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Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/09/2022, 16:46

General

  • Target

    5c88d239c19b0fcd7063203854335986d1f1fe543a98c0ec96f27e63257487a5.exe

  • Size

    717KB

  • MD5

    ab01754731188abea88024b2d19fe16d

  • SHA1

    6884de5b235a4aee053d796c0f91b0d400a81402

  • SHA256

    5c88d239c19b0fcd7063203854335986d1f1fe543a98c0ec96f27e63257487a5

  • SHA512

    b8c21588387d6869ecf4f93344ac2fc103139d01f54f5cca8d9493bbfa8fb28d927e4150b6f4636a7e5ad90dcaac265e0489ce000078bae53f107b54ee255376

  • 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\5c88d239c19b0fcd7063203854335986d1f1fe543a98c0ec96f27e63257487a5.exe
    "C:\Users\Admin\AppData\Local\Temp\5c88d239c19b0fcd7063203854335986d1f1fe543a98c0ec96f27e63257487a5.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2592
    • C:\Windows\SysWOW64\cmd.exe
      "cmd.exe" /C chcp 1251 & powershell -Command Add-MpPreference -ExclusionPath "$ENV:USERPROFILE\Desktop" & powershell -Command Add-MpPreference -ExclusionPath "C:\ProgramData\Dllhost" & powershell -Command Add-MpPreference -ExclusionPath "C:\ProgramData\HostData"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3792
      • C:\Windows\SysWOW64\chcp.com
        chcp 1251
        3⤵
          PID:384
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          powershell -Command Add-MpPreference -ExclusionPath "$ENV:USERPROFILE\Desktop"
          3⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1300
        • 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:5016
        • 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:3360
      • 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:4984
        • 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:3560
          • C:\Windows\SysWOW64\schtasks.exe
            SCHTASKS /CREATE /SC HOURLY /TN "SecurityHealthSystray" /TR "C:\ProgramData\Dllhost\dllhost.exe"
            4⤵
            • Creates scheduled task(s)
            PID:3212
        • C:\Windows\SysWOW64\cmd.exe
          "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "WmiPrvSE" /TR "C:\ProgramData\Dllhost\dllhost.exe"
          3⤵
            PID:3532
            • C:\Windows\SysWOW64\schtasks.exe
              SCHTASKS /CREATE /SC HOURLY /TN "WmiPrvSE" /TR "C:\ProgramData\Dllhost\dllhost.exe"
              4⤵
              • Creates scheduled task(s)
              PID:4444
          • 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:4776
            • C:\Windows\SysWOW64\schtasks.exe
              SCHTASKS /CREATE /SC HOURLY /TN "AntiMalwareServiceExecutable" /TR "C:\ProgramData\Dllhost\dllhost.exe"
              4⤵
              • Creates scheduled task(s)
              PID:1828
          • C:\Windows\SysWOW64\cmd.exe
            "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "WindowsDefender" /TR "C:\ProgramData\Dllhost\dllhost.exe"
            3⤵
              PID:3488
              • C:\Windows\SysWOW64\schtasks.exe
                SCHTASKS /CREATE /SC HOURLY /TN "WindowsDefender" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                4⤵
                • Creates scheduled task(s)
                PID:4356
            • C:\Windows\SysWOW64\cmd.exe
              "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "dllhost" /TR "C:\ProgramData\Dllhost\dllhost.exe"
              3⤵
                PID:2596
                • C:\Windows\SysWOW64\schtasks.exe
                  SCHTASKS /CREATE /SC HOURLY /TN "dllhost" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                  4⤵
                  • Creates scheduled task(s)
                  PID:3104
              • C:\Windows\SysWOW64\cmd.exe
                "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "MicrosoftEdgeUpd" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                3⤵
                  PID:4476
                  • C:\Windows\SysWOW64\schtasks.exe
                    SCHTASKS /CREATE /SC HOURLY /TN "MicrosoftEdgeUpd" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                    4⤵
                    • Creates scheduled task(s)
                    PID:5080
                • C:\Windows\SysWOW64\cmd.exe
                  "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "NvStray" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                  3⤵
                  • Suspicious use of WriteProcessMemory
                  PID:1924
                  • C:\Windows\SysWOW64\schtasks.exe
                    SCHTASKS /CREATE /SC HOURLY /TN "NvStray" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                    4⤵
                    • Creates scheduled task(s)
                    PID:4528
                • 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:3120
                  • C:\Windows\SysWOW64\schtasks.exe
                    SCHTASKS /CREATE /SC HOURLY /TN "OneDriveService" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                    4⤵
                    • Creates scheduled task(s)
                    PID:1700
                • C:\Windows\SysWOW64\cmd.exe
                  "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "AntiMalwareSericeExecutable\AntiMalwareSericeExecutableService_bk6887" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                  3⤵
                    PID:928
                  • C:\Windows\SysWOW64\cmd.exe
                    "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "MicrosoftUpdateServices\MicrosoftUpdateServicesService_bk2150" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                    3⤵
                      PID:2408
                      • C:\Windows\SysWOW64\schtasks.exe
                        SCHTASKS /CREATE /SC HOURLY /TN "MicrosoftUpdateServices\MicrosoftUpdateServicesService_bk2150" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                        4⤵
                        • Creates scheduled task(s)
                        PID:2712
                    • C:\Windows\SysWOW64\cmd.exe
                      "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "SettingSysHost\SettingSysHostService_bk2143" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                      3⤵
                        PID:4424
                        • C:\Windows\SysWOW64\schtasks.exe
                          SCHTASKS /CREATE /SC HOURLY /TN "SettingSysHost\SettingSysHostService_bk2143" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                          4⤵
                          • Creates scheduled task(s)
                          PID:4316
                      • C:\Windows\SysWOW64\cmd.exe
                        "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "WindowsDefenderServices\WindowsDefenderServicesService_bk6074" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                        3⤵
                          PID:3980
                          • C:\Windows\SysWOW64\schtasks.exe
                            SCHTASKS /CREATE /SC HOURLY /TN "WindowsDefenderServices\WindowsDefenderServicesService_bk6074" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                            4⤵
                            • Creates scheduled task(s)
                            PID:4328
                        • C:\Windows\SysWOW64\cmd.exe
                          "cmd.exe" /c chcp 1251 & C:\ProgramData\Dllhost\winlogson.exe --config msi.bin --log off
                          3⤵
                            PID:1316
                            • C:\Windows\SysWOW64\chcp.com
                              chcp 1251
                              4⤵
                                PID:3020
                            • C:\Windows\SysWOW64\cmd.exe
                              "cmd.exe" /c chcp 1251 & C:\ProgramData\Dllhost\winlogson.exe --config msi.bin --log off
                              3⤵
                                PID:4936
                                • C:\Windows\SysWOW64\chcp.com
                                  chcp 1251
                                  4⤵
                                    PID:4228
                                • C:\Windows\SysWOW64\cmd.exe
                                  "cmd.exe" /c chcp 1251 & C:\ProgramData\Dllhost\winlogson.exe --config msi.bin --log off
                                  3⤵
                                    PID:4548
                                    • C:\Windows\SysWOW64\chcp.com
                                      chcp 1251
                                      4⤵
                                        PID:4224

