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Analysis

  • max time kernel
    151s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/10/2022, 20:25

General

  • Target

    7e8199d7ff9c7e54ae178ebecc71e9fd11ef07a33a672b3a6b66cfbf10c705c0.exe

  • Size

    733KB

  • MD5

    caaf78824994f7518f5ea8d29a765c4e

  • SHA1

    47842a6f46693e492783f38d275fa25222375286

  • SHA256

    7e8199d7ff9c7e54ae178ebecc71e9fd11ef07a33a672b3a6b66cfbf10c705c0

  • SHA512

    9bbee21d24efb122b41025f861ee384bef0d01a20425bab53aba2bfc4bc94f067b5631b737925338b830b755539fd4222d6d755aa014f595be0e341d87379191

  • 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\7e8199d7ff9c7e54ae178ebecc71e9fd11ef07a33a672b3a6b66cfbf10c705c0.exe
    "C:\Users\Admin\AppData\Local\Temp\7e8199d7ff9c7e54ae178ebecc71e9fd11ef07a33a672b3a6b66cfbf10c705c0.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1780
    • C:\Windows\SysWOW64\cmd.exe
      "cmd.exe" /C chcp 1251 & powershell -Command Add-MpPreference -ExclusionPath "$ENV:USERPROFILE\Desktop" & powershell -Command Add-MpPreference -ExclusionPath "C:\ProgramData\Dllhost" & powershell -Command Add-MpPreference -ExclusionPath "C:\ProgramData\HostData"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3380
      • C:\Windows\SysWOW64\chcp.com
        chcp 1251
        3⤵
          PID:1412
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          powershell -Command Add-MpPreference -ExclusionPath "$ENV:USERPROFILE\Desktop"
          3⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1164
        • 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:4480
        • 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:1256
      • 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:3432
        • 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:4152
          • C:\Windows\SysWOW64\schtasks.exe
            SCHTASKS /CREATE /SC HOURLY /TN "SecurityHealthSystray" /TR "C:\ProgramData\Dllhost\dllhost.exe"
            4⤵
            • Creates scheduled task(s)
            PID:2804
        • C:\Windows\SysWOW64\cmd.exe
          "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "WindowsDefender" /TR "C:\ProgramData\Dllhost\dllhost.exe"
          3⤵
            PID:2060
          • 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:1184
            • C:\Windows\SysWOW64\schtasks.exe
              SCHTASKS /CREATE /SC HOURLY /TN "WmiPrvSE" /TR "C:\ProgramData\Dllhost\dllhost.exe"
              4⤵
              • Creates scheduled task(s)
              PID:2628
          • 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:1560
            • C:\Windows\SysWOW64\schtasks.exe
              SCHTASKS /CREATE /SC HOURLY /TN "AntiMalwareServiceExecutable" /TR "C:\ProgramData\Dllhost\dllhost.exe"
              4⤵
              • Creates scheduled task(s)
              PID:1152
          • C:\Windows\SysWOW64\cmd.exe
            "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "MicrosoftEdgeUpd" /TR "C:\ProgramData\Dllhost\dllhost.exe"
            3⤵
              PID:4352
              • C:\Windows\SysWOW64\schtasks.exe
                SCHTASKS /CREATE /SC HOURLY /TN "MicrosoftEdgeUpd" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                4⤵
                • Creates scheduled task(s)
                PID:4712
            • 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:2516
              • C:\Windows\SysWOW64\schtasks.exe
                SCHTASKS /CREATE /SC HOURLY /TN "dllhost" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                4⤵
                • Creates scheduled task(s)
                PID:1476
            • C:\Windows\SysWOW64\cmd.exe
              "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "OneDriveService" /TR "C:\ProgramData\Dllhost\dllhost.exe"
              3⤵
                PID:4532
                • C:\Windows\SysWOW64\schtasks.exe
                  SCHTASKS /CREATE /SC HOURLY /TN "OneDriveService" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                  4⤵
                  • Creates scheduled task(s)
                  PID:2788
              • C:\Windows\SysWOW64\cmd.exe
                "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "NvStray" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                3⤵
                  PID:3396
                  • C:\Windows\SysWOW64\schtasks.exe
                    SCHTASKS /CREATE /SC HOURLY /TN "NvStray" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                    4⤵
                    • Creates scheduled task(s)
                    PID:456
                • C:\Windows\SysWOW64\cmd.exe
                  "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "WindowsDefenderServices\WindowsDefenderServicesService_bk985" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                  3⤵
                    PID:4052
                    • C:\Windows\SysWOW64\schtasks.exe
                      SCHTASKS /CREATE /SC HOURLY /TN "WindowsDefenderServices\WindowsDefenderServicesService_bk985" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                      4⤵
                      • Creates scheduled task(s)
                      PID:3232
                  • C:\Windows\SysWOW64\cmd.exe
                    "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "AntiMalwareSericeExecutable\AntiMalwareSericeExecutableService_bk5205" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                    3⤵
                      PID:3308
                      • C:\Windows\SysWOW64\schtasks.exe
                        SCHTASKS /CREATE /SC HOURLY /TN "AntiMalwareSericeExecutable\AntiMalwareSericeExecutableService_bk5205" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                        4⤵
                        • Creates scheduled task(s)
                        PID:5112
                    • C:\Windows\SysWOW64\cmd.exe
                      "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "MicrosoftUpdateServices\MicrosoftUpdateServicesService_bk5504" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                      3⤵
                        PID:2344
                      • C:\Windows\SysWOW64\cmd.exe
                        "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "SettingSysHost\SettingSysHostService_bk460" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                        3⤵
                          PID:4892
                        • C:\Windows\SysWOW64\cmd.exe
                          "cmd.exe" /c chcp 1251 & C:\ProgramData\Dllhost\winlogson.exe --config msi.bin --log off
                          3⤵
                            PID:3600
                            • C:\Windows\SysWOW64\chcp.com
                              chcp 1251
                              4⤵
                                PID:4124
                            • C:\Windows\SysWOW64\cmd.exe
                              "cmd.exe" /c chcp 1251 & C:\ProgramData\Dllhost\winlogson.exe --config msi.bin --log off
                              3⤵
                                PID:4188
                                • C:\Windows\SysWOW64\chcp.com
                                  chcp 1251
                                  4⤵
                                    PID:1460
                                • C:\Windows\SysWOW64\cmd.exe
                                  "cmd.exe" /c chcp 1251 & C:\ProgramData\Dllhost\winlogson.exe --config msi.bin --log off
                                  3⤵
                                    PID:2740
                                    • C:\Windows\SysWOW64\chcp.com
                                      chcp 1251
                                      4⤵
                                        PID:1432

