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Analysis

  • max time kernel
    150s
  • max time network
    133s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/09/2022, 02:07

General

  • Target

    731027b32cb7f69fcd89714cabbb059d7e230839d9c8dc652371f93d51fd12cd.exe

  • Size

    728KB

  • MD5

    7faeedb9d319bd21baccf82418043709

  • SHA1

    64d1ee2b7899cec2b73e1831ca32c8cd980e79de

  • SHA256

    731027b32cb7f69fcd89714cabbb059d7e230839d9c8dc652371f93d51fd12cd

  • SHA512

    46da97451e2823295b42f5c61294157d3d9b83306626580b5514dff54193ec126a646b2d400b0e1d15d384a94ca2d52abd2d532d3fe0c4c6bc937eb57c50166b

  • 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 12 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\731027b32cb7f69fcd89714cabbb059d7e230839d9c8dc652371f93d51fd12cd.exe
    "C:\Users\Admin\AppData\Local\Temp\731027b32cb7f69fcd89714cabbb059d7e230839d9c8dc652371f93d51fd12cd.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:644
    • C:\Windows\SysWOW64\cmd.exe
      "cmd.exe" /C chcp 1251 & powershell -Command Add-MpPreference -ExclusionPath "$ENV:USERPROFILE\Desktop" & powershell -Command Add-MpPreference -ExclusionPath "C:\ProgramData\Dllhost" & powershell -Command Add-MpPreference -ExclusionPath "C:\ProgramData\HostData"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2320
      • C:\Windows\SysWOW64\chcp.com
        chcp 1251
        3⤵
          PID:4200
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          powershell -Command Add-MpPreference -ExclusionPath "$ENV:USERPROFILE\Desktop"
          3⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:4612
        • 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:2672
        • 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:2512
      • 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:1832
        • C:\Windows\SysWOW64\cmd.exe
          "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "SecurityHealthSystray" /TR "C:\ProgramData\Dllhost\dllhost.exe"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:372
          • C:\Windows\SysWOW64\schtasks.exe
            SCHTASKS /CREATE /SC HOURLY /TN "SecurityHealthSystray" /TR "C:\ProgramData\Dllhost\dllhost.exe"
            4⤵
            • Creates scheduled task(s)
            PID:1016
        • 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:3624
          • C:\Windows\SysWOW64\schtasks.exe
            SCHTASKS /CREATE /SC HOURLY /TN "WindowsDefender" /TR "C:\ProgramData\Dllhost\dllhost.exe"
            4⤵
            • Creates scheduled task(s)
            PID:3372
        • C:\Windows\SysWOW64\cmd.exe
          "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "AntiMalwareServiceExecutable" /TR "C:\ProgramData\Dllhost\dllhost.exe"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:4124
          • C:\Windows\SysWOW64\schtasks.exe
            SCHTASKS /CREATE /SC HOURLY /TN "AntiMalwareServiceExecutable" /TR "C:\ProgramData\Dllhost\dllhost.exe"
            4⤵
            • Creates scheduled task(s)
            PID:4792
        • C:\Windows\SysWOW64\cmd.exe
          "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "dllhost" /TR "C:\ProgramData\Dllhost\dllhost.exe"
          3⤵
            PID:4888
            • C:\Windows\SysWOW64\schtasks.exe
              SCHTASKS /CREATE /SC HOURLY /TN "dllhost" /TR "C:\ProgramData\Dllhost\dllhost.exe"
              4⤵
              • Creates scheduled task(s)
              PID:4132
          • C:\Windows\SysWOW64\cmd.exe
            "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "MicrosoftEdgeUpd" /TR "C:\ProgramData\Dllhost\dllhost.exe"
            3⤵
              PID:968
              • C:\Windows\SysWOW64\schtasks.exe
                SCHTASKS /CREATE /SC HOURLY /TN "MicrosoftEdgeUpd" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                4⤵
                • Creates scheduled task(s)
                PID:5044
            • C:\Windows\SysWOW64\cmd.exe
              "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "OneDriveService" /TR "C:\ProgramData\Dllhost\dllhost.exe"
              3⤵
                PID:2848
                • C:\Windows\SysWOW64\schtasks.exe
                  SCHTASKS /CREATE /SC HOURLY /TN "OneDriveService" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                  4⤵
                  • Creates scheduled task(s)
                  PID:3604
              • 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:2368
                • C:\Windows\SysWOW64\schtasks.exe
                  SCHTASKS /CREATE /SC HOURLY /TN "WmiPrvSE" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                  4⤵
                  • Creates scheduled task(s)
                  PID:2252
              • C:\Windows\SysWOW64\cmd.exe
                "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "WindowsDefenderServices\WindowsDefenderServicesService_bk1441" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                3⤵
                  PID:4576
                  • C:\Windows\SysWOW64\schtasks.exe
                    SCHTASKS /CREATE /SC HOURLY /TN "WindowsDefenderServices\WindowsDefenderServicesService_bk1441" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                    4⤵
                    • Creates scheduled task(s)
                    PID:4636
                • C:\Windows\SysWOW64\cmd.exe
                  "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "NvStray" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                  3⤵
                    PID:3884
                    • C:\Windows\SysWOW64\schtasks.exe
                      SCHTASKS /CREATE /SC HOURLY /TN "NvStray" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                      4⤵
                      • Creates scheduled task(s)
                      PID:4396
                  • C:\Windows\SysWOW64\cmd.exe
                    "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "AntiMalwareSericeExecutable\AntiMalwareSericeExecutableService_bk6599" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                    3⤵
                      PID:4284
                      • C:\Windows\SysWOW64\schtasks.exe
                        SCHTASKS /CREATE /SC HOURLY /TN "AntiMalwareSericeExecutable\AntiMalwareSericeExecutableService_bk6599" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                        4⤵
                        • Creates scheduled task(s)
                        PID:3572
                    • C:\Windows\SysWOW64\cmd.exe
                      "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "MicrosoftUpdateServices\MicrosoftUpdateServicesService_bk7186" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                      3⤵
                        PID:2396
                        • C:\Windows\SysWOW64\schtasks.exe
                          SCHTASKS /CREATE /SC HOURLY /TN "MicrosoftUpdateServices\MicrosoftUpdateServicesService_bk7186" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                          4⤵
                          • Creates scheduled task(s)
                          PID:1956
                      • C:\Windows\SysWOW64\cmd.exe
                        "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "SettingSysHost\SettingSysHostService_bk8450" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                        3⤵
                          PID:4400
                          • C:\Windows\SysWOW64\schtasks.exe
                            SCHTASKS /CREATE /SC HOURLY /TN "SettingSysHost\SettingSysHostService_bk8450" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                            4⤵
                            • Creates scheduled task(s)
                            PID:544
                        • C:\Windows\SysWOW64\cmd.exe
                          "cmd.exe" /c chcp 1251 & C:\ProgramData\Dllhost\winlogson.exe --config msi.bin --log off
                          3⤵
                            PID:2316
                            • C:\Windows\SysWOW64\chcp.com
                              chcp 1251
                              4⤵
                                PID:848
                            • C:\Windows\SysWOW64\cmd.exe
                              "cmd.exe" /c chcp 1251 & C:\ProgramData\Dllhost\winlogson.exe --config msi.bin --log off
                              3⤵
                                PID:2208
                                • C:\Windows\SysWOW64\chcp.com
                                  chcp 1251
                                  4⤵
                                    PID:4748
                                • C:\Windows\SysWOW64\cmd.exe
                                  "cmd.exe" /c chcp 1251 & C:\ProgramData\Dllhost\winlogson.exe --config msi.bin --log off
                                  3⤵
                                    PID:4204
                                    • C:\Windows\SysWOW64\chcp.com
                                      chcp 1251
                                      4⤵
                                        PID:4580

