Analysis

  • max time kernel
    153s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/11/2022, 17:22

General

  • Target

    56d2850272256c0312f8d6484c69d97dbfa15870a368153fa93734bab829c21b.exe

  • Size

    359KB

  • MD5

    78ea828e9434fbe1ca631f2d812bb603

  • SHA1

    6d24bb6271b60926a2842060f4cca46900833d5f

  • SHA256

    56d2850272256c0312f8d6484c69d97dbfa15870a368153fa93734bab829c21b

  • SHA512

    a19127383ba86e6a649bbd076b88e31167841797b00b2b95a82332f520db998e319dfb4f7edfc18908cf3f1ce26b3332a1e9530d1fe137aabdbadba4911408fe

  • SSDEEP

    6144:03lgk4W2GD/X1ku/xUffWkMk4T5iup7blk2k7uEcldPlLWAfTfb90tTU:VcD/X1//Wnb65lJgk9yAh

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 62 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
    "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
    1⤵
      PID:3328
    • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
      "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
      1⤵
        PID:3496
      • C:\Windows\System32\RuntimeBroker.exe
        C:\Windows\System32\RuntimeBroker.exe -Embedding
        1⤵
          PID:3648
        • C:\Windows\System32\RuntimeBroker.exe
          C:\Windows\System32\RuntimeBroker.exe -Embedding
          1⤵
            PID:4716
          • C:\Windows\System32\RuntimeBroker.exe
            C:\Windows\System32\RuntimeBroker.exe -Embedding
            1⤵
              PID:3408
            • C:\Windows\system32\DllHost.exe
              C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
              1⤵
                PID:3236
              • C:\Windows\system32\svchost.exe
                C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                1⤵
                  PID:2632
                • C:\Windows\Explorer.EXE
                  C:\Windows\Explorer.EXE
                  1⤵
                    PID:3068
                    • C:\Users\Admin\AppData\Local\Temp\56d2850272256c0312f8d6484c69d97dbfa15870a368153fa93734bab829c21b.exe
                      "C:\Users\Admin\AppData\Local\Temp\56d2850272256c0312f8d6484c69d97dbfa15870a368153fa93734bab829c21b.exe"
                      2⤵
                      • Suspicious use of SetThreadContext
                      • Suspicious use of WriteProcessMemory
                      PID:4964
                      • C:\Users\Admin\AppData\Roaming\Wekuwy\laezn.exe
                        "C:\Users\Admin\AppData\Roaming\Wekuwy\laezn.exe"
                        3⤵
                        • Executes dropped EXE
                        • Adds Run key to start application
                        • Suspicious behavior: EnumeratesProcesses
                        • Suspicious use of WriteProcessMemory
                        PID:5024
                      • C:\Windows\SysWOW64\cmd.exe
                        "C:\Windows\system32\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\tmp8a07996a.bat"
                        3⤵
                          PID:1584
                    • C:\Windows\system32\taskhostw.exe
                      taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
                      1⤵
                        PID:2396
                      • C:\Windows\system32\svchost.exe
                        C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                        1⤵
                          PID:2340
                        • C:\Windows\system32\sihost.exe
                          sihost.exe
                          1⤵
                            PID:2312

                          Network

                          MITRE ATT&CK Enterprise v6

                          Replay Monitor

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                          Downloads

                          • C:\Users\Admin\AppData\Local\Temp\tmp8a07996a.bat

                            Filesize

                            307B

                            MD5

                            8a2910a71f6e330f133f8ff48d9cc871

                            SHA1

                            68293d2b5c2651cb936b0d0fc56e4b07f2900b91

                            SHA256

                            937da1ab7674d7b1838926d338385d264cc1c94cec5d6a38651c9fa3a2659181

                            SHA512

                            d9b2ca6032fcf21833890c59d2eb784fd9f6abf091c88987a1f8f64442a83d23d56235374ac9b20f9af9477d0c6f1ccf03fbb9990d951afb09fd55734e6e7300

