Analysis

  • max time kernel
    150s
  • max time network
    133s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17/09/2022, 12:26

General

  • Target

    d3e8cf5a2d15afbadfc87fb6fd67f61e9c4e55737e38cc05e77a93a7fa58724c.exe

  • Size

    720KB

  • MD5

    0b49a51e4555e333e31b990b13cf4fd8

  • SHA1

    2c2140253082bb537055b0adb1780e6525786deb

  • SHA256

    d3e8cf5a2d15afbadfc87fb6fd67f61e9c4e55737e38cc05e77a93a7fa58724c

  • SHA512

    94b82d16062f00638876c4d45ca50110dc29183f613fc517f4be366082f59c48db3f6459de5288f1c017821df8a0aa38cb4567c6961e1d59363f19c4c30bac96

  • 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\d3e8cf5a2d15afbadfc87fb6fd67f61e9c4e55737e38cc05e77a93a7fa58724c.exe
    "C:\Users\Admin\AppData\Local\Temp\d3e8cf5a2d15afbadfc87fb6fd67f61e9c4e55737e38cc05e77a93a7fa58724c.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4984
    • C:\Windows\SysWOW64\cmd.exe
      "cmd.exe" /C chcp 1251 & powershell -Command Add-MpPreference -ExclusionPath "$ENV:USERPROFILE\Desktop" & powershell -Command Add-MpPreference -ExclusionPath "C:\ProgramData\Dllhost" & powershell -Command Add-MpPreference -ExclusionPath "C:\ProgramData\HostData"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2636
      • C:\Windows\SysWOW64\chcp.com
        chcp 1251
        3⤵
          PID:5028
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          powershell -Command Add-MpPreference -ExclusionPath "$ENV:USERPROFILE\Desktop"
          3⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:724
        • 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:4832
        • 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:3448
      • 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:5104
        • 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:1928
          • C:\Windows\SysWOW64\schtasks.exe
            SCHTASKS /CREATE /SC HOURLY /TN "SecurityHealthSystray" /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 "WindowsDefender" /TR "C:\ProgramData\Dllhost\dllhost.exe"
          3⤵
            PID:4268
            • C:\Windows\SysWOW64\schtasks.exe
              SCHTASKS /CREATE /SC HOURLY /TN "WindowsDefender" /TR "C:\ProgramData\Dllhost\dllhost.exe"
              4⤵
              • Creates scheduled task(s)
              PID:3740
          • 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:444
            • C:\Windows\SysWOW64\schtasks.exe
              SCHTASKS /CREATE /SC HOURLY /TN "WmiPrvSE" /TR "C:\ProgramData\Dllhost\dllhost.exe"
              4⤵
              • Creates scheduled task(s)
              PID:1248
          • C:\Windows\SysWOW64\cmd.exe
            "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "dllhost" /TR "C:\ProgramData\Dllhost\dllhost.exe"
            3⤵
              PID:3360
              • C:\Windows\SysWOW64\schtasks.exe
                SCHTASKS /CREATE /SC HOURLY /TN "dllhost" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                4⤵
                • Creates scheduled task(s)
                PID:2628
            • 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:744
              • C:\Windows\SysWOW64\schtasks.exe
                SCHTASKS /CREATE /SC HOURLY /TN "AntiMalwareServiceExecutable" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                4⤵
                • Creates scheduled task(s)
                PID:2036
            • C:\Windows\SysWOW64\cmd.exe
              "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "MicrosoftEdgeUpd" /TR "C:\ProgramData\Dllhost\dllhost.exe"
              3⤵
                PID:4824
                • C:\Windows\SysWOW64\schtasks.exe
                  SCHTASKS /CREATE /SC HOURLY /TN "MicrosoftEdgeUpd" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                  4⤵
                  • Creates scheduled task(s)
                  PID:4604
              • C:\Windows\SysWOW64\cmd.exe
                "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "OneDriveService" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                3⤵
                  PID:1428
                  • C:\Windows\SysWOW64\schtasks.exe
                    SCHTASKS /CREATE /SC HOURLY /TN "OneDriveService" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                    4⤵
                    • Creates scheduled task(s)
                    PID:3984
                • C:\Windows\SysWOW64\cmd.exe
                  "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "AntiMalwareSericeExecutable\AntiMalwareSericeExecutableService_bk4008" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                  3⤵
                    PID:3456
                    • 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:3988
                  • C:\Windows\SysWOW64\cmd.exe
                    "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "WindowsDefenderServices\WindowsDefenderServicesService_bk9553" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                    3⤵
                    • Suspicious use of WriteProcessMemory
                    PID:4592
                    • C:\Windows\SysWOW64\schtasks.exe
                      SCHTASKS /CREATE /SC HOURLY /TN "WindowsDefenderServices\WindowsDefenderServicesService_bk9553" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                      4⤵
                      • Creates scheduled task(s)
                      PID:4016
                  • C:\Windows\SysWOW64\cmd.exe
                    "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "NvStray" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                    3⤵
                      PID:3492
                      • C:\Windows\SysWOW64\schtasks.exe
                        SCHTASKS /CREATE /SC HOURLY /TN "NvStray" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                        4⤵
                        • Creates scheduled task(s)
                        PID:2308
                    • C:\Windows\SysWOW64\cmd.exe
                      "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "MicrosoftUpdateServices\MicrosoftUpdateServicesService_bk8234" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                      3⤵
                        PID:4452
                      • C:\Windows\SysWOW64\cmd.exe
                        "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "SettingSysHost\SettingSysHostService_bk3510" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                        3⤵
                          PID:756
                          • C:\Windows\SysWOW64\schtasks.exe
                            SCHTASKS /CREATE /SC HOURLY /TN "SettingSysHost\SettingSysHostService_bk3510" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                            4⤵
                            • Creates scheduled task(s)
                            PID:4816
                        • C:\Windows\SysWOW64\cmd.exe
                          "cmd.exe" /c chcp 1251 & C:\ProgramData\Dllhost\winlogson.exe --config msi.bin --log off
                          3⤵
                            PID:3484
                            • C:\Windows\SysWOW64\chcp.com
                              chcp 1251
                              4⤵
                                PID:2548
                            • C:\Windows\SysWOW64\cmd.exe
                              "cmd.exe" /c chcp 1251 & C:\ProgramData\Dllhost\winlogson.exe --config msi.bin --log off
                              3⤵
                                PID:3068
                                • C:\Windows\SysWOW64\chcp.com
                                  chcp 1251
                                  4⤵
                                    PID:4296
                                • C:\Windows\SysWOW64\cmd.exe
                                  "cmd.exe" /c chcp 1251 & C:\ProgramData\Dllhost\winlogson.exe --config msi.bin --log off
                                  3⤵
                                    PID:3824
                                    • C:\Windows\SysWOW64\chcp.com
                                      chcp 1251
                                      4⤵
                                        PID:1144

