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
    06/10/2022, 11:26

General

  • Target

    58d8eb6aa9ccd7d9e86c87f46d0f255eadd2007ff354e50b1a022a4416f69db8.exe

  • Size

    732KB

  • MD5

    22c2eeeab2cd9f6e7dcf3da7ecb8dcdc

  • SHA1

    a8ee14df995afb320a0f04cc14cd930d28acc6c4

  • SHA256

    58d8eb6aa9ccd7d9e86c87f46d0f255eadd2007ff354e50b1a022a4416f69db8

  • SHA512

    699d2cf0d92ec193212021da2ec51fff8001005ab9cc17d491624e2b4e73cf7941a79df3d034c8374a7f66b2f89cd82119b621f34d4c9ff9f3eec81045a64adf

  • 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\58d8eb6aa9ccd7d9e86c87f46d0f255eadd2007ff354e50b1a022a4416f69db8.exe
    "C:\Users\Admin\AppData\Local\Temp\58d8eb6aa9ccd7d9e86c87f46d0f255eadd2007ff354e50b1a022a4416f69db8.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4332
    • C:\Windows\SysWOW64\cmd.exe
      "cmd.exe" /C chcp 1251 & powershell -Command Add-MpPreference -ExclusionPath "$ENV:USERPROFILE\Desktop" & powershell -Command Add-MpPreference -ExclusionPath "C:\ProgramData\Dllhost" & powershell -Command Add-MpPreference -ExclusionPath "C:\ProgramData\HostData"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4912
      • C:\Windows\SysWOW64\chcp.com
        chcp 1251
        3⤵
          PID:4968
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          powershell -Command Add-MpPreference -ExclusionPath "$ENV:USERPROFILE\Desktop"
          3⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:5008
        • 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:2056
        • 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:968
      • 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:2716
        • C:\Windows\SysWOW64\cmd.exe
          "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "SecurityHealthSystray" /TR "C:\ProgramData\Dllhost\dllhost.exe"
          3⤵
            PID:2660
            • C:\Windows\SysWOW64\schtasks.exe
              SCHTASKS /CREATE /SC HOURLY /TN "SecurityHealthSystray" /TR "C:\ProgramData\Dllhost\dllhost.exe"
              4⤵
              • Creates scheduled task(s)
              PID:3192
          • C:\Windows\SysWOW64\cmd.exe
            "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "WindowsDefender" /TR "C:\ProgramData\Dllhost\dllhost.exe"
            3⤵
              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:4736
              • C:\Windows\SysWOW64\schtasks.exe
                SCHTASKS /CREATE /SC HOURLY /TN "WmiPrvSE" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                4⤵
                • Creates scheduled task(s)
                PID:4528
            • 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:1252
              • C:\Windows\SysWOW64\schtasks.exe
                SCHTASKS /CREATE /SC HOURLY /TN "dllhost" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                4⤵
                • Creates scheduled task(s)
                PID:4356
            • 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:4580
              • C:\Windows\SysWOW64\schtasks.exe
                SCHTASKS /CREATE /SC HOURLY /TN "AntiMalwareServiceExecutable" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                4⤵
                • Creates scheduled task(s)
                PID:4312
            • 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:2580
              • C:\Windows\SysWOW64\schtasks.exe
                SCHTASKS /CREATE /SC HOURLY /TN "MicrosoftEdgeUpd" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                4⤵
                • Creates scheduled task(s)
                PID:2852
            • C:\Windows\SysWOW64\cmd.exe
              "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "OneDriveService" /TR "C:\ProgramData\Dllhost\dllhost.exe"
              3⤵
                PID:740
              • C:\Windows\SysWOW64\cmd.exe
                "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "NvStray" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                3⤵
                  PID:2668
                  • C:\Windows\SysWOW64\schtasks.exe
                    SCHTASKS /CREATE /SC HOURLY /TN "NvStray" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                    4⤵
                    • Creates scheduled task(s)
                    PID:4884
                • C:\Windows\SysWOW64\cmd.exe
                  "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "WindowsDefenderServices\WindowsDefenderServicesService_bk124" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                  3⤵
                    PID:1736
                  • C:\Windows\SysWOW64\cmd.exe
                    "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "AntiMalwareSericeExecutable\AntiMalwareSericeExecutableService_bk9043" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                    3⤵
                      PID:2312
                      • C:\Windows\SysWOW64\schtasks.exe
                        SCHTASKS /CREATE /SC HOURLY /TN "AntiMalwareSericeExecutable\AntiMalwareSericeExecutableService_bk9043" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                        4⤵
                        • Creates scheduled task(s)
                        PID:4704
                    • C:\Windows\SysWOW64\cmd.exe
                      "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "MicrosoftUpdateServices\MicrosoftUpdateServicesService_bk9964" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                      3⤵
                        PID:3012
                        • C:\Windows\SysWOW64\schtasks.exe
                          SCHTASKS /CREATE /SC HOURLY /TN "MicrosoftUpdateServices\MicrