Analysis

  • max time kernel
    149s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-05-2024 19:04

General

  • Target

    5bcb59af1e8fdc9fb69507e4637417a278a508a73a46fcb1cb6472bf434d61c1.exe

  • Size

    384KB

  • MD5

    190bef0663a721c5e8bc20980b68cd2f

  • SHA1

    7551af14cb75848354f0631832922793f899100f

  • SHA256

    5bcb59af1e8fdc9fb69507e4637417a278a508a73a46fcb1cb6472bf434d61c1

  • SHA512

    70df77bdbed9131cf91d1d3073d9d04a13a05ffe40fca1238886b94f79a8e451fa4fa88261110f472e0d00ffbe30ef96bbee7ab8dc701b5507b331edbe552186

  • SSDEEP

    6144:K/y+bnr+Lp0yN90QEDwrqnDMxPzT2mpdT6Mpuf5gRn1mdtk+NIWo7qZkx:JMrTy90Mqn4BTvrmMoK5IIWo7C6

Malware Config

Extracted

Family

amadey

Version

3.87

Botnet

59b440

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.

  • Modifies Windows Defender Real-time Protection settings 3 TTPs 6 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Executes dropped EXE 5 IoCs
  • Windows security modification 2 TTPs 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Launches sc.exe 1 IoCs

    Sc.exe is a Windows utlilty to control services on the system.

  • 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 behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 33 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5bcb59af1e8fdc9fb69507e4637417a278a508a73a46fcb1cb6472bf434d61c1.exe
    "C:\Users\Admin\AppData\Local\Temp\5bcb59af1e8fdc9fb69507e4637417a278a508a73a46fcb1cb6472bf434d61c1.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:4996
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\a9758488.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\a9758488.exe
      2⤵
      • Modifies Windows Defender Real-time Protection settings
      • Executes dropped EXE
      • Windows security modification
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4796
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\b8109218.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\b8109218.exe
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:1600
      • 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:1224
        • 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:2676
        • 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:4764
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /S /D /c" echo Y"
            5⤵
              PID:2020
            • C:\Windows\SysWOW64\cacls.exe
              CACLS "saves.exe" /P "Admin:N"
              5⤵
                PID:1820
              • C:\Windows\SysWOW64\cacls.exe
                CACLS "saves.exe" /P "Admin:R" /E
                5⤵
                  PID:4784
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /S /D /c" echo Y"
                  5⤵
                    PID:3592
                  • C:\Windows\SysWOW64\cacls.exe
                    CACLS "..\b40d11255d" /P "Admin:N"
                    5⤵
                      PID:4396
                    • C:\Windows\SysWOW64\cacls.exe
                      CACLS "..\b40d11255d" /P "Admin:R" /E
                      5⤵
                        PID:1956
              • C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
                C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
                1⤵
                • Executes dropped EXE
                PID:2212
              • C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
                C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
                1⤵
                • Executes dropped EXE
                PID:1176
              • C:\Windows\system32\sc.exe
                C:\Windows\system32\sc.exe start wuauserv
                1⤵
                • Launches sc.exe
                PID:5020

              Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\a9758488.exe

                Filesize

                185KB

                MD5

                dd43eb8acee1f2c655e5aea00b0b6d87

                SHA1

                5e1c47f4744f025393e92e84b3ecb64c3655cccb

                SHA256

                36d850fbd4866c14f85c7b1c3a1a84a0e5f858a2cd653142e8ce3b211756a12c

                SHA512

                a28b9543ba77df47236d652751e296d4255c2472b3f780dc1290f56971f6fff34501f6d82a8def0066171fbf2567858b238a6bcb257c9ad3af1c8494f6c5419c

              • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\b8109218.exe

                Filesize

                335KB

                MD5

                3c7c6a272d09d34cb6d33406a26607b3

                SHA1

                2e57375de642c30704d095f416b2c2f5cc334dba

                SHA256

                d3d09cc7b391ba5bba792b663d233154f9937671f46b9a4a72ef9d3e1c0eaa0a

                SHA512

                30809fe9438fd65b80d18bde8730b504fd20bb85c836ffb06c892d911cc71c826cd4ed6e82213e6766ed58a9dda46511e677719e402593e92d234e1549594391

              • memory/4796-16-0x0000000004910000-0x0000000004926000-memory.dmp

                Filesize

                88KB

              • memory/4796-7-0x00000000744FE000-0x00000000744FF000-memory.dmp

                Filesize

                4KB

              • memory/4796-8-0x0000000002350000-0x000000000236E000-memory.dmp

                Filesize

                120KB

              • memory/4796-11-0x0000000004910000-0x000000000492C000-memory.dmp

                Filesize

                112KB

              • memory/4796-12-0x00000000744F0000-0x0000000074CA0000-memory.dmp

                Filesize

                7.7MB

              • memory/4796-40-0x0000000004910000-0x0000000004926000-memory.dmp

                Filesize

                88KB

              • memory/4796-24-0x0000000004910000-0x0000000004926000-memory.dmp

                Filesize

                88KB

              • memory/4796-20-0x0000000004910000-0x0000000004926000-memory.dmp

                Filesize

                88KB

              • memory/4796-41-0x00000000744F0000-0x0000000074CA0000-memory.dmp

                Filesize

                7.7MB

              • memory/4796-13-0x0000000004910000-0x0000000004926000-memory.dmp

                Filesize

                88KB

              • memory/4796-9-0x00000000744F0000-0x0000000074CA0000-memory.dmp

                Filesize

                7.7MB

              • memory/4796-10-0x0000000004980000-0x0000000004F24000-memory.dmp

                Filesize

                5.6MB

              • memory/4796-18-0x0000000004910000-0x0000000004926000-memory.dmp

                Filesize

                88KB

              • memory/4796-38-0x0000000004910000-0x0000000004926000-memory.dmp

                Filesize

                88KB

              • memory/4796-36-0x0000000004910000-0x0000000004926000-memory.dmp

                Filesize

                88KB

              • memory/4796-34-0x0000000004910000-0x0000000004926000-memory.dmp

                Filesize

                88KB

              • memory/4796-32-0x0000000004910000-0x0000000004926000-memory.dmp

                Filesize

                88KB

              • memory/4796-30-0x0000000004910000-0x0000000004926000-memory.dmp

                Filesize

                88KB

              • memory/4796-28-0x0000000004910000-0x0000000004926000-memory.dmp

                Filesize

                88KB

              • memory/4796-26-0x0000000004910000-0x0000000004926000-memory.dmp

                Filesize

                88KB

              • memory/4796-22-0x0000000004910000-0x0000000004926000-memory.dmp

                Filesize

                88KB

              • memory/4796-43-0x00000000744F0000-0x0000000074CA0000-memory.dmp

                Filesize

                7.7MB

              • memory/4796-14-0x0000000004910000-0x0000000004926000-memory.dmp

                Filesize

                88KB