                          • C:\Users\Admin\AppData\Roaming\Wekuwy\laezn.exe

                            Filesize

                            359KB

                            MD5

                            6df02ef9cdc9cd74b28fdfe907ad63ce

                            SHA1

                            69b80ca74c75852e51f95eb1f5f856c69a17d35e

                            SHA256

                            f3539ac8ba6f6b3587410466ab1c0600e264f8fd59492133cd6495cab478d6c8

                            SHA512

                            0140a676e834dd09127cbaacceddee29c4f2ec037c5942d2dcc0fac15c0bd745d2c8c6a578a8f070e364aa7108752c34767c3fc88ac6357155cef0d9f354aeca

                          • C:\Users\Admin\AppData\Roaming\Wekuwy\laezn.exe

                            Filesize

                            359KB

                            MD5

                            6df02ef9cdc9cd74b28fdfe907ad63ce

                            SHA1

                            69b80ca74c75852e51f95eb1f5f856c69a17d35e

                            SHA256

                            f3539ac8ba6f6b3587410466ab1c0600e264f8fd59492133cd6495cab478d6c8

                            SHA512

                            0140a676e834dd09127cbaacceddee29c4f2ec037c5942d2dcc0fac15c0bd745d2c8c6a578a8f070e364aa7108752c34767c3fc88ac6357155cef0d9f354aeca

                          • memory/1584-148-0x0000000000B50000-0x0000000000B9C000-memory.dmp

                            Filesize

                            304KB

                          • memory/1584-158-0x0000000000B50000-0x0000000000B9C000-memory.dmp

                            Filesize

                            304KB

                          • memory/1584-151-0x000000006FFF0000-0x0000000070000000-memory.dmp

                            Filesize

                            64KB

                          • memory/1584-153-0x000000006FFF0000-0x0000000070000000-memory.dmp

                            Filesize

                            64KB

                          • memory/1584-156-0x000000006FFF0000-0x0000000070000000-memory.dmp

                            Filesize

                            64KB

                          • memory/1584-154-0x000000006FFF0000-0x0000000070000000-memory.dmp

                            Filesize

                            64KB

                          • memory/1584-155-0x000000006FFF0000-0x0000000070000000-memory.dmp

                            Filesize

                            64KB

                          • memory/1584-152-0x000000006FFF0000-0x0000000070000000-memory.dmp

                            Filesize

                            64KB

                          • memory/4964-145-0x000000006FFF0000-0x0000000070000000-memory.dmp

                            Filesize

                            64KB

                          • memory/4964-143-0x000000006FFF0000-0x0000000070000000-memory.dmp

                            Filesize

                            64KB

                          • memory/4964-149-0x0000000000400000-0x000000000044C000-memory.dmp

                            Filesize

                            304KB

                          • memory/4964-150-0x0000000000B10000-0x0000000000B5C000-memory.dmp

                            Filesize

                            304KB

                          • memory/4964-144-0x000000006FFF0000-0x0000000070000000-memory.dmp

                            Filesize

                            64KB

                          • memory/4964-146-0x000000006FFF0000-0x0000000070000000-memory.dmp

                            Filesize

                            64KB

                          • memory/4964-138-0x0000000000400000-0x000000000045B000-memory.dmp

                            Filesize

                            364KB

                          • memory/4964-135-0x0000000000400000-0x000000000044C000-memory.dmp

                            Filesize

                            304KB

                          • memory/4964-142-0x000000006FFF0000-0x0000000070000000-memory.dmp

                            Filesize

                            64KB

                          • memory/4964-136-0x0000000000400000-0x000000000044C000-memory.dmp

                            Filesize

                            304KB

                          • memory/4964-137-0x0000000000A70000-0x0000000000ABC000-memory.dmp

                            Filesize

                            304KB

                          • memory/5024-159-0x0000000000980000-0x00000000009CC000-memory.dmp

                            Filesize

                            304KB

                          • memory/5024-160-0x0000000000400000-0x000000000045B000-memory.dmp

                            Filesize

                            364KB

                          • memory/5024-161-0x0000000000400000-0x000000000045B000-memory.dmp

                            Filesize

                            364KB