Analysis

  • max time kernel
    150s
  • max time network
    132s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16/09/2022, 18:34

General

  • Target

    9ea83af5875395e4c089df103ddbb9022fd6670fb749ecacfcf53456b9f8cf78.exe

  • Size

    719KB

  • MD5

    0c1bcd1c2923fe640eeb3cc49783c588

  • SHA1

    27786a4668b81e84d321c14288e2d65bfd5688fa

  • SHA256

    9ea83af5875395e4c089df103ddbb9022fd6670fb749ecacfcf53456b9f8cf78

  • SHA512

    19bc349ba61960db9b5682ddafdcbbbf6074f48dd0a03e66522c888c34ceb3027f0c610c490cac2b981c88881fabbe3293708bdc41b41604ff36459cc762569a

  • 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 10 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\9ea83af5875395e4c089df103ddbb9022fd6670fb749ecacfcf53456b9f8cf78.exe
    "C:\Users\Admin\AppData\Local\Temp\9ea83af5875395e4c089df103ddbb9022fd6670fb749ecacfcf53456b9f8cf78.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4624
    • C:\Windows\SysWOW64\cmd.exe
      "cmd.exe" /C chcp 1251 & powershell -Command Add-MpPreference -ExclusionPath "$ENV:USERPROFILE\Desktop" & powershell -Command Add-MpPreference -ExclusionPath "C:\ProgramData\Dllhost" & powershell -Command Add-MpPreference -ExclusionPath "C:\ProgramData\HostData"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4968
      • C:\Windows\SysWOW64\chcp.com
        chcp 1251
        3⤵
          PID:3232
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          powershell -Command Add-MpPreference -ExclusionPath "$ENV:USERPROFILE\Desktop"
          3⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:3476
        • 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:444
        • 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:3424
      • 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:2176
        • 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:2484
          • C:\Windows\SysWOW64\schtasks.exe
            SCHTASKS /CREATE /SC HOURLY /TN "WmiPrvSE" /TR "C:\ProgramData\Dllhost\dllhost.exe"
            4⤵
            • Creates scheduled task(s)
            PID:2540
        • C:\Windows\SysWOW64\cmd.exe
          "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "AntiMalwareServiceExecutable" /TR "C:\ProgramData\Dllhost\dllhost.exe"
          3⤵
            PID:4500
            • C:\Windows\SysWOW64\schtasks.exe
              SCHTASKS /CREATE /SC HOURLY /TN "AntiMalwareServiceExecutable" /TR "C:\ProgramData\Dllhost\dllhost.exe"
              4⤵
              • Creates scheduled task(s)
              PID:2520
          • C:\Windows\SysWOW64\cmd.exe
            "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "OneDriveService" /TR "C:\ProgramData\Dllhost\dllhost.exe"
            3⤵
            • Suspicious use of WriteProcessMemory
            PID:1600
            • C:\Windows\SysWOW64\schtasks.exe
              SCHTASKS /CREATE /SC HOURLY /TN "OneDriveService" /TR "C:\ProgramData\Dllhost\dllhost.exe"
              4⤵
              • Creates scheduled task(s)
              PID:4608
          • C:\Windows\SysWOW64\cmd.exe
            "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "WindowsDefenderServices\WindowsDefenderServicesService_bk2072" /TR "C:\ProgramData\Dllhost\dllhost.exe"
            3⤵
            • Suspicious use of WriteProcessMemory
            PID:4604
            • C:\Windows\SysWOW64\schtasks.exe
              SCHTASKS /CREATE /SC HOURLY /TN "WindowsDefenderServices\WindowsDefenderServicesService_bk2072" /TR "C:\ProgramData\Dllhost\dllhost.exe"
              4⤵
              • Creates scheduled task(s)
              PID:3260
          • C:\Windows\SysWOW64\cmd.exe
            "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "NvStray" /TR "C:\ProgramData\Dllhost\dllhost.exe"
            3⤵
              PID:1244
              • C:\Windows\SysWOW64\schtasks.exe
                SCHTASKS /CREATE /SC HOURLY /TN "NvStray" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                4⤵
                • Creates scheduled task(s)
                PID:2340
            • C:\Windows\SysWOW64\cmd.exe
              "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "AntiMalwareSericeExecutable\AntiMalwareSericeExecutableService_bk4126" /TR "C:\ProgramData\Dllhost\dllhost.exe"
              3⤵
                PID:896
                • C:\Windows\SysWOW64\schtasks.exe
                  SCHTASKS /CREATE /SC HOURLY /TN "AntiMalwareSericeExecutable\AntiMalwareSericeExecutableService_bk4126" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                  4⤵
                  • Creates scheduled task(s)
                  PID:780
              • C:\Windows\SysWOW64\cmd.exe
                "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "MicrosoftEdgeUpd" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                3⤵
                  PID:3768
                  • C:\Windows\SysWOW64\schtasks.exe
                    SCHTASKS /CREATE /SC HOURLY /TN "MicrosoftEdgeUpd" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                    4⤵
                    • Creates scheduled task(s)
                    PID:4268
                • C:\Windows\SysWOW64\cmd.exe
                  "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "dllhost" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                  3⤵
                    PID:2352
                  • C:\Windows\SysWOW64\cmd.exe
                    "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "WindowsDefender" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                    3⤵
                      PID:4652
                      • C:\Windows\SysWOW64\schtasks.exe
                        SCHTASKS /CREATE /SC HOURLY /TN "WindowsDefender" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                        4⤵
                        • Creates scheduled task(s)
                        PID:3280
                    • C:\Windows\SysWOW64\cmd.exe
                      "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "SecurityHealthSystray" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                      3⤵
                        PID:4636
                        • C:\Windows\SysWOW64\schtasks.exe
                          SCHTASKS /CREATE /SC HOURLY /TN "SecurityHealthSystray" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                          4⤵
                          • Creates scheduled task(s)
                          PID:3068
                      • C:\Windows\SysWOW64\cmd.exe
                        "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "MicrosoftUpdateServices\MicrosoftUpdateServicesService_bk7121" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                        3⤵
                          PID:1156
                        • C:\Windows\SysWOW64\cmd.exe
                          "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "SettingSysHost\SettingSysHostService_bk7487" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                          3⤵
                          • Suspicious use of WriteProcessMemory
                          PID:4104
                          • C:\Windows\SysWOW64\schtasks.exe
                            SCHTASKS /CREATE /SC HOURLY /TN "SettingSysHost\SettingSysHostService_bk7487" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                            4⤵
                            • Creates scheduled task(s)
                            PID:2380
                        • C:\Windows\SysWOW64\cmd.exe
                          "cmd.exe" /c chcp 1251 & C:\ProgramData\Dllhost\winlogson.exe --config msi.bin --log off
                          3⤵
                            PID:4672
                            • C:\Windows\SysWOW64\chcp.com
                              chcp 1251
                              4⤵
                                PID:4152
                            • C:\Windows\SysWOW64\cmd.exe
                              "cmd.exe" /c chcp 1251 & C:\ProgramData\Dllhost\winlogson.exe --config msi.bin --log off
                              3⤵
                                PID:1948
                                • C:\Windows\SysWOW64\chcp.com
                                  chcp 1251
                                  4⤵
                                    PID:4932
                                • C:\Windows\SysWOW64\cmd.exe
                                  "cmd.exe" /c chcp 1251 & C:\ProgramData\Dllhost\winlogson.exe --config msi.bin --log off
                                  3⤵
                                    PID:2920
                                    • C:\Windows\SysWOW64\chcp.com
                                      chcp 1251
                                      4⤵
                                        PID:4232

