Analysis

  • max time kernel
    150s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/09/2022, 20:46

General

  • Target

    4deec93744acfef5c4635ac514290f1a88b7cecfd8b213952a9d11d4a5aa00eb.exe

  • Size

    727KB

  • MD5

    0bc143a8565223a148f4da42fed1fb54

  • SHA1

    e075c8b60287cf889c2b09d9d58a137e18446ab7

  • SHA256

    4deec93744acfef5c4635ac514290f1a88b7cecfd8b213952a9d11d4a5aa00eb

  • SHA512

    8d8959379d4a53b97ad244225e4f271ac2872aaf303435941450977fdaeedd141efaf83c72b1a1240e60644d26fa1a240e5ea0bdf04e94199b05329a14b1f07e

  • SSDEEP

    768:rZmchlXKGREW6VA6joSRhFH+C9Pe2auEqainmngYWxuv8Gwmwoe9R4ZstojtfcWv:schl6M+lpDCUoHid0bIrlyR

Score
8/10

Malware Config

Signatures

  • Downloads MZ/PE file
  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 9 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 11 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4deec93744acfef5c4635ac514290f1a88b7cecfd8b213952a9d11d4a5aa00eb.exe
    "C:\Users\Admin\AppData\Local\Temp\4deec93744acfef5c4635ac514290f1a88b7cecfd8b213952a9d11d4a5aa00eb.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4500
    • C:\Windows\SysWOW64\cmd.exe
      "cmd.exe" /C chcp 1251 & powershell -Command Add-MpPreference -ExclusionPath "$ENV:USERPROFILE\Desktop" & powershell -Command Add-MpPreference -ExclusionPath "C:\ProgramData\Dllhost" & powershell -Command Add-MpPreference -ExclusionPath "C:\ProgramData\HostData"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:540
      • C:\Windows\SysWOW64\chcp.com
        chcp 1251
        3⤵
          PID:4924
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          powershell -Command Add-MpPreference -ExclusionPath "$ENV:USERPROFILE\Desktop"
          3⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:4908
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          powershell -Command Add-MpPreference -ExclusionPath "C:\ProgramData\Dllhost"
          3⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2088
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          powershell -Command Add-MpPreference -ExclusionPath "C:\ProgramData\HostData"
          3⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:3172
      • C:\ProgramData\Dllhost\dllhost.exe
        "C:\ProgramData\Dllhost\dllhost.exe"
        2⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:4136
        • C:\Windows\SysWOW64\cmd.exe
          "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "WmiPrvSE" /TR "C:\ProgramData\Dllhost\dllhost.exe"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:448
          • C:\Windows\SysWOW64\schtasks.exe
            SCHTASKS /CREATE /SC HOURLY /TN "WmiPrvSE" /TR "C:\ProgramData\Dllhost\dllhost.exe"
            4⤵
            • Creates scheduled task(s)
            PID:3496
        • C:\Windows\SysWOW64\cmd.exe
          "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "WindowsDefender" /TR "C:\ProgramData\Dllhost\dllhost.exe"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:3440
          • C:\Windows\SysWOW64\schtasks.exe
            SCHTASKS /CREATE /SC HOURLY /TN "WindowsDefender" /TR "C:\ProgramData\Dllhost\dllhost.exe"
            4⤵
            • Creates scheduled task(s)
            PID:1600
        • C:\Windows\SysWOW64\cmd.exe
          "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "SecurityHealthSystray" /TR "C:\ProgramData\Dllhost\dllhost.exe"
          3⤵
            PID:3000
            • C:\Windows\SysWOW64\schtasks.exe
              SCHTASKS /CREATE /SC HOURLY /TN "SecurityHealthSystray" /TR "C:\ProgramData\Dllhost\dllhost.exe"
              4⤵
              • Creates scheduled task(s)
              PID:3856
          • C:\Windows\SysWOW64\cmd.exe
            "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "AntiMalwareServiceExecutable" /TR "C:\ProgramData\Dllhost\dllhost.exe"
            3⤵
              PID:2260
              • C:\Windows\SysWOW64\schtasks.exe
                SCHTASKS /CREATE /SC HOURLY /TN "AntiMalwareServiceExecutable" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                4⤵
                • Creates scheduled task(s)
                PID:3844
            • C:\Windows\SysWOW64\cmd.exe
              "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "dllhost" /TR "C:\ProgramData\Dllhost\dllhost.exe"
              3⤵
                PID:2264
                • C:\Windows\SysWOW64\schtasks.exe
                  SCHTASKS /CREATE /SC HOURLY /TN "dllhost" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                  4⤵
                  • Creates scheduled task(s)
                  PID:4088
              • C:\Windows\SysWOW64\cmd.exe
                "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "MicrosoftEdgeUpd" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                3⤵
                • Suspicious use of WriteProcessMemory
                PID:3932
                • C:\Windows\SysWOW64\schtasks.exe
                  SCHTASKS /CREATE /SC HOURLY /TN "MicrosoftEdgeUpd" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                  4⤵
                  • Creates scheduled task(s)
                  PID:3280
              • C:\Windows\SysWOW64\cmd.exe
                "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "OneDriveService" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                3⤵
                  PID:4064
                  • C:\Windows\SysWOW64\schtasks.exe
                    SCHTASKS /CREATE /SC HOURLY /TN "OneDriveService" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                    4⤵
                    • Creates scheduled task(s)
                    PID:4004
                • C:\Windows\SysWOW64\cmd.exe
                  "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "NvStray" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                  3⤵
                    PID:4100
                    • C:\Windows\SysWOW64\schtasks.exe
                      SCHTASKS /CREATE /SC HOURLY /TN "NvStray" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                      4⤵
                      • Creates scheduled task(s)
                      PID:4040
                  • C:\Windows\SysWOW64\cmd.exe
                    "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "WindowsDefenderServices\WindowsDefenderServicesService_bk8659" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                    3⤵
                      PID:4304
                    • C:\Windows\SysWOW64\cmd.exe
                      "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "AntiMalwareSericeExecutable\AntiMalwareSericeExecutableService_bk3312" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                      3⤵
                      • Suspicious use of WriteProcessMemory
                      PID:3176
                      • C:\Windows\SysWOW64\schtasks.exe
                        SCHTASKS /CREATE /SC HOURLY /TN "AntiMalwareSericeExecutable\AntiMalwareSericeExecutableService_bk3312" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                        4⤵
                        • Creates scheduled task(s)
                        PID:4260
                    • C:\Windows\SysWOW64\cmd.exe
                      "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "MicrosoftUpdateServices\MicrosoftUpdateServicesService_bk3536" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                      3⤵
                        PID:3940
                        • C:\Windows\SysWOW64\schtasks.exe
                          SCHTASKS /CREATE /SC HOURLY /TN "MicrosoftUpdateServices\MicrosoftUpdateServicesService_bk3536" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                          4⤵
                          • Creates scheduled task(s)
                          PID:4924
                      • C:\Windows\SysWOW64\cmd.exe
                        "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "SettingSysHost\SettingSysHostService_bk4384" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                        3⤵
                          PID:2364
                          • C:\Windows\SysWOW64\schtasks.exe
                            SCHTASKS /CREATE /SC HOURLY /TN "SettingSysHost\SettingSysHostService_bk4384" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                            4⤵
                            • Creates scheduled task(s)
                            PID:4092
                        • C:\Windows\SysWOW64\cmd.exe
                          "cmd.exe" /c chcp 1251 & C:\ProgramData\Dllhost\winlogson.exe --config msi.bin --log off
                          3⤵
                            PID:372
                            • C:\Windows\SysWOW64\chcp.com
                              chcp 1251
                              4⤵
                                PID:116
                            • C:\Windows\SysWOW64\cmd.exe
                              "cmd.exe" /c chcp 1251 & C:\ProgramData\Dllhost\winlogson.exe --config msi.bin --log off
                              3⤵
                                PID:2268
                                • C:\Windows\SysWOW64\chcp.com
                                  chcp 1251
                                  4⤵
                                    PID:3736
                                • C:\Windows\SysWOW64\cmd.exe
                                  "cmd.exe" /c chcp 1251 & C:\ProgramData\Dllhost\winlogson.exe --config msi.bin --log off
                                  3⤵
                                    PID:4876
                                    • C:\Windows\SysWOW64\chcp.com
                                      chcp 1251
                                      4⤵
                                        PID:3772

