Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/10/2022, 19:17

General

  • Target

    828b55f2c10a7b26c40cfbebdc2672ff19c6a0614659de5e3f6d1985da032613.exe

  • Size

    732KB

  • MD5

    7c4dd87c4e70949a6055acf9775c69a4

  • SHA1

    587a9295c2f6865c5af5d02246a8e1a338cbe923

  • SHA256

    828b55f2c10a7b26c40cfbebdc2672ff19c6a0614659de5e3f6d1985da032613

  • SHA512

    a6c27377fd9449ed3a3906eae101dc4c6fd4b05c440756c118f7e11e4ac03e0fe2b07d945ca4516a49af53f5510cc393d5966bcc8c0409c122b857d08077f251

  • 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\828b55f2c10a7b26c40cfbebdc2672ff19c6a0614659de5e3f6d1985da032613.exe
    "C:\Users\Admin\AppData\Local\Temp\828b55f2c10a7b26c40cfbebdc2672ff19c6a0614659de5e3f6d1985da032613.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:5104
    • C:\Windows\SysWOW64\cmd.exe
      "cmd.exe" /C chcp 1251 & powershell -Command Add-MpPreference -ExclusionPath "$ENV:USERPROFILE\Desktop" & powershell -Command Add-MpPreference -ExclusionPath "C:\ProgramData\Dllhost" & powershell -Command Add-MpPreference -ExclusionPath "C:\ProgramData\HostData"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:384
      • C:\Windows\SysWOW64\chcp.com
        chcp 1251
        3⤵
          PID:548
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          powershell -Command Add-MpPreference -ExclusionPath "$ENV:USERPROFILE\Desktop"
          3⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2572
        • 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:1012
        • 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:5064
      • 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:1864
        • 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:3132
          • C:\Windows\SysWOW64\schtasks.exe
            SCHTASKS /CREATE /SC HOURLY /TN "SecurityHealthSystray" /TR "C:\ProgramData\Dllhost\dllhost.exe"
            4⤵
            • Creates scheduled task(s)
            PID:4852
        • 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:4132
          • C:\Windows\SysWOW64\schtasks.exe
            SCHTASKS /CREATE /SC HOURLY /TN "WindowsDefender" /TR "C:\ProgramData\Dllhost\dllhost.exe"
            4⤵
            • Creates scheduled task(s)
            PID:2152
        • 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:4124
          • C:\Windows\SysWOW64\schtasks.exe
            SCHTASKS /CREATE /SC HOURLY /TN "WmiPrvSE" /TR "C:\ProgramData\Dllhost\dllhost.exe"
            4⤵
            • Creates scheduled task(s)
            PID:4200
        • C:\Windows\SysWOW64\cmd.exe
          "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "dllhost" /TR "C:\ProgramData\Dllhost\dllhost.exe"
          3⤵
            PID:948
            • C:\Windows\SysWOW64\schtasks.exe
              SCHTASKS /CREATE /SC HOURLY /TN "dllhost" /TR "C:\ProgramData\Dllhost\dllhost.exe"
              4⤵
              • Creates scheduled task(s)
              PID:1116
          • 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:4548
            • C:\Windows\SysWOW64\schtasks.exe
              SCHTASKS /CREATE /SC HOURLY /TN "AntiMalwareServiceExecutable" /TR "C:\ProgramData\Dllhost\dllhost.exe"
              4⤵
              • Creates scheduled task(s)
              PID:3224
          • C:\Windows\SysWOW64\cmd.exe
            "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "MicrosoftEdgeUpd" /TR "C:\ProgramData\Dllhost\dllhost.exe"
            3⤵
              PID:1124
              • C:\Windows\SysWOW64\schtasks.exe
                SCHTASKS /CREATE /SC HOURLY /TN "MicrosoftEdgeUpd" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                4⤵
                • Creates scheduled task(s)
                PID:1120
            • C:\Windows\SysWOW64\cmd.exe
              "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "WindowsDefenderServices\WindowsDefenderServicesService_bk427" /TR "C:\ProgramData\Dllhost\dllhost.exe"
              3⤵
                PID:5048
                • C:\Windows\SysWOW64\schtasks.exe
                  SCHTASKS /CREATE /SC HOURLY /TN "WindowsDefenderServices\WindowsDefenderServicesService_bk427" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                  4⤵
                  • Creates scheduled task(s)
                  PID:4840
              • C:\Windows\SysWOW64\cmd.exe
                "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "AntiMalwareSericeExecutable\AntiMalwareSericeExecutableService_bk9853" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                3⤵
                  PID:1696
                  • C:\Windows\SysWOW64\schtasks.exe
                    SCHTASKS /CREATE /SC HOURLY /TN "AntiMalwareSericeExecutable\AntiMalwareSericeExecutableService_bk9853" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                    4⤵
                    • Creates scheduled task(s)
                    PID:1944
                • C:\Windows\SysWOW64\cmd.exe
                  "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "MicrosoftUpdateServices\MicrosoftUpdateServicesService_bk8452" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                  3⤵
                    PID:1840
                  • C:\Windows\SysWOW64\cmd.exe
                    "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "SettingSysHost\SettingSysHostService_bk5930" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                    3⤵
                      PID:4068
                      • C:\Windows\SysWOW64\schtasks.exe
                        SCHTASKS /CREATE /SC HOURLY /TN "SettingSysHost\SettingSysHostService_bk5930" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                        4⤵
                        • Creates scheduled task(s)
                        PID:548
                    • C:\Windows\SysWOW64\cmd.exe
                      "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "NvStray" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                      3⤵
                        PID:1644
                        • C:\Windows\SysWOW64\schtasks.exe
                          SCHTASKS /CREATE /SC HOURLY /TN "NvStray" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                          4⤵
                          • Creates scheduled task(s)
                          PID:856
                      • C:\Windows\SysWOW64\cmd.exe
                        "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "OneDriveService" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                        3⤵
                          PID:3744
                          • C:\Windows\SysWOW64\schtasks.exe
                            SCHTASKS /CREATE /SC HOURLY /TN "OneDriveService" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                            4⤵
                            • Creates scheduled task(s)
                            PID:1576
                        • C:\Windows\SysWOW64\cmd.exe
                          "cmd.exe" /c chcp 1251 & C:\ProgramData\Dllhost\winlogson.exe --config msi.bin --log off
                          3⤵
                            PID:100
                            • C:\Windows\SysWOW64\chcp.com
                              chcp 1251
                              4⤵
                                PID:1244
                            • C:\Windows\SysWOW64\cmd.exe
                              "cmd.exe" /c chcp 1251 & C:\ProgramData\Dllhost\winlogson.exe --config msi.bin --log off
                              3⤵
                                PID:812
                                • C:\Windows\SysWOW64\chcp.com
                                  chcp 1251
                                  4⤵
                                    PID:3964
                                • C:\Windows\SysWOW64\cmd.exe
                                  "cmd.exe" /c chcp 1251 & C:\ProgramData\Dllhost\winlogson.exe --config msi.bin --log off
                                  3⤵
                                    PID:1060
                                    • C:\Windows\SysWOW64\chcp.com
                                      chcp 1251
                                      4⤵
                                        PID:1292

