Analysis

  • max time kernel
    156s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/10/2022, 07:15

General

  • Target

    0142aa81a22b7eeef19817ccabb6763c9fa9c8ffb20f0eaa1b01c561c45f5c6f.exe

  • Size

    730KB

  • MD5

    5aa3cd5c223ef9778ec940ed561fbe0e

  • SHA1

    da6e6b439b88363270843bea893a799afe48def6

  • SHA256

    0142aa81a22b7eeef19817ccabb6763c9fa9c8ffb20f0eaa1b01c561c45f5c6f

  • SHA512

    ebaf5d45dc9c741aa5bbc3aeb2b4d3271c96eae24ab2e12d4f0ced53278bb0d3d4bf6424abe522e337b934e68376bf92e5f6ec9e8a6e04c0891755f572bc1871

  • 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 3 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0142aa81a22b7eeef19817ccabb6763c9fa9c8ffb20f0eaa1b01c561c45f5c6f.exe
    "C:\Users\Admin\AppData\Local\Temp\0142aa81a22b7eeef19817ccabb6763c9fa9c8ffb20f0eaa1b01c561c45f5c6f.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2128
    • C:\Windows\SysWOW64\cmd.exe
      "cmd.exe" /C chcp 1251 & powershell -Command Add-MpPreference -ExclusionPath "$ENV:USERPROFILE\Desktop" & powershell -Command Add-MpPreference -ExclusionPath "C:\ProgramData\Dllhost" & powershell -Command Add-MpPreference -ExclusionPath "C:\ProgramData\HostData"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1372
      • C:\Windows\SysWOW64\chcp.com
        chcp 1251
        3⤵
          PID:2336
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          powershell -Command Add-MpPreference -ExclusionPath "$ENV:USERPROFILE\Desktop"
          3⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:4824
      • 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:3000
        • C:\Windows\SysWOW64\cmd.exe
          "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "SecurityHealthSystray" /TR "C:\ProgramData\Dllhost\dllhost.exe"
          3⤵
            PID:2952
          • 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:4248
            • C:\Windows\SysWOW64\schtasks.exe
              SCHTASKS /CREATE /SC HOURLY /TN "WindowsDefender" /TR "C:\ProgramData\Dllhost\dllhost.exe"
              4⤵
              • Creates scheduled task(s)
              PID:3884
          • 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:4584
            • C:\Windows\SysWOW64\schtasks.exe
              SCHTASKS /CREATE /SC HOURLY /TN "AntiMalwareServiceExecutable" /TR "C:\ProgramData\Dllhost\dllhost.exe"
              4⤵
              • Creates scheduled task(s)
              PID:4320
          • C:\Windows\SysWOW64\cmd.exe
            "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "dllhost" /TR "C:\ProgramData\Dllhost\dllhost.exe"
            3⤵
            • Suspicious use of WriteProcessMemory
            PID:4028
            • C:\Windows\SysWOW64\schtasks.exe
              SCHTASKS /CREATE /SC HOURLY /TN "dllhost" /TR "C:\ProgramData\Dllhost\dllhost.exe"
              4⤵
              • Creates scheduled task(s)
              PID:3120
          • 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:340
            • C:\Windows\SysWOW64\schtasks.exe
              SCHTASKS /CREATE /SC HOURLY /TN "MicrosoftEdgeUpd" /TR "C:\ProgramData\Dllhost\dllhost.exe"
              4⤵
              • Creates scheduled task(s)
              PID:836
          • 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:2372
            • C:\Windows\SysWOW64\schtasks.exe
              SCHTASKS /CREATE /SC HOURLY /TN "WmiPrvSE" /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 "OneDriveService" /TR "C:\ProgramData\Dllhost\dllhost.exe"
            3⤵
              PID:4808
              • C:\Windows\SysWOW64\schtasks.exe
                SCHTASKS /CREATE /SC HOURLY /TN "OneDriveService" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                4⤵
                • Creates scheduled task(s)
                PID:4520
            • C:\Windows\SysWOW64\cmd.exe
              "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "NvStray" /TR "C:\ProgramData\Dllhost\dllhost.exe"
              3⤵
              • Suspicious use of WriteProcessMemory
              PID:3760
              • C:\Windows\SysWOW64\schtasks.exe