                                Network

                                MITRE ATT&CK Enterprise v6

                                Replay Monitor

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                                Downloads

                                • C:\ProgramData\Dllhost\dllhost.exe

                                  Filesize

                                  895KB

                                  MD5

                                  39495116aeea27dc185c09e3858ab643

                                  SHA1

                                  d5202f0b8d3f1391a590becdaac38cf8ea76f8e0

                                  SHA256

                                  2efa86b9d8a116ef4c046ef15fa6cd8ea5ec361b563d9166cb99157bfaf3e0cc

                                  SHA512

                                  5b0ac2f7dc6ade9481744fb9e61d3561934d56e4f849851b341107e65ce0ff2bcb3795a926a63007ed7e9aba520b10b746b8dc7f71536986017ec99635a93a66

                                • C:\ProgramData\Dllhost\dllhost.exe

                                  Filesize

                                  895KB

                                  MD5

                                  39495116aeea27dc185c09e3858ab643

                                  SHA1

                                  d5202f0b8d3f1391a590becdaac38cf8ea76f8e0

                                  SHA256

                                  2efa86b9d8a116ef4c046ef15fa6cd8ea5ec361b563d9166cb99157bfaf3e0cc

                                  SHA512

                                  5b0ac2f7dc6ade9481744fb9e61d3561934d56e4f849851b341107e65ce0ff2bcb3795a926a63007ed7e9aba520b10b746b8dc7f71536986017ec99635a93a66

