Analysis

  • max time kernel
    151s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/09/2022, 09:12

General

  • Target

    77eb8b9ed8217c72d9432fb569bbd2a941a6fb98cd2276f0691eecb4037c0099.exe

  • Size

    717KB

  • MD5

    fa6d7ed344ef7efa7dd965ec4a35be51

  • SHA1

    9e12d0df1283e00cadc8ecdd7e85985df6eec34a

  • SHA256

    77eb8b9ed8217c72d9432fb569bbd2a941a6fb98cd2276f0691eecb4037c0099

  • SHA512

    b19b242eb27ca5946665edd9638e0d3d33dc8d81c605cfa52787587529f46636ae416e4845e0917bb30374396568eda05c777d49d5461a1e246379e3f8acf6d6

  • 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\77eb8b9ed8217c72d9432fb569bbd2a941a6fb98cd2276f0691eecb4037c0099.exe
    "C:\Users\Admin\AppData\Local\Temp\77eb8b9ed8217c72d9432fb569bbd2a941a6fb98cd2276f0691eecb4037c0099.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1748
    • C:\Windows\SysWOW64\cmd.exe
      "cmd.exe" /C chcp 1251 & powershell -Command Add-MpPreference -ExclusionPath "$ENV:USERPROFILE\Desktop" & powershell -Command Add-MpPreference -ExclusionPath "C:\ProgramData\Dllhost" & powershell -Command Add-MpPreference -ExclusionPath "C:\ProgramData\HostData"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3116
      • C:\Windows\SysWOW64\chcp.com
        chcp 1251
        3⤵
          PID:2360
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          powershell -Command Add-MpPreference -ExclusionPath "$ENV:USERPROFILE\Desktop"
          3⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2096
        • 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:2836
        • 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:4400
      • 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:1112
        • 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:5084
          • C:\Windows\SysWOW64\schtasks.exe
            SCHTASKS /CREATE /SC HOURLY /TN "SecurityHealthSystray" /TR "C:\ProgramData\Dllhost\dllhost.exe"
            4⤵
            • Creates scheduled task(s)
            PID:4464
        • 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:3400
          • C:\Windows\SysWOW64\schtasks.exe
            SCHTASKS /CREATE /SC HOURLY /TN "AntiMalwareServiceExecutable" /TR "C:\ProgramData\Dllhost\dllhost.exe"
            4⤵
            • Creates scheduled task(s)
            PID:2356
        • C:\Windows\SysWOW64\cmd.exe
          "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "MicrosoftEdgeUpd" /TR "C:\ProgramData\Dllhost\dllhost.exe"
          3⤵
            PID:1656
            • C:\Windows\SysWOW64\schtasks.exe
              SCHTASKS /CREATE /SC HOURLY /TN "MicrosoftEdgeUpd" /TR "C:\ProgramData\Dllhost\dllhost.exe"
              4⤵
              • Creates scheduled task(s)
              PID:3980
          • C:\Windows\SysWOW64\cmd.exe
            "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "OneDriveService" /TR "C:\ProgramData\Dllhost\dllhost.exe"
            3⤵
              PID:4320
            • C:\Windows\SysWOW64\cmd.exe
              "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "WindowsDefenderServices\WindowsDefenderServicesService_bk6742" /TR "C:\ProgramData\Dllhost\dllhost.exe"
              3⤵
                PID:3484
                • C:\Windows\SysWOW64\schtasks.exe
                  SCHTASKS /CREATE /SC HOURLY /TN "WindowsDefenderServices\WindowsDefenderServicesService_bk6742" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                  4⤵
                  • Creates scheduled task(s)
                  PID:4076
              • C:\Windows\SysWOW64\cmd.exe
                "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "AntiMalwareSericeExecutable\AntiMalwareSericeExecutableService_bk4825" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                3⤵
                  PID:3440
                  • C:\Windows\SysWOW64\schtasks.exe
                    SCHTASKS /CREATE /SC HOURLY /TN "AntiMalwareSericeExecutable\AntiMalwareSericeExecutableService_bk4825" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                    4⤵
                    • Creates scheduled task(s)
                    PID:1680
                • C:\Windows\SysWOW64\cmd.exe
                  "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "NvStray" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                  3⤵
                    PID:2808
                    • C:\Windows\SysWOW64\schtasks.exe
                      SCHTASKS /CREATE /SC HOURLY /TN "NvStray" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                      4⤵
                      • Creates scheduled task(s)
                      PID:2360
                  • C:\Windows\SysWOW64\cmd.exe
                    "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "dllhost" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                    3⤵
                      PID:3464
                      • C:\Windows\SysWOW64\schtasks.exe
                        SCHTASKS /CREATE /SC HOURLY /TN "dllhost" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                        4⤵
                        • Creates scheduled task(s)
                        PID:3108
                    • C:\Windows\SysWOW64\cmd.exe
                      "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "MicrosoftUpdateServices\MicrosoftUpdateServicesService_bk772" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                      3⤵
                        PID:1040
                        • C:\Windows\SysWOW64\schtasks.exe
                          SCHTASKS /CREATE /SC HOURLY /TN "MicrosoftUpdateServices\MicrosoftUpdateServicesService_bk772" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                          4⤵
                          • Creates scheduled task(s)
                          PID:3756
                      • C:\Windows\SysWOW64\cmd.exe
                        "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "SettingSysHost\SettingSysHostService_bk9311" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                        3⤵
                        • Suspicious use of WriteProcessMemory
                        PID:4568
                        • C:\Windows\SysWOW64\schtasks.exe
                          SCHTASKS /CREATE /SC HOURLY /TN "SettingSysHost\SettingSysHostService_bk9311" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                          4⤵
                          • Creates scheduled task(s)
                          PID:2260
                      • C:\Windows\SysWOW64\cmd.exe
                        "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "WmiPrvSE" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                        3⤵
                          PID:4672
                          • C:\Windows\SysWOW64\schtasks.exe
                            SCHTASKS /CREATE /SC HOURLY /TN "WmiPrvSE" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                            4⤵
                            • Creates scheduled task(s)
                            PID:3992
                        • 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:2384
                          • C:\Windows\SysWOW64\schtasks.exe
                            SCHTASKS /CREATE /SC HOURLY /TN "WindowsDefender" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                            4⤵
                            • Creates scheduled task(s)
                            PID:4276
                        • C:\Windows\SysWOW64\cmd.exe
                          "cmd.exe" /c chcp 1251 & C:\ProgramData\Dllhost\winlogson.exe --config msi.bin --log off
                          3⤵
                            PID:3276
                            • C:\Windows\SysWOW64\chcp.com
                              chcp 1251
                              4⤵
                                PID:3724
                            • C:\Windows\SysWOW64\cmd.exe
                              "cmd.exe" /c chcp 1251 & C:\ProgramData\Dllhost\winlogson.exe --config msi.bin --log off
                              3⤵
                                PID:860
                                • C:\Windows\SysWOW64\chcp.com
                                  chcp 1251
                                  4⤵
                                    PID:3556
                                • C:\Windows\SysWOW64\cmd.exe
                                  "cmd.exe" /c chcp 1251 & C:\ProgramData\Dllhost\winlogson.exe --config msi.bin --log off
                                  3⤵
                                    PID:4632
                                    • C:\Windows\SysWOW64\chcp.com
                                      chcp 1251
                                      4⤵
                                        PID:2396

