Analysis

  • max time kernel
    107s
  • max time network
    115s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-11-2024 11:19

General

  • Target

    3aff409c042546fd4fc90bf02502c6460e0dfb0ad9d406fc939615babdb2742eN.exe

  • Size

    897KB

  • MD5

    80845924d2dbe7d8b2166db81d265fe0

  • SHA1

    406f257d405d571f85d53585a37435ea56f75afb

  • SHA256

    3aff409c042546fd4fc90bf02502c6460e0dfb0ad9d406fc939615babdb2742e

  • SHA512

    1ca234ae7557dfc5691edea1bfb4cc12d6bf6af350a65ce36f7e8405896270f12e49fa253ddcf7de7b0e215b09e4ff743bca2d263ab156739a324745c0e6d9dc

  • SSDEEP

    12288:DMrdy90dX6ZWgnR06+07CJO+sdtDTo51Bi/89+lIg2eXm2KlqronPHi6KHl0l5fi:SyiSrreJO+WDToPGN+gZm2ka6bCPl

Malware Config

Extracted

Family

redline

Botnet

jokes

C2

77.91.124.82:19071

Attributes
  • auth_value

    fb7b36b70ae30fb2b72f789037350cdb

Signatures

  • Detects Healer an antivirus disabler dropper 1 IoCs
  • Healer

    Healer an antivirus disabler dropper.

  • Healer family
  • 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
  • Redline family
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Executes dropped EXE 9 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 17 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Scheduled Task/Job: Scheduled Task 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 56 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3aff409c042546fd4fc90bf02502c6460e0dfb0ad9d406fc939615babdb2742eN.exe
    "C:\Users\Admin\AppData\Local\Temp\3aff409c042546fd4fc90bf02502c6460e0dfb0ad9d406fc939615babdb2742eN.exe"
    1⤵
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4192
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\z5771142.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\z5771142.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2820
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\z2397745.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\z2397745.exe
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2092
        • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\z5453283.exe
          C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\z5453283.exe
          4⤵
          • Executes dropped EXE
          • Adds Run key to start application
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:64
          • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\q3620391.exe
            C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\q3620391.exe
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:3304
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
              6⤵
                PID:4484
              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
                "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
                6⤵
                • Modifies Windows Defender Real-time Protection settings
                • System Location Discovery: System Language Discovery
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                PID:1112
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 3304 -s 552
                6⤵
                • Program crash
                PID:1896
            • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\r7095938.exe
              C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\r7095938.exe
              5⤵
              • Checks computer location settings
              • Executes dropped EXE
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:3992
              • C:\Users\Admin\AppData\Local\Temp\fefffe8cea\explonde.exe
                "C:\Users\Admin\AppData\Local\Temp\fefffe8cea\explonde.exe"
                6⤵
                • Checks computer location settings
                • Executes dropped EXE
                • System Location Discovery: System Language Discovery
                • Suspicious use of WriteProcessMemory
                PID:396
                • C:\Windows\SysWOW64\schtasks.exe
                  "C:\Windows\System32\schtasks.exe" /Create /SC MINUTE /MO 1 /TN explonde.exe /TR "C:\Users\Admin\AppData\Local\Temp\fefffe8cea\explonde.exe" /F
                  7⤵
                  • System Location Discovery: System Language Discovery
                  • Scheduled Task/Job: Scheduled Task
                  PID:3876
                • C:\Windows\SysWOW64\cmd.exe
                  "C:\Windows\System32\cmd.exe" /k echo Y|CACLS "explonde.exe" /P "Admin:N"&&CACLS "explonde.exe" /P "Admin:R" /E&&echo Y|CACLS "..\fefffe8cea" /P "Admin:N"&&CACLS "..\fefffe8cea" /P "Admin:R" /E&&Exit
                  7⤵
                  • System Location Discovery: System Language Discovery
                  • Suspicious use of WriteProcessMemory
                  PID:3880
                  • C:\Windows\SysWOW64\cmd.exe
                    C:\Windows\system32\cmd.exe /S /D /c" echo Y"
                    8⤵
                    • System Location Discovery: System Language Discovery
                    PID:3288
                  • C:\Windows\SysWOW64\cacls.exe
                    CACLS "explonde.exe" /P "Admin:N"
                    8⤵
                    • System Location Discovery: System Language Discovery
                    PID:2560
                  • C:\Windows\SysWOW64\cacls.exe
                    CACLS "explonde.exe" /P "Admin:R" /E
                    8⤵
                    • System Location Discovery: System Language Discovery
                    PID:4288
                  • C:\Windows\SysWOW64\cmd.exe
                    C:\Windows\system32\cmd.exe /S /D /c" echo Y"
                    8⤵
                    • System Location Discovery: System Language Discovery
                    PID:4796
                  • C:\Windows\SysWOW64\cacls.exe
                    CACLS "..\fefffe8cea" /P "Admin:N"
                    8⤵
                    • System Location Discovery: System Language Discovery
                    PID:3776
                  • C:\Windows\SysWOW64\cacls.exe
                    CACLS "..\fefffe8cea" /P "Admin:R" /E
                    8⤵
                    • System Location Discovery: System Language Discovery
                    PID:736
          • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\s1925188.exe
            C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\s1925188.exe
            4⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            PID:5028
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3304 -ip 3304
      1⤵
        PID:2704
      • C:\Users\Admin\AppData\Local\Temp\fefffe8cea\explonde.exe
        C:\Users\Admin\AppData\Local\Temp\fefffe8cea\explonde.exe
        1⤵
        • Executes dropped EXE
        PID:3472
      • C:\Users\Admin\AppData\Local\Temp\fefffe8cea\explonde.exe
        C:\Users\Admin\AppData\Local\Temp\fefffe8cea\explonde.exe
        1⤵
        • Executes dropped EXE
        PID:3736

