Analysis

  • max time kernel
    145s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231020-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/11/2023, 07:48

General

  • Target

    2d9135931d16fba7ba1bf64a394339e582e04d41eec06ead216c8e41191de135.exe

  • Size

    6.7MB

  • MD5

    73215d93b51334d8fdba1ea72103e125

  • SHA1

    cd56230d83784a10da0cc8781aa04fd2748cce5a

  • SHA256

    2d9135931d16fba7ba1bf64a394339e582e04d41eec06ead216c8e41191de135

  • SHA512

    22e3bb23f2e00e8b5f9646ec27d4cbc56651bb160f3ce7158909de8e2cfb38a484a3f95e1339c6e95388d7348b415169042c57129df7ec4314926e288c0eaf24

  • SSDEEP

    98304:MsCzqogSmhk928pS3rYTV+YsuZlzNfxWbafbQbcpL2j/+hFDhzFUAto4TgT7mWxu:ouJDKxS72+YtnzBxWa+2h+AtDgTyWxu

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 1 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Drops file in Program Files directory 61 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 15 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2d9135931d16fba7ba1bf64a394339e582e04d41eec06ead216c8e41191de135.exe
    "C:\Users\Admin\AppData\Local\Temp\2d9135931d16fba7ba1bf64a394339e582e04d41eec06ead216c8e41191de135.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3000
    • C:\Users\Admin\AppData\Local\Temp\is-DP0EK.tmp\2d9135931d16fba7ba1bf64a394339e582e04d41eec06ead216c8e41191de135.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-DP0EK.tmp\2d9135931d16fba7ba1bf64a394339e582e04d41eec06ead216c8e41191de135.tmp" /SL5="$60040,6709038,54272,C:\Users\Admin\AppData\Local\Temp\2d9135931d16fba7ba1bf64a394339e582e04d41eec06ead216c8e41191de135.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of WriteProcessMemory
      PID:3264
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Delete /F /TN "RBXM11111"
        3⤵
          PID:4560
        • C:\Program Files (x86)\RBXMail\RBXMail.exe
          "C:\Program Files (x86)\RBXMail\RBXMail.exe"
          3⤵
          • Executes dropped EXE
          PID:1956
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 1956 -s 912
            4⤵
            • Program crash
            PID:1856
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 1956 -s 932
            4⤵
            • Program crash
            PID:4000
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 1956 -s 1124
            4⤵
            • Program crash
            PID:2828
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 1956 -s 140
            4⤵
            • Program crash
            PID:4408
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /Query
          3⤵
            PID:4924
          • C:\Program Files (x86)\RBXMail\RBXMail.exe
            "C:\Program Files (x86)\RBXMail\RBXMail.exe" dad00ee417e2228678f8773fc5966125
            3⤵
            • Executes dropped EXE
            • Suspicious behavior: EnumeratesProcesses
            PID:3528
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 3528 -s 888
              4⤵
              • Program crash
              PID:2928
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 3528 -s 904
              4⤵
              • Program crash
              PID:2428
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 3528 -s 916
              4⤵
              • Program crash
              PID:1208
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 3528 -s 948
              4⤵
              • Program crash
              PID:1800
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 3528 -s 920
              4⤵
              • Program crash
              PID:2700
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 3528 -s 1120
              4⤵
              • Program crash
              PID:4172
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 3528 -s 1128
              4⤵
              • Program crash
              PID:4712
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 3528 -s 1344
              4⤵
              • Program crash
              PID:3628
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 3528 -s 1352
              4⤵
              • Program crash
              PID:3860
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 3528 -s 1020
              4⤵
              • Program crash
              PID:4836
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 3528 -s 900
              4⤵
              • Program crash
              PID:4928
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1956 -ip 1956
        1⤵
          PID:64
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 1956 -ip 1956
          1⤵
            PID:1156
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 1956 -ip 1956
            1⤵
              PID:4232
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 1956 -ip 1956
              1⤵
                PID:2212
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 3528 -ip 3528
                1⤵
                  PID:2332
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 3528 -ip 3528
                  1⤵
                    PID:860
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 3528 -ip 3528
                    1⤵
                      PID:2540
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 3528 -ip 3528
                      1⤵
                        PID:1020
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 3528 -ip 3528
                        1⤵
                          PID:3584
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 3528 -ip 3528
                          1⤵
                            PID:220
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -pss -s 576 -p 3528 -ip 3528
                            1⤵
                              PID:3352
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 584 -p 3528 -ip 3528
                              1⤵
                                PID:1132
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 568 -p 3528 -ip 3528
                                1⤵
                                  PID:1572
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 584 -p 3528 -ip 3528
                                  1⤵
                                    PID:1488
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -pss -s 568 -p 3528 -ip 3528
                                    1⤵
                                      PID:644

                                    Network

                                          MITRE ATT&CK Enterprise v15

                                          Replay Monitor

                                          Loading Replay Monitor...

