Analysis

  • max time kernel
    150s
  • max time network
    146s
  • 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, 18:42

General

  • Target

    dc6b80fea2aa23d4dcfe0a8ff31f8af66f3dbb58764e7ada2817322135863517.exe

  • Size

    732KB

  • MD5

    aef94bb27510b5dfeb93997762bad915

  • SHA1

    ce3e97a1f78329473e5d67228a4174c33f4522b3

  • SHA256

    dc6b80fea2aa23d4dcfe0a8ff31f8af66f3dbb58764e7ada2817322135863517

  • SHA512

    2ad3817c9994ff6e52c091e51784858a513dbe92948c8287424fb9afa4368277e51e6a1bf9ef117ebb5c801eb2a6269105c65dca070f72ee26ab8a611cfb90be

  • 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\dc6b80fea2aa23d4dcfe0a8ff31f8af66f3dbb58764e7ada2817322135863517.exe
    "C:\Users\Admin\AppData\Local\Temp\dc6b80fea2aa23d4dcfe0a8ff31f8af66f3dbb58764e7ada2817322135863517.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4676
    • C:\Windows\SysWOW64\cmd.exe
      "cmd.exe" /C chcp 1251 & powershell -Command Add-MpPreference -ExclusionPath "$ENV:USERPROFILE\Desktop" & powershell -Command Add-MpPreference -ExclusionPath "C:\ProgramData\Dllhost" & powershell -Command Add-MpPreference -ExclusionPath "C:\ProgramData\HostData"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4944
      • C:\Windows\SysWOW64\chcp.com
        chcp 1251
        3⤵
          PID:4196
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          powershell -Command Add-MpPreference -ExclusionPath "$ENV:USERPROFILE\Desktop"
          3⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:4084
        • 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:2708
        • 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:112
      • 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:3416
        • C:\Windows\SysWOW64\cmd.exe
          "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "SecurityHealthSystray" /TR "C:\ProgramData\Dllhost\dllhost.exe"
          3⤵
            PID:2692
            • C:\Windows\SysWOW64\schtasks.exe
              SCHTASKS /CREATE /SC HOURLY /TN "SecurityHealthSystray" /TR "C:\ProgramData\Dllhost\dllhost.exe"
              4⤵
              • Creates scheduled task(s)
              PID:1872
          • C:\Windows\SysWOW64\cmd.exe
            "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "WindowsDefender" /TR "C:\ProgramData\Dllhost\dllhost.exe"
            3⤵
              PID:4612
              • C:\Windows\SysWOW64\schtasks.exe
                SCHTASKS /CREATE /SC HOURLY /TN "WindowsDefender" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                4⤵
                • Creates scheduled task(s)
                PID:1156
            • 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:4472
              • C:\Windows\SysWOW64\schtasks.exe
                SCHTASKS /CREATE /SC HOURLY /TN "WmiPrvSE" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                4⤵
                • Creates scheduled task(s)
                PID:4056
            • 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:4456
              • C:\Windows\SysWOW64\schtasks.exe
                SCHTASKS /CREATE /SC HOURLY /TN "AntiMalwareServiceExecutable" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                4⤵
                • Creates scheduled task(s)
                PID:1980
            • C:\Windows\SysWOW64\cmd.exe
              "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "dllhost" /TR "C:\ProgramData\Dllhost\dllhost.exe"
              3⤵
                PID:4396
                • C:\Windows\SysWOW64\schtasks.exe
                  SCHTASKS /CREATE /SC HOURLY /TN "dllhost" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                  4⤵
                  • Creates scheduled task(s)
                  PID:2452
              • C:\Windows\SysWOW64\cmd.exe
                "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "MicrosoftEdgeUpd" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                3⤵
                • Suspicious use of WriteProcessMemory
                PID:1500
                • C:\Windows\SysWOW64\schtasks.exe
                  SCHTASKS /CREATE /SC HOURLY /TN "MicrosoftEdgeUpd" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                  4⤵
                  • Creates scheduled task(s)
                  PID:2116
              • C:\Windows\SysWOW64\cmd.exe
                "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "OneDriveService" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                3⤵
                  PID:3152
                  • C:\Windows\SysWOW64\schtasks.exe
                    SCHTASKS /CREATE /SC HOURLY /TN "OneDriveService" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                    4⤵
                    • Creates scheduled task(s)
                    PID:3972
                • C:\Windows\SysWOW64\cmd.exe
                  "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "NvStray" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                  3⤵
                    PID:4884
                  • C:\Windows\SysWOW64\cmd.exe
                    "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "WindowsDefenderServices\WindowsDefenderServicesService_bk4885" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                    3⤵
                      PID:3100
                      • C:\Windows\SysWOW64\schtasks.exe
                        SCHTASKS /CREATE /SC HOURLY /TN "WindowsDefenderServices\WindowsDefenderServicesService_bk4885" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                        4⤵
                        • Creates scheduled task(s)
                        PID:880
                    • C:\Windows\SysWOW64\cmd.exe
                      "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "AntiMalwareSericeExecutable\AntiMalwareSericeExecutableService_bk4008" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                      3⤵
                      • Suspicious use of WriteProcessMemory
                      PID:312
                      • C:\Windows\SysWOW64\schtasks.exe
                        SCHTASKS /CREATE /SC HOURLY /TN "AntiMalwareSericeExecutable\AntiMalwareSericeExecutableService_bk4008" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                        4⤵
                        • Creates scheduled task(s)
                        PID:3784
                    • C:\Windows\SysWOW64\cmd.exe
                      "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "MicrosoftUpdateServices\MicrosoftUpdateServicesService_bk5163" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                      3⤵
                        PID:3156
                        • C:\Windows\SysWOW64\schtasks.exe
                          SCHTASKS /CREATE /SC HOURLY /TN "MicrosoftUpdateServices\MicrosoftUpdateServicesService_bk5163" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                          4⤵
                          • Creates scheduled task(s)
                          PID:4052
                      • C:\Windows\SysWOW64\cmd.exe
                        "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "SettingSysHost\SettingSysHostService_bk8575" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                        3⤵
                          PID:2488
                          • C:\Windows\SysWOW64\schtasks.exe
                            SCHTASKS /CREATE /SC HOURLY /TN "SettingSysHost\SettingSysHostService_bk8575" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                            4⤵
                            • Creates scheduled task(s)
                            PID:2672
                        • C:\Windows\SysWOW64\cmd.exe
                          "cmd.exe" /c chcp 1251 & C:\ProgramData\Dllhost\winlogson.exe --config msi.bin --log off
                          3⤵
                            PID:2212
                            • C:\Windows\SysWOW64\chcp.com
                              chcp 1251
                              4⤵
                                PID:3888
                            • C:\Windows\SysWOW64\cmd.exe
                              "cmd.exe" /c chcp 1251 & C:\ProgramData\Dllhost\winlogson.exe --config msi.bin --log off
                              3⤵
                                PID:620
                                • C:\Windows\SysWOW64\chcp.com
                                  chcp 1251
                                  4⤵
                                    PID:2380
                                • C:\Windows\SysWOW64\cmd.exe
                                  "cmd.exe" /c chcp 1251 & C:\ProgramData\Dllhost\winlogson.exe --config msi.bin --log off
                                  3⤵
                                    PID:636
                                    • C:\Windows\SysWOW64\chcp.com
                                      chcp 1251
                                      4⤵
                                        PID:2264

