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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
    06/10/2022, 20:06

General

  • Target

    3cdd64a822d96b3bbe0f320d433876357306819151fbf7c61afb4a2c8717c369.exe

  • Size

    732KB

  • MD5

    8f47cf1e21d3f133d89c467556e84217

  • SHA1

    b7da8da654aec6412f1fa6c06c979c9dabbe40b5

  • SHA256

    3cdd64a822d96b3bbe0f320d433876357306819151fbf7c61afb4a2c8717c369

  • SHA512

    1513e09c8170230153d74187743311bd02c92762e2f1e27aeec1c366ae8c31c9f13d9c681dad18ebb870e8fe93e3a10c73e149b73a77d53e95e499de05c5985d

  • 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 12 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\3cdd64a822d96b3bbe0f320d433876357306819151fbf7c61afb4a2c8717c369.exe
    "C:\Users\Admin\AppData\Local\Temp\3cdd64a822d96b3bbe0f320d433876357306819151fbf7c61afb4a2c8717c369.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1956
    • C:\Windows\SysWOW64\cmd.exe
      "cmd.exe" /C chcp 1251 & powershell -Command Add-MpPreference -ExclusionPath "$ENV:USERPROFILE\Desktop" & powershell -Command Add-MpPreference -ExclusionPath "C:\ProgramData\Dllhost" & powershell -Command Add-MpPreference -ExclusionPath "C:\ProgramData\HostData"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3880
      • C:\Windows\SysWOW64\chcp.com
        chcp 1251
        3⤵
          PID:4360
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          powershell -Command Add-MpPreference -ExclusionPath "$ENV:USERPROFILE\Desktop"
          3⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:4264
        • 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:4912
        • 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:364
      • 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:2244
        • 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:3580
          • C:\Windows\SysWOW64\schtasks.exe
            SCHTASKS /CREATE /SC HOURLY /TN "SecurityHealthSystray" /TR "C:\ProgramData\Dllhost\dllhost.exe"
            4⤵
            • Creates scheduled task(s)
            PID:3972
        • C:\Windows\SysWOW64\cmd.exe
          "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "WmiPrvSE" /TR "C:\ProgramData\Dllhost\dllhost.exe"
          3⤵
            PID:2848
            • C:\Windows\SysWOW64\schtasks.exe
              SCHTASKS /CREATE /SC HOURLY /TN "WmiPrvSE" /TR "C:\ProgramData\Dllhost\dllhost.exe"
              4⤵
              • Creates scheduled task(s)
              PID:2308
          • 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:3608
            • C:\Windows\SysWOW64\schtasks.exe
              SCHTASKS /CREATE /SC HOURLY /TN "WindowsDefender" /TR "C:\ProgramData\Dllhost\dllhost.exe"
              4⤵
              • Creates scheduled task(s)
              PID:4960
          • C:\Windows\SysWOW64\cmd.exe
            "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "dllhost" /TR "C:\ProgramData\Dllhost\dllhost.exe"
            3⤵
              PID:1824
              • C:\Windows\SysWOW64\schtasks.exe
                SCHTASKS /CREATE /SC HOURLY /TN "dllhost" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                4⤵
                • Creates scheduled task(s)
                PID:2480
            • 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:4944
              • C:\Windows\SysWOW64\schtasks.exe
                SCHTASKS /CREATE /SC HOURLY /TN "AntiMalwareServiceExecutable" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                4⤵
                • Creates scheduled task(s)
                PID:1992
            • 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:696
              • C:\Windows\SysWOW64\schtasks.exe
                SCHTASKS /CREATE /SC HOURLY /TN "MicrosoftEdgeUpd" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                4⤵
                • Creates scheduled task(s)
                PID:1620
            • C:\Windows\SysWOW64\cmd.exe
              "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "OneDriveService" /TR "C:\ProgramData\Dllhost\dllhost.exe"
              3⤵
                PID:3336
                • C:\Windows\SysWOW64\schtasks.exe
                  SCHTASKS /CREATE /SC HOURLY /TN "OneDriveService" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                  4⤵
                  • Creates scheduled task(s)
                  PID:4888
              • C:\Windows\SysWOW64\cmd.exe
                "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "NvStray" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                3⤵
                  PID:3720
                  • C:\Windows\SysWOW64\schtasks.exe
                    SCHTASKS /CREATE /SC HOURLY /TN "NvStray" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                    4⤵
                    • Creates scheduled task(s)
                    PID:2264
                • C:\Windows\SysWOW64\cmd.exe
                  "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "WindowsDefenderServices\WindowsDefenderServicesService_bk9029" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                  3⤵
                    PID:824
                    • C:\Windows\SysWOW64\schtasks.exe
                      SCHTASKS /CREATE /SC HOURLY /TN "WindowsDefenderServices\WindowsDefenderServicesService_bk9029" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                      4⤵
                      • Creates scheduled task(s)
                      PID:4900
                  • C:\Windows\SysWOW64\cmd.exe
                    "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "AntiMalwareSericeExecutable\AntiMalwareSericeExecutableService_bk8368" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                    3⤵
                      PID:1608
                      • C:\Windows\SysWOW64\schtasks.exe
                        SCHTASKS /CREATE /SC HOURLY /TN "AntiMalwareSericeExecutable\AntiMalwareSericeExecutableService_bk8368" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                        4⤵
                        • Creates scheduled task(s)
                        PID:3016
                    • C:\Windows\SysWOW64\cmd.exe
                      "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "SettingSysHost\SettingSysHostService_bk221" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                      3⤵
                        PID:1100
                        • C:\Windows\SysWOW64\schtasks.exe
                          SCHTASKS /CREATE /SC HOURLY /TN "SettingSysHost\SettingSysHostService_bk221" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                          4⤵
                          • Creates scheduled task(s)
                          PID:2492
                      • C:\Windows\SysWOW64\cmd.exe
                        "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "MicrosoftUpdateServices\MicrosoftUpdateServicesService_bk9288" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                        3⤵
                          PID:1832
                          • C:\Windows\SysWOW64\schtasks.exe
                            SCHTASKS /CREATE /SC HOURLY /TN "MicrosoftUpdateServices\MicrosoftUpdateServicesService_bk9288" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                            4⤵
                            • Creates scheduled task(s)
                            PID:4020
                        • C:\Windows\SysWOW64\cmd.exe
                          "cmd.exe" /c chcp 1251 & C:\ProgramData\Dllhost\winlogson.exe --config msi.bin --log off
                          3⤵
                            PID:1724
                            • C:\Windows\SysWOW64\chcp.com
                              chcp 1251
                              4⤵
                                PID:4784
                            • C:\Windows\SysWOW64\cmd.exe
                              "cmd.exe" /c chcp 1251 & C:\ProgramData\Dllhost\winlogson.exe --config msi.bin --log off
                              3⤵
                                PID:424
                                • C:\Windows\SysWOW64\chcp.com
                                  chcp 1251
                                  4⤵
                                    PID:4292
                                • C:\Windows\SysWOW64\cmd.exe
                                  "cmd.exe" /c chcp 1251 & C:\ProgramData\Dllhost\winlogson.exe --config msi.bin --log off
                                  3⤵
                                    PID:5084
                                    • C:\Windows\SysWOW64\chcp.com
                                      chcp 1251
                                      4⤵
                                        PID:3664

