Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-10-2022 16:38

General

  • Target

    c98bb553741873e3a5be7dfbff6d6d82bd83278a75b8670bf4dd5de26697dc80.exe

  • Size

    729KB

  • MD5

    62f2ea6c634fea922d639417a3cb928e

  • SHA1

    f25ff28ae2f59f600bbd257225878cf0d239dae6

  • SHA256

    c98bb553741873e3a5be7dfbff6d6d82bd83278a75b8670bf4dd5de26697dc80

  • SHA512

    3bd7fd3bfd1aafcd35b2a5f343783b9cdaad94ef9cd50ede8a8b0166fa1a4c8ccc3bb46059b2eedf25e6afe09bdaa1d7d1ab63ddb4b6291efcf497d4e593a2e6

  • 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\c98bb553741873e3a5be7dfbff6d6d82bd83278a75b8670bf4dd5de26697dc80.exe
    "C:\Users\Admin\AppData\Local\Temp\c98bb553741873e3a5be7dfbff6d6d82bd83278a75b8670bf4dd5de26697dc80.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3688
    • C:\Windows\SysWOW64\cmd.exe
      "cmd.exe" /C chcp 1251 & powershell -Command Add-MpPreference -ExclusionPath "$ENV:USERPROFILE\Desktop" & powershell -Command Add-MpPreference -ExclusionPath "C:\ProgramData\Dllhost" & powershell -Command Add-MpPreference -ExclusionPath "C:\ProgramData\HostData"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4648
      • C:\Windows\SysWOW64\chcp.com
        chcp 1251
        3⤵
          PID:5072
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          powershell -Command Add-MpPreference -ExclusionPath "$ENV:USERPROFILE\Desktop"
          3⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1724
        • 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:1676
        • 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:1856
      • 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:1884
        • 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:636
          • C:\Windows\SysWOW64\schtasks.exe
            SCHTASKS /CREATE /SC HOURLY /TN "SecurityHealthSystray" /TR "C:\ProgramData\Dllhost\dllhost.exe"
            4⤵
            • Creates scheduled task(s)
            PID:640
        • 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:1864
          • C:\Windows\SysWOW64\schtasks.exe
            SCHTASKS /CREATE /SC HOURLY /TN "WindowsDefender" /TR "C:\ProgramData\Dllhost\dllhost.exe"
            4⤵
            • Creates scheduled task(s)
            PID:4868
        • C:\Windows\SysWOW64\cmd.exe
          "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "WmiPrvSE" /TR "C:\ProgramData\Dllhost\dllhost.exe"
          3⤵
            PID:2668
            • C:\Windows\SysWOW64\schtasks.exe
              SCHTASKS /CREATE /SC HOURLY /TN "WmiPrvSE" /TR "C:\ProgramData\Dllhost\dllhost.exe"
              4⤵
              • Creates scheduled task(s)
              PID:2108
          • 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:1860
            • C:\Windows\SysWOW64\schtasks.exe
              SCHTASKS /CREATE /SC HOURLY /TN "AntiMalwareServiceExecutable" /TR "C:\ProgramData\Dllhost\dllhost.exe"
              4⤵
              • Creates scheduled task(s)
              PID:1372
          • C:\Windows\SysWOW64\cmd.exe
            "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "dllhost" /TR "C:\ProgramData\Dllhost\dllhost.exe"
            3⤵
              PID:4160
              • C:\Windows\SysWOW64\schtasks.exe
                SCHTASKS /CREATE /SC HOURLY /TN "dllhost" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                4⤵
                • Creates scheduled task(s)
                PID:2168
            • C:\Windows\SysWOW64\cmd.exe
              "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "MicrosoftEdgeUpd" /TR "C:\ProgramData\Dllhost\dllhost.exe"
              3⤵
                PID:4056
                • C:\Windows\SysWOW64\schtasks.exe
                  SCHTASKS /CREATE /SC HOURLY /TN "MicrosoftEdgeUpd" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                  4⤵
                  • Creates scheduled task(s)
                  PID:4152
              • C:\Windows\SysWOW64\cmd.exe
                "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "WindowsDefenderServices\WindowsDefenderServicesService_bk8431" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                3⤵
                  PID:3972
                  • C:\Windows\SysWOW64\schtasks.exe
                    SCHTASKS /CREATE /SC HOURLY /TN "WindowsDefenderServices\WindowsDefenderServicesService_bk8431" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                    4⤵
                    • Creates scheduled task(s)
                    PID:2232
                • C:\Windows\SysWOW64\cmd.exe
                  "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "AntiMalwareSericeExecutable\AntiMalwareSericeExecutableService_bk2615" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                  3⤵
                    PID:2044
                    • C:\Windows\SysWOW64\schtasks.exe
                      SCHTASKS /CREATE /SC HOURLY /TN "AntiMalwareSericeExecutable\AntiMalwareSericeExecutableService_bk2615" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                      4⤵
                      • Creates scheduled task(s)
                      PID:1016
                  • C:\Windows\SysWOW64\cmd.exe
                    "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "MicrosoftUpdateServices\MicrosoftUpdateServicesService_bk2695" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                    3⤵
                      PID:512
                    • 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:1536
                      • C:\Windows\SysWOW64\schtasks.exe
                        SCHTASKS /CREATE /SC HOURLY /TN "NvStray" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                        4⤵
                        • Creates scheduled task(s)
                        PID:3896
                    • C:\Windows\SysWOW64\cmd.exe
                      "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "OneDriveService" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                      3⤵
                        PID:1528
                        • C:\Windows\SysWOW64\schtasks.exe
                          SCHTASKS /CREATE /SC HOURLY /TN "OneDriveService" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                          4⤵
                          • Creates scheduled task(s)
                          PID:1272
                      • C:\Windows\SysWOW64\cmd.exe
                        "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "SettingSysHost\SettingSysHostService_bk5389" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                        3⤵
                          PID:696
                          • C:\Windows\SysWOW64\schtasks.exe
                            SCHTASKS /CREATE /SC HOURLY /TN "SettingSysHost\SettingSysHostService_bk5389" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                            4⤵
                            • Creates scheduled task(s)
                            PID:2848
                        • C:\Windows\SysWOW64\cmd.exe
                          "cmd.exe" /c chcp 1251 & C:\ProgramData\Dllhost\winlogson.exe --config msi.bin --log off
                          3⤵
                            PID:4396
                            • C:\Windows\SysWOW64\chcp.com
                              chcp 1251
                              4⤵
                                PID:3908
                            • C:\Windows\SysWOW64\cmd.exe
                              "cmd.exe" /c chcp 1251 & C:\ProgramData\Dllhost\winlogson.exe --config msi.bin --log off
                              3⤵
                                PID:5036
                                • C:\Windows\SysWOW64\chcp.com
                                  chcp 1251
                                  4⤵
                                    PID:1816
                                • C:\Windows\SysWOW64\cmd.exe
                                  "cmd.exe" /c chcp 1251 & C:\ProgramData\Dllhost\winlogson.exe --config msi.bin --log off
                                  3⤵
                                    PID:3812
                                    • C:\Windows\SysWOW64\chcp.com
                                      chcp 1251
                                      4⤵
                                        PID:4852

