Analysis

  • max time kernel
    149s
  • max time network
    138s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/07/2023, 03:43

General

  • Target
    y6845117.bin.exe
  • Size 235KB
  • Sample230719-d9xfmsgc71
  • SHA256 4362f1ea4814a4e9c0ec76acfb6f301301f03af642d8866c32abe091f9c6660e
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • amadey

Version
  • 3.85

C2
  • 77.91.68.3/home/love/index.php

Signatures

  • Amadey

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

  • Detects Healer an antivirus disabler dropper 3 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
  • Loads dropped DLL 1 IoCs
  • Windows security modification 2 TTPs 1 IoCs
  • Adds Run key to start application 2 TTPs 2 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 FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 35 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\y6845117.bin.exe
    "C:\Users\Admin\AppData\Local\Temp\y6845117.bin.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:3904
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\k7339031.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\k7339031.exe
      2⤵
      • Modifies Windows Defender Real-time Protection settings
      • Executes dropped EXE
      • Windows security modification
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3516
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\l7952123.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\l7952123.exe
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:4860
      • C:\Users\Admin\AppData\Local\Temp\3ec1f323b5\danke.exe
        "C:\Users\Admin\AppData\Local\Temp\3ec1f323b5\danke.exe"
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:3984
        • 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
          4⤵
          • Creates scheduled task(s)
          PID:4164
        • 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
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:4336
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /S /D /c" echo Y"
            5⤵
              PID:4456
            • C:\Windows\SysWOW64\cacls.exe
              CACLS "danke.exe" /P "Admin:N"
              5⤵
                PID:2340
              • C:\Windows\SysWOW64\cacls.exe
                CACLS "danke.exe" /P "Admin:R" /E
                5⤵
                  PID:4288
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /S /D /c" echo Y"
                  5⤵
                    PID:3792
                  • C:\Windows\SysWOW64\cacls.exe
                    CACLS "..\3ec1f323b5" /P "Admin:N"
                    5⤵
                      PID:4660
                    • C:\Windows\SysWOW64\cacls.exe
                      CACLS "..\3ec1f323b5" /P "Admin:R" /E
                      5⤵
                        PID:2188
                    • C:\Windows\SysWOW64\rundll32.exe
                      "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\006700e5a2ab05\clip64.dll, Main
                      4⤵
                      • Loads dropped DLL
                      PID:2980
              • C:\Users\Admin\AppData\Local\Temp\3ec1f323b5\danke.exe
                C:\Users\Admin\AppData\Local\Temp\3ec1f323b5\danke.exe
                1⤵
                • Executes dropped EXE
                PID:4216
              • C:\Users\Admin\AppData\Local\Temp\3ec1f323b5\danke.exe
                C:\Users\Admin\AppData\Local\Temp\3ec1f323b5\danke.exe
                1⤵
                • Executes dropped EXE
                PID:1648
              • C:\Windows\system32\sc.exe
                C:\Windows\system32\sc.exe start wuauserv
                1⤵
                • Launches sc.exe
                PID:4812

              Network

                    MITRE ATT&CK Enterprise v6

                    Replay Monitor

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                    Downloads

                    danke.exe

                    • Path C:\Users\Admin\AppData\Local\Temp\3ec1f323b5\danke.exe
                    • Size 224KB
                    • SHA256 4e1377f9874f333dcb0b1b758e3131949e667fc39aadf3091e4e3b7cdbaeef1d
                    • MD5 SHA1 SHA512 SSDEEP

                    danke.exe

                    • Path C:\Users\Admin\AppData\Local\Temp\3ec1f323b5\danke.exe
                    • Size 224KB
                    • SHA256 4e1377f9874f333dcb0b1b758e3131949e667fc39aadf3091e4e3b7cdbaeef1d
                    • MD5 SHA1 SHA512 SSDEEP

                    danke.exe

                    • Path C:\Users\Admin\AppData\Local\Temp\3ec1f323b5\danke.exe
                    • Size 224KB
                    • SHA256 4e1377f9874f333dcb0b1b758e3131949e667fc39aadf3091e4e3b7cdbaeef1d
                    • MD5 SHA1 SHA512 SSDEEP

                    danke.exe

                    • Path C:\Users\Admin\AppData\Local\Temp\3ec1f323b5\danke.exe
                    • Size 224KB
                    • SHA256 4e1377f9874f333dcb0b1b758e3131949e667fc39aadf3091e4e3b7cdbaeef1d
                    • MD5 SHA1 SHA512 SSDEEP

                    danke.exe

                    • Path C:\Users\Admin\AppData\Local\Temp\3ec1f323b5\danke.exe
                    • Size 224KB
                    • SHA256 4e1377f9874f333dcb0b1b758e3131949e667fc39aadf3091e4e3b7cdbaeef1d
                    • MD5 SHA1 SHA512 SSDEEP

                    k7339031.exe

                    • Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\k7339031.exe
                    • Size 11KB
                    • SHA256 850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38
                    • MD5 SHA1 SHA512 SSDEEP

                    k7339031.exe

                    • Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\k7339031.exe
                    • Size 11KB
                    • SHA256 850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38
                    • MD5 SHA1 SHA512 SSDEEP

                    l7952123.exe

                    • Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\l7952123.exe
                    • Size 224KB
                    • SHA256 4e1377f9874f333dcb0b1b758e3131949e667fc39aadf3091e4e3b7cdbaeef1d
                    • MD5 SHA1 SHA512 SSDEEP

                    l7952123.exe

                    • Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\l7952123.exe
                    • Size 224KB
                    • SHA256 4e1377f9874f333dcb0b1b758e3131949e667fc39aadf3091e4e3b7cdbaeef1d
                    • MD5 SHA1 SHA512 SSDEEP

                    clip64.dll

                    • Path C:\Users\Admin\AppData\Roaming\006700e5a2ab05\clip64.dll
                    • Size 89KB
                    • SHA256 7d8f216ba04419aae32d5902449a0c5271ed577c722e582fb42e7d43b3b08426
                    • MD5 SHA1 SHA512 SSDEEP

                    clip64.dll

                    • Path C:\Users\Admin\AppData\Roaming\006700e5a2ab05\clip64.dll
                    • Size 89KB
                    • SHA256 7d8f216ba04419aae32d5902449a0c5271ed577c722e582fb42e7d43b3b08426
                    • MD5 SHA1 SHA512 SSDEEP

                    clip64.dll

                    • Path C:\Users\Admin\AppData\Roaming\006700e5a2ab05\clip64.dll
                    • Size 89KB
                    • SHA256 7d8f216ba04419aae32d5902449a0c5271ed577c722e582fb42e7d43b3b08426
                    • MD5 SHA1 SHA512 SSDEEP

                    cred64.dll

                    • Path C:\Users\Admin\AppData\Roaming\006700e5a2ab05\cred64.dll
                    • Size 272B
                    • SHA256 38c69e3f9f3927f8178d55cde9774a2b170c057b349b73932b87b76499d03349
                    • MD5 SHA1 SHA512

                    memory/3516-143-0x00007FF906170000-0x00007FF906C31000-memory.dmp

                    memory/3516-141-0x00007FF906170000-0x00007FF906C31000-memory.dmp

                    memory/3516-140-0x0000000000BE0000-0x0000000000BEA000-memory.dmp