                                Network

                                      MITRE ATT&CK Enterprise v6

                                      Replay Monitor

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                                      Downloads

                                      • C:\ProgramData\Dllhost\dllhost.exe

                                        Filesize

                                        893KB

                                        MD5

                                        aa2b130e83abfe1a904cea0b10e70f86

                                        SHA1

                                        33600c39054646f35bf69544ea78f0e8fe745c9c

                                        SHA256

                                        608226ec7362c8edf2652fb588180d0558cf4e2188ed1e7d3fde1faa196d0cea

                                        SHA512

                                        65ea35420290d04d24b050a2fb2aebb2716b9e22c3750fc34859aa7383b49f1bfa7cf53433cf578dc7fab8c1c851aa917ce7d8c98d79a01b5529c0081237580c

                                      • C:\ProgramData\Dllhost\dllhost.exe

                                        Filesize

                                        893KB

                                        MD5

                                        aa2b130e83abfe1a904cea0b10e70f86

                                        SHA1

                                        33600c39054646f35bf69544ea78f0e8fe745c9c

                                        SHA256

                                        608226ec7362c8edf2652fb588180d0558cf4e2188ed1e7d3fde1faa196d0cea

                                        SHA512

                                        65ea35420290d04d24b050a2fb2aebb2716b9e22c3750fc34859aa7383b49f1bfa7cf53433cf578dc7fab8c1c851aa917ce7d8c98d79a01b5529c0081237580c