                                Network

                                MITRE ATT&CK Enterprise v6

                                Replay Monitor

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                                Downloads

                                • C:\ProgramData\Dllhost\dllhost.exe

                                  Filesize

                                  941KB

                                  MD5

                                  296163caf077ab191581cc22da9f19f8

                                  SHA1

                                  39d97b720da4e32318a1e963866ad75f9b65d45a

                                  SHA256

                                  4cdf4a52e8073d668cc2ac2be0c0a032b22924877c228a2746f3b2dd2cbad8cf

                                  SHA512

                                  c9ddfc253761515fdc9726ba5b50cdbcf5ffa2520c3c44968e30cc7021de9d7373e0507a42d9b93d92b43f91f266124bb614354b62f74ce4f46bdbf53d87bcd5

                                • C:\ProgramData\Dllhost\dllhost.exe

                                  Filesize

                                  941KB

                                  MD5

                                  296163caf077ab191581cc22da9f19f8

                                  SHA1

                                  39d97b720da4e32318a1e963866ad75f9b65d45a

                                  SHA256

                                  4cdf4a52e8073d668cc2ac2be0c0a032b22924877c228a2746f3b2dd2cbad8cf

                                  SHA512

                                  c9ddfc253761515fdc9726ba5b50cdbcf5ffa2520c3c44968e30cc7021de9d7373e0507a42d9b93d92b43f91f266124bb614354b62f74ce4f46bdbf53d87bcd5

