Analysis

  • max time kernel
    156s
  • max time network
    161s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/10/2022, 17:33

General

  • Target

    c968b7324fadc7b4e3fadee5417d9e94010f7dd37778e119ce7a83632e6fb394.exe

  • Size

    730KB

  • MD5

    d99bcf55dca97375fe752e8adcc787fe

  • SHA1

    5a660a63ff86a5a090ccc71abed7abdc8d92d346

  • SHA256

    c968b7324fadc7b4e3fadee5417d9e94010f7dd37778e119ce7a83632e6fb394

  • SHA512

    a2d85d7364f505b66dc7557f54b16ce8fd9a002e83aff0eb3a3f93e831102a70d3910ff928aa70eeba113446f75e2731e95ec8dacb30dde5313d2141160f5992

  • 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 9 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\c968b7324fadc7b4e3fadee5417d9e94010f7dd37778e119ce7a83632e6fb394.exe
    "C:\Users\Admin\AppData\Local\Temp\c968b7324fadc7b4e3fadee5417d9e94010f7dd37778e119ce7a83632e6fb394.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4860
    • C:\Windows\SysWOW64\cmd.exe
      "cmd.exe" /C chcp 1251 & powershell -Command Add-MpPreference -ExclusionPath "$ENV:USERPROFILE\Desktop" & powershell -Command Add-MpPreference -ExclusionPath "C:\ProgramData\Dllhost" & powershell -Command Add-MpPreference -ExclusionPath "C:\ProgramData\HostData"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2064
      • C:\Windows\SysWOW64\chcp.com
        chcp 1251
        3⤵
          PID:2400
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          powershell -Command Add-MpPreference -ExclusionPath "$ENV:USERPROFILE\Desktop"
          3⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:308
        • 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:3952
        • 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:1832
      • 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:4832
        • 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:4200
          • C:\Windows\SysWOW64\schtasks.exe
            SCHTASKS /CREATE /SC HOURLY /TN "SecurityHealthSystray" /TR "C:\ProgramData\Dllhost\dllhost.exe"
            4⤵
            • Creates scheduled task(s)
            PID:3088
        • 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:3796
          • C:\Windows\SysWOW64\schtasks.exe
            SCHTASKS /CREATE /SC HOURLY /TN "WindowsDefender" /TR "C:\ProgramData\Dllhost\dllhost.exe"
            4⤵
            • Creates scheduled task(s)
            PID:1884
        • 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:3400
          • C:\Windows\SysWOW64\schtasks.exe
            SCHTASKS /CREATE /SC HOURLY /TN "WmiPrvSE" /TR "C:\ProgramData\Dllhost\dllhost.exe"
            4⤵
            • Creates scheduled task(s)
            PID:3724
        • C:\Windows\SysWOW64\cmd.exe
          "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "AntiMalwareServiceExecutable" /TR "C:\ProgramData\Dllhost\dllhost.exe"
          3⤵
            PID:3896
          • 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:3828
            • C:\Windows\SysWOW64\schtasks.exe
              SCHTASKS /CREATE /SC HOURLY /TN "MicrosoftEdgeUpd" /TR "C:\ProgramData\Dllhost\dllhost.exe"
              4⤵
              • Creates scheduled task(s)
              PID:4512
          • C:\Windows\SysWOW64\cmd.exe
            "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "dllhost" /TR "C:\ProgramData\Dllhost\dllhost.exe"
            3⤵
              PID:1504
              • C:\Windows\SysWOW64\schtasks.exe
                SCHTASKS /CREATE /SC HOURLY /TN "dllhost" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                4⤵
                • Creates scheduled task(s)
                PID:3664
            • C:\Windows\SysWOW64\cmd.exe
              "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "OneDriveService" /TR "C:\ProgramData\Dllhost\dllhost.exe"
              3⤵
                PID:2000
                • C:\Windows\SysWOW64\schtasks.exe
                  SCHTASKS /CREATE /SC HOURLY /TN "OneDriveService" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                  4⤵
                  • Creates scheduled task(s)
                  PID:2512
              • C:\Windows\SysWOW64\cmd.exe
                "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "NvStray" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                3⤵
                  PID:5020
                • C:\Windows\SysWOW64\cmd.exe
                  "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "WindowsDefenderServices\WindowsDefenderServicesService_bk4813" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                  3⤵
                    PID:4152
                    • C:\Windows\SysWOW64\schtasks.exe
                      SCHTASKS /CREATE /SC HOURLY /TN "WindowsDefenderServices\WindowsDefenderServicesService_bk4813" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                      4⤵
                      • Creates scheduled task(s)
                      PID:4632
                  • C:\Windows\SysWOW64\cmd.exe
                    "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "AntiMalwareSericeExecutable\AntiMalwareSericeExecutableService_bk4593" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                    3⤵
                      PID:2108
                    • C:\Windows\SysWOW64\cmd.exe
                      "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "MicrosoftUpdateServices\MicrosoftUpdateServicesService_bk8096" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                      3⤵
                        PID:1456
                        • C:\Windows\SysWOW64\schtasks.exe
                          SCHTASKS /CREATE /SC HOURLY /TN "MicrosoftUpdateServices\MicrosoftUpdateServicesService_bk8096" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                          4⤵
                          • Creates scheduled task(s)
                          PID:532
                      • C:\Windows\SysWOW64\cmd.exe
                        "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "SettingSysHost\SettingSysHostService_bk3922" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                        3⤵
                          PID:4320
                          • C:\Windows\SysWOW64\schtasks.exe
                            SCHTASKS /CREATE /SC HOURLY /TN "SettingSysHost\SettingSysHostService_bk3922" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                            4⤵
                            • Creates scheduled task(s)
                            PID:3600
                        • C:\Windows\SysWOW64\cmd.exe
                          "cmd.exe" /c chcp 1251 & C:\ProgramData\Dllhost\winlogson.exe --config msi.bin --log off
                          3⤵
                            PID:4308
                            • C:\Windows\SysWOW64\chcp.com
                              chcp 1251
                              4⤵
                                PID:984
                            • C:\Windows\SysWOW64\cmd.exe
                              "cmd.exe" /c chcp 1251 & C:\ProgramData\Dllhost\winlogson.exe --config msi.bin --log off
                              3⤵
                                PID:2548
                                • C:\Windows\SysWOW64\chcp.com
                                  chcp 1251
                                  4⤵
                                    PID:3932
                                • C:\Windows\SysWOW64\cmd.exe
                                  "cmd.exe" /c chcp 1251 & C:\ProgramData\Dllhost\winlogson.exe --config msi.bin --log off
                                  3⤵
                                    PID:1568
                                    • C:\Windows\SysWOW64\chcp.com
                                      chcp 1251
                                      4⤵
                                        PID:5040

