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Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows10-1703_x64
  • resource
    win10-20220901-en
  • resource tags

    arch:x64arch:x86image:win10-20220901-enlocale:en-usos:windows10-1703-x64system
  • submitted
    12/09/2022, 18:48

General

  • Target

    37fd86fa51331f73653b36781bc3aa49ee4a274ab7e95a7b8a9a4baebf7482d7.exe

  • Size

    716KB

  • MD5

    55b58a200828514b383fdf4ba2b04397

  • SHA1

    0df428af82fedc30cb37ee41ec01abfb8211bb77

  • SHA256

    37fd86fa51331f73653b36781bc3aa49ee4a274ab7e95a7b8a9a4baebf7482d7

  • SHA512

    fd1e958336b0d91c7ab1ed910d14b178f4206597fd95849bdc7dbdfac513e3281516b848dfac3ffe62a1c78de076ab9fbb546822a363e837887d5b37f2ff968f

  • 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
  • Creates scheduled task(s) 1 TTPs 4 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\37fd86fa51331f73653b36781bc3aa49ee4a274ab7e95a7b8a9a4baebf7482d7.exe
    "C:\Users\Admin\AppData\Local\Temp\37fd86fa51331f73653b36781bc3aa49ee4a274ab7e95a7b8a9a4baebf7482d7.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4944
    • C:\Windows\SysWOW64\cmd.exe
      "cmd.exe" /C chcp 1251 & powershell -Command Add-MpPreference -ExclusionPath "$ENV:USERPROFILE\Desktop" & powershell -Command Add-MpPreference -ExclusionPath "C:\ProgramData\Dllhost" & powershell -Command Add-MpPreference -ExclusionPath "C:\ProgramData\HostData"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1696
      • C:\Windows\SysWOW64\chcp.com
        chcp 1251
        3⤵
          PID:2784
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          powershell -Command Add-MpPreference -ExclusionPath "$ENV:USERPROFILE\Desktop"
          3⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:3604
        • 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:1644
      • 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:4656
        • 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:5040
          • C:\Windows\SysWOW64\schtasks.exe
            SCHTASKS /CREATE /SC HOURLY /TN "SecurityHealthSystray" /TR "C:\ProgramData\Dllhost\dllhost.exe"
            4⤵
            • Creates scheduled task(s)
            PID:2192
        • 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:4428
          • C:\Windows\SysWOW64\schtasks.exe
            SCHTASKS /CREATE /SC HOURLY /TN "WindowsDefender" /TR "C:\ProgramData\Dllhost\dllhost.exe"
            4⤵
            • Creates scheduled task(s)
            PID:4172
        • C:\Windows\SysWOW64\cmd.exe
          "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "WmiPrvSE" /TR "C:\ProgramData\Dllhost\dllhost.exe"
          3⤵
            PID:2136
          • 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:2324
            • C:\Windows\SysWOW64\schtasks.exe
              SCHTASKS /CREATE /SC HOURLY /TN "AntiMalwareServiceExecutable" /TR "C:\ProgramData\Dllhost\dllhost.exe"
              4⤵
              • Creates scheduled task(s)
              PID:392
          • C:\Windows\SysWOW64\cmd.exe
            "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "dllhost" /TR "C:\ProgramData\Dllhost\dllhost.exe"
            3⤵
              PID:336
            • C:\Windows\SysWOW64\cmd.exe
              "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "MicrosoftEdgeUpd" /TR "C:\ProgramData\Dllhost\dllhost.exe"
              3⤵
                PID:5092
              • C:\Windows\SysWOW64\cmd.exe
                "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "WindowsDefenderServices\WindowsDefenderServicesService_bk2424" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                3⤵
                  PID:4308
                • 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:868
                  • C:\Windows\SysWOW64\schtasks.exe
                    SCHTASKS /CREATE /SC HOURLY /TN "NvStray" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                    4⤵
                    • Creates scheduled task(s)
                    PID:4144
                • C:\Windows\SysWOW64\cmd.exe
                  "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "AntiMalwareSericeExecutable\AntiMalwareSericeExecutableService_bk4331" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                  3⤵
                    PID:4756
                  • C:\Windows\SysWOW64\cmd.exe
                    "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "SettingSysHost\SettingSysHostService_bk6618" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                    3⤵
                      PID:3092
                    • C:\Windows\SysWOW64\cmd.exe
                      "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "MicrosoftUpdateServices\MicrosoftUpdateServicesService_bk8393" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                      3⤵
                        PID:324
                      • C:\Windows\SysWOW64\cmd.exe
                        "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "OneDriveService" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                        3⤵
                          PID:2908
                        • C:\Windows\SysWOW64\cmd.exe
                          "cmd.exe" /c chcp 1251 & C:\ProgramData\Dllhost\winlogson.exe --config msi.bin --log off
                          3⤵
                            PID:4016
                            • C:\Windows\SysWOW64\chcp.com
                              chcp 1251
                              4⤵
                                PID:68
                            • C:\Windows\SysWOW64\cmd.exe
                              "cmd.exe" /c chcp 1251 & C:\ProgramData\Dllhost\winlogson.exe --config msi.bin --log off
                              3⤵
                                PID:612
                                • C:\Windows\SysWOW64\chcp.com
                                  chcp 1251
                                  4⤵
                                    PID:4048
                                • C:\Windows\SysWOW64\cmd.exe
                                  "cmd.exe" /c chcp 1251 & C:\ProgramData\Dllhost\winlogson.exe --config msi.bin --log off
                                  3⤵
                                    PID:4864
                                    • C:\Windows\SysWOW64\chcp.com
                                      chcp 1251
                                      4⤵
                                        PID:3980