                                • 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

                                  97df62a788d56b467151fbeb012d23a4

                                  SHA1

                                  21579b8b49a525f7cecf47386e197b5c8af5f015

                                  SHA256

                                  236a5c72be1a4a0a0c6cd8632b3494a956693c74e9d54b29975d82068aafe5d9

                                  SHA512

                                  d28d19aa794fef68a786b440e2665e0927fd0565a515b54db0183af4ab63680c95ce2f5b064a74a8a93d043a8448579fc3486ed98ccd51c760444aac253d8173

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

                                  Filesize

                                  18KB

                                  MD5

                                  e809b19a838b020852061109598c35e5

                                  SHA1

                                  230b5bc9ec0be3d3545434f420b67bac2303e00c

                                  SHA256

                                  71596bd54fe8fa339a1edc7f32d9d80e22ddc13df64603b343805c54400ddcec

                                  SHA512

                                  b06d7b678d4c26b3989c42eaf9c9427667219f7feaf529fd7de3911d9e3378be3c5e74e55fe25b9e06dd3729bfe167f923c452f1a255b10c260143fa5a5f9e5c

                                • memory/1676-161-0x0000000070950000-0x000000007099C000-memory.dmp

                                  Filesize

                                  304KB

                                • memory/1724-151-0x0000000007D10000-0x000000000838A000-memory.dmp

                                  Filesize

                                  6.5MB

                                • memory/1724-148-0x0000000006940000-0x0000000006972000-memory.dmp

                                  Filesize

                                  200KB

                                • memory/1724-154-0x0000000007930000-0x00000000079C6000-memory.dmp

                                  Filesize

                                  600KB

                                • memory/1724-155-0x00000000078D0000-0x00000000078DE000-memory.dmp

                                  Filesize

                                  56KB

                                • memory/1724-156-0x00000000079D0000-0x00000000079EA000-memory.dmp

                                  Filesize

                                  104KB

                                • memory/1724-157-0x0000000007910000-0x0000000007918000-memory.dmp

                                  Filesize

                                  32KB

                                • memory/1724-152-0x00000000076B0000-0x00000000076CA000-memory.dmp

                                  Filesize

                                  104KB

                                • memory/1724-143-0x0000000002DA0000-0x0000000002DD6000-memory.dmp

                                  Filesize

                                  216KB

                                • memory/1724-150-0x0000000006920000-0x000000000693E000-memory.dmp

                                  Filesize

                                  120KB

                                • memory/1724-149-0x0000000070950000-0x000000007099C000-memory.dmp

                                  Filesize

                                  304KB

                                • memory/1724-153-0x0000000007700000-0x000000000770A000-memory.dmp

                                  Filesize

                                  40KB

                                • memory/1724-144-0x00000000054E0000-0x0000000005B08000-memory.dmp

                                  Filesize

                                  6.2MB

                                • memory/1724-145-0x00000000054B0000-0x00000000054D2000-memory.dmp

                                  Filesize

                                  136KB

                                • memory/1724-147-0x0000000006380000-0x000000000639E000-memory.dmp

                                  Filesize

                                  120KB

                                • memory/1724-146-0x0000000005CB0000-0x0000000005D16000-memory.dmp

                                  Filesize

                                  408KB

                                • memory/1856-164-0x0000000070950000-0x000000007099C000-memory.dmp

                                  Filesize

                                  304KB

                                • memory/1884-168-0x0000000000340000-0x00000000003F0000-memory.dmp

                                  Filesize

                                  704KB

                                • memory/3688-135-0x0000000000FC0000-0x0000000001068000-memory.dmp

                                  Filesize

                                  672KB

                                • memory/3688-136-0x0000000005FC0000-0x0000000006564000-memory.dmp

                                  Filesize

                                  5.6MB

                                • memory/3688-137-0x0000000005AB0000-0x0000000005B42000-memory.dmp

                                  Filesize

                                  584KB

                                • memory/3688-138-0x0000000005A20000-0x0000000005A2A000-memory.dmp

                                  Filesize

                                  40KB

                                • memory/3688-139-0x0000000005C80000-0x0000000005CE6000-memory.dmp

                                  Filesize

                                  408KB