Analysis

  • max time kernel
    150s
  • max time network
    139s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/09/2022, 04:33

General

  • Target

    c68e8fb9d36147ab6b1fde372d2e1cf5b6130ba01c7151de6c26bde26440667e.exe

  • Size

    717KB

  • MD5

    434e74d8541af2a5f3a5573a53077e42

  • SHA1

    780bdede9640d95338eca0c7ad8d46d40756fca4

  • SHA256

    c68e8fb9d36147ab6b1fde372d2e1cf5b6130ba01c7151de6c26bde26440667e

  • SHA512

    025e6cdc2cb8b92a2a4b2ed8a13d45e5f25224e88c4c3f85b1ba2ee1aa66a50473b7fae0733ae06df9da18c863e16ea318454044f6e92f3d10c9d80542d08457

  • 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\c68e8fb9d36147ab6b1fde372d2e1cf5b6130ba01c7151de6c26bde26440667e.exe
    "C:\Users\Admin\AppData\Local\Temp\c68e8fb9d36147ab6b1fde372d2e1cf5b6130ba01c7151de6c26bde26440667e.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:540
    • C:\Windows\SysWOW64\cmd.exe
      "cmd.exe" /C chcp 1251 & powershell -Command Add-MpPreference -ExclusionPath "$ENV:USERPROFILE\Desktop" & powershell -Command Add-MpPreference -ExclusionPath "C:\ProgramData\Dllhost" & powershell -Command Add-MpPreference -ExclusionPath "C:\ProgramData\HostData"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3928
      • C:\Windows\SysWOW64\chcp.com
        chcp 1251
        3⤵
          PID:116
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          powershell -Command Add-MpPreference -ExclusionPath "$ENV:USERPROFILE\Desktop"
          3⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:224
        • 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:2724
        • 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:4040
      • 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:4200
        • C:\Windows\SysWOW64\cmd.exe
          "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "SecurityHealthSystray" /TR "C:\ProgramData\Dllhost\dllhost.exe"
          3⤵
            PID:4736
            • C:\Windows\SysWOW64\schtasks.exe
              SCHTASKS /CREATE /SC HOURLY /TN "SecurityHealthSystray" /TR "C:\ProgramData\Dllhost\dllhost.exe"
              4⤵
              • Creates scheduled task(s)
              PID:3568
          • 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:4356
            • C:\Windows\SysWOW64\schtasks.exe
              SCHTASKS /CREATE /SC HOURLY /TN "WindowsDefender" /TR "C:\ProgramData\Dllhost\dllhost.exe"
              4⤵
              • Creates scheduled task(s)
              PID:4512
          • 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:4328
            • C:\Windows\SysWOW64\schtasks.exe
              SCHTASKS /CREATE /SC HOURLY /TN "WmiPrvSE" /TR "C:\ProgramData\Dllhost\dllhost.exe"
              4⤵
              • Creates scheduled task(s)
              PID:1480
          • C:\Windows\SysWOW64\cmd.exe
            "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "AntiMalwareServiceExecutable" /TR "C:\ProgramData\Dllhost\dllhost.exe"
            3⤵
              PID:5104
              • C:\Windows\SysWOW64\schtasks.exe
                SCHTASKS /CREATE /SC HOURLY /TN "AntiMalwareServiceExecutable" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                4⤵
                • Creates scheduled task(s)
                PID:60
            • C:\Windows\SysWOW64\cmd.exe
              "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "dllhost" /TR "C:\ProgramData\Dllhost\dllhost.exe"
              3⤵
                PID:2296
              • C:\Windows\SysWOW64\cmd.exe
                "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "MicrosoftEdgeUpd" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                3⤵
                  PID:2000
                  • C:\Windows\SysWOW64\schtasks.exe
                    SCHTASKS /CREATE /SC HOURLY /TN "MicrosoftEdgeUpd" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                    4⤵
                    • Creates scheduled task(s)
                    PID:4624
                • C:\Windows\SysWOW64\cmd.exe
                  "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "OneDriveService" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                  3⤵
                    PID:4480
                    • C:\Windows\SysWOW64\schtasks.exe
                      SCHTASKS /CREATE /SC HOURLY /TN "OneDriveService" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                      4⤵
                      • Creates scheduled task(s)
                      PID:4976
                  • C:\Windows\SysWOW64\cmd.exe
                    "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "WindowsDefenderServices\WindowsDefenderServicesService_bk1344" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                    3⤵
                    • Suspicious use of WriteProcessMemory
                    PID:4556
                    • C:\Windows\SysWOW64\schtasks.exe
                      SCHTASKS /CREATE /SC HOURLY /TN "WindowsDefenderServices\WindowsDefenderServicesService_bk1344" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                      4⤵
                      • Creates scheduled task(s)
                      PID:1284
                  • C:\Windows\SysWOW64\cmd.exe
                    "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "AntiMalwareSericeExecutable\AntiMalwareSericeExecutableService_bk8517" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                    3⤵
                      PID:1456
                      • C:\Windows\SysWOW64\schtasks.exe
                        SCHTASKS /CREATE /SC HOURLY /TN "AntiMalwareSericeExecutable\AntiMalwareSericeExecutableService_bk8517" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                        4⤵
                        • Creates scheduled task(s)
                        PID:4220
                    • 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:1252
                      • C:\Windows\SysWOW64\schtasks.exe
                        SCHTASKS /CREATE /SC HOURLY /TN "NvStray" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                        4⤵
                        • Creates scheduled task(s)
                        PID:3404
                    • C:\Windows\SysWOW64\cmd.exe
                      "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "MicrosoftUpdateServices\MicrosoftUpdateServicesService_bk1344" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                      3⤵
                        PID:3420
                        • C:\Windows\SysWOW64\schtasks.exe
                          SCHTASKS /CREATE /SC HOURLY /TN "MicrosoftUpdateServices\MicrosoftUpdateServicesService_bk1344" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                          4⤵
                          • Creates scheduled task(s)
                          PID:3664
                      • C:\Windows\SysWOW64\cmd.exe
                        "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "SettingSysHost\SettingSysHostService_bk5982" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                        3⤵
                          PID:4636
                          • C:\Windows\SysWOW64\schtasks.exe
                            SCHTASKS /CREATE /SC HOURLY /TN "SettingSysHost\SettingSysHostService_bk5982" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                            4⤵
                            • Creates scheduled task(s)
                            PID:4960
                        • C:\Windows\SysWOW64\cmd.exe
                          "cmd.exe" /c chcp 1251 & C:\ProgramData\Dllhost\winlogson.exe --config msi.bin --log off
                          3⤵
                            PID:1232
                            • C:\Windows\SysWOW64\chcp.com
                              chcp 1251
                              4⤵
                                PID:2668
                            • C:\Windows\SysWOW64\cmd.exe
                              "cmd.exe" /c chcp 1251 & C:\ProgramData\Dllhost\winlogson.exe --config msi.bin --log off
                              3⤵
                                PID:1904
                                • C:\Windows\SysWOW64\chcp.com
                                  chcp 1251
                                  4⤵
                                    PID:5040
                                • C:\Windows\SysWOW64\cmd.exe
                                  "cmd.exe" /c chcp 1251 & C:\ProgramData\Dllhost\winlogson.exe --config msi.bin --log off
                                  3⤵
                                    PID:3108
                                    • C:\Windows\SysWOW64\chcp.com
                                      chcp 1251
                                      4⤵
                                        PID:3360