                                Network

                                MITRE ATT&CK Enterprise v6

                                Replay Monitor

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                                Downloads

                                • C:\ProgramData\Dllhost\dllhost.exe

                                  Filesize

                                  954KB

                                  MD5

                                  efdb468795ca11a48e2da7b4ef33ae59

                                  SHA1

                                  4b004150f3cd70abf112781233fb264b6a78287e

                                  SHA256

                                  2619c6416848005a0b61a5c05e61dd190554779f4d4aa6132439138ed2ff407f

                                  SHA512

                                  7114b15af5d3f085d985cca43397de14ccfec4d274bfdd767fb949b97f9dbee95d347218f08771857b7f4f705ea8f07fbdd5a26460cf287fbbe37d7cb88ccfb2

                                • C:\ProgramData\Dllhost\dllhost.exe

                                  Filesize

                                  954KB

                                  MD5

                                  efdb468795ca11a48e2da7b4ef33ae59

                                  SHA1

                                  4b004150f3cd70abf112781233fb264b6a78287e

                                  SHA256

                                  2619c6416848005a0b61a5c05e61dd190554779f4d4aa6132439138ed2ff407f

                                  SHA512

                                  7114b15af5d3f085d985cca43397de14ccfec4d274bfdd767fb949b97f9dbee95d347218f08771857b7f4f705ea8f07fbdd5a26460cf287fbbe37d7cb88ccfb2

