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
    07-10-2022 11:09

General

  • Target

    e1fba12a5546b904de4fc93828c5cf16a99235805858fe167a8fc5a6a2de637a.exe

  • Size

    732KB

  • MD5

    3478e07cfa125842089608a9cbda7e71

  • SHA1

    32aec054f1d7af21ccc5f07b2b692995c4468683

  • SHA256

    e1fba12a5546b904de4fc93828c5cf16a99235805858fe167a8fc5a6a2de637a

  • SHA512

    63b6b34587268c3fc98a3ae7563e974391a697f30d747095f537a1bd53a1acb036fb038b20023bedc109344f632df0d736f557b8c1f64bb94f83c9852686cc2a

  • 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\e1fba12a5546b904de4fc93828c5cf16a99235805858fe167a8fc5a6a2de637a.exe
    "C:\Users\Admin\AppData\Local\Temp\e1fba12a5546b904de4fc93828c5cf16a99235805858fe167a8fc5a6a2de637a.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:5080
    • C:\Windows\SysWOW64\cmd.exe
      "cmd.exe" /C chcp 1251 & powershell -Command Add-MpPreference -ExclusionPath "$ENV:USERPROFILE\Desktop" & powershell -Command Add-MpPreference -ExclusionPath "C:\ProgramData\Dllhost" & powershell -Command Add-MpPreference -ExclusionPath "C:\ProgramData\HostData"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4508
      • C:\Windows\SysWOW64\chcp.com
        chcp 1251
        3⤵
          PID:4824
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          powershell -Command Add-MpPreference -ExclusionPath "$ENV:USERPROFILE\Desktop"
          3⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2096
        • 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:1148
        • 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:4056
      • 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:4244
        • 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:4332
          • C:\Windows\SysWOW64\schtasks.exe
            SCHTASKS /CREATE /SC HOURLY /TN "SecurityHealthSystray" /TR "C:\ProgramData\Dllhost\dllhost.exe"
            4⤵
            • Creates scheduled task(s)
            PID:3208
        • 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:1028
          • C:\Windows\SysWOW64\schtasks.exe
            SCHTASKS /CREATE /SC HOURLY /TN "WindowsDefender" /TR "C:\ProgramData\Dllhost\dllhost.exe"
            4⤵
            • Creates scheduled task(s)
            PID:8
        • C:\Windows\SysWOW64\cmd.exe
          "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "AntiMalwareServiceExecutable" /TR "C:\ProgramData\Dllhost\dllhost.exe"
          3⤵
            PID:3408
            • C:\Windows\SysWOW64\schtasks.exe
              SCHTASKS /CREATE /SC HOURLY /TN "AntiMalwareServiceExecutable" /TR "C:\ProgramData\Dllhost\dllhost.exe"
              4⤵
              • Creates scheduled task(s)
              PID:4148
          • 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:5056
            • C:\Windows\SysWOW64\schtasks.exe
              SCHTASKS /CREATE /SC HOURLY /TN "WmiPrvSE" /TR "C:\ProgramData\Dllhost\dllhost.exe"
              4⤵
              • Creates scheduled task(s)
              PID:3900
          • C:\Windows\SysWOW64\cmd.exe
            "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "dllhost" /TR "C:\ProgramData\Dllhost\dllhost.exe"
            3⤵
              PID:3148
            • C:\Windows\SysWOW64\cmd.exe
              "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "NvStray" /TR "C:\ProgramData\Dllhost\dllhost.exe"
              3⤵
                PID:3388
                • C:\Windows\SysWOW64\schtasks.exe
                  SCHTASKS /CREATE /SC HOURLY /TN "NvStray" /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 "WindowsDefenderServices\WindowsDefenderServicesService_bk3643" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                3⤵
                • Suspicious use of WriteProcessMemory
                PID:2864
                • C:\Windows\SysWOW64\schtasks.exe
                  SCHTASKS /CREATE /SC HOURLY /TN "WindowsDefenderServices\WindowsDefenderServicesService_bk3643" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                  4⤵
                  • Creates scheduled task(s)
                  PID:4036
              • C:\Windows\SysWOW64\cmd.exe
                "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "MicrosoftUpdateServices\MicrosoftUpdateServicesService_bk9773" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                3⤵
                  PID:4400
                  • C:\Windows\SysWOW64\schtasks.exe
                    SCHTASKS /CREATE /SC HOURLY /TN "MicrosoftUpdateServices\MicrosoftUpdateServicesService_bk9773" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                    4⤵
                    • Creates scheduled task(s)
                    PID:3652
                • C:\Windows\SysWOW64\cmd.exe
                  "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "SettingSysHost\SettingSysHostService_bk7207" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                  3⤵
                    PID:332
                    • C:\Windows\SysWOW64\schtasks.exe
                      SCHTASKS /CREATE /SC HOURLY /TN "SettingSysHost\SettingSysHostService_bk7207" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                      4⤵
                      • Creates scheduled task(s)
                      PID:3076
                  • C:\Windows\SysWOW64\cmd.exe
                    "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "AntiMalwareSericeExecutable\AntiMalwareSericeExecutableService_bk3805" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                    3⤵
                      PID:4940
                      • C:\Windows\SysWOW64\schtasks.exe
                        SCHTASKS /CREATE /SC HOURLY /TN "AntiMalwareSericeExecutable\AntiMalwareSericeExecutableService_bk3805" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                        4⤵
                        • Creates scheduled task(s)
                        PID:4824
                    • C:\Windows\SysWOW64\cmd.exe
                      "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "OneDriveService" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                      3⤵
                        PID:996
                        • C:\Windows\SysWOW64\schtasks.exe
                          SCHTASKS /CREATE /SC HOURLY /TN "OneDriveService" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                          4⤵
                          • Creates scheduled task(s)
                          PID:4436
                      • C:\Windows\SysWOW64\cmd.exe
                        "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "MicrosoftEdgeUpd" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                        3⤵
                          PID:1764
                          • C:\Windows\SysWOW64\schtasks.exe
                            SCHTASKS /CREATE /SC HOURLY /TN "MicrosoftEdgeUpd" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                            4⤵
                            • Creates scheduled task(s)
                            PID:1664
                        • C:\Windows\SysWOW64\cmd.exe
                          "cmd.exe" /c chcp 1251 & C:\ProgramData\Dllhost\winlogson.exe --config msi.bin --log off
                          3⤵
                            PID:4736
                            • C:\Windows\SysWOW64\chcp.com
                              chcp 1251
                              4⤵
                                PID:4380
                            • C:\Windows\SysWOW64\cmd.exe
                              "cmd.exe" /c chcp 1251 & C:\ProgramData\Dllhost\winlogson.exe --config msi.bin --log off
                              3⤵
                                PID:240
                                • C:\Windows\SysWOW64\chcp.com
                                  chcp 1251
                                  4⤵
                                    PID:212
                                • C:\Windows\SysWOW64\cmd.exe
                                  "cmd.exe" /c chcp 1251 & C:\ProgramData\Dllhost\winlogson.exe --config msi.bin --log off
                                  3⤵
                                    PID:2944
                                    • C:\Windows\SysWOW64\chcp.com
                                      chcp 1251
                                      4⤵
                                        PID:4560