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\z5771142.exe

        Filesize

        639KB

        MD5

        84465def7d2fb37691c5ff0e4bb0035d

        SHA1

        b0a467ee217df41ad89906992e0abd3cab079998

        SHA256

        01c06789ae9f0b06d97dc0169033259adfdef9886ad3443b314164333537a82f

        SHA512

        55a526e3e321e73fcd4a851f8576ec2051d9a26ddb70aac404fec053a71e48d4760ff0a6f1677df026ed3a2158029531e58b2116de9152f870a89576a506b44b

      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\z2397745.exe

        Filesize

        456KB

        MD5

        c46e6c3e0c8418703fda428ac2f0345a

        SHA1

        9d8ced5faddc0a62610176d18d4c546ccbd67cb5

        SHA256

        99315d9aaeee73594faf51f41ed76300fbe110c19788bc42a510f015db28d403

        SHA512

        bc503d896147a0afa873a299ea13006a2f6717df13906890d249f3c124191e689c62e4c0622bc4586b93ed86ecf815e6fe8c97fe97776c0b19c5df8e92eb5e2b

      • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\s1925188.exe

        Filesize

        174KB

        MD5

        c1037f18b0f062fcdde86edb77aaace0

        SHA1

        8f3c22c37e296e072e39a98f93cbf01445dad65a

        SHA256

        e43f8acd8318ed6e5aa2644fae8303d4c9a5a2829da0e22dc50352d95fa31cc1

        SHA512

        017e77f805fb0f45c77b189da987ada8e2dffd352d1855438e79dcdd5dd151d44acf7fdcbdf82cc9f4a82a3fe30d12aa2593024b86f1012e25597a74650f615d

      • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\z5453283.exe

        Filesize

        301KB

        MD5

        18db01c358228e38eb90f940fcbe4193

        SHA1

        80ffe3c870e621122678bcd44e3f2ac7e9cf83f1

        SHA256

        941fe27645b26b0f3705c6c9ee42b4473d804ef70a535561caa3a9f52575a430

        SHA512

        69d38964ee365a06bb6b884695e94757ec368ca9909198c1e78084c5e5e6ec628b092bccbe2013e4f3549570c49a629dbb7f0d747de05b50ab7ebbf354c17e30

      • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\q3620391.exe

        Filesize

        190KB

        MD5

        994938d4b1f58a9f57ad2a4781fca7fc

        SHA1

        95b458f72559c58402b4b16987ca21ce42f3a73d

        SHA256

        54f80be349f1d4a9c8d855ad5fb00601e4e7d56dc4d40c22c1afe950ffa9edac

        SHA512

        02174a88c83e604feb06ce185490ad1ab6412599846f5f2913f92eb0f84a4090a1d838b61311fc2a1b3da27578a6c1338947c1d94734b3e3adeb9ed71dd6aae8

      • C:\Users\Admin\AppData\Local\Temp\fefffe8cea\explonde.exe

        Filesize

        222KB

        MD5

        72bdc38bc642bd50901b75c325679b51

        SHA1

        ce59d066c9db2824693aeac389bd11d45ac53a29

        SHA256

        81eca1210cbdc34de5fdefb201982618a5d5b3995b7b3233a71ba7d035b2bec0

        SHA512

        6cf22cb55b6d48bc2c37e7f9f4749aaf2ad40fee0771f2302d7120e67ddd98e964bd6fab1632276e62d0160c36b35273f72e597cc5ef12418234771df8713b9c

      • memory/1112-28-0x0000000000400000-0x000000000040A000-memory.dmp

        Filesize

        40KB

      • memory/5028-44-0x0000000000780000-0x00000000007B0000-memory.dmp

        Filesize

        192KB

      • memory/5028-45-0x0000000002880000-0x0000000002886000-memory.dmp

        Filesize

        24KB

      • memory/5028-46-0x000000000AA90000-0x000000000B0A8000-memory.dmp

        Filesize

        6.1MB

      • memory/5028-47-0x000000000A5F0000-0x000000000A6FA000-memory.dmp

        Filesize

        1.0MB

      • memory/5028-48-0x000000000A530000-0x000000000A542000-memory.dmp

        Filesize

        72KB

      • memory/5028-49-0x000000000A590000-0x000000000A5CC000-memory.dmp

        Filesize

        240KB

      • memory/5028-50-0x0000000002800000-0x000000000284C000-memory.dmp

        Filesize

        304KB