                                Network

                                      MITRE ATT&CK Enterprise v6

                                      Replay Monitor

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                                      Downloads

                                      • C:\ProgramData\Dllhost\dllhost.exe

                                        Filesize

                                        900KB

                                        MD5

                                        e4a39f7c06d7126f5b93cd375ac2ba3b

                                        SHA1

                                        828d049169d09b152885970ccb154b07813298e3

                                        SHA256

                                        9644af2c2521fe0b3890ceb26309a3c7489979e0c2d97e867a5ef7228e2c2647

                                        SHA512

                                        953012021c6cfa6490d86dddbd8e65d9be93ff4803c61770e745a53066153ec235cba6317e63bf281b9b27b9744c16d9c1b62961b775291d08212e60860f93a3

                                      • C:\ProgramData\Dllhost\dllhost.exe

                                        Filesize

                                        900KB

                                        MD5

                                        e4a39f7c06d7126f5b93cd375ac2ba3b

                                        SHA1

                                        828d049169d09b152885970ccb154b07813298e3

                                        SHA256

                                        9644af2c2521fe0b3890ceb26309a3c7489979e0c2d97e867a5ef7228e2c2647

                                        SHA512

                                        953012021c6cfa6490d86dddbd8e65d9be93ff4803c61770e745a53066153ec235cba6317e63bf281b9b27b9744c16d9c1b62961b775291d08212e60860f93a3

