Analysis

  • max time kernel
    150s
  • max time network
    139s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-09-2022 07:34

General

  • Target

    cf96aba5bce94a633ffbf027b5462c5fc38d3d93cde131efde2f68360fad8f13.exe

  • Size

    717KB

  • MD5

    a1aa61cbd986aa962e59be97a77546fc

  • SHA1

    d172c4089498e23dba2df302f4a94438579e9e17

  • SHA256

    cf96aba5bce94a633ffbf027b5462c5fc38d3d93cde131efde2f68360fad8f13

  • SHA512

    a4d9b94f6b3eea9a3b270fa51f87a23c8b8a1e4989627fa7d3ffa35c97df8df64b9ef74e6077e0f08884e8afa017e0a557eec35c45f4535209935d7ff4fdda54

  • 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 8 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\cf96aba5bce94a633ffbf027b5462c5fc38d3d93cde131efde2f68360fad8f13.exe
    "C:\Users\Admin\AppData\Local\Temp\cf96aba5bce94a633ffbf027b5462c5fc38d3d93cde131efde2f68360fad8f13.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4968
    • C:\Windows\SysWOW64\cmd.exe
      "cmd.exe" /C chcp 1251 & powershell -Command Add-MpPreference -ExclusionPath "$ENV:USERPROFILE\Desktop" & powershell -Command Add-MpPreference -ExclusionPath "C:\ProgramData\Dllhost" & powershell -Command Add-MpPreference -ExclusionPath "C:\ProgramData\HostData"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1988
      • C:\Windows\SysWOW64\chcp.com
        chcp 1251
        3⤵
          PID:3216
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          powershell -Command Add-MpPreference -ExclusionPath "$ENV:USERPROFILE\Desktop"
          3⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:3184
        • 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:2356
        • 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:1428
      • 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:1016
        • 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:1396
          • C:\Windows\SysWOW64\schtasks.exe
            SCHTASKS /CREATE /SC HOURLY /TN "SecurityHealthSystray" /TR "C:\ProgramData\Dllhost\dllhost.exe"
            4⤵
            • Creates scheduled task(s)
            PID:1460
        • 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:4160
          • C:\Windows\SysWOW64\schtasks.exe
            SCHTASKS /CREATE /SC HOURLY /TN "WindowsDefender" /TR "C:\ProgramData\Dllhost\dllhost.exe"
            4⤵
            • Creates scheduled task(s)
            PID:4924
        • C:\Windows\SysWOW64\cmd.exe
          "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "dllhost" /TR "C:\ProgramData\Dllhost\dllhost.exe"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:4572
          • C:\Windows\SysWOW64\schtasks.exe
            SCHTASKS /CREATE /SC HOURLY /TN "dllhost" /TR "C:\ProgramData\Dllhost\dllhost.exe"
            4⤵
            • Creates scheduled task(s)
            PID:1616
        • 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:388
          • C:\Windows\SysWOW64\schtasks.exe
            SCHTASKS /CREATE /SC HOURLY /TN "AntiMalwareServiceExecutable" /TR "C:\ProgramData\Dllhost\dllhost.exe"
            4⤵
            • Creates scheduled task(s)
            PID:1220
        • C:\Windows\SysWOW64\cmd.exe
          "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "WmiPrvSE" /TR "C:\ProgramData\Dllhost\dllhost.exe"
          3⤵
            PID:1368
          • C:\Windows\SysWOW64\cmd.exe
            "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "MicrosoftEdgeUpd" /TR "C:\ProgramData\Dllhost\dllhost.exe"
            3⤵
              PID:2668
              • C:\Windows\SysWOW64\schtasks.exe
                SCHTASKS /CREATE /SC HOURLY /TN "MicrosoftEdgeUpd" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                4⤵
                • Creates scheduled task(s)
                PID:1288
            • C:\Windows\SysWOW64\cmd.exe
              "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "OneDriveService" /TR "C:\ProgramData\Dllhost\dllhost.exe"
              3⤵
                PID:1932
              • C:\Windows\SysWOW64\cmd.exe
                "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "NvStray" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                3⤵
                  PID:3304
                  • C:\Windows\SysWOW64\schtasks.exe
                    SCHTASKS /CREATE /SC HOURLY /TN "NvStray" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                    4⤵
                    • Creates scheduled task(s)
                    PID:3648
                • C:\Windows\SysWOW64\cmd.exe
                  "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "WindowsDefenderServices\WindowsDefenderServicesService_bk5508" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                  3⤵
                    PID:4908
                  • C:\Windows\SysWOW64\cmd.exe
                    "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "AntiMalwareSericeExecutable\AntiMalwareSericeExecutableService_bk5668" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                    3⤵
                      PID:2592
                    • C:\Windows\SysWOW64\cmd.exe
                      "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "MicrosoftUpdateServices\MicrosoftUpdateServicesService_bk4715" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                      3⤵
                        PID:4208
                        • C:\Windows\SysWOW64\schtasks.exe
                          SCHTASKS /CREATE /SC HOURLY /TN "MicrosoftUpdateServices\MicrosoftUpdateServicesService_bk4715" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                          4⤵
                          • Creates scheduled task(s)
                          PID:1648
                      • C:\Windows\SysWOW64\cmd.exe
                        "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "SettingSysHost\SettingSysHostService_bk1369" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                        3⤵
                          PID:3964
                          • C:\Windows\SysWOW64\schtasks.exe
                            SCHTASKS /CREATE /SC HOURLY /TN "SettingSysHost\SettingSysHostService_bk1369" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                            4⤵
                            • Creates scheduled task(s)
                            PID:1436
                        • C:\Windows\SysWOW64\cmd.exe
                          "cmd.exe" /c chcp 1251 & C:\ProgramData\Dllhost\winlogson.exe --config msi.bin --log off
                          3⤵
                            PID:928
                            • C:\Windows\SysWOW64\chcp.com
                              chcp 1251
                              4⤵
                                PID:2964
                            • C:\Windows\SysWOW64\cmd.exe
                              "cmd.exe" /c chcp 1251 & C:\ProgramData\Dllhost\winlogson.exe --config msi.bin --log off
                              3⤵
                                PID:5028
                                • C:\Windows\SysWOW64\chcp.com
                                  chcp 1251
                                  4⤵
                                    PID:4480
                                • C:\Windows\SysWOW64\cmd.exe
                                  "cmd.exe" /c chcp 1251 & C:\ProgramData\Dllhost\winlogson.exe --config msi.bin --log off
                                  3⤵
                                    PID:1276
                                    • C:\Windows\SysWOW64\chcp.com
                                      chcp 1251
                                      4⤵
                                        PID:3460