                                Network

                                      MITRE ATT&CK Enterprise v6

                                      Replay Monitor

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                                      Downloads

                                      • C:\ProgramData\Dllhost\dllhost.exe

                                        Filesize

                                        931KB

                                        MD5

                                        d5744b25fe73e7bacdd281ac8efb53d6

                                        SHA1

                                        cbbd162c08e1df70b906c7f388c305bd1c0301c7

                                        SHA256

                                        f7224d0aab7c8595478e02774d7d4ad53ebbcef13dc2e59bf783d91c660512e9

                                        SHA512

                                        d487459184ca8ea2c7c1de769213df945bfb6af1dc6fe7d62cc99d07fcc4657f5704a1966fe4fd4a4f30f289c3a5c146dd95621ce56e3083a64d8a51e8dd99e7

                                      • C:\ProgramData\Dllhost\dllhost.exe

                                        Filesize

                                        931KB

                                        MD5

                                        d5744b25fe73e7bacdd281ac8efb53d6

                                        SHA1

                                        cbbd162c08e1df70b906c7f388c305bd1c0301c7

                                        SHA256

                                        f7224d0aab7c8595478e02774d7d4ad53ebbcef13dc2e59bf783d91c660512e9

                                        SHA512

                                        d487459184ca8ea2c7c1de769213df945bfb6af1dc6fe7d62cc99d07fcc4657f5704a1966fe4fd4a4f30f289c3a5c146dd95621ce56e3083a64d8a51e8dd99e7

