Analysis

  • max time kernel
    152s
  • max time network
    179s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-11-2022 09:44

General

  • Target

    739003fabfa0179bc5d607489bbf79d20a984993a31721fcc9fafefff4010cac.exe

  • Size

    429KB

  • MD5

    08ef62033515e5036d20fb851ed5028c

  • SHA1

    39a4276cde4368f377de8796f11fd2135a9ab7a5

  • SHA256

    739003fabfa0179bc5d607489bbf79d20a984993a31721fcc9fafefff4010cac

  • SHA512

    3f7da0b9c49f6d5931f063b65f77287c252655cdd59621715aa5af472453bcae617f2fadb1a1036cbc4e1f497421b285e096bab5e836fea2cdee182722acf120

  • SSDEEP

    6144:WD+UC5zn42swT2E47RMEpWzIiRojL6xLsVz6xkY72wcqOYFQWhBdqMXBrwUbWpyU:WU4JJrrWzXOLBR6eYiC2G7pBrdbpx8f

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
      PID:2464
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
      1⤵
        PID:3060
      • C:\Windows\System32\RuntimeBroker.exe
        C:\Windows\System32\RuntimeBroker.exe -Embedding
        1⤵
          PID:3424
        • C:\Windows\System32\RuntimeBroker.exe
          C:\Windows\System32\RuntimeBroker.exe -Embedding
          1⤵
            PID:3664
          • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
            "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
            1⤵
              PID:3512
            • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
              "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
              1⤵
                PID:3352
              • C:\Windows\system32\DllHost.exe
                C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                1⤵
                  PID:3256
                • C:\Windows\Explorer.EXE
                  C:\Windows\Explorer.EXE
                  1⤵
                    PID:2616
                    • C:\Users\Admin\AppData\Local\Temp\739003fabfa0179bc5d607489bbf79d20a984993a31721fcc9fafefff4010cac.exe
                      "C:\Users\Admin\AppData\Local\Temp\739003fabfa0179bc5d607489bbf79d20a984993a31721fcc9fafefff4010cac.exe"
                      2⤵
                      • Suspicious use of SetThreadContext
                      • Suspicious use of WriteProcessMemory
                      PID:1652
                      • C:\Users\Admin\AppData\Roaming\Ujoc\ohcev.exe
                        "C:\Users\Admin\AppData\Roaming\Ujoc\ohcev.exe"
                        3⤵
                        • Executes dropped EXE
                        • Adds Run key to start application
                        • Suspicious behavior: EnumeratesProcesses
                        • Suspicious use of WriteProcessMemory
                        PID:2964
                      • C:\Windows\SysWOW64\cmd.exe
                        "C:\Windows\system32\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\BNDB6DC.bat"
                        3⤵
                          PID:3860
                          • C:\Windows\System32\Conhost.exe
                            \??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
                            4⤵
                              PID:4656
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:4512
                        • C:\Windows\system32\taskhostw.exe
                          taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
                          1⤵
                            PID:2556
                          • C:\Windows\system32\svchost.exe
                            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                            1⤵
                              PID:2476
                            • C:\Windows\system32\backgroundTaskHost.exe
                              "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                              1⤵
                                PID:4980
                              • C:\Windows\system32\backgroundTaskHost.exe
                                "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
                                1⤵
                                  PID:4992
                                • C:\Windows\System32\RuntimeBroker.exe
                                  C:\Windows\System32\RuntimeBroker.exe -Embedding
                                  1⤵
                                    PID:4716
                                  • C:\Windows\system32\BackgroundTransferHost.exe
                                    "BackgroundTransferHost.exe" -ServerName:BackgroundTransferHost.1
                                    1⤵
                                      PID:5112
                                    • C:\Windows\system32\backgroundTaskHost.exe
                                      "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                      1⤵
                                        PID:2608
                                      • C:\Windows\system32\backgroundTaskHost.exe
                                        "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                        1⤵
                                          PID:1432

                                        Network

                                        MITRE ATT&CK Enterprise v6

                                        Replay Monitor

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                                        Downloads

                                        • C:\Users\Admin\AppData\Local\Temp\BNDB6DC.bat

                                          Filesize

                                          303B

                                          MD5

                                          d4a5568001cd0df145eb7fd186e2bb0b

                                          SHA1

                                          8cd2b7a4d4456f77eed2ea465387ce05876f51a9

                                          SHA256

                                          9fd21579c7a9bed21350fc40ad42b58cc17bacba9ae7370a2d75c6f6a93fcccf

                                          SHA512

                                          086a0a3db9acccf599eb4c9bb1db036350cac86c57e107bf2745391d890b65c15726ca7b85c4d530549f09a64b4fb79ba09fd4cdbf94a50920a6a002681f9fbd

