Analysis

  • max time kernel
    136s
  • max time network
    154s
  • 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 15:11

General

  • Target

    c69d581e2c9751820b591c60023bbffd16aa66ad26d0c76b20574cdac2cc7be2.exe

  • Size

    320KB

  • MD5

    c7c86ccb7a8447c0fc280c1677d5bdfc

  • SHA1

    47c05e0511f3d29afe982bf266cb420cc85cb0fb

  • SHA256

    c69d581e2c9751820b591c60023bbffd16aa66ad26d0c76b20574cdac2cc7be2

  • SHA512

    5015e11b3d4857a07cfd27d5f176721b0eeede05e675ff6ffb2546126853164f580bedcc847d9ceaf9a9916478a8c41355015c2c2764124b7e47dd2521ab13e3

  • SSDEEP

    6144:K0y+bnr+Up0yN90QEqrKEP3ve7yRfsK6KRFjEXtaBv762LA0iRddbIq5xA:wMrQy90cKU/e7RK6KRdEXYp7tbiv1x5W

Malware Config

Extracted

Family

amadey

Version

3.87

C2

http://77.91.68.18

Attributes
  • install_dir

    b40d11255d

  • install_file

    saves.exe

  • strings_key

    fa622dfc42544927a6471829ee1fa9fe

  • url_paths

    /nice/index.php

rc4.plain

Signatures

  • Amadey

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

  • Detect Mystic stealer payload 1 IoCs
  • Mystic

    Mystic is an infostealer written in C++.

  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Executes dropped EXE 6 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

  • Suspicious use of WriteProcessMemory 33 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c69d581e2c9751820b591c60023bbffd16aa66ad26d0c76b20574cdac2cc7be2.exe
    "C:\Users\Admin\AppData\Local\Temp\c69d581e2c9751820b591c60023bbffd16aa66ad26d0c76b20574cdac2cc7be2.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:672
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\l5816787.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\l5816787.exe
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:3016
      • C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
        "C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe"
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:3116
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\System32\schtasks.exe" /Create /SC MINUTE /MO 1 /TN saves.exe /TR "C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe" /F
          4⤵
          • Creates scheduled task(s)
          PID:2216
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /k echo Y|CACLS "saves.exe" /P "Admin:N"&&CACLS "saves.exe" /P "Admin:R" /E&&echo Y|CACLS "..\b40d11255d" /P "Admin:N"&&CACLS "..\b40d11255d" /P "Admin:R" /E&&Exit
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:4892
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /S /D /c" echo Y"
            5⤵
              PID:2764
            • C:\Windows\SysWOW64\cacls.exe
              CACLS "saves.exe" /P "Admin:N"
              5⤵
                PID:3176
              • C:\Windows\SysWOW64\cacls.exe
                CACLS "saves.exe" /P "Admin:R" /E
                5⤵
                  PID:876
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /S /D /c" echo Y"
                  5⤵
                    PID:1800
                  • C:\Windows\SysWOW64\cacls.exe
                    CACLS "..\b40d11255d" /P "Admin:N"
                    5⤵
                      PID:2628
                    • C:\Windows\SysWOW64\cacls.exe
                      CACLS "..\b40d11255d" /P "Admin:R" /E
                      5⤵
                        PID:4980
                • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\m2271043.exe
                  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\m2271043.exe
                  2⤵
                  • Executes dropped EXE
                  PID:4480
              • C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
                C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
                1⤵
                • Executes dropped EXE
                PID:1440
              • C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
                C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
                1⤵
                • Executes dropped EXE
                PID:1792
              • C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
                C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
                1⤵
                • Executes dropped EXE
                PID:208

              Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

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              Downloads

              • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\l5816787.exe

                Filesize

                335KB

                MD5

                6d6b96a92544faf72eeafb12f8b03320

                SHA1

                3d1095a129d9e65ee3c4593a37df5fbde1a9c9ff

                SHA256

                773f907d2c472a0f71c5fec49edda17b3d54b533c1f5dfd76e19a817ee20afd6

                SHA512

                cce8e9c1e27ddd2317293980e63cf3bd0e4355250dc663068ac799377d26818c01840fc38fecb041becc50225362ac00e10477eec99be2bfafda428074284282

              • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\m2271043.exe

                Filesize

                141KB

                MD5

                e20a8d99c2fa4dab57a98936fe6b3cd3

                SHA1

                b9dcbdc93213bf15c407bb1f017eeb984c3670ca

                SHA256

                b619ed8c3f069c9cf47548a4eeeb5ab2c20c78a96c6ad27ca0d6e869a115eefe

                SHA512

                5b749c3fd1cbee7a630927fc95380dd237ef82dac5959f76a52b88069d1bce5145950903177103a396aa7f1f0a57f79536410cadb2b4fe403313bcc41215854f