                                Network

                                MITRE ATT&CK Enterprise v6

                                Replay Monitor

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                                Downloads

                                • C:\ProgramData\Dllhost\dllhost.exe

                                  Filesize

                                  957KB

                                  MD5

                                  ac3d1ebf3a7b999b2cf4ded24b1157ee

                                  SHA1

                                  c7c18443ad1a8d7e2d018c4cef4b1df57d67f74e

                                  SHA256

                                  1058894ca70870dc3390a37ff781b62e35f4254a5bd49c945a4a31f3a471ecf3

                                  SHA512

                                  f4d98c335a193e7729a429b176cbb15571d50d0339c9cf0f12b8025dfb43413f71e1b32dbfc2763c64f9a7a24027e977dc3b4bd5fce2faac720cffd9e63cea2f

                                • C:\ProgramData\Dllhost\dllhost.exe

                                  Filesize

                                  957KB

                                  MD5

                                  ac3d1ebf3a7b999b2cf4ded24b1157ee

                                  SHA1

                                  c7c18443ad1a8d7e2d018c4cef4b1df57d67f74e

                                  SHA256

                                  1058894ca70870dc3390a37ff781b62e35f4254a5bd49c945a4a31f3a471ecf3

                                  SHA512

                                  f4d98c335a193e7729a429b176cbb15571d50d0339c9cf0f12b8025dfb43413f71e1b32dbfc2763c64f9a7a24027e977dc3b4bd5fce2faac720cffd9e63cea2f