                                • 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

                                  e0d5dd332fe619d6e053fe75df56e1f4

                                  SHA1

                                  745ba16a921cf4647982df2e51a61a8130ecfbad

                                  SHA256

                                  3b88455646f193502585fe1701501a56bb985b34f7b46a5e8a72d49d22844b5d

                                  SHA512

                                  ce1f2130933f8df6cb768fd912daff34e71fdb62829339df64260ce0e3ff824e70b31f5d537502824aee7f7270a71b52348f4fb20053867e89065155a1d2911a

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

                                  Filesize

                                  18KB

                                  MD5

                                  6e074e10f87d27f2f01009a8eca9e56d

                                  SHA1

                                  73041e8fd33fcfb1bc30630a9e1b2f285c21f682

                                  SHA256

                                  b5578c10b632caa6396d2c6a279f096e22a6eab72a115f6188429c97ddba1e9f

                                  SHA512

                                  5fb8332a19e1f8dc00f9cd4ff9533bb9a4dab0ef50b996d25272210900a8c60eb8950fd05ddcee5c8223e102d30a250f89b57edb7a88cf121690c2e0d3421664

                                • memory/364-161-0x0000000070C00000-0x0000000070C4C000-memory.dmp

                                  Filesize

                                  304KB

                                • memory/1956-132-0x0000000000DF0000-0x0000000000E98000-memory.dmp

                                  Filesize

                                  672KB

                                • memory/1956-136-0x0000000005AF0000-0x0000000005B56000-memory.dmp

                                  Filesize

                                  408KB

                                • memory/1956-135-0x0000000005840000-0x000000000584A000-memory.dmp

                                  Filesize

                                  40KB

                                • memory/1956-134-0x0000000005860000-0x00000000058F2000-memory.dmp

                                  Filesize

                                  584KB

                                • memory/1956-133-0x0000000005ED0000-0x0000000006474000-memory.dmp

                                  Filesize

                                  5.6MB

                                • memory/2244-165-0x0000000000400000-0x00000000004B0000-memory.dmp

                                  Filesize

                                  704KB

                                • memory/4264-144-0x0000000006150000-0x000000000616E000-memory.dmp

                                  Filesize

                                  120KB

                                • memory/4264-149-0x0000000007490000-0x00000000074AA000-memory.dmp

                                  Filesize

                                  104KB

                                • memory/4264-147-0x0000000006700000-0x000000000671E000-memory.dmp

                                  Filesize

                                  120KB

                                • memory/4264-146-0x0000000070C00000-0x0000000070C4C000-memory.dmp

                                  Filesize

                                  304KB

                                • memory/4264-145-0x0000000007360000-0x0000000007392000-memory.dmp

                                  Filesize

                                  200KB

                                • memory/4264-154-0x00000000076F0000-0x00000000076F8000-memory.dmp

                                  Filesize

                                  32KB

                                • memory/4264-148-0x0000000007AF0000-0x000000000816A000-memory.dmp

                                  Filesize

                                  6.5MB

                                • memory/4264-153-0x00000000077B0000-0x00000000077CA000-memory.dmp

                                  Filesize

                                  104KB

                                • memory/4264-143-0x0000000005AA0000-0x0000000005B06000-memory.dmp

                                  Filesize

                                  408KB

                                • memory/4264-142-0x00000000052B0000-0x00000000052D2000-memory.dmp

                                  Filesize

                                  136KB

                                • memory/4264-150-0x00000000074E0000-0x00000000074EA000-memory.dmp

                                  Filesize

                                  40KB

                                • memory/4264-141-0x0000000005340000-0x0000000005968000-memory.dmp

                                  Filesize

                                  6.2MB

                                • memory/4264-151-0x0000000007710000-0x00000000077A6000-memory.dmp

                                  Filesize

                                  600KB

                                • memory/4264-152-0x00000000076B0000-0x00000000076BE000-memory.dmp

                                  Filesize

                                  56KB

                                • memory/4264-140-0x0000000004B90000-0x0000000004BC6000-memory.dmp

                                  Filesize

                                  216KB

                                • memory/4912-158-0x0000000070C00000-0x0000000070C4C000-memory.dmp

                                  Filesize

                                  304KB