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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
    05/10/2022, 11:14

General

  • Target

    1e6b66ee8cd8d3093dcb297130b2b5f5883cd78e8816917ea1a6e4b400431bf5.exe

  • Size

    731KB

  • MD5

    c119c3c9045ade693d983a12ec96787c

  • SHA1

    a09aab4828ae92a64807655590dedeb8ef9260f9

  • SHA256

    1e6b66ee8cd8d3093dcb297130b2b5f5883cd78e8816917ea1a6e4b400431bf5

  • SHA512

    1eb4d60d50ca84a539fe36d241e7211483d671e3774c00961b7c6e91a341c5e38cc9b6ddd1deed47e1c9a82217fb38aa2ef79fc8f5a0ec9255808fbdb4126f23

  • 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 10 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\1e6b66ee8cd8d3093dcb297130b2b5f5883cd78e8816917ea1a6e4b400431bf5.exe
    "C:\Users\Admin\AppData\Local\Temp\1e6b66ee8cd8d3093dcb297130b2b5f5883cd78e8816917ea1a6e4b400431bf5.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4124
    • C:\Windows\SysWOW64\cmd.exe
      "cmd.exe" /C chcp 1251 & powershell -Command Add-MpPreference -ExclusionPath "$ENV:USERPROFILE\Desktop" & powershell -Command Add-MpPreference -ExclusionPath "C:\ProgramData\Dllhost" & powershell -Command Add-MpPreference -ExclusionPath "C:\ProgramData\HostData"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1084
      • C:\Windows\SysWOW64\chcp.com
        chcp 1251
        3⤵
          PID:1484
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          powershell -Command Add-MpPreference -ExclusionPath "$ENV:USERPROFILE\Desktop"
          3⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1604
        • 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:1104
        • 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:1740
      • 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:3680
        • 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:3144
          • C:\Windows\SysWOW64\schtasks.exe
            SCHTASKS /CREATE /SC HOURLY /TN "SecurityHealthSystray" /TR "C:\ProgramData\Dllhost\dllhost.exe"
            4⤵
            • Creates scheduled task(s)
            PID:4176
        • 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:4960
          • C:\Windows\SysWOW64\schtasks.exe
            SCHTASKS /CREATE /SC HOURLY /TN "WindowsDefender" /TR "C:\ProgramData\Dllhost\dllhost.exe"
            4⤵
            • Creates scheduled task(s)
            PID:2844
        • 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:1612
          • C:\Windows\SysWOW64\schtasks.exe
            SCHTASKS /CREATE /SC HOURLY /TN "WmiPrvSE" /TR "C:\ProgramData\Dllhost\dllhost.exe"
            4⤵
            • Creates scheduled task(s)
            PID:3232
        • C:\Windows\SysWOW64\cmd.exe
          "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "AntiMalwareServiceExecutable" /TR "C:\ProgramData\Dllhost\dllhost.exe"
          3⤵
            PID:4452
          • C:\Windows\SysWOW64\cmd.exe
            "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "dllhost" /TR "C:\ProgramData\Dllhost\dllhost.exe"
            3⤵
              PID:528
              • C:\Windows\SysWOW64\schtasks.exe
                SCHTASKS /CREATE /SC HOURLY /TN "dllhost" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                4⤵
                • Creates scheduled task(s)
                PID:536
            • C:\Windows\SysWOW64\cmd.exe
              "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "MicrosoftEdgeUpd" /TR "C:\ProgramData\Dllhost\dllhost.exe"
              3⤵
                PID:3488
                • C:\Windows\SysWOW64\schtasks.exe
                  SCHTASKS /CREATE /SC HOURLY /TN "MicrosoftEdgeUpd" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                  4⤵
                  • Creates scheduled task(s)
                  PID:3552
              • C:\Windows\SysWOW64\cmd.exe
                "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "OneDriveService" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                3⤵
                  PID:1860
                  • C:\Windows\SysWOW64\schtasks.exe
                    SCHTASKS /CREATE /SC HOURLY /TN "OneDriveService" /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 "NvStray" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                  3⤵
                  • Suspicious use of WriteProcessMemory
                  PID:1284
                  • C:\Windows\SysWOW64\schtasks.exe
                    SCHTASKS /CREATE /SC HOURLY /TN "NvStray" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                    4⤵
                    • Creates scheduled task(s)
                    PID:832
                • C:\Windows\SysWOW64\cmd.exe
                  "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "WindowsDefenderServices\WindowsDefenderServicesService_bk8036" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                  3⤵
                    PID:4240
                    • C:\Windows\SysWOW64\schtasks.exe
                      SCHTASKS /CREATE /SC HOURLY /TN "WindowsDefenderServices\WindowsDefenderServicesService_bk8036" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                      4⤵
                      • Creates scheduled task(s)
                      PID:2364
                  • C:\Windows\SysWOW64\cmd.exe
                    "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "AntiMalwareSericeExecutable\AntiMalwareSericeExecutableService_bk5121" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                    3⤵
                      PID:1488
                      • C:\Windows\SysWOW64\schtasks.exe
                        SCHTASKS /CREATE /SC HOURLY /TN "AntiMalwareSericeExecutable\AntiMalwareSericeExecutableService_bk5121" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                        4⤵
                        • Creates scheduled task(s)
                        PID:3584
                    • C:\Windows\SysWOW64\cmd.exe
                      "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "MicrosoftUpdateServices\MicrosoftUpdateServicesService_bk9526" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                      3⤵
                        PID:3576
                      • C:\Windows\SysWOW64\cmd.exe
                        "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "SettingSysHost\SettingSysHostService_bk6161" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                        3⤵
                          PID:2168
                          • C:\Windows\SysWOW64\schtasks.exe
                            SCHTASKS /CREATE /SC HOURLY /TN "SettingSysHost\SettingSysHostService_bk6161" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                            4⤵
                            • Creates scheduled task(s)
                            PID:4008
                        • C:\Windows\SysWOW64\cmd.exe
                          "cmd.exe" /c chcp 1251 & C:\ProgramData\Dllhost\winlogson.exe --config msi.bin --log off
                          3⤵
                            PID:4224
                            • C:\Windows\SysWOW64\chcp.com
                              chcp 1251
                              4⤵
                                PID:2656
                            • C:\Windows\SysWOW64\cmd.exe
                              "cmd.exe" /c chcp 1251 & C:\ProgramData\Dllhost\winlogson.exe --config msi.bin --log off
                              3⤵
                                PID:544
                                • C:\Windows\SysWOW64\chcp.com
                                  chcp 1251
                                  4⤵
                                    PID:4300
                                • C:\Windows\SysWOW64\cmd.exe
                                  "cmd.exe" /c chcp 1251 & C:\ProgramData\Dllhost\winlogson.exe --config msi.bin --log off
                                  3⤵
                                    PID:1028
                                    • C:\Windows\SysWOW64\chcp.com
                                      chcp 1251
                                      4⤵
                                        PID:3764