                                Network

                                MITRE ATT&CK Enterprise v6

                                Replay Monitor

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                                Downloads

                                • C:\ProgramData\Dllhost\dllhost.exe

                                  Filesize

                                  956KB

                                  MD5

                                  b39431ea7dfa4739e0182dfa37ca6ce7

                                  SHA1

                                  6d65ecfaa08b11ad33231feb72b953b77149b9f1

                                  SHA256

                                  fa2858752c4679c119d5c3bb4b52c77c94e5442c4547632c0c677f9bfb946217

                                  SHA512

                                  05d69e77f46c56c35fdba8f60854c9206a8aa60707e28f5ec87d7ab4b727c2b5aeaaa1a250a9b83ac23fe620195c2ca9b55c05d9705d6f0074013a49ee19bf0c

                                • C:\ProgramData\Dllhost\dllhost.exe

                                  Filesize

                                  956KB

                                  MD5

                                  b39431ea7dfa4739e0182dfa37ca6ce7

                                  SHA1

                                  6d65ecfaa08b11ad33231feb72b953b77149b9f1

                                  SHA256

                                  fa2858752c4679c119d5c3bb4b52c77c94e5442c4547632c0c677f9bfb946217

                                  SHA512

                                  05d69e77f46c56c35fdba8f60854c9206a8aa60707e28f5ec87d7ab4b727c2b5aeaaa1a250a9b83ac23fe620195c2ca9b55c05d9705d6f0074013a49ee19bf0c

                                • 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

                                  2d5b31bee80a34d19e919fd1f40e3bc7

                                  SHA1

                                  5dccdaa161ef815fa0b91b34b3eaf8dfde874fb2

                                  SHA256

                                  c0ad1ecd171cd5f839a1020adad3ace668ad94138e3f47faa3abcf0cf6666f34

                                  SHA512

                                  c0359d8b15a1be51c5085c7a7fd5396c88f840cf19c789f7dae6128a3311f33360abb61564e5464ad911b2fa3cf7cddeb878a291df69e4fea1c7730d04a8c95a

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

                                  Filesize

                                  18KB

                                  MD5

                                  e5455760e5c3762ef4a27bbd97eb8148

                                  SHA1

                                  5c455880afbacd49dc0c5b8b1a7cead26251abd4

                                  SHA256

                                  70c4e8ff350a5150d212a522ae39e70199fa12d1027bab9ca9f6d871d9954d04

                                  SHA512

                                  7bfdc428fb6db64b890410770624baf0bdfc4ba3f0b46ea74a1449e5611dfae34e90dd32f2e252b425bdcf39df152cfaf17700b3e1fcfab758d3c99cc5fb51b0

