Analysis

  • max time kernel
    159s
  • max time network
    167s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10/05/2024, 12:33

General

  • Target
    6d684b37ca877d403cebced125fab4f36a37e290840da5678e0d43fd35796a5c.exe
  • Size 359KB
  • Sample240510-prnxbsef21
  • SHA256 6d684b37ca877d403cebced125fab4f36a37e290840da5678e0d43fd35796a5c
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • amadey

Version
  • 3.85

C2
  • http://77.91.68.3

Attributes
  • install_dir

    3ec1f323b5

  • install_file

    danke.exe

  • strings_key

    827021be90f1e85ab27949ea7e9347e8

  • url_paths

    /home/love/index.php

rc4.plain

Extracted

Family
  • smokeloader

Version
  • 2022

C2
  • http://77.91.68.29/fks/

rc4.i32
rc4.i32

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
  • 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 6 IoCs
  • Windows security modification 2 TTPs 1 IoCs
  • Adds Run key to start application 2 TTPs 2 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 64 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6d684b37ca877d403cebced125fab4f36a37e290840da5678e0d43fd35796a5c.exe
    "C:\Users\Admin\AppData\Local\Temp\6d684b37ca877d403cebced125fab4f36a37e290840da5678e0d43fd35796a5c.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:4504
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v4192759.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v4192759.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:1348
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a7507750.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a7507750.exe
        3⤵
        • Modifies Windows Defender Real-time Protection settings
        • Executes dropped EXE
        • Windows security modification
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:5032
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b3281386.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b3281386.exe
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of WriteProcessMemory
        PID:3924
        • C:\Users\Admin\AppData\Local\Temp\3ec1f323b5\danke.exe
          "C:\Users\Admin\AppData\Local\Temp\3ec1f323b5\danke.exe"
          4⤵
          • Checks computer location settings
          • Executes dropped EXE
          • Suspicious use of WriteProcessMemory
          PID:892
          • C:\Windows\SysWOW64\schtasks.exe
            "C:\Windows\System32\schtasks.exe" /Create /SC MINUTE /MO 1 /TN danke.exe /TR "C:\Users\Admin\AppData\Local\Temp\3ec1f323b5\danke.exe" /F
            5⤵
            • Creates scheduled task(s)
            PID:212
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\System32\cmd.exe" /k echo Y|CACLS "danke.exe" /P "Admin:N"&&CACLS "danke.exe" /P "Admin:R" /E&&echo Y|CACLS "..\3ec1f323b5" /P "Admin:N"&&CACLS "..\3ec1f323b5" /P "Admin:R" /E&&Exit
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:1444
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /S /D /c" echo Y"
              6⤵
                PID:4012
              • C:\Windows\SysWOW64\cacls.exe
                CACLS "danke.exe" /P "Admin:N"
                6⤵
                  PID:4228
                • C:\Windows\SysWOW64\cacls.exe
                  CACLS "danke.exe" /P "Admin:R" /E
                  6⤵
                    PID:3556
                  • C:\Windows\SysWOW64\cmd.exe
                    C:\Windows\system32\cmd.exe /S /D /c" echo Y"
                    6⤵
                      PID:2120
                    • C:\Windows\SysWOW64\cacls.exe
                      CACLS "..\3ec1f323b5" /P "Admin:N"
                      6⤵
                        PID:4772
                      • C:\Windows\SysWOW64\cacls.exe
                        CACLS "..\3ec1f323b5" /P "Admin:R" /E
                        6⤵
                          PID:1976
                • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\c8559996.exe
                  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\c8559996.exe
                  2⤵
                  • Executes dropped EXE
                  • Checks SCSI registry key(s)
                  • Suspicious behavior: EnumeratesProcesses
                  • Suspicious behavior: MapViewOfSection
                  PID:2680
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4048 --field-trial-handle=2292,i,2103142837140538807,15881446839139365070,262144 --variations-seed-version /prefetch:8
                1⤵
                  PID:3336
                • C:\Users\Admin\AppData\Local\Temp\3ec1f323b5\danke.exe
                  C:\Users\Admin\AppData\Local\Temp\3ec1f323b5\danke.exe
                  1⤵
                  • Executes dropped EXE
                  PID:4548

                Network

                      MITRE ATT&CK Enterprise v15

                      Replay Monitor

                      Loading Replay Monitor...

                      Downloads

                      c8559996.exe

                      • Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\c8559996.exe
                      • Size 32KB
                      • SHA256 31c962983a5dcb34c366ea726a6e4defcf6db78d259516edcc1b6336a297bbba
                      • MD5 SHA1 SHA512 SSDEEP

                      v4192759.exe

                      • Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v4192759.exe
                      • Size 235KB
                      • SHA256 079faabeddf8ac54de6accc9d09b63bf543afdcaf395234f1dbfcf46c5d56d99
                      • MD5 SHA1 SHA512 SSDEEP

                      a7507750.exe

                      • Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a7507750.exe
                      • Size 13KB
                      • SHA256 9788cb0fcb4b0bb8086babe2cf499aec511ce0a867ad0c79e79c5c9d9a57d561
                      • MD5 SHA1 SHA512 SSDEEP

                      b3281386.exe

                      • Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b3281386.exe
                      • Size 226KB
                      • SHA256 d0ecd3340d3c57da9d342be0aef3027e74adbb8834be7d05c28942eda33f8708
                      • MD5 SHA1 SHA512 SSDEEP

                      memory/2680-32-0x0000000000400000-0x0000000000409000-memory.dmp

                      memory/2680-37-0x0000000000400000-0x0000000000409000-memory.dmp

                      memory/3376-34-0x0000000002E50000-0x0000000002E66000-memory.dmp

                      memory/5032-14-0x00007FFE93D83000-0x00007FFE93D85000-memory.dmp

                      memory/5032-15-0x0000000000DA0000-0x0000000000DAA000-memory.dmp