                                      • 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

                                        62785b0f831e54c4d08d68b297987729

                                        SHA1

                                        c756973160038caa54514b298b0cc1857da3c467

                                        SHA256

                                        84971a0904b2e799a71ed723f8d6311e498874a51b15bc1e23e8f060fa7a9110

                                        SHA512

                                        2661c5622c1d6ad39f184e632f05ed39c56954df2e14217e60a2ba6e2fbcf1aecd5de9128d39002c8fff21b366d1c64191c91ea58155ecbf347aaec4a18bec34

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

                                        Filesize

                                        18KB

                                        MD5

                                        657cf657366b4eaee2b9ccadc13cb463

                                        SHA1

                                        f204b1b6b0cfc3f424750ad984fc935005c2569e

                                        SHA256

                                        ee0d6aa8e04a5b0b72bdd286a7238f54ae80a124e9985b87025d2d8b73c39b55

                                        SHA512

                                        71b164cdce258f098e4a5317ac68870e94f8b06f2d1a53f5a6824badbb2ba5ef24a63cf1fc206bb0089e744fa695bc94507bea771ca3f9f0660b5f645a2d0eb6

                                      • memory/444-158-0x00000000709D0000-0x0000000070A1C000-memory.dmp

                                        Filesize

                                        304KB

                                      • memory/2176-165-0x0000000000230000-0x00000000002E0000-memory.dmp

                                        Filesize

                                        704KB

                                      • memory/3424-161-0x00000000709D0000-0x0000000070A1C000-memory.dmp

                                        Filesize

                                        304KB

                                      • memory/3476-145-0x0000000006900000-0x0000000006932000-memory.dmp

                                        Filesize

                                        200KB

                                      • memory/3476-141-0x0000000005680000-0x0000000005CA8000-memory.dmp

                                        Filesize

                                        6.2MB

                                      • memory/3476-144-0x0000000006320000-0x000000000633E000-memory.dmp

                                        Filesize

                                        120KB

                                      • memory/3476-143-0x00000000053E0000-0x0000000005446000-memory.dmp

                                        Filesize

                                        408KB

                                      • memory/3476-142-0x0000000005340000-0x0000000005362000-memory.dmp

                                        Filesize

                                        136KB

                                      • memory/3476-154-0x00000000078B0000-0x00000000078B8000-memory.dmp

                                        Filesize

                                        32KB

                                      • memory/3476-146-0x00000000709D0000-0x0000000070A1C000-memory.dmp

                                        Filesize

                                        304KB

                                      • memory/3476-151-0x00000000078D0000-0x0000000007966000-memory.dmp

                                        Filesize

                                        600KB

                                      • memory/3476-140-0x0000000002D50000-0x0000000002D86000-memory.dmp

                                        Filesize

                                        216KB

                                      • memory/3476-150-0x00000000076A0000-0x00000000076AA000-memory.dmp

                                        Filesize

                                        40KB

                                      • memory/3476-153-0x0000000007970000-0x000000000798A000-memory.dmp

                                        Filesize

                                        104KB

                                      • memory/3476-147-0x00000000068E0000-0x00000000068FE000-memory.dmp

                                        Filesize

                                        120KB

                                      • memory/3476-149-0x0000000007650000-0x000000000766A000-memory.dmp

                                        Filesize

                                        104KB

                                      • memory/3476-152-0x0000000007870000-0x000000000787E000-memory.dmp

                                        Filesize

                                        56KB

                                      • memory/3476-148-0x0000000007CB0000-0x000000000832A000-memory.dmp

                                        Filesize

                                        6.5MB

                                      • memory/4624-132-0x0000000000950000-0x00000000009F8000-memory.dmp

                                        Filesize

                                        672KB

                                      • memory/4624-136-0x00000000055D0000-0x0000000005636000-memory.dmp

                                        Filesize

                                        408KB

                                      • memory/4624-135-0x00000000053C0000-0x00000000053CA000-memory.dmp

                                        Filesize

                                        40KB

                                      • memory/4624-134-0x0000000005440000-0x00000000054D2000-memory.dmp

                                        Filesize

                                        584KB

                                      • memory/4624-133-0x0000000005950000-0x0000000005EF4000-memory.dmp

                                        Filesize

                                        5.6MB