                SCHTASKS /CREATE /SC HOURLY /TN "NvStray" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                4⤵
                • Creates scheduled task(s)
                PID:1832
            • C:\Windows\SysWOW64\cmd.exe
              "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "WindowsDefenderServices\WindowsDefenderServicesService_bk6371" /TR "C:\ProgramData\Dllhost\dllhost.exe"
              3⤵
                PID:3648
                • C:\Windows\SysWOW64\schtasks.exe
                  SCHTASKS /CREATE /SC HOURLY /TN "WindowsDefenderServices\WindowsDefenderServicesService_bk6371" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                  4⤵
                  • Creates scheduled task(s)
                  PID:1776
              • C:\Windows\SysWOW64\cmd.exe
                "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "AntiMalwareSericeExecutable\AntiMalwareSericeExecutableService_bk9768" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                3⤵
                  PID:5016
                  • C:\Windows\SysWOW64\schtasks.exe
                    SCHTASKS /CREATE /SC HOURLY /TN "AntiMalwareSericeExecutable\AntiMalwareSericeExecutableService_bk9768" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                    4⤵
                    • Creates scheduled task(s)
                    PID:3816
                • C:\Windows\SysWOW64\cmd.exe
                  "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "MicrosoftUpdateServices\MicrosoftUpdateServicesService_bk5020" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                  3⤵
                    PID:384
                    • C:\Windows\SysWOW64\schtasks.exe
                      SCHTASKS /CREATE /SC HOURLY /TN "MicrosoftUpdateServices\MicrosoftUpdateServicesService_bk5020" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                      4⤵
                      • Creates scheduled task(s)
                      PID:4692
                  • C:\Windows\SysWOW64\cmd.exe
                    "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "SettingSysHost\SettingSysHostService_bk3474" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                    3⤵
                      PID:4564
                      • C:\Windows\SysWOW64\schtasks.exe
                        SCHTASKS /CREATE /SC HOURLY /TN "SettingSysHost\SettingSysHostService_bk3474" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                        4⤵
                        • Creates scheduled task(s)
                        PID:1856
                    • C:\Windows\SysWOW64\cmd.exe
                      "cmd.exe" /c chcp 1251 & C:\ProgramData\Dllhost\winlogson.exe --config msi.bin --log off
                      3⤵
                        PID:4860
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 1251
                          4⤵
                            PID:3920
                        • C:\Windows\SysWOW64\cmd.exe
                          "cmd.exe" /c chcp 1251 & C:\ProgramData\Dllhost\winlogson.exe --config msi.bin --log off
                          3⤵
                            PID:2804
                            • C:\Windows\SysWOW64\chcp.com
                              chcp 1251
                              4⤵
                                PID:1128

                        Network

                        MITRE ATT&CK Enterprise v6

                        Replay Monitor

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                        Downloads

                        • C:\ProgramData\Dllhost\dllhost.exe

                          Filesize

                          947KB

                          MD5

                          1b64197b49f4c6f296006544534a44f2

                          SHA1

                          3f2c0c303b9fad03da3233d7b6415226638fb266

                          SHA256

                          c704292fe913e54afc9243811e3082a5e5d3506e71909cb7d424f18bf92a2ded

                          SHA512

                          d01133c231c4239e5da2112686245bb86cc5ff03cc2513011c4d4a947855714f91c9834d218892b1c6bba11cbe3288594ed60b625b4b9170c939cbb4ff3c7174