                                Network

                                MITRE ATT&CK Enterprise v6

                                Replay Monitor

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                                Downloads

                                • C:\ProgramData\Dllhost\dllhost.exe

                                  Filesize

                                  963KB

                                  MD5

                                  c711b65070ebf22c6bc36e4d9dfeca9c

                                  SHA1

                                  e9da5682abf0f900b85747d0750c4bd90d346846

                                  SHA256

                                  325727b16f999a8bfb7116025ba38eaeb5f8d6ac026ac98dc87e8a64a6869072

                                  SHA512

                                  fcc8ad6c9842580a7243dbced77360ee6cdd1ecdc7bc96122478ad0c08024994b14c9ee5b1829d91282be04a0e37fb199dcd7409cf81d34827708e1137c11278

                                • C:\ProgramData\Dllhost\dllhost.exe

                                  Filesize

                                  963KB

                                  MD5

                                  c711b65070ebf22c6bc36e4d9dfeca9c

                                  SHA1

                                  e9da5682abf0f900b85747d0750c4bd90d346846

                                  SHA256

                                  325727b16f999a8bfb7116025ba38eaeb5f8d6ac026ac98dc87e8a64a6869072

                                  SHA512

                                  fcc8ad6c9842580a7243dbced77360ee6cdd1ecdc7bc96122478ad0c08024994b14c9ee5b1829d91282be04a0e37fb199dcd7409cf81d34827708e1137c11278

