Analysis

  • max time kernel
    135s
  • max time network
    130s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-05-2024 19:04

General

  • Target

    ae96a881fddd0471c5a462a0b27848d72c34ba866c6061e0f84ab3a1097a7a69.exe

  • Size

    277KB

  • MD5

    7914d68695cc6f54cb467bbd1ea1b980

  • SHA1

    a44f0dcc322e4cddf86f087ca9b97b7c44fd6091

  • SHA256

    ae96a881fddd0471c5a462a0b27848d72c34ba866c6061e0f84ab3a1097a7a69

  • SHA512

    644f90613eb98fe37d95d215271f468ffce81bf939000b9acf5479ae8a8d2668202da25ebab5df1095349bfa3ab650cbfdd2a723f9e3b5bbd3bb7be8471eb07e

  • SSDEEP

    6144:K6y+bnr+Wp0yN90QENekbA4OPoMeP90Rk7WD6:GMriy90vekbLOQMeP+k7WG

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.

  • 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
  • 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 1 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 behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 32 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ae96a881fddd0471c5a462a0b27848d72c34ba866c6061e0f84ab3a1097a7a69.exe
    "C:\Users\Admin\AppData\Local\Temp\ae96a881fddd0471c5a462a0b27848d72c34ba866c6061e0f84ab3a1097a7a69.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:928
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\g1576079.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\g1576079.exe
      2⤵
      • Modifies Windows Defender Real-time Protection settings
      • Executes dropped EXE
      • Windows security modification
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1440
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\h7224939.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\h7224939.exe
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:624
      • 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:548
        • 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:2140
        • 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:1332
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /S /D /c" echo Y"
            5⤵
              PID:1908
            • C:\Windows\SysWOW64\cacls.exe
              CACLS "saves.exe" /P "Admin:N"
              5⤵
                PID:1904
              • C:\Windows\SysWOW64\cacls.exe
                CACLS "saves.exe" /P "Admin:R" /E
                5⤵
                  PID:4824
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /S /D /c" echo Y"
                  5⤵
                    PID:4804
                  • C:\Windows\SysWOW64\cacls.exe
                    CACLS "..\b40d11255d" /P "Admin:N"
                    5⤵
                      PID:3576
                    • C:\Windows\SysWOW64\cacls.exe
                      CACLS "..\b40d11255d" /P "Admin:R" /E
                      5⤵
                        PID:3264
              • C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
                C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
                1⤵
                • Executes dropped EXE
                PID:3184
              • C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
                C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
                1⤵
                • Executes dropped EXE
                PID:684

              Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\g1576079.exe

                Filesize

                11KB

                MD5

                a9a9b032259d39964aefe070a190c7dd

                SHA1

                f33fe4fa32548e45a442266288de7426f35d109b

                SHA256

                05774bd7f40ef00f3143fd3b036894cfb4c549db08436bdbd466082882249458

                SHA512

                20cae14b1eff0c15f78189bdd0d71410edfc707a706e8da68e9476a4a62e0810eae50b74532ba4e1f31bc35e9ad6f58095c1f06680bcc075c364369f88d0b27a

              • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\h7224939.exe

                Filesize

                339KB

                MD5

                edb6b6b0d56ded5c2b165f2c36683593

                SHA1

                6aef97f54fb55b37823c95963fae1d462428f99d

                SHA256

                f2acd2202eb8c190af62b0771f4a10a869ae8842b2579ec5d76d6e54238f4d74

                SHA512

                9fab876b63e8a846b632b8f3d5513990cff2cdf5108eedc0885564d93fe7836df335d909254b64f185f999c82a1506550ef19503dfce5d5d7cb727d54a56db09

              • memory/1440-8-0x0000000000AA0000-0x0000000000AAA000-memory.dmp

                Filesize

                40KB

              • memory/1440-7-0x00007FF816413000-0x00007FF816415000-memory.dmp

                Filesize

                8KB