Analysis

  • max time kernel
    147s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/05/2024, 14:29

General

  • Target
    dcfab037f7269dd60bc810f260b86d7331030c746f879fa94f4b6bf922ae96a0.exe
  • Size 390KB
  • Sample240509-rtms6aed2s
  • SHA256 dcfab037f7269dd60bc810f260b86d7331030c746f879fa94f4b6bf922ae96a0
  • 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
  • redline

Botnet
  • nasa

C2
  • 77.91.68.68:19071

Attributes
  • auth_value

    6da71218d8a9738ea3a9a78b5677589b

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
  • RedLine

    RedLine Stealer is a malware family written in C#, first appearing in early 2020.

  • RedLine payload 2 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Executes dropped EXE 8 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).

  • 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 38 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\dcfab037f7269dd60bc810f260b86d7331030c746f879fa94f4b6bf922ae96a0.exe
    "C:\Users\Admin\AppData\Local\Temp\dcfab037f7269dd60bc810f260b86d7331030c746f879fa94f4b6bf922ae96a0.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:4464
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y8175024.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y8175024.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:1700
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k3432513.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k3432513.exe
        3⤵
        • Modifies Windows Defender Real-time Protection settings
        • Executes dropped EXE
        • Windows security modification
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4836
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l8177984.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l8177984.exe
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of WriteProcessMemory
        PID:1244
        • 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:4984
          • 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:1324
          • 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:1936
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /S /D /c" echo Y"
              6⤵
                PID:3552
              • C:\Windows\SysWOW64\cacls.exe
                CACLS "danke.exe" /P "Admin:N"
                6⤵
                  PID:2152
                • C:\Windows\SysWOW64\cacls.exe
                  CACLS "danke.exe" /P "Admin:R" /E
                  6⤵
                    PID:4652
                  • C:\Windows\SysWOW64\cmd.exe
                    C:\Windows\system32\cmd.exe /S /D /c" echo Y"
                    6⤵
                      PID:3764
                    • C:\Windows\SysWOW64\cacls.exe
                      CACLS "..\3ec1f323b5" /P "Admin:N"
                      6⤵
                        PID:2768
                      • C:\Windows\SysWOW64\cacls.exe
                        CACLS "..\3ec1f323b5" /P "Admin:R" /E
                        6⤵
                          PID:5056
                • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\n2169610.exe
                  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\n2169610.exe
                  2⤵
                  • Executes dropped EXE
                  PID:3872
              • C:\Users\Admin\AppData\Local\Temp\3ec1f323b5\danke.exe
                C:\Users\Admin\AppData\Local\Temp\3ec1f323b5\danke.exe
                1⤵
                • Executes dropped EXE
                PID:4664
              • C:\Users\Admin\AppData\Local\Temp\3ec1f323b5\danke.exe
                C:\Users\Admin\AppData\Local\Temp\3ec1f323b5\danke.exe
                1⤵
                • Executes dropped EXE
                PID:2288
              • C:\Users\Admin\AppData\Local\Temp\3ec1f323b5\danke.exe
                C:\Users\Admin\AppData\Local\Temp\3ec1f323b5\danke.exe
                1⤵
                • Executes dropped EXE
                PID:3112

              Network

                    MITRE ATT&CK Enterprise v15

                    Replay Monitor

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                    Downloads

                    n2169610.exe

                    • Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\n2169610.exe
                    • Size 173KB
                    • SHA256 631b5276e3d8c2b3ca2337e6ad52d6c788ea933056dd0c14e5b9a38930e58ecc
                    • MD5 SHA1 SHA512 SSDEEP

                    y8175024.exe

                    • Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y8175024.exe
                    • Size 235KB
                    • SHA256 8d781b380fbf923c740ef35c5684110a1f6babd0a3bbc953a6e8d732be7a0af2
                    • MD5 SHA1 SHA512 SSDEEP

                    k3432513.exe

                    • Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k3432513.exe
                    • Size 11KB
                    • SHA256 850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38
                    • MD5 SHA1 SHA512 SSDEEP

                    l8177984.exe

                    • Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l8177984.exe
                    • Size 224KB
                    • SHA256 4e1377f9874f333dcb0b1b758e3131949e667fc39aadf3091e4e3b7cdbaeef1d
                    • MD5 SHA1 SHA512 SSDEEP

                    memory/3872-36-0x0000000005300000-0x000000000540A000-memory.dmp

                    memory/3872-33-0x0000000000730000-0x0000000000760000-memory.dmp

                    memory/3872-34-0x0000000000F70000-0x0000000000F76000-memory.dmp

                    memory/3872-35-0x0000000005810000-0x0000000005E28000-memory.dmp

                    memory/3872-37-0x0000000005210000-0x0000000005222000-memory.dmp

                    memory/3872-38-0x0000000005270000-0x00000000052AC000-memory.dmp

                    memory/3872-39-0x00000000052B0000-0x00000000052FC000-memory.dmp

                    memory/4836-15-0x00007FFC4AB63000-0x00007FFC4AB65000-memory.dmp

                    memory/4836-14-0x0000000000750000-0x000000000075A000-memory.dmp