                                          Downloads

                                          • C:\Program Files (x86)\RBXMail\RBXMail.exe

                                            Filesize

                                            4.5MB

                                            MD5

                                            2fb9733b998fc507921444b13a9e4e64

                                            SHA1

                                            b831509516213e82435dfe9b496a8e911e04c6e9

                                            SHA256

                                            a9b3021594c6becdf41c65ffcb49c1757f4488730c3640a2d34db78291ca7a56

                                            SHA512

                                            477ca2139bfd8120c3a9502de747b425c3b1e53aaaffaf7754fbf9202ca1ade317ff419563d607044203d04d2410d7ee7980c9600cf056daf0ec4eab6cbc0a74

                                          • C:\Program Files (x86)\RBXMail\RBXMail.exe

                                            Filesize

                                            4.5MB

                                            MD5

                                            2fb9733b998fc507921444b13a9e4e64

                                            SHA1

                                            b831509516213e82435dfe9b496a8e911e04c6e9

                                            SHA256

                                            a9b3021594c6becdf41c65ffcb49c1757f4488730c3640a2d34db78291ca7a56

                                            SHA512

                                            477ca2139bfd8120c3a9502de747b425c3b1e53aaaffaf7754fbf9202ca1ade317ff419563d607044203d04d2410d7ee7980c9600cf056daf0ec4eab6cbc0a74

                                          • C:\Program Files (x86)\RBXMail\RBXMail.exe

                                            Filesize

                                            4.5MB

                                            MD5

                                            2fb9733b998fc507921444b13a9e4e64

                                            SHA1

                                            b831509516213e82435dfe9b496a8e911e04c6e9

                                            SHA256

                                            a9b3021594c6becdf41c65ffcb49c1757f4488730c3640a2d34db78291ca7a56

                                            SHA512

                                            477ca2139bfd8120c3a9502de747b425c3b1e53aaaffaf7754fbf9202ca1ade317ff419563d607044203d04d2410d7ee7980c9600cf056daf0ec4eab6cbc0a74

                                          • C:\Users\Admin\AppData\Local\Temp\is-DP0EK.tmp\2d9135931d16fba7ba1bf64a394339e582e04d41eec06ead216c8e41191de135.tmp

                                            Filesize

                                            683KB

                                            MD5

                                            f507ce43ea08d1721816ad4b0e090f50

                                            SHA1

                                            e4f02bcd410bddabea4c741838d9a88386547629

                                            SHA256

                                            d2218bde27d66f28e3caf15e899653a9357ebdc7adf9a763b687f6c03c93e5e1

                                            SHA512

                                            37b2f92df632f75447572df840a236ef01021e8291536bf2e8156179333f770afdd8bcbf50cb05bbdbdaa53c00ace46119290800b115823ea035a2389a3f6693

                                          • C:\Users\Admin\AppData\Local\Temp\is-DP0EK.tmp\2d9135931d16fba7ba1bf64a394339e582e04d41eec06ead216c8e41191de135.tmp

                                            Filesize

                                            683KB

                                            MD5

                                            f507ce43ea08d1721816ad4b0e090f50

                                            SHA1

                                            e4f02bcd410bddabea4c741838d9a88386547629

                                            SHA256

                                            d2218bde27d66f28e3caf15e899653a9357ebdc7adf9a763b687f6c03c93e5e1

                                            SHA512

                                            37b2f92df632f75447572df840a236ef01021e8291536bf2e8156179333f770afdd8bcbf50cb05bbdbdaa53c00ace46119290800b115823ea035a2389a3f6693

                                          • C:\Users\Admin\AppData\Local\Temp\is-N4L11.tmp\_isetup\_iscrypt.dll

                                            Filesize

                                            2KB

                                            MD5

                                            a69559718ab506675e907fe49deb71e9

                                            SHA1

                                            bc8f404ffdb1960b50c12ff9413c893b56f2e36f

                                            SHA256

                                            2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

                                            SHA512

                                            e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

                                          • memory/1956-141-0x0000000000400000-0x0000000000C76000-memory.dmp

                                            Filesize

                                            8.5MB

                                          • memory/1956-150-0x0000000000400000-0x0000000000C76000-memory.dmp

                                            Filesize

                                            8.5MB

                                          • memory/1956-143-0x0000000003E60000-0x0000000003E61000-memory.dmp

                                            Filesize

                                            4KB

                                          • memory/1956-142-0x0000000000400000-0x0000000000C76000-memory.dmp

                                            Filesize

                                            8.5MB

                                          • memory/1956-139-0x0000000000400000-0x0000000000C76000-memory.dmp

                                            Filesize

                                            8.5MB

                                          • memory/3000-134-0x0000000000400000-0x0000000000414000-memory.dmp

                                            Filesize

                                            80KB

                                          • memory/3000-0-0x0000000000400000-0x0000000000414000-memory.dmp

                                            Filesize

                                            80KB

                                          • memory/3000-2-0x0000000000400000-0x0000000000414000-memory.dmp

                                            Filesize

                                            80KB

                                          • memory/3264-158-0x0000000000400000-0x00000000004BA000-memory.dmp

                                            Filesize

                                            744KB

                                          • memory/3264-146-0x0000000000670000-0x0000000000671000-memory.dmp

                                            Filesize

                                            4KB

                                          • memory/3264-7-0x0000000000670000-0x0000000000671000-memory.dmp

                                            Filesize

                                            4KB

                                          • memory/3264-145-0x0000000000400000-0x00000000004BA000-memory.dmp

                                            Filesize

                                            744KB

                                          • memory/3264-135-0x0000000000400000-0x00000000004BA000-memory.dmp

                                            Filesize

                                            744KB

                                          • memory/3528-153-0x0000000000400000-0x0000000000C76000-memory.dmp

                                            Filesize

                                            8.5MB

                                          • memory/3528-156-0x0000000000400000-0x0000000000C76000-memory.dmp

                                            Filesize

                                            8.5MB

                                          • memory/3528-157-0x0000000003D20000-0x0000000003D21000-memory.dmp

                                            Filesize

                                            4KB

                                          • memory/3528-161-0x0000000000400000-0x0000000000C76000-memory.dmp

                                            Filesize

                                            8.5MB

                                          • memory/3528-169-0x0000000000400000-0x0000000000C76000-memory.dmp

                                            Filesize

                                            8.5MB

                                          • memory/3528-172-0x0000000000400000-0x0000000000C76000-memory.dmp

                                            Filesize

                                            8.5MB