                                • 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

                                  00b7c91cca05fcd515f60f4b5a06d153

                                  SHA1

                                  cf2d3612b18675d98c25131450fad7ba8e6b4ab7

                                  SHA256

                                  4f01ca26b6b24614fc05f6af5a4277c741c8683cdb40aa0bc16c5a2b3397ae32

                                  SHA512

                                  ff7d3946bb6218cb564c3c4150b332070fcfe595726665a87c26a54bc175d0523e17b952e18dc14b8d1cad07549248857ff1e47cc20a2309ea261deb3d1c1bcb

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

                                  Filesize

                                  18KB

                                  MD5

                                  63dac9f36c54751d62ce163c606ea8ae

                                  SHA1

                                  03fe96f9ececa6ba801d98ea3a713378ec2fa5ea

                                  SHA256

                                  7361e89310d2eade90609f4442b8b2a7022a1b085458bc070a7ba5a67512a069

                                  SHA512

                                  d1bbe0325a7a3ac2ab0c3d0dab49b595401eb237af46fd7a59237cdc449a60d92055e53c0c3619862349aca52ea1b81ed42fe89213fa38b83a18e0e798cf2905

                                • memory/1164-144-0x00000000068F0000-0x000000000690E000-memory.dmp

                                  Filesize

                                  120KB

                                • memory/1164-149-0x0000000007C00000-0x0000000007C1A000-memory.dmp

                                  Filesize

                                  104KB

                                • memory/1164-142-0x0000000005910000-0x0000000005932000-memory.dmp

                                  Filesize

                                  136KB

                                • memory/1164-143-0x0000000006160000-0x00000000061C6000-memory.dmp

                                  Filesize

                                  408KB

                                • memory/1164-140-0x0000000005320000-0x0000000005356000-memory.dmp

                                  Filesize

                                  216KB

                                • memory/1164-145-0x0000000007880000-0x00000000078B2000-memory.dmp

                                  Filesize

                                  200KB

                                • memory/1164-146-0x0000000070A40000-0x0000000070A8C000-memory.dmp

                                  Filesize

                                  304KB

                                • memory/1164-147-0x0000000005640000-0x000000000565E000-memory.dmp

                                  Filesize

                                  120KB

                                • memory/1164-148-0x0000000008280000-0x00000000088FA000-memory.dmp

                                  Filesize

                                  6.5MB

                                • memory/1164-141-0x0000000005AC0000-0x00000000060E8000-memory.dmp

                                  Filesize

                                  6.2MB

                                • memory/1164-150-0x0000000007C70000-0x0000000007C7A000-memory.dmp

                                  Filesize

                                  40KB

                                • memory/1164-151-0x0000000007E90000-0x0000000007F26000-memory.dmp

                                  Filesize

                                  600KB

                                • memory/1164-152-0x0000000007E30000-0x0000000007E3E000-memory.dmp

                                  Filesize

                                  56KB

                                • memory/1164-153-0x0000000007F30000-0x0000000007F4A000-memory.dmp

                                  Filesize

                                  104KB

                                • memory/1164-154-0x0000000007E70000-0x0000000007E78000-memory.dmp

                                  Filesize

                                  32KB

                                • memory/1256-187-0x00000000705F0000-0x000000007063C000-memory.dmp

                                  Filesize

                                  304KB

                                • memory/1780-136-0x0000000004ED0000-0x0000000004F36000-memory.dmp

                                  Filesize

                                  408KB

                                • memory/1780-132-0x0000000000240000-0x00000000002E8000-memory.dmp

                                  Filesize

                                  672KB

                                • memory/1780-133-0x00000000052E0000-0x0000000005884000-memory.dmp

                                  Filesize

                                  5.6MB

                                • memory/1780-134-0x0000000004C80000-0x0000000004D12000-memory.dmp

                                  Filesize

                                  584KB

                                • memory/1780-135-0x0000000004E30000-0x0000000004E3A000-memory.dmp

                                  Filesize

                                  40KB

                                • memory/3432-162-0x0000000000570000-0x0000000000620000-memory.dmp

                                  Filesize

                                  704KB

                                • memory/4480-158-0x0000000070A40000-0x0000000070A8C000-memory.dmp

                                  Filesize

                                  304KB