                                Network

                                MITRE ATT&CK Enterprise v6

                                Replay Monitor

                                Loading Replay Monitor...

                                Downloads

                                • C:\ProgramData\Dllhost\dllhost.exe

                                  Filesize

                                  892KB

                                  MD5

                                  7e998eeb0b57959dbbff4e2cff8f2525

                                  SHA1

                                  f7b6f2a85bd93f11cd4e65832aca3d8f0c4ecbbb

                                  SHA256

                                  a0c5897d048b579b59761ba271ff3d27f6ab37504e16a3ef23bd4e386828dd2c

                                  SHA512

                                  17d83c5a9d511a2a350dbedf7c25f7b2444d0093b95d753d477ae1a201dc448c394b729e67656b0fec8730529acf63d5d42676cef66b29db6eb9a1caab77bc46

                                • C:\ProgramData\Dllhost\dllhost.exe

                                  Filesize

                                  892KB

                                  MD5

                                  7e998eeb0b57959dbbff4e2cff8f2525

                                  SHA1

                                  f7b6f2a85bd93f11cd4e65832aca3d8f0c4ecbbb

                                  SHA256

                                  a0c5897d048b579b59761ba271ff3d27f6ab37504e16a3ef23bd4e386828dd2c

                                  SHA512

                                  17d83c5a9d511a2a350dbedf7c25f7b2444d0093b95d753d477ae1a201dc448c394b729e67656b0fec8730529acf63d5d42676cef66b29db6eb9a1caab77bc46

                                • 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

                                  1c19c16e21c97ed42d5beabc93391fc5

                                  SHA1

                                  8ad83f8e0b3acf8dfbbf87931e41f0d664c4df68

                                  SHA256

                                  1bcd97396c83babfe6c5068ba590d7a3f8b70e72955a9d1e4070648e404cbf05

                                  SHA512

                                  7d18776d8f649b3d29c182ff03efc6cea8b527542ee55304980f24577aae8b64e37044407776e220984346c3998ace5f8853afa58c8b38407482a728e9495e0c