                                Network

                                MITRE ATT&CK Enterprise v6

                                Replay Monitor

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                                Downloads

                                • C:\ProgramData\Dllhost\dllhost.exe

                                  Filesize

                                  950KB

                                  MD5

                                  2ca6cb0ee861dd79c0a7ce667d70d4a4

                                  SHA1

                                  dbb534e346fdcb1d23d8f66dc59e7572a9906a05

                                  SHA256

                                  6b00096c89a3ff6cbe551a37534b3b49bbf5d27874e80f84d1f1a26f047b45df

                                  SHA512

                                  271b2429e119ac2a423d07b4718997f18fbf37a16f700d155ecc1a7f912145260730c6a7137294ec7f69637581e34b5399d2e58fa7ee0f5cf3cc2b419fa645bd

                                • C:\ProgramData\Dllhost\dllhost.exe

                                  Filesize

                                  950KB

                                  MD5

                                  2ca6cb0ee861dd79c0a7ce667d70d4a4

                                  SHA1

                                  dbb534e346fdcb1d23d8f66dc59e7572a9906a05

                                  SHA256

                                  6b00096c89a3ff6cbe551a37534b3b49bbf5d27874e80f84d1f1a26f047b45df

                                  SHA512

                                  271b2429e119ac2a423d07b4718997f18fbf37a16f700d155ecc1a7f912145260730c6a7137294ec7f69637581e34b5399d2e58fa7ee0f5cf3cc2b419fa645bd