                                • memory/8-181-0x0000000000000000-mapping.dmp

                                • memory/212-194-0x0000000000000000-mapping.dmp

                                • memory/240-193-0x0000000000000000-mapping.dmp

                                • memory/332-178-0x0000000000000000-mapping.dmp

                                • memory/996-173-0x0000000000000000-mapping.dmp

                                • memory/1028-168-0x0000000000000000-mapping.dmp

                                • memory/1148-156-0x0000000000000000-mapping.dmp

                                • memory/1148-159-0x00000000705B0000-0x00000000705FC000-memory.dmp

                                  Filesize

                                  304KB

                                • memory/1664-183-0x0000000000000000-mapping.dmp

                                • memory/1764-172-0x0000000000000000-mapping.dmp

                                • memory/2096-149-0x0000000007CD0000-0x000000000834A000-memory.dmp

                                  Filesize

                                  6.5MB

                                • memory/2096-147-0x00000000705B0000-0x00000000705FC000-memory.dmp

                                  Filesize

                                  304KB

                                • memory/2096-151-0x00000000076C0000-0x00000000076CA000-memory.dmp

                                  Filesize

                                  40KB

                                • memory/2096-152-0x00000000078E0000-0x0000000007976000-memory.dmp

                                  Filesize

                                  600KB

                                • memory/2096-153-0x0000000007880000-0x000000000788E000-memory.dmp

                                  Filesize

                                  56KB

                                • memory/2096-154-0x0000000007980000-0x000000000799A000-memory.dmp

                                  Filesize

                                  104KB

                                • memory/2096-155-0x00000000078C0000-0x00000000078C8000-memory.dmp

                                  Filesize

                                  32KB

                                • memory/2096-140-0x0000000000000000-mapping.dmp

                                • memory/2096-148-0x00000000068D0000-0x00000000068EE000-memory.dmp

                                  Filesize

                                  120KB

                                • memory/2096-142-0x0000000005570000-0x0000000005B98000-memory.dmp

                                  Filesize

                                  6.2MB

                                • memory/2096-146-0x0000000006940000-0x0000000006972000-memory.dmp

                                  Filesize

                                  200KB

                                • memory/2096-141-0x0000000002D80000-0x0000000002DB6000-memory.dmp

                                  Filesize

                                  216KB

                                • memory/2096-145-0x0000000006330000-0x000000000634E000-memory.dmp

                                  Filesize

                                  120KB

                                • memory/2096-150-0x0000000007650000-0x000000000766A000-memory.dmp

                                  Filesize

                                  104KB

                                • memory/2096-143-0x0000000005470000-0x0000000005492000-memory.dmp

                                  Filesize

                                  136KB

                                • memory/2096-144-0x0000000005C10000-0x0000000005C76000-memory.dmp

                                  Filesize

                                  408KB

                                • memory/2864-175-0x0000000000000000-mapping.dmp

                                • memory/2944-195-0x0000000000000000-mapping.dmp

                                • memory/3076-187-0x0000000000000000-mapping.dmp

                                • memory/3148-171-0x0000000000000000-mapping.dmp

                                • memory/3208-179-0x0000000000000000-mapping.dmp

                                • memory/3388-174-0x0000000000000000-mapping.dmp

                                • memory/3408-170-0x0000000000000000-mapping.dmp

                                • memory/3652-186-0x0000000000000000-mapping.dmp

                                • memory/3900-182-0x0000000000000000-mapping.dmp

                                • memory/4036-180-0x0000000000000000-mapping.dmp

                                • memory/4056-162-0x00000000705B0000-0x00000000705FC000-memory.dmp

                                  Filesize

                                  304KB

                                • memory/4056-160-0x0000000000000000-mapping.dmp

                                • memory/4148-185-0x0000000000000000-mapping.dmp

                                • memory/4244-163-0x0000000000000000-mapping.dmp

                                • memory/4244-166-0x0000000000040000-0x00000000000F0000-memory.dmp

                                  Filesize

                                  704KB

                                • memory/4332-167-0x0000000000000000-mapping.dmp

                                • memory/4380-192-0x0000000000000000-mapping.dmp

                                • memory/4400-177-0x0000000000000000-mapping.dmp

                                • memory/4436-188-0x0000000000000000-mapping.dmp

                                • memory/4508-138-0x0000000000000000-mapping.dmp

                                • memory/4560-196-0x0000000000000000-mapping.dmp

                                • memory/4736-191-0x0000000000000000-mapping.dmp

                                • memory/4824-139-0x0000000000000000-mapping.dmp

                                • memory/4824-189-0x0000000000000000-mapping.dmp

                                • memory/4940-176-0x0000000000000000-mapping.dmp

                                • memory/5056-169-0x0000000000000000-mapping.dmp

                                • memory/5080-136-0x0000000005690000-0x000000000569A000-memory.dmp

                                  Filesize

                                  40KB

                                • memory/5080-137-0x0000000005980000-0x00000000059E6000-memory.dmp

                                  Filesize

                                  408KB

                                • memory/5080-135-0x00000000056C0000-0x0000000005752000-memory.dmp

                                  Filesize

                                  584KB

                                • memory/5080-134-0x0000000005C70000-0x0000000006214000-memory.dmp

                                  Filesize

                                  5.6MB

                                • memory/5080-133-0x0000000000C40000-0x0000000000CE8000-memory.dmp

                                  Filesize

                                  672KB

                                • memory/5112-184-0x0000000000000000-mapping.dmp