                                • 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

                                  7695d8d9e492378a1dbc01721f6c769d

                                  SHA1

                                  2bf0d715daa2e9abb1c89615f923dd8bd8b5b478

                                  SHA256

                                  8865c1d7ac4ae61ce830fedd173dfc38446dcd49330819ce8c74736b75a4aa24

                                  SHA512

                                  8332cb1095dcd8eb5249fd81fe981fe034f1b28952dd52bd3f6f12ab1af67251ed8857c1a5854c3d04d651a6cee4f6177329ffd4693a1c8095bb111791759334

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

                                  Filesize

                                  18KB

                                  MD5

                                  392b32d03fdb22df5df4bb1dce435b9d

                                  SHA1

                                  882e8c7141812ce3cf6a643c326f08717857f764

                                  SHA256

                                  ed2b56f37f0b057d796ba678c9ecf6e196a5069978961d38c6816e16b1c3caf7

                                  SHA512

                                  0b1249f139e45f8f990176058adc72c1ec1c852c354e2786b3ae907feeac5291b6e3a9f0e9a728087a41173cdc5607a5d309b069a2898dc1b7e4f214a744b886

                                • memory/1300-150-0x0000000006F60000-0x0000000006F6A000-memory.dmp

                                  Filesize

                                  40KB

                                • memory/1300-147-0x0000000006170000-0x000000000618E000-memory.dmp

                                  Filesize

                                  120KB

                                • memory/1300-142-0x0000000005440000-0x0000000005462000-memory.dmp

                                  Filesize

                                  136KB

                                • memory/1300-143-0x00000000054E0000-0x0000000005546000-memory.dmp

                                  Filesize

                                  408KB

                                • memory/1300-144-0x0000000005AD0000-0x0000000005AEE000-memory.dmp

                                  Filesize

                                  120KB

                                • memory/1300-145-0x0000000006190000-0x00000000061C2000-memory.dmp

                                  Filesize

                                  200KB

                                • memory/1300-146-0x0000000070C70000-0x0000000070CBC000-memory.dmp

                                  Filesize

                                  304KB

                                • memory/1300-140-0x0000000004630000-0x0000000004666000-memory.dmp

                                  Filesize

                                  216KB

                                • memory/1300-148-0x00000000075A0000-0x0000000007C1A000-memory.dmp

                                  Filesize

                                  6.5MB

                                • memory/1300-149-0x0000000006F20000-0x0000000006F3A000-memory.dmp

                                  Filesize

                                  104KB

                                • memory/1300-151-0x0000000007190000-0x0000000007226000-memory.dmp

                                  Filesize

                                  600KB

                                • memory/1300-152-0x0000000007130000-0x000000000713E000-memory.dmp

                                  Filesize

                                  56KB

                                • memory/1300-153-0x0000000007230000-0x000000000724A000-memory.dmp

                                  Filesize

                                  104KB

                                • memory/1300-154-0x0000000007170000-0x0000000007178000-memory.dmp

                                  Filesize

                                  32KB

                                • memory/1300-141-0x0000000004CE0000-0x0000000005308000-memory.dmp

                                  Filesize

                                  6.2MB

                                • memory/2592-136-0x0000000005340000-0x00000000053A6000-memory.dmp

                                  Filesize

                                  408KB

                                • memory/2592-135-0x00000000050C0000-0x00000000050CA000-memory.dmp

                                  Filesize

                                  40KB

                                • memory/2592-134-0x0000000005100000-0x0000000005192000-memory.dmp

                                  Filesize

                                  584KB

                                • memory/2592-132-0x0000000000660000-0x0000000000708000-memory.dmp

                                  Filesize

                                  672KB

                                • memory/2592-133-0x00000000056B0000-0x0000000005C54000-memory.dmp

                                  Filesize

                                  5.6MB

                                • memory/3360-161-0x0000000070C70000-0x0000000070CBC000-memory.dmp

                                  Filesize

                                  304KB

                                • memory/4984-165-0x0000000000C00000-0x0000000000CB0000-memory.dmp

                                  Filesize

                                  704KB

                                • memory/5016-158-0x0000000070C70000-0x0000000070CBC000-memory.dmp

                                  Filesize

                                  304KB