                                • 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

                                  1bd731ae94f6b20f841bca0d34d48974

                                  SHA1

                                  e89072777793afdbb18c375fff8a88431fbb38d1

                                  SHA256

                                  ec8ccfb75050edfba06e61682a881539f4bd0eecf0ec9758b518e535dec4f772

                                  SHA512

                                  c63152c92907630cc8bf65cc61626e7cf4d247ffe23b71019e5752c0b55aab32a115eac77306d397e4895d8ef2be6463f1566e7fa58f944a972ddeb64b711d0b

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

                                  Filesize

                                  18KB

                                  MD5

                                  ded5cd8bb54252668f95c75ab9a1390f

                                  SHA1

                                  65e1dbf6c6da8782868e251110d64f1ab7ed09ad

                                  SHA256

                                  06a446cd233ddb73317e91b2c1c0c56416ea17d6419abc9cb922309055c6345b

                                  SHA512

                                  ad5fc6f63c014a7028a2072aa1ffef0a7f24287a832a09815ebd6700b122da0a4cc20f5859533dd3ad0325e962ec4a1b95f699dbf15f24977bd69d6f3a31f4d7

                                • memory/1104-158-0x0000000070CA0000-0x0000000070CEC000-memory.dmp

                                  Filesize

                                  304KB

                                • memory/1604-147-0x0000000006970000-0x000000000698E000-memory.dmp

                                  Filesize

                                  120KB

                                • memory/1604-146-0x0000000070CA0000-0x0000000070CEC000-memory.dmp

                                  Filesize

                                  304KB

                                • memory/1604-151-0x0000000007950000-0x00000000079E6000-memory.dmp

                                  Filesize

                                  600KB

                                • memory/1604-152-0x00000000078F0000-0x00000000078FE000-memory.dmp

                                  Filesize

                                  56KB

                                • memory/1604-153-0x00000000079F0000-0x0000000007A0A000-memory.dmp

                                  Filesize

                                  104KB

                                • memory/1604-154-0x0000000007930000-0x0000000007938000-memory.dmp

                                  Filesize

                                  32KB

                                • memory/1604-149-0x00000000076D0000-0x00000000076EA000-memory.dmp

                                  Filesize

                                  104KB

                                • memory/1604-148-0x0000000007D30000-0x00000000083AA000-memory.dmp

                                  Filesize

                                  6.5MB

                                • memory/1604-142-0x00000000053D0000-0x00000000053F2000-memory.dmp

                                  Filesize

                                  136KB

                                • memory/1604-150-0x0000000007720000-0x000000000772A000-memory.dmp

                                  Filesize

                                  40KB

                                • memory/1604-145-0x0000000007380000-0x00000000073B2000-memory.dmp

                                  Filesize

                                  200KB

                                • memory/1604-141-0x0000000005530000-0x0000000005B58000-memory.dmp

                                  Filesize

                                  6.2MB

                                • memory/1604-140-0x0000000002DC0000-0x0000000002DF6000-memory.dmp

                                  Filesize

                                  216KB

                                • memory/1604-144-0x0000000006390000-0x00000000063AE000-memory.dmp

                                  Filesize

                                  120KB

                                • memory/1604-143-0x0000000005C50000-0x0000000005CB6000-memory.dmp

                                  Filesize

                                  408KB

                                • memory/1740-161-0x0000000070CA0000-0x0000000070CEC000-memory.dmp

                                  Filesize

                                  304KB

                                • memory/3680-165-0x00000000008B0000-0x0000000000960000-memory.dmp

                                  Filesize

                                  704KB

                                • memory/4124-136-0x0000000004DB0000-0x0000000004E16000-memory.dmp

                                  Filesize

                                  408KB

                                • memory/4124-132-0x00000000000E0000-0x0000000000188000-memory.dmp

                                  Filesize

                                  672KB

                                • memory/4124-135-0x0000000004B30000-0x0000000004B3A000-memory.dmp

                                  Filesize

                                  40KB

                                • memory/4124-134-0x0000000004B80000-0x0000000004C12000-memory.dmp

                                  Filesize

                                  584KB

                                • memory/4124-133-0x0000000005130000-0x00000000056D4000-memory.dmp

                                  Filesize

                                  5.6MB