Analysis

  • max time kernel
    164s
  • max time network
    180s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-11-2022 15:33

General

  • Target

    7f5e4fcad117286fc9a04917aea47cfd4ccb2805803f4be07f913d399a6cb67b.exe

  • Size

    269KB

  • MD5

    58976e5821ae6701f6aabbc279951cc0

  • SHA1

    9878db60426f3b0de4535afc4573c612b05cfe28

  • SHA256

    7f5e4fcad117286fc9a04917aea47cfd4ccb2805803f4be07f913d399a6cb67b

  • SHA512

    8c76c202e2cec464e4586cffa72bb18bd47adcbd8e2e17163287f88475368cc8b06657210c2af639a2d17b64cf623a857be5542fbf4da555e1f2f122de4c51d7

  • SSDEEP

    6144:7iQ4+wpCBAiKc3yu7svlVVQWx5lkinovBfBD+D3SMHZzA:7jwcBlHL7sdl5oJpASMHZc

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:2708
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
      1⤵
        PID:2728
      • C:\Windows\system32\taskhostw.exe
        taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
        1⤵
          PID:2872
        • C:\Windows\Explorer.EXE
          C:\Windows\Explorer.EXE
          1⤵
            PID:376
            • C:\Users\Admin\AppData\Local\Temp\7f5e4fcad117286fc9a04917aea47cfd4ccb2805803f4be07f913d399a6cb67b.exe
              "C:\Users\Admin\AppData\Local\Temp\7f5e4fcad117286fc9a04917aea47cfd4ccb2805803f4be07f913d399a6cb67b.exe"
              2⤵
              • Suspicious use of SetThreadContext
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of WriteProcessMemory
              PID:3292
              • C:\Users\Admin\AppData\Local\Temp\Betyux\lyvox.exe
                "C:\Users\Admin\AppData\Local\Temp\Betyux\lyvox.exe"
                3⤵
                • Executes dropped EXE
                • Adds Run key to start application
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of WriteProcessMemory
                PID:4236
              • C:\Windows\SysWOW64\cmd.exe
                "C:\Windows\system32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\CLC2B18.bat"
                3⤵
                  PID:512
            • C:\Windows\system32\svchost.exe
              C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
              1⤵
                PID:3076
              • C:\Windows\system32\DllHost.exe
                C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                1⤵
                  PID:3280
                • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                  "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                  1⤵
                    PID:3376
                  • C:\Windows\System32\RuntimeBroker.exe
                    C:\Windows\System32\RuntimeBroker.exe -Embedding
                    1⤵
                      PID:3444
                    • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                      1⤵
                        PID:3536
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3672
                        • C:\Windows\System32\RuntimeBroker.exe
                          C:\Windows\System32\RuntimeBroker.exe -Embedding
                          1⤵
                            PID:4720

                          Network

                          MITRE ATT&CK Matrix ATT&CK v6

                          Persistence

                          Registry Run Keys / Startup Folder

                          1
                          T1060

                          Defense Evasion

                          Modify Registry

                          1
                          T1112

                          Replay Monitor

                          Loading Replay Monitor...

                          Downloads

                          • C:\Users\Admin\AppData\Local\Temp\Betyux\lyvox.exe
                            Filesize

                            269KB

                            MD5

                            82279e1c1bc1119410c27e753afd3390

                            SHA1

                            85521de896761eb0c2fdf1b0139fa3d6cc506169

                            SHA256

                            5121048363e2351ec9d579b772ec945bbdf96c494effe044a9b77cf66ee7d7ce

                            SHA512

                            3933ce8844c71dabc9a7a32179e1c5f58316fff49efa268ffbfbf2190f20068d884f8d6054f32e53a6b2ed00298abb96276cafdd59490d983f96739bf3e6e931

                          • C:\Users\Admin\AppData\Local\Temp\Betyux\lyvox.exe
                            Filesize

                            269KB

                            MD5

                            82279e1c1bc1119410c27e753afd3390

                            SHA1

                            85521de896761eb0c2fdf1b0139fa3d6cc506169

                            SHA256

                            5121048363e2351ec9d579b772ec945bbdf96c494effe044a9b77cf66ee7d7ce

                            SHA512

                            3933ce8844c71dabc9a7a32179e1c5f58316fff49efa268ffbfbf2190f20068d884f8d6054f32e53a6b2ed00298abb96276cafdd59490d983f96739bf3e6e931

                          • C:\Users\Admin\AppData\Local\Temp\CLC2B18.bat
                            Filesize

                            274B

                            MD5

                            5db376d9c7fa4ae6ff0dba18dae7dd5b

                            SHA1

                            4cbdd9e5c8b54e588235382e398890a46d22f656

                            SHA256

                            9b69e3a4a3ae0f4a58b8f0fffab0462f28d7276df3369612ef8bfde17ea9728e

                            SHA512

                            6c2216dc569715bfd6a14e975fcaabdae4f1b1c9b64e07b82d950a74447a120f12a5d930c2bdd972df543ff9a0279cc477e6e515167975fb54a4f32a2b0f6612

                          • memory/512-151-0x000000006FFF0000-0x0000000070000000-memory.dmp
                            Filesize

                            64KB

                          • memory/512-153-0x0000000001300000-0x0000000001342000-memory.dmp
                            Filesize

                            264KB

                          • memory/512-152-0x000000006FFF0000-0x0000000070000000-memory.dmp
                            Filesize

                            64KB

                          • memory/512-146-0x000000006FFF0000-0x0000000070000000-memory.dmp
                            Filesize

                            64KB

                          • memory/512-150-0x000000006FFF0000-0x0000000070000000-memory.dmp
                            Filesize

                            64KB

                          • memory/512-149-0x000000006FFF0000-0x0000000070000000-memory.dmp
                            Filesize

                            64KB

                          • memory/512-148-0x000000006FFF0000-0x0000000070000000-memory.dmp
                            Filesize

                            64KB

                          • memory/512-147-0x000000006FFF0000-0x0000000070000000-memory.dmp
                            Filesize

                            64KB

                          • memory/512-144-0x0000000000000000-mapping.dmp
                          • memory/512-145-0x0000000001300000-0x0000000001342000-memory.dmp
                            Filesize

                            264KB

                          • memory/3292-138-0x000000006FFF0000-0x0000000070000000-memory.dmp
                            Filesize

                            64KB

                          • memory/3292-143-0x000000006FFF0000-0x0000000070000000-memory.dmp
                            Filesize

                            64KB

                          • memory/3292-142-0x000000006FFF0000-0x0000000070000000-memory.dmp
                            Filesize

                            64KB

                          • memory/3292-141-0x000000006FFF0000-0x0000000070000000-memory.dmp
                            Filesize

                            64KB

                          • memory/3292-140-0x000000006FFF0000-0x0000000070000000-memory.dmp
                            Filesize

                            64KB

                          • memory/3292-139-0x000000006FFF0000-0x0000000070000000-memory.dmp
                            Filesize

                            64KB

                          • memory/3292-132-0x0000000000400000-0x0000000000444000-memory.dmp
                            Filesize

                            272KB

                          • memory/3292-133-0x0000000000401000-0x0000000000439000-memory.dmp
                            Filesize

                            224KB

                          • memory/4236-134-0x0000000000000000-mapping.dmp