                                Network

                                      MITRE ATT&CK Enterprise v6

                                      Replay Monitor

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                                      Downloads

                                      • C:\ProgramData\Dllhost\dllhost.exe

                                        Filesize

                                        946KB

                                        MD5

                                        457ec9b8ca70015cad5382ed26b34899

                                        SHA1

                                        000abc683967b6c266cedc0f015f66b33c407b5d

                                        SHA256

                                        c2fb5e0e0a45f923c9321d1688b71b7bbba34f026bad4614b5a44030f9e2b6f8

                                        SHA512

                                        4e05f297312abe3bc9e1a626d0472d513fd6381a22c1c1edc28fa20437af36e04c395f76de88f59a3d7b3d5f290a4c5002d27b60bd49f713a4e3f0b191373157

                                      • C:\ProgramData\Dllhost\dllhost.exe

                                        Filesize

                                        946KB

                                        MD5

                                        457ec9b8ca70015cad5382ed26b34899

                                        SHA1

                                        000abc683967b6c266cedc0f015f66b33c407b5d

                                        SHA256

                                        c2fb5e0e0a45f923c9321d1688b71b7bbba34f026bad4614b5a44030f9e2b6f8

                                        SHA512

                                        4e05f297312abe3bc9e1a626d0472d513fd6381a22c1c1edc28fa20437af36e04c395f76de88f59a3d7b3d5f290a4c5002d27b60bd49f713a4e3f0b191373157