                                Network

                                MITRE ATT&CK Enterprise v6

                                Replay Monitor

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                                Downloads

                                • C:\ProgramData\Dllhost\dllhost.exe

                                  Filesize

                                  894KB

                                  MD5

                                  e5d60665dc0c2d4a4a829614941f3774

                                  SHA1

                                  cf147dbc2dc061d2cbdc423f4ebbca8cd6474ba7

                                  SHA256

                                  9e8feea9ea80c2cbdbd7e961e19a8908ab445d11e169bd64b297f617ea369de9

                                  SHA512

                                  b5884a7495898ae2b2c32b711117ad5de7fb0045f223eed581a9c6cb9d88673794a27c90ce2e0d926c0a12b308cc48e81cc8be96f53678f5779c51f4795f3130

                                • C:\ProgramData\Dllhost\dllhost.exe

                                  Filesize

                                  894KB

                                  MD5

                                  e5d60665dc0c2d4a4a829614941f3774

                                  SHA1

                                  cf147dbc2dc061d2cbdc423f4ebbca8cd6474ba7

                                  SHA256

                                  9e8feea9ea80c2cbdbd7e961e19a8908ab445d11e169bd64b297f617ea369de9

                                  SHA512

                                  b5884a7495898ae2b2c32b711117ad5de7fb0045f223eed581a9c6cb9d88673794a27c90ce2e0d926c0a12b308cc48e81cc8be96f53678f5779c51f4795f3130