                                Network

                                MITRE ATT&CK Enterprise v6

                                Replay Monitor

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                                Downloads

                                • C:\ProgramData\Dllhost\dllhost.exe

                                  Filesize

                                  902KB

                                  MD5

                                  9dbdf0b88f342aae408d895f61e3a7dc

                                  SHA1

                                  d403572864364e008751c5f7ad42cfec6e87c956

                                  SHA256

                                  bb628bcc04cd6058e530a19ad41711b260d3a8855775e7dba969fda9a4ef0384

                                  SHA512

                                  f3f5f8e8054388a8fa07d0519ea7e7cfe680bc13197c1e30a51f3687c73276dab53dd490c19d4abe4aafcf1daaf9609117e6f8372171f3a1717995c86ff3d118

                                • C:\ProgramData\Dllhost\dllhost.exe

                                  Filesize

                                  902KB

                                  MD5

                                  9dbdf0b88f342aae408d895f61e3a7dc

                                  SHA1

                                  d403572864364e008751c5f7ad42cfec6e87c956

                                  SHA256

                                  bb628bcc04cd6058e530a19ad41711b260d3a8855775e7dba969fda9a4ef0384

                                  SHA512

                                  f3f5f8e8054388a8fa07d0519ea7e7cfe680bc13197c1e30a51f3687c73276dab53dd490c19d4abe4aafcf1daaf9609117e6f8372171f3a1717995c86ff3d118