                                Network

                                MITRE ATT&CK Enterprise v6

                                Replay Monitor

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                                Downloads

                                • C:\ProgramData\Dllhost\dllhost.exe

                                  Filesize

                                  934KB

                                  MD5

                                  f5120ee51dbd2a56390cf1e1953dfbe0

                                  SHA1

                                  08bc3a3f8680d5c9635e916adb8a11d0411254a6

                                  SHA256

                                  3ebf03a8650122486a85da6af248e1ab05b634eb842c0b0250fa744e788c9dd0

                                  SHA512

                                  bdff13040759ca2e8b067247e0ad4705642ea7a823b91170762606a37f8f6fdeb35041744579ae52be96db8fdc23fd561c08dd43b80a3238e0a8294136ecba48

                                • C:\ProgramData\Dllhost\dllhost.exe

                                  Filesize

                                  934KB

                                  MD5

                                  f5120ee51dbd2a56390cf1e1953dfbe0

                                  SHA1

                                  08bc3a3f8680d5c9635e916adb8a11d0411254a6

                                  SHA256

                                  3ebf03a8650122486a85da6af248e1ab05b634eb842c0b0250fa744e788c9dd0

                                  SHA512

                                  bdff13040759ca2e8b067247e0ad4705642ea7a823b91170762606a37f8f6fdeb35041744579ae52be96db8fdc23fd561c08dd43b80a3238e0a8294136ecba48