                        • C:\ProgramData\Dllhost\dllhost.exe

                          Filesize

                          947KB

                          MD5

                          1b64197b49f4c6f296006544534a44f2

                          SHA1

                          3f2c0c303b9fad03da3233d7b6415226638fb266

                          SHA256

                          c704292fe913e54afc9243811e3082a5e5d3506e71909cb7d424f18bf92a2ded

                          SHA512

                          d01133c231c4239e5da2112686245bb86cc5ff03cc2513011c4d4a947855714f91c9834d218892b1c6bba11cbe3288594ed60b625b4b9170c939cbb4ff3c7174

                        • C:\ProgramData\HostData\logs.uce

                          Filesize

                          497B

                          MD5

                          13fda2ab01b83a5130842a5bab3892d3

                          SHA1

                          6e18e4b467cde054a63a95d4dfc030f156ecd215

                          SHA256

                          76973d42c8fceceab7ec85b3d01b218db92564993e93a9bea31c52aa73aeee9e

                          SHA512

                          c51f9fd6e452fbeeedd4dfaba3c7c887e337f01e68abdd27d4032f8be85def7ef3cf0c77bf60e425b085b76c0539464c6b6e5e805a69397c5519e8ccf9fffccc

                        • memory/2128-133-0x0000000005390000-0x0000000005934000-memory.dmp

                          Filesize

                          5.6MB

                        • memory/2128-132-0x00000000003E0000-0x0000000000488000-memory.dmp

                          Filesize

                          672KB

                        • memory/2128-136-0x00000000050C0000-0x0000000005126000-memory.dmp

                          Filesize

                          408KB

                        • memory/2128-135-0x0000000004E50000-0x0000000004E5A000-memory.dmp

                          Filesize

                          40KB

                        • memory/2128-134-0x0000000004E80000-0x0000000004F12000-memory.dmp

                          Filesize

                          584KB

                        • memory/3000-151-0x0000000000D70000-0x0000000000E20000-memory.dmp

                          Filesize

                          704KB

                        • memory/4824-144-0x0000000005AF0000-0x0000000005B0E000-memory.dmp

                          Filesize

                          120KB

                        • memory/4824-181-0x0000000007140000-0x000000000715A000-memory.dmp

                          Filesize

                          104KB

                        • memory/4824-147-0x0000000006090000-0x00000000060AE000-memory.dmp

                          Filesize

                          120KB

                        • memory/4824-172-0x0000000006E80000-0x0000000006E8A000-memory.dmp

                          Filesize

                          40KB

                        • memory/4824-146-0x00000000703D0000-0x000000007041C000-memory.dmp

                          Filesize

                          304KB

                        • memory/4824-145-0x0000000006CC0000-0x0000000006CF2000-memory.dmp

                          Filesize

                          200KB

                        • memory/4824-165-0x0000000006E10000-0x0000000006E2A000-memory.dmp

                          Filesize

                          104KB

                        • memory/4824-164-0x0000000007490000-0x0000000007B0A000-memory.dmp

                          Filesize

                          6.5MB

                        • memory/4824-143-0x0000000005340000-0x00000000053A6000-memory.dmp

                          Filesize

                          408KB

                        • memory/4824-142-0x0000000004C50000-0x0000000004C72000-memory.dmp

                          Filesize

                          136KB

                        • memory/4824-179-0x00000000070A0000-0x0000000007136000-memory.dmp

                          Filesize

                          600KB

                        • memory/4824-180-0x0000000007040000-0x000000000704E000-memory.dmp

                          Filesize

                          56KB

                        • memory/4824-140-0x0000000002540000-0x0000000002576000-memory.dmp

                          Filesize

                          216KB

                        • memory/4824-182-0x0000000007080000-0x0000000007088000-memory.dmp

                          Filesize

                          32KB

                        • memory/4824-141-0x0000000004CA0000-0x00000000052C8000-memory.dmp

                          Filesize

                          6.2MB