                                • 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

                                  c1502574cb4d95f8ac096df6d26a7aa1

                                  SHA1

                                  694de3b677849f7d4add73ccb12266a011370672

                                  SHA256

                                  08aaf89fdfff3687eb3a1ba6e918d2d448282f96738f5ddc2ec907b671ef63f2

                                  SHA512

                                  969c8dea56cc75a786b7a36ec4de1733a0da2c7ce54ed64611b0679145e21302a7e0455251f0c26562658b8fb35b1d70b52a0e564e9b0f7fad55fa45e65dd56e

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

                                  Filesize

                                  18KB

                                  MD5

                                  d3aa22a06ef69e2961fbe50294847d6b

                                  SHA1

                                  83cbea65c12e1b7ad55d2fdb426c23cb21673c15

                                  SHA256

                                  3c21dab8730f3f0d37a8f563234fa46c358cb21ce0c32371c1816b92f84ce208

                                  SHA512

                                  6bf254b025a4235f3121076d02a3043471efb8d3a0c10d891a461a6d5fcc6548df783592c57ffc7272a898753513c5fec242be1b3253064a6490c0171bcdb1f6

                                • memory/1016-165-0x0000000000FC0000-0x0000000001070000-memory.dmp

                                  Filesize

                                  704KB

                                • memory/1428-164-0x0000000070530000-0x000000007057C000-memory.dmp

                                  Filesize

                                  304KB

                                • memory/2356-158-0x0000000070530000-0x000000007057C000-memory.dmp

                                  Filesize

                                  304KB

                                • memory/3184-147-0x00000000060F0000-0x000000000610E000-memory.dmp

                                  Filesize

                                  120KB

                                • memory/3184-145-0x0000000006140000-0x0000000006172000-memory.dmp

                                  Filesize

                                  200KB

                                • memory/3184-153-0x00000000071B0000-0x00000000071CA000-memory.dmp

                                  Filesize

                                  104KB

                                • memory/3184-152-0x00000000070B0000-0x00000000070BE000-memory.dmp

                                  Filesize

                                  56KB

                                • memory/3184-151-0x0000000007110000-0x00000000071A6000-memory.dmp

                                  Filesize

                                  600KB

                                • memory/3184-150-0x0000000006EE0000-0x0000000006EEA000-memory.dmp

                                  Filesize

                                  40KB

                                • memory/3184-149-0x0000000006E90000-0x0000000006EAA000-memory.dmp

                                  Filesize

                                  104KB

                                • memory/3184-142-0x0000000004A90000-0x0000000004AB2000-memory.dmp

                                  Filesize

                                  136KB

                                • memory/3184-148-0x00000000074F0000-0x0000000007B6A000-memory.dmp

                                  Filesize

                                  6.5MB

                                • memory/3184-143-0x0000000005470000-0x00000000054D6000-memory.dmp

                                  Filesize

                                  408KB

                                • memory/3184-146-0x0000000070530000-0x000000007057C000-memory.dmp

                                  Filesize

                                  304KB

                                • memory/3184-154-0x00000000070F0000-0x00000000070F8000-memory.dmp

                                  Filesize

                                  32KB

                                • memory/3184-141-0x0000000004CD0000-0x00000000052F8000-memory.dmp

                                  Filesize

                                  6.2MB

                                • memory/3184-140-0x0000000004580000-0x00000000045B6000-memory.dmp

                                  Filesize

                                  216KB

                                • memory/3184-144-0x0000000005B50000-0x0000000005B6E000-memory.dmp

                                  Filesize

                                  120KB

                                • memory/4968-132-0x0000000000C90000-0x0000000000D38000-memory.dmp

                                  Filesize

                                  672KB

                                • memory/4968-136-0x00000000059E0000-0x0000000005A46000-memory.dmp

                                  Filesize

                                  408KB

                                • memory/4968-135-0x00000000056E0000-0x00000000056EA000-memory.dmp

                                  Filesize

                                  40KB

                                • memory/4968-134-0x0000000005710000-0x00000000057A2000-memory.dmp

                                  Filesize

                                  584KB

                                • memory/4968-133-0x0000000005DB0000-0x0000000006354000-memory.dmp

                                  Filesize

                                  5.6MB