                                Network

                                      MITRE ATT&CK Enterprise v6

                                      Replay Monitor

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                                      Downloads

                                      • C:\ProgramData\Dllhost\dllhost.exe

                                        Filesize

                                        957KB

                                        MD5

                                        f0e7f0c056efdca6c63f9f6fc4d110a3

                                        SHA1

                                        42a44c23b8b43204f3536e1eece6aaec920b57d9

                                        SHA256

                                        fe9331526be746e97676102bf2040989c983cee62d49862e5a0254e65c38f214

                                        SHA512

                                        fd46ea06e24f243607375ed6d0a324af8f792847a9d0f9cd99ac86150153a523c292f21c5df9797f9463d8e3d0b68adc326075d5ddca901435227c328a3b9296

                                      • C:\ProgramData\Dllhost\dllhost.exe

                                        Filesize

                                        957KB

                                        MD5

                                        f0e7f0c056efdca6c63f9f6fc4d110a3

                                        SHA1

                                        42a44c23b8b43204f3536e1eece6aaec920b57d9

                                        SHA256

                                        fe9331526be746e97676102bf2040989c983cee62d49862e5a0254e65c38f214

                                        SHA512

                                        fd46ea06e24f243607375ed6d0a324af8f792847a9d0f9cd99ac86150153a523c292f21c5df9797f9463d8e3d0b68adc326075d5ddca901435227c328a3b9296