                                        • C:\Users\Admin\AppData\Roaming\Ujoc\ohcev.exe

                                          Filesize

                                          429KB

                                          MD5

                                          1c71e7281eaa5fe6e88288bac680e6ac

                                          SHA1

                                          300bb88c3873a437a6c2879173d6aa74699385f6

                                          SHA256

                                          e755cd6160be5296e82400a3b24d148a52153e72fae332e1d663848314a57d63

                                          SHA512

                                          7dbb84e171c17f494fe68942652d5807aab17eaf0dd5c248213657f18e146cec175243dd12601016b08d27766f3db9c514412a1fd9e650f76f9b02abde379bbe

                                        • C:\Users\Admin\AppData\Roaming\Ujoc\ohcev.exe

                                          Filesize

                                          429KB

                                          MD5

                                          1c71e7281eaa5fe6e88288bac680e6ac

                                          SHA1

                                          300bb88c3873a437a6c2879173d6aa74699385f6

                                          SHA256

                                          e755cd6160be5296e82400a3b24d148a52153e72fae332e1d663848314a57d63

                                          SHA512

                                          7dbb84e171c17f494fe68942652d5807aab17eaf0dd5c248213657f18e146cec175243dd12601016b08d27766f3db9c514412a1fd9e650f76f9b02abde379bbe

                                        • memory/1652-134-0x0000000000400000-0x000000000046E000-memory.dmp

                                          Filesize

                                          440KB

                                        • memory/1652-133-0x0000000002860000-0x0000000002C60000-memory.dmp

                                          Filesize

                                          4.0MB

                                        • memory/1652-138-0x0000000002860000-0x0000000002C60000-memory.dmp

                                          Filesize

                                          4.0MB

                                        • memory/1652-149-0x0000000002860000-0x0000000002C60000-memory.dmp

                                          Filesize

                                          4.0MB

                                        • memory/1652-139-0x000000006FFF0000-0x0000000070000000-memory.dmp

                                          Filesize

                                          64KB

                                        • memory/1652-140-0x000000006FFF0000-0x0000000070000000-memory.dmp

                                          Filesize

                                          64KB

                                        • memory/1652-141-0x000000006FFF0000-0x0000000070000000-memory.dmp

                                          Filesize

                                          64KB

                                        • memory/1652-142-0x000000006FFF0000-0x0000000070000000-memory.dmp

                                          Filesize

                                          64KB

                                        • memory/1652-144-0x000000006FFF0000-0x0000000070000000-memory.dmp

                                          Filesize

                                          64KB

                                        • memory/1652-143-0x000000006FFF0000-0x0000000070000000-memory.dmp

                                          Filesize

                                          64KB

                                        • memory/1652-150-0x00000000026A0000-0x00000000026E9000-memory.dmp

                                          Filesize

                                          292KB

                                        • memory/1652-132-0x0000000002860000-0x0000000002C60000-memory.dmp

                                          Filesize

                                          4.0MB

                                        • memory/2964-147-0x0000000000400000-0x000000000046E000-memory.dmp

                                          Filesize

                                          440KB

                                        • memory/2964-135-0x0000000000000000-mapping.dmp

                                        • memory/2964-148-0x0000000002960000-0x0000000002D60000-memory.dmp

                                          Filesize

                                          4.0MB

                                        • memory/2964-160-0x0000000002960000-0x0000000002D60000-memory.dmp

                                          Filesize

                                          4.0MB

                                        • memory/3860-155-0x000000006FFF0000-0x0000000070000000-memory.dmp

                                          Filesize

                                          64KB

                                        • memory/3860-152-0x000000006FFF0000-0x0000000070000000-memory.dmp

                                          Filesize

                                          64KB

                                        • memory/3860-154-0x000000006FFF0000-0x0000000070000000-memory.dmp

                                          Filesize

                                          64KB

                                        • memory/3860-146-0x0000000000B00000-0x0000000000B49000-memory.dmp

                                          Filesize

                                          292KB

                                        • memory/3860-153-0x000000006FFF0000-0x0000000070000000-memory.dmp

                                          Filesize

                                          64KB

                                        • memory/3860-157-0x000000006FFF0000-0x0000000070000000-memory.dmp

                                          Filesize

                                          64KB

                                        • memory/3860-156-0x000000006FFF0000-0x0000000070000000-memory.dmp

                                          Filesize

                                          64KB

                                        • memory/3860-158-0x0000000000B00000-0x0000000000B49000-memory.dmp

                                          Filesize

                                          292KB

                                        • memory/3860-151-0x000000006FFF0000-0x0000000070000000-memory.dmp

                                          Filesize

                                          64KB

                                        • memory/3860-145-0x0000000000000000-mapping.dmp