                                • 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

                                  31d112846b7314daf13f0a11ea4cccd2

                                  SHA1

                                  8782331dbbf4bb7b5e269b20182a07196bd8239f

                                  SHA256

                                  2ca40a4e2b20008d79163759a60ae9f4ea5549c7af57498bb6529ba4006a6113

                                  SHA512

                                  efcde4b73e57d7198177f8c260cbc649a8d5454f61af85522810d096b6b4734ef6aed36e887193a519c883a3076e24a3b1674b6796b33e357463601ee5b3e5fb

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

                                  Filesize

                                  18KB

                                  MD5

                                  7f8ef0955a08d7288287ac117005ca25

                                  SHA1

                                  feb565fd916b02b65e27b05db565a6ed44c7c4ce

                                  SHA256

                                  0a5226b50027fbd71a7c1e9bc292f456f0264a06861c7fe763078ad839999146

                                  SHA512

                                  93e81d215ccb6e6ad39260d7ad86dc1c1d11b626d2495c243b9158ebb7c21f18c51eec28f4fa8a8809cd1badeb8e2b9b0aa3b5458ac1948263aa289d8295b8e3

                                • memory/112-161-0x0000000070770000-0x00000000707BC000-memory.dmp

                                  Filesize

                                  304KB

                                • memory/2708-158-0x0000000070770000-0x00000000707BC000-memory.dmp

                                  Filesize

                                  304KB

                                • memory/3416-165-0x0000000000C80000-0x0000000000D30000-memory.dmp

                                  Filesize

                                  704KB

                                • memory/4084-144-0x0000000006120000-0x000000000613E000-memory.dmp

                                  Filesize

                                  120KB

                                • memory/4084-152-0x0000000007680000-0x000000000768E000-memory.dmp

                                  Filesize

                                  56KB

                                • memory/4084-153-0x0000000007780000-0x000000000779A000-memory.dmp

                                  Filesize

                                  104KB

                                • memory/4084-151-0x00000000076E0000-0x0000000007776000-memory.dmp

                                  Filesize

                                  600KB

                                • memory/4084-150-0x00000000074B0000-0x00000000074BA000-memory.dmp

                                  Filesize

                                  40KB

                                • memory/4084-149-0x0000000007460000-0x000000000747A000-memory.dmp

                                  Filesize

                                  104KB

                                • memory/4084-148-0x0000000007AC0000-0x000000000813A000-memory.dmp

                                  Filesize

                                  6.5MB

                                • memory/4084-147-0x00000000066F0000-0x000000000670E000-memory.dmp

                                  Filesize

                                  120KB

                                • memory/4084-146-0x0000000070770000-0x00000000707BC000-memory.dmp

                                  Filesize

                                  304KB

                                • memory/4084-145-0x0000000006710000-0x0000000006742000-memory.dmp

                                  Filesize

                                  200KB

                                • memory/4084-140-0x0000000002B60000-0x0000000002B96000-memory.dmp

                                  Filesize

                                  216KB

                                • memory/4084-154-0x00000000076C0000-0x00000000076C8000-memory.dmp

                                  Filesize

                                  32KB

                                • memory/4084-141-0x0000000005370000-0x0000000005998000-memory.dmp

                                  Filesize

                                  6.2MB

                                • memory/4084-143-0x00000000052F0000-0x0000000005356000-memory.dmp

                                  Filesize

                                  408KB

                                • memory/4084-142-0x0000000005050000-0x0000000005072000-memory.dmp

                                  Filesize

                                  136KB

                                • memory/4676-132-0x0000000000CC0000-0x0000000000D68000-memory.dmp

                                  Filesize

                                  672KB

                                • memory/4676-136-0x0000000005810000-0x0000000005876000-memory.dmp

                                  Filesize

                                  408KB

                                • memory/4676-135-0x00000000055D0000-0x00000000055DA000-memory.dmp

                                  Filesize

                                  40KB

                                • memory/4676-134-0x0000000005610000-0x00000000056A2000-memory.dmp

                                  Filesize

                                  584KB

                                • memory/4676-133-0x0000000005BC0000-0x0000000006164000-memory.dmp

                                  Filesize

                                  5.6MB