                                • 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

                                  24ec4a411985bc1841e1b4bd6aee5ab2

                                  SHA1

                                  ca85aebd258d89916fbd57d7cd9130b824955dd8

                                  SHA256

                                  a3d207648e18262c7fd7145de93880769cc1b67045c3b3d8545f42b195a9bb7b

                                  SHA512

                                  8c10f0206311f45eceb301b03b9189a766412d92aed44de8877d3a588822fe0effa9d5a9cdd674254476953ec739f11f95221f7e6691c7956ba0fb3419640a54

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

                                  Filesize

                                  18KB

                                  MD5

                                  be0b4f325afbf9e60c3a286d9dd3bce7

                                  SHA1

                                  efd8d593a28187b7a87a2f56ded2150fd89f8936

                                  SHA256

                                  560c8c288ab216defd2b378a98b107cbf16ec125432714c986e5e5b2144aa7d7

                                  SHA512

                                  cdd477106e9ebd6e11a5320d57aa2622f8536a8ea1fe8b3f3e49daa3a2f7e1c11b81ad4cac0b5713243e39ac265249e95f1fad490236cdc2084b17d66e97f561

                                • memory/724-148-0x00000000075D0000-0x0000000007C4A000-memory.dmp

                                  Filesize

                                  6.5MB

                                • memory/724-152-0x0000000006D10000-0x0000000006D1E000-memory.dmp

                                  Filesize

                                  56KB

                                • memory/724-141-0x0000000004DA0000-0x00000000053C8000-memory.dmp

                                  Filesize

                                  6.2MB

                                • memory/724-142-0x0000000004B50000-0x0000000004B72000-memory.dmp

                                  Filesize

                                  136KB

                                • memory/724-143-0x0000000005440000-0x00000000054A6000-memory.dmp

                                  Filesize

                                  408KB

                                • memory/724-144-0x0000000005B10000-0x0000000005B2E000-memory.dmp

                                  Filesize

                                  120KB

                                • memory/724-145-0x0000000006100000-0x0000000006132000-memory.dmp

                                  Filesize

                                  200KB

                                • memory/724-146-0x0000000070C00000-0x0000000070C4C000-memory.dmp

                                  Filesize

                                  304KB

                                • memory/724-147-0x00000000060C0000-0x00000000060DE000-memory.dmp

                                  Filesize

                                  120KB

                                • memory/724-140-0x00000000021E0000-0x0000000002216000-memory.dmp

                                  Filesize

                                  216KB

                                • memory/724-149-0x0000000006C20000-0x0000000006C3A000-memory.dmp

                                  Filesize

                                  104KB

                                • memory/724-150-0x0000000006C90000-0x0000000006C9A000-memory.dmp

                                  Filesize

                                  40KB

                                • memory/724-151-0x0000000007130000-0x00000000071C6000-memory.dmp

                                  Filesize

                                  600KB

                                • memory/724-153-0x00000000070B0000-0x00000000070CA000-memory.dmp

                                  Filesize

                                  104KB

                                • memory/724-154-0x00000000070A0000-0x00000000070A8000-memory.dmp

                                  Filesize

                                  32KB

                                • memory/3448-161-0x0000000070C00000-0x0000000070C4C000-memory.dmp

                                  Filesize

                                  304KB

                                • memory/4832-158-0x0000000070C00000-0x0000000070C4C000-memory.dmp

                                  Filesize

                                  304KB

                                • memory/4984-133-0x0000000005DA0000-0x0000000006344000-memory.dmp

                                  Filesize

                                  5.6MB

                                • memory/4984-136-0x0000000005AA0000-0x0000000005B06000-memory.dmp

                                  Filesize

                                  408KB

                                • memory/4984-132-0x0000000000E00000-0x0000000000EA8000-memory.dmp

                                  Filesize

                                  672KB

                                • memory/4984-134-0x0000000005890000-0x0000000005922000-memory.dmp

                                  Filesize

                                  584KB

                                • memory/4984-135-0x0000000005870000-0x000000000587A000-memory.dmp

                                  Filesize

                                  40KB

                                • memory/5104-165-0x00000000002F0000-0x00000000003A0000-memory.dmp

                                  Filesize

                                  704KB