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

                                  Filesize

                                  18KB

                                  MD5

                                  5ef1b7926b29ea4031d1564f6f1b94ff

                                  SHA1

                                  15e2a10801397c2a255b750ba8c9803a006e5664

                                  SHA256

                                  4647af1cbf65e9dfcc58082fb6616523c71924bcffe4f3c721fe8ac4fd33654d

                                  SHA512

                                  22b6c1e0eb66c29dbbd7bc6a49188ed4d29f29d5b4e35e25020eea4de1988e4e84eb1adc136ee69cb02014aad142173b27c63f51e3d2758632cf3c397bfe1906

                                • memory/1696-178-0x0000000077D50000-0x0000000077EDE000-memory.dmp

                                  Filesize

                                  1.6MB

                                • memory/1696-179-0x0000000077D50000-0x0000000077EDE000-memory.dmp

                                  Filesize

                                  1.6MB

                                • memory/1696-177-0x0000000077D50000-0x0000000077EDE000-memory.dmp

                                  Filesize

                                  1.6MB

                                • memory/1696-180-0x0000000077D50000-0x0000000077EDE000-memory.dmp

                                  Filesize

                                  1.6MB

                                • memory/1696-181-0x0000000077D50000-0x0000000077EDE000-memory.dmp

                                  Filesize

                                  1.6MB

                                • memory/2784-184-0x0000000077D50000-0x0000000077EDE000-memory.dmp

                                  Filesize

                                  1.6MB

                                • memory/2784-186-0x0000000077D50000-0x0000000077EDE000-memory.dmp

                                  Filesize

                                  1.6MB

                                • memory/2784-187-0x0000000077D50000-0x0000000077EDE000-memory.dmp

                                  Filesize

                                  1.6MB

                                • memory/2784-183-0x0000000077D50000-0x0000000077EDE000-memory.dmp

                                  Filesize

                                  1.6MB

                                • memory/2784-185-0x0000000077D50000-0x0000000077EDE000-memory.dmp

                                  Filesize

                                  1.6MB

                                • memory/2784-188-0x0000000077D50000-0x0000000077EDE000-memory.dmp

                                  Filesize

                                  1.6MB

                                • memory/2784-189-0x0000000077D50000-0x0000000077EDE000-memory.dmp

                                  Filesize

                                  1.6MB

                                • memory/3604-191-0x0000000077D50000-0x0000000077EDE000-memory.dmp

                                  Filesize

                                  1.6MB

                                • memory/3604-231-0x0000000007970000-0x0000000007F98000-memory.dmp

                                  Filesize

                                  6.2MB

                                • memory/3604-505-0x0000000009D60000-0x0000000009D7A000-memory.dmp

                                  Filesize

                                  104KB

                                • memory/3604-298-0x0000000009CB0000-0x0000000009D55000-memory.dmp

                                  Filesize

                                  660KB

                                • memory/3604-289-0x0000000009A90000-0x0000000009AAE000-memory.dmp

                                  Filesize

                                  120KB

                                • memory/3604-288-0x0000000009AD0000-0x0000000009B03000-memory.dmp

                                  Filesize

                                  204KB

                                • memory/3604-510-0x0000000009B90000-0x0000000009B98000-memory.dmp

                                  Filesize

                                  32KB

                                • memory/3604-275-0x0000000008930000-0x00000000089A6000-memory.dmp

                                  Filesize

                                  472KB

                                • memory/3604-271-0x0000000008B80000-0x0000000008BCB000-memory.dmp

                                  Filesize

                                  300KB

                                • memory/3604-270-0x0000000008220000-0x000000000823C000-memory.dmp

                                  Filesize

                                  112KB

                                • memory/3604-267-0x0000000008340000-0x0000000008690000-memory.dmp

                                  Filesize

                                  3.3MB

                                • memory/3604-264-0x0000000008010000-0x0000000008076000-memory.dmp

                                  Filesize

                                  408KB

                                • memory/3604-259-0x0000000007920000-0x0000000007942000-memory.dmp

                                  Filesize

                                  136KB

                                • memory/3604-302-0x0000000009E00000-0x0000000009E94000-memory.dmp