                                • 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

                                  a79c1f862d7901bf9cec1ef2db2654b1

                                  SHA1

                                  a30680fc2a3af19216d295880f2742c9c5efc93f

                                  SHA256

                                  ea19d7629201758cdb1df5ea2fd9265fcccec8089473bf7854bba89ca7b56e3c

                                  SHA512

                                  f1d9558bdb4796b2c8bcf1070ea6f37947905ea7da1707f4c3914ebc10c2da5d8e27a27eaa734436cf3660c93353f0d480567b0540f61f678fba407630aa7e2d

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

                                  Filesize

                                  18KB

                                  MD5

                                  b1a6df691c6ece60c4c82006d927a4fa

                                  SHA1

                                  b1a798150c2de091c02a76ff0e6bc56bc67b5ba6

                                  SHA256

                                  619efd4158690e61e78db2de744bbb4e9669df906859d549075bb57528a7ade4

                                  SHA512

                                  168e1bceec6452dc599470ded8f03dad8eb09316bc53dc173e5472dd0ac53c97f695d9f81ce7a2db3b8eeadade710ce695170b1cf3376899cdef0ecd0abc60ff

                                • memory/644-136-0x00000000057E0000-0x0000000005846000-memory.dmp

                                  Filesize

                                  408KB

                                • memory/644-135-0x00000000056F0000-0x00000000056FA000-memory.dmp

                                  Filesize

                                  40KB

                                • memory/644-134-0x0000000005530000-0x00000000055C2000-memory.dmp

                                  Filesize

                                  584KB

                                • memory/644-133-0x0000000005BA0000-0x0000000006144000-memory.dmp

                                  Filesize

                                  5.6MB

                                • memory/644-132-0x0000000000AF0000-0x0000000000B98000-memory.dmp

                                  Filesize

                                  672KB

                                • memory/1832-165-0x0000000000BE0000-0x0000000000C90000-memory.dmp

                                  Filesize

                                  704KB

                                • memory/2512-161-0x0000000070940000-0x000000007098C000-memory.dmp

                                  Filesize

                                  304KB

                                • memory/2672-158-0x0000000070940000-0x000000007098C000-memory.dmp

                                  Filesize

                                  304KB

                                • memory/4612-152-0x0000000007600000-0x000000000760E000-memory.dmp

                                  Filesize

                                  56KB

                                • memory/4612-146-0x0000000070940000-0x000000007098C000-memory.dmp

                                  Filesize

                                  304KB

                                • memory/4612-151-0x0000000007660000-0x00000000076F6000-memory.dmp

                                  Filesize

                                  600KB

                                • memory/4612-150-0x0000000007430000-0x000000000743A000-memory.dmp

                                  Filesize

                                  40KB

                                • memory/4612-144-0x00000000060B0000-0x00000000060CE000-memory.dmp

                                  Filesize

                                  120KB

                                • memory/4612-145-0x0000000006670000-0x00000000066A2000-memory.dmp

                                  Filesize

                                  200KB

                                • memory/4612-148-0x0000000007A40000-0x00000000080BA000-memory.dmp

                                  Filesize

                                  6.5MB

                                • memory/4612-154-0x0000000007640000-0x0000000007648000-memory.dmp

                                  Filesize

                                  32KB

                                • memory/4612-149-0x00000000073E0000-0x00000000073FA000-memory.dmp

                                  Filesize

                                  104KB

                                • memory/4612-143-0x0000000005940000-0x00000000059A6000-memory.dmp

                                  Filesize

                                  408KB

                                • memory/4612-147-0x0000000006640000-0x000000000665E000-memory.dmp

                                  Filesize

                                  120KB

                                • memory/4612-153-0x0000000007700000-0x000000000771A000-memory.dmp

                                  Filesize

                                  104KB

                                • memory/4612-142-0x00000000051E0000-0x0000000005202000-memory.dmp

                                  Filesize

                                  136KB

                                • memory/4612-141-0x0000000005290000-0x00000000058B8000-memory.dmp

                                  Filesize

                                  6.2MB

                                • memory/4612-140-0x0000000002AD0000-0x0000000002B06000-memory.dmp

                                  Filesize

                                  216KB