                                Network

                                      MITRE ATT&CK Enterprise v6

                                      Replay Monitor

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                                      Downloads

                                      • C:\ProgramData\Dllhost\dllhost.exe

                                        Filesize

                                        892KB

                                        MD5

                                        c7c292d1658dde84e5de840a5b987f82

                                        SHA1

                                        0f82384272b26fbc571583aea280a2afa65260c4

                                        SHA256

                                        a4a7da7ef112cc068aba265c7bc0a737c0f264c6d16324e1250ed8b23b0c0158

                                        SHA512

                                        5336086147b4a6f16a595b246ac091cca5cdd19f61a02064df5b804a0e53afc1a4413592ec7f65ce3005b16c7d1aef1f77bf588dad8437d3dea6510afd080a4c

                                      • C:\ProgramData\Dllhost\dllhost.exe

                                        Filesize

                                        892KB

                                        MD5

                                        c7c292d1658dde84e5de840a5b987f82

                                        SHA1

                                        0f82384272b26fbc571583aea280a2afa65260c4

                                        SHA256

                                        a4a7da7ef112cc068aba265c7bc0a737c0f264c6d16324e1250ed8b23b0c0158

                                        SHA512

                                        5336086147b4a6f16a595b246ac091cca5cdd19f61a02064df5b804a0e53afc1a4413592ec7f65ce3005b16c7d1aef1f77bf588dad8437d3dea6510afd080a4c

