6f3b8bcab899f785cea40643e43243
                    • MD5 SHA1 SHA512 SSDEEP

                    b3015164.exe

                    • Path C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\b3015164.exe
                    • Size 225KB
                    • SHA256 eb6991a258a7ae91ffb2d4d170508562eff82c059cf2c58e6500730183cc34bc
                    • MD5 SHA1 SHA512 SSDEEP

                    memory/2008-47-0x000000000AC20000-0x000000000AD2A000-memory.dmp

                    memory/2008-44-0x0000000000C70000-0x0000000000CA0000-memory.dmp

                    memory/2008-45-0x0000000002F60000-0x0000000002F66000-memory.dmp

                    memory/2008-46-0x000000000B0A0000-0x000000000B6B8000-memory.dmp

                    memory/2008-48-0x000000000AB60000-0x000000000AB72000-memory.dmp

                    memory/2008-49-0x000000000ABC0000-0x000000000ABFC000-memory.dmp

                    memory/2008-50-0x0000000004FB0000-0x0000000004FFC000-memory.dmp

                    memory/4000-22-0x00007FFDE58D3000-0x00007FFDE58D5000-memory.dmp

                    memory/4000-21-0x0000000000F10000-0x0000000000F1A000-memory.dmp

                    memory/4484-40-0x0000000000400000-0x0000000000409000-memory.dmp