                                      • C:\ProgramData\HostData\logs.uce

                                        Filesize

                                        497B

                                        MD5

                                        13fda2ab01b83a5130842a5bab3892d3

                                        SHA1

                                        6e18e4b467cde054a63a95d4dfc030f156ecd215

                                        SHA256

                                        76973d42c8fceceab7ec85b3d01b218db92564993e93a9bea31c52aa73aeee9e

                                        SHA512

                                        c51f9fd6e452fbeeedd4dfaba3c7c887e337f01e68abdd27d4032f8be85def7ef3cf0c77bf60e425b085b76c0539464c6b6e5e805a69397c5519e8ccf9fffccc

                                      • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

                                        Filesize

                                        2KB

                                        MD5

                                        968cb9309758126772781b83adb8a28f

                                        SHA1

                                        8da30e71accf186b2ba11da1797cf67f8f78b47c

                                        SHA256

                                        92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

                                        SHA512

                                        4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

                                      • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

                                        Filesize

                                        18KB

                                        MD5

                                        b2b2176931ea6d250e851511c52ddef3

                                        SHA1

                                        74a2ecd265178338b2dc936f421848654b151f43

                                        SHA256

                                        2224fd5a1eef4017864d8a0522cd8439cc705e05ca706bda48943f4597013418

                                        SHA512

                                        1ba89522f1d17a8dc2ba95453f82b5db6638e4be5ad39b24cf2260e68267e79a8850de09f85d6dbbbb4030b5b2e042a3ac5d1bb4119380ff7bd007dff012bcd0

                                      • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

                                        Filesize

                                        18KB

                                        MD5

                                        c54013b2c615753ff66edbe473af98cf

                                        SHA1

                                        a3152d9510fcc91d3faa9e3e76748663eb4ab801

                                        SHA256

                                        89f491431c2c070573693c597cf54bfae1d6230cb1c6c1d3c909f07b7ca97252

                                        SHA512

                                        72aabd2cbbf325294b548e81088efdbd96a7fde3bbfdfe929f5f4f9243ea9b3f1f8a0920e6c35c6ce8e215afb6a5a59e8fc2f854efc6f2ef57008af05b9aba55

                                      • memory/2088-158-0x0000000070160000-0x00000000701AC000-memory.dmp

                                        Filesize

                                        304KB

                                      • memory/3172-161-0x0000000070160000-0x00000000701AC000-memory.dmp

                                        Filesize

                                        304KB

                                      • memory/4136-165-0x0000000000760000-0x0000000000810000-memory.dmp

                                        Filesize

                                        704KB

                                      • memory/4500-136-0x00000000059F0000-0x0000000005A56000-memory.dmp

                                        Filesize

                                        408KB

                                      • memory/4500-135-0x0000000005800000-0x000000000580A000-memory.dmp

                                        Filesize

                                        40KB

                                      • memory/4500-132-0x0000000000D00000-0x0000000000DA8000-memory.dmp

                                        Filesize

                                        672KB

                                      • memory/4500-134-0x0000000005750000-0x00000000057E2000-memory.dmp

                                        Filesize

                                        584KB

                                      • memory/4500-133-0x0000000005C00000-0x00000000061A4000-memory.dmp

                                        Filesize

                                        5.6MB

                                      • memory/4908-147-0x00000000066F0000-0x000000000670E000-memory.dmp

                                        Filesize

                                        120KB

                                      • memory/4908-149-0x0000000007470000-0x000000000748A000-memory.dmp

                                        Filesize

                                        104KB

                                      • memory/4908-142-0x00000000051B0000-0x00000000051D2000-memory.dmp

                                        Filesize

                                        136KB

                                      • memory/4908-143-0x0000000005350000-0x00000000053B6000-memory.dmp

                                        Filesize

                                        408KB

                                      • memory/4908-140-0x0000000002B70000-0x0000000002BA6000-memory.dmp

                                        Filesize

                                        216KB

                                      • memory/4908-144-0x0000000006160000-0x000000000617E000-memory.dmp

                                        Filesize

                                        120KB

                                      • memory/4908-145-0x0000000006720000-0x0000000006752000-memory.dmp

                                        Filesize

                                        200KB

                                      • memory/4908-146-0x0000000070160000-0x00000000701AC000-memory.dmp

                                        Filesize

                                        304KB

                                      • memory/4908-154-0x00000000076E0000-0x00000000076E8000-memory.dmp

                                        Filesize

                                        32KB

                                      • memory/4908-153-0x00000000077A0000-0x00000000077BA000-memory.dmp

                                        Filesize

                                        104KB

                                      • memory/4908-148-0x0000000007AF0000-0x000000000816A000-memory.dmp

                                        Filesize

                                        6.5MB

                                      • memory/4908-152-0x00000000076A0000-0x00000000076AE000-memory.dmp

                                        Filesize

                                        56KB

                                      • memory/4908-141-0x00000000053D0000-0x00000000059F8000-memory.dmp

                                        Filesize

                                        6.2MB

                                      • memory/4908-150-0x00000000074E0000-0x00000000074EA000-memory.dmp

                                        Filesize

                                        40KB

                                      • memory/4908-151-0x0000000007700000-0x0000000007796000-memory.dmp

                                        Filesize

                                        600KB