                                      • 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

                                        0d8a8cdabcf60a458d93740b433f6d53

                                        SHA1

                                        d90243a0c84bbd8f3cf4509b0d7cafc60646b423

                                        SHA256

                                        fd323bc39541daeb9645eb3ae90412b1bb5e1506c780e3b17cf7b86123d21cbd

                                        SHA512

                                        de16ca233f920dacd1150c988c324318ec55494c46b8e7576d8159539673e24a84fbb5b2cd2c8603b9c9f788f44d71c80a52290e5ab5d62026ad04ffea9060af

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

                                        Filesize

                                        18KB

                                        MD5

                                        e12d8afe9597dfc3b73150e4fe9165ec

                                        SHA1

                                        31b899b71da9c2e640c5f4eeb37994ccccd59a37

                                        SHA256

                                        0d3c4c5075ed489d7f7f4e425108698edac0be228aa7a426040154dd7abd22d8

                                        SHA512

                                        18f3545062581b5882c3cd3443b4fb99a649e96fe54ee1c2db7847958cf77e5f68f3686166f2058d06158723023b4c61487dea4a6135f308f1f2c0697006ba40

                                      • memory/1012-158-0x00000000707A0000-0x00000000707EC000-memory.dmp

                                        Filesize

                                        304KB

                                      • memory/1864-165-0x00000000005B0000-0x0000000000660000-memory.dmp

                                        Filesize

                                        704KB

                                      • memory/2572-152-0x0000000007040000-0x000000000704E000-memory.dmp

                                        Filesize

                                        56KB

                                      • memory/2572-150-0x0000000006E80000-0x0000000006E8A000-memory.dmp

                                        Filesize

                                        40KB

                                      • memory/2572-153-0x0000000007090000-0x00000000070AA000-memory.dmp

                                        Filesize

                                        104KB

                                      • memory/2572-141-0x0000000004D10000-0x0000000005338000-memory.dmp

                                        Filesize

                                        6.2MB

                                      • memory/2572-151-0x00000000070B0000-0x0000000007146000-memory.dmp

                                        Filesize

                                        600KB

                                      • memory/2572-143-0x0000000004BC0000-0x0000000004C26000-memory.dmp

                                        Filesize

                                        408KB

                                      • memory/2572-154-0x0000000007080000-0x0000000007088000-memory.dmp

                                        Filesize

                                        32KB

                                      • memory/2572-142-0x0000000004B20000-0x0000000004B42000-memory.dmp

                                        Filesize

                                        136KB

                                      • memory/2572-144-0x00000000059F0000-0x0000000005A0E000-memory.dmp

                                        Filesize

                                        120KB

                                      • memory/2572-149-0x0000000006E20000-0x0000000006E3A000-memory.dmp

                                        Filesize

                                        104KB

                                      • memory/2572-148-0x0000000007480000-0x0000000007AFA000-memory.dmp

                                        Filesize

                                        6.5MB

                                      • memory/2572-140-0x0000000002520000-0x0000000002556000-memory.dmp

                                        Filesize

                                        216KB

                                      • memory/2572-147-0x00000000060A0000-0x00000000060BE000-memory.dmp

                                        Filesize

                                        120KB

                                      • memory/2572-145-0x0000000006CD0000-0x0000000006D02000-memory.dmp

                                        Filesize

                                        200KB

                                      • memory/2572-146-0x00000000707A0000-0x00000000707EC000-memory.dmp

                                        Filesize

                                        304KB

                                      • memory/5064-161-0x00000000707A0000-0x00000000707EC000-memory.dmp

                                        Filesize

                                        304KB

                                      • memory/5104-132-0x0000000000E20000-0x0000000000EC8000-memory.dmp

                                        Filesize

                                        672KB

                                      • memory/5104-136-0x0000000005AC0000-0x0000000005B26000-memory.dmp

                                        Filesize

                                        408KB

                                      • memory/5104-135-0x0000000005880000-0x000000000588A000-memory.dmp

                                        Filesize

                                        40KB

                                      • memory/5104-134-0x0000000005890000-0x0000000005922000-memory.dmp

                                        Filesize

                                        584KB

                                      • memory/5104-133-0x0000000005DA0000-0x0000000006344000-memory.dmp

                                        Filesize

                                        5.6MB