                                      • 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

                                        17a8b7b5efed654c8cfcfd8eba81d6fb

                                        SHA1

                                        6953f333e1affe2622733f6bf6184468218e4a64

                                        SHA256

                                        213404893d317463c5d7d99976d45abce2ff88e85966ac7c23a2a23cb2e2e9ac

                                        SHA512

                                        eb3eb54d9ba584290cf2a708278f52661c1eb87e5b8eb4520f8796853cc3a14662898c63f3abb1b26c39441b3ae3798ac9b5f1c48bd5f7248e14296a769b8f26

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

                                        Filesize

                                        18KB

                                        MD5

                                        44cda8e80a0df47fe8105ec7549ad230

                                        SHA1

                                        20015eb4af999033b0bb78319b96a61eaee472ed

                                        SHA256

                                        6645fc680d93d0c5bc37217ab7bad1b7337a06deb0f5633b0d93f32e79a7900f

                                        SHA512

                                        c24d0b0ef095d9cc9f82547783b3da0c857fee34e205c1194e773474c3fe0c780a38a039f15319bccbf2544130dda18793572cf8145451ac53a6048f2759d56c

                                      • memory/1112-165-0x0000000000170000-0x0000000000220000-memory.dmp

                                        Filesize

                                        704KB

                                      • memory/1748-136-0x0000000005690000-0x00000000056F6000-memory.dmp

                                        Filesize

                                        408KB

                                      • memory/1748-135-0x00000000053A0000-0x00000000053AA000-memory.dmp

                                        Filesize

                                        40KB

                                      • memory/1748-134-0x0000000005410000-0x00000000054A2000-memory.dmp

                                        Filesize

                                        584KB

                                      • memory/1748-133-0x00000000059C0000-0x0000000005F64000-memory.dmp

                                        Filesize

                                        5.6MB

                                      • memory/1748-132-0x0000000000950000-0x00000000009F8000-memory.dmp

                                        Filesize

                                        672KB

                                      • memory/2096-148-0x0000000007C10000-0x000000000828A000-memory.dmp

                                        Filesize

                                        6.5MB

                                      • memory/2096-143-0x0000000005B00000-0x0000000005B66000-memory.dmp

                                        Filesize

                                        408KB

                                      • memory/2096-151-0x0000000007830000-0x00000000078C6000-memory.dmp

                                        Filesize

                                        600KB

                                      • memory/2096-152-0x00000000077D0000-0x00000000077DE000-memory.dmp

                                        Filesize

                                        56KB

                                      • memory/2096-153-0x00000000078D0000-0x00000000078EA000-memory.dmp

                                        Filesize

                                        104KB

                                      • memory/2096-154-0x0000000007810000-0x0000000007818000-memory.dmp

                                        Filesize

                                        32KB

                                      • memory/2096-149-0x00000000075B0000-0x00000000075CA000-memory.dmp

                                        Filesize

                                        104KB

                                      • memory/2096-147-0x0000000006820000-0x000000000683E000-memory.dmp

                                        Filesize

                                        120KB

                                      • memory/2096-140-0x0000000004CE0000-0x0000000004D16000-memory.dmp

                                        Filesize

                                        216KB

                                      • memory/2096-150-0x0000000007600000-0x000000000760A000-memory.dmp

                                        Filesize

                                        40KB

                                      • memory/2096-146-0x0000000070270000-0x00000000702BC000-memory.dmp

                                        Filesize

                                        304KB

                                      • memory/2096-141-0x00000000053D0000-0x00000000059F8000-memory.dmp

                                        Filesize

                                        6.2MB

                                      • memory/2096-145-0x0000000006840000-0x0000000006872000-memory.dmp

                                        Filesize

                                        200KB

                                      • memory/2096-144-0x0000000004FE0000-0x0000000004FFE000-memory.dmp

                                        Filesize

                                        120KB

                                      • memory/2096-142-0x00000000052E0000-0x0000000005302000-memory.dmp

                                        Filesize

                                        136KB

                                      • memory/2836-158-0x0000000070270000-0x00000000702BC000-memory.dmp

                                        Filesize

                                        304KB

                                      • memory/4400-161-0x0000000070270000-0x00000000702BC000-memory.dmp

                                        Filesize

                                        304KB