                                  Filesize

                                  592KB

                                • memory/3604-226-0x0000000004ED0000-0x0000000004F06000-memory.dmp

                                  Filesize

                                  216KB

                                • memory/4656-739-0x0000000000BF0000-0x0000000000CA0000-memory.dmp

                                  Filesize

                                  704KB

                                • memory/4944-153-0x00000000004C0000-0x0000000000568000-memory.dmp

                                  Filesize

                                  672KB

                                • memory/4944-131-0x0000000077D50000-0x0000000077EDE000-memory.dmp

                                  Filesize

                                  1.6MB

                                • memory/4944-175-0x0000000005000000-0x0000000005066000-memory.dmp

                                  Filesize

                                  408KB

                                • memory/4944-174-0x0000000004DB0000-0x0000000004DBA000-memory.dmp

                                  Filesize

                                  40KB

                                • memory/4944-172-0x0000000077D50000-0x0000000077EDE000-memory.dmp

                                  Filesize

                                  1.6MB

                                • memory/4944-133-0x0000000077D50000-0x0000000077EDE000-memory.dmp

                                  Filesize

                                  1.6MB

                                • memory/4944-157-0x0000000005240000-0x000000000573E000-memory.dmp

                                  Filesize

                                  5.0MB

                                • memory/4944-173-0x0000000077D50000-0x0000000077EDE000-memory.dmp

                                  Filesize

                                  1.6MB

                                • memory/4944-171-0x0000000077D50000-0x0000000077EDE000-memory.dmp

                                  Filesize

                                  1.6MB

                                • memory/4944-170-0x0000000077D50000-0x0000000077EDE000-memory.dmp

                                  Filesize

                                  1.6MB

                                • memory/4944-169-0x0000000077D50000-0x0000000077EDE000-memory.dmp

                                  Filesize

                                  1.6MB

                                • memory/4944-168-0x0000000077D50000-0x0000000077EDE000-memory.dmp

                                  Filesize

                                  1.6MB

                                • memory/4944-167-0x0000000077D50000-0x0000000077EDE000-memory.dmp

                                  Filesize

                                  1.6MB

                                • memory/4944-166-0x0000000077D50000-0x0000000077EDE000-memory.dmp

                                  Filesize

                                  1.6MB

                                • memory/4944-165-0x0000000077D50000-0x0000000077EDE000-memory.dmp

                                  Filesize

                                  1.6MB

                                • memory/4944-164-0x0000000077D50000-0x0000000077EDE000-memory.dmp

                                  Filesize

                                  1.6MB

                                • memory/4944-163-0x0000000077D50000-0x0000000077EDE000-memory.dmp

                                  Filesize

                                  1.6MB

                                • memory/4944-162-0x0000000077D50000-0x0000000077EDE000-memory.dmp

                                  Filesize

                                  1.6MB

                                • memory/4944-161-0x0000000077D50000-0x0000000077EDE000-memory.dmp

                                  Filesize

                                  1.6MB

                                • memory/4944-160-0x0000000077D50000-0x0000000077EDE000-memory.dmp

                                  Filesize

                                  1.6MB

                                • memory/4944-159-0x0000000077D50000-0x0000000077EDE000-memory.dmp

                                  Filesize

                                  1.6MB

                                • memory/4944-158-0x0000000004DE0000-0x0000000004E72000-memory.dmp

                                  Filesize

                                  584KB

                                • memory/4944-156-0x0000000077D50000-0x0000000077EDE000-memory.dmp

                                  Filesize

                                  1.6MB

                                • memory/4944-155-0x0000000077D50000-0x0000000077EDE000-memory.dmp

                                  Filesize

                                  1.6MB

                                • memory/4944-154-0x0000000077D50000-0x0000000077EDE000-memory.dmp

                                  Filesize

                                  1.6MB

                                • memory/4944-152-0x0000000077D50000-0x0000000077EDE000-memory.dmp

                                  Filesize

                                  1.6MB

                                • memory/4944-151-0x0000000077D50000-0x0000000077EDE000-memory.dmp

                                  Filesize