                                      • 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

                                        be97c93e8eff04cb16bb5d8f0ed52071

                                        SHA1

                                        6cc7317b6713443fbfdfcc08f9794b958aea9c82

                                        SHA256

                                        3d3c9dc5dc13c625824d7460efad3ed47a7050defb4468a4835d0948f199bc2d

                                        SHA512

                                        f0ec890ce484d8b4fdfe8b1d7db3b97c4ab9f5c40cfe886c2a3b5a8b6a3b609bded0592db60dd84a4b27d4436b13f94c1aec2df2cb8abf9a6d92cce4a2e9deba

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

                                        Filesize

                                        18KB

                                        MD5

                                        76b86c4b4fa069dc8fb11743ed17ff30

                                        SHA1

                                        4a5c4861084726dd734299cbc9c4a223fa99b3e3

                                        SHA256

                                        28ec6584fb0fbf0088216d5a3870d1d9da4b09281f8f4c2aca6672d2554c0568

                                        SHA512

                                        cf9f4b594625e153b2173585b92b375b9b5f19a2004410be2cb527e4c549f7cc11080f647c50b1310412b22041d327526b6cde832021d1cfb0ca51ace23970d8

                                      • memory/308-147-0x00000000063D0000-0x00000000063EE000-memory.dmp

                                        Filesize

                                        120KB

                                      • memory/308-154-0x00000000073D0000-0x00000000073D8000-memory.dmp

                                        Filesize

                                        32KB

                                      • memory/308-140-0x00000000027C0000-0x00000000027F6000-memory.dmp

                                        Filesize

                                        216KB

                                      • memory/308-141-0x0000000004F30000-0x0000000005558000-memory.dmp

                                        Filesize

                                        6.2MB

                                      • memory/308-142-0x0000000004DE0000-0x0000000004E02000-memory.dmp

                                        Filesize

                                        136KB

                                      • memory/308-143-0x0000000004E80000-0x0000000004EE6000-memory.dmp

                                        Filesize

                                        408KB

                                      • memory/308-144-0x0000000005E30000-0x0000000005E4E000-memory.dmp

                                        Filesize

                                        120KB

                                      • memory/308-145-0x0000000006410000-0x0000000006442000-memory.dmp

                                        Filesize

                                        200KB

                                      • memory/308-146-0x0000000070A90000-0x0000000070ADC000-memory.dmp

                                        Filesize

                                        304KB

                                      • memory/308-148-0x00000000077C0000-0x0000000007E3A000-memory.dmp

                                        Filesize

                                        6.5MB

                                      • memory/308-149-0x0000000007160000-0x000000000717A000-memory.dmp

                                        Filesize

                                        104KB

                                      • memory/308-150-0x00000000071B0000-0x00000000071BA000-memory.dmp

                                        Filesize

                                        40KB

                                      • memory/308-151-0x00000000073E0000-0x0000000007476000-memory.dmp

                                        Filesize

                                        600KB

                                      • memory/308-152-0x0000000007390000-0x000000000739E000-memory.dmp

                                        Filesize

                                        56KB

                                      • memory/308-153-0x0000000007480000-0x000000000749A000-memory.dmp

                                        Filesize

                                        104KB

                                      • memory/1832-174-0x0000000070A90000-0x0000000070ADC000-memory.dmp

                                        Filesize

                                        304KB

                                      • memory/3952-158-0x0000000070A90000-0x0000000070ADC000-memory.dmp

                                        Filesize

                                        304KB

                                      • memory/4832-164-0x0000000000760000-0x0000000000810000-memory.dmp

                                        Filesize

                                        704KB

                                      • memory/4860-133-0x00000000057B0000-0x0000000005D54000-memory.dmp

                                        Filesize

                                        5.6MB

                                      • memory/4860-132-0x0000000000800000-0x00000000008A8000-memory.dmp

                                        Filesize

                                        672KB

                                      • memory/4860-136-0x00000000054C0000-0x0000000005526000-memory.dmp

                                        Filesize

                                        408KB

                                      • memory/4860-135-0x0000000005260000-0x000000000526A000-memory.dmp

                                        Filesize

                                        40KB

                                      • memory/4860-134-0x00000000052A0000-0x0000000005332000-memory.dmp

                                        Filesize

                                        584KB