                                      • 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

                                        517c5656dee8f2cd6f9568b914d45bdb

                                        SHA1

                                        75e1a100ef767474823a53aa24bc7b612b3a32fe

                                        SHA256

                                        2269f4f0ab0650a0d49ed65e1da36f01b998bfce91941122ea34583907ecb14f

                                        SHA512

                                        a7d6da77c1319ea004fe524f0c6d786a29b090e4ff61cdb82efd6da2e0bb681a5a54f7d5c60d2dc33ee239de11f7274c6f10a5dca02989c22857eaedcd153812

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

                                        Filesize

                                        18KB

                                        MD5

                                        40fd2d14c9f98d43e301f1324337ebca

                                        SHA1

                                        b23d44720afa81bf0dd79875ea1e3a7ec18a16ca

                                        SHA256

                                        7ad3ec2b2553bdbfa1777c705e8d9ad69757dbf20e3452022229da3e4b3af827

                                        SHA512

                                        560b1156bb9a1283ccb027b558f83a7a0c5d8c298c33d9442d01b5a3c09d239916f8ed950468d38d31ac8b20b2c5a5af00b90fa3e1400ef17ec271cf14ad2e40

                                      • memory/224-148-0x0000000007510000-0x0000000007B8A000-memory.dmp

                                        Filesize

                                        6.5MB

                                      • memory/224-151-0x0000000007130000-0x00000000071C6000-memory.dmp

                                        Filesize

                                        600KB

                                      • memory/224-142-0x0000000004BB0000-0x0000000004BD2000-memory.dmp

                                        Filesize

                                        136KB

                                      • memory/224-143-0x0000000004C50000-0x0000000004CB6000-memory.dmp

                                        Filesize

                                        408KB

                                      • memory/224-144-0x0000000005B90000-0x0000000005BAE000-memory.dmp

                                        Filesize

                                        120KB

                                      • memory/224-145-0x0000000006B50000-0x0000000006B82000-memory.dmp

                                        Filesize

                                        200KB

                                      • memory/224-146-0x0000000070A90000-0x0000000070ADC000-memory.dmp

                                        Filesize

                                        304KB

                                      • memory/224-147-0x0000000006130000-0x000000000614E000-memory.dmp

                                        Filesize

                                        120KB

                                      • memory/224-141-0x0000000004D50000-0x0000000005378000-memory.dmp

                                        Filesize

                                        6.2MB

                                      • memory/224-149-0x0000000006EB0000-0x0000000006ECA000-memory.dmp

                                        Filesize

                                        104KB

                                      • memory/224-150-0x0000000006F00000-0x0000000006F0A000-memory.dmp

                                        Filesize

                                        40KB

                                      • memory/224-152-0x00000000070D0000-0x00000000070DE000-memory.dmp

                                        Filesize

                                        56KB

                                      • memory/224-153-0x00000000071D0000-0x00000000071EA000-memory.dmp

                                        Filesize

                                        104KB

                                      • memory/224-154-0x0000000007110000-0x0000000007118000-memory.dmp

                                        Filesize

                                        32KB

                                      • memory/224-140-0x0000000000DC0000-0x0000000000DF6000-memory.dmp

                                        Filesize

                                        216KB

                                      • memory/540-136-0x0000000005360000-0x00000000053C6000-memory.dmp

                                        Filesize

                                        408KB

                                      • memory/540-133-0x0000000005790000-0x0000000005D34000-memory.dmp

                                        Filesize

                                        5.6MB

                                      • memory/540-132-0x00000000006C0000-0x0000000000768000-memory.dmp

                                        Filesize

                                        672KB

                                      • memory/540-134-0x0000000005100000-0x0000000005192000-memory.dmp

                                        Filesize

                                        584KB

                                      • memory/540-135-0x00000000051B0000-0x00000000051BA000-memory.dmp

                                        Filesize

                                        40KB

                                      • memory/2724-158-0x0000000070A90000-0x0000000070ADC000-memory.dmp

                                        Filesize

                                        304KB

                                      • memory/4040-161-0x0000000070A90000-0x0000000070ADC000-memory.dmp

                                        Filesize

                                        304KB

                                      • memory/4200-165-0x00000000004B0000-0x0000000000560000-memory.dmp

                                        Filesize

                                        704KB