                                  1.6MB

                                • memory/4944-150-0x0000000077D50000-0x0000000077EDE000-memory.dmp

                                  Filesize

                                  1.6MB

                                • memory/4944-132-0x0000000077D50000-0x0000000077EDE000-memory.dmp

                                  Filesize

                                  1.6MB

                                • memory/4944-120-0x0000000077D50000-0x0000000077EDE000-memory.dmp

                                  Filesize

                                  1.6MB

                                • memory/4944-130-0x0000000077D50000-0x0000000077EDE000-memory.dmp

                                  Filesize

                                  1.6MB

                                • memory/4944-149-0x0000000077D50000-0x0000000077EDE000-memory.dmp

                                  Filesize

                                  1.6MB

                                • memory/4944-129-0x0000000077D50000-0x0000000077EDE000-memory.dmp

                                  Filesize

                                  1.6MB

                                • memory/4944-128-0x0000000077D50000-0x0000000077EDE000-memory.dmp

                                  Filesize

                                  1.6MB

                                • memory/4944-148-0x0000000077D50000-0x0000000077EDE000-memory.dmp

                                  Filesize

                                  1.6MB

                                • memory/4944-134-0x0000000077D50000-0x0000000077EDE000-memory.dmp

                                  Filesize

                                  1.6MB

                                • memory/4944-147-0x0000000077D50000-0x0000000077EDE000-memory.dmp

                                  Filesize

                                  1.6MB

                                • memory/4944-146-0x0000000077D50000-0x0000000077EDE000-memory.dmp

                                  Filesize

                                  1.6MB

                                • memory/4944-127-0x0000000077D50000-0x0000000077EDE000-memory.dmp

                                  Filesize

                                  1.6MB

                                • memory/4944-135-0x0000000077D50000-0x0000000077EDE000-memory.dmp

                                  Filesize

                                  1.6MB

                                • memory/4944-145-0x0000000077D50000-0x0000000077EDE000-memory.dmp

                                  Filesize

                                  1.6MB

                                • memory/4944-144-0x0000000077D50000-0x0000000077EDE000-memory.dmp

                                  Filesize

                                  1.6MB

                                • memory/4944-143-0x0000000077D50000-0x0000000077EDE000-memory.dmp

                                  Filesize

                                  1.6MB

                                • memory/4944-126-0x0000000077D50000-0x0000000077EDE000-memory.dmp

                                  Filesize

                                  1.6MB

                                • memory/4944-125-0x0000000077D50000-0x0000000077EDE000-memory.dmp

                                  Filesize

                                  1.6MB

                                • memory/4944-142-0x0000000077D50000-0x0000000077EDE000-memory.dmp

                                  Filesize

                                  1.6MB

                                • memory/4944-141-0x0000000077D50000-0x0000000077EDE000-memory.dmp

                                  Filesize

                                  1.6MB

                                • memory/4944-140-0x0000000077D50000-0x0000000077EDE000-memory.dmp

                                  Filesize

                                  1.6MB

                                • memory/4944-124-0x0000000077D50000-0x0000000077EDE000-memory.dmp

                                  Filesize

                                  1.6MB

                                • memory/4944-139-0x0000000077D50000-0x0000000077EDE000-memory.dmp

                                  Filesize

                                  1.6MB

                                • memory/4944-138-0x0000000077D50000-0x0000000077EDE000-memory.dmp

                                  Filesize

                                  1.6MB

                                • memory/4944-123-0x0000000077D50000-0x0000000077EDE000-memory.dmp

                                  Filesize

                                  1.6MB

                                • memory/4944-137-0x0000000077D50000-0x0000000077EDE000-memory.dmp

                                  Filesize

                                  1.6MB

                                • memory/4944-122-0x0000000077D50000-0x0000000077EDE000-memory.dmp

                                  Filesize

                                  1.6MB

                                • memory/4944-121-0x0000000077D50000-0x0000000077EDE000-memory.dmp

                                  Filesize

                                  1.6MB

                                • memory/4944-136-0x0000000077D50000-0x0000000077EDE000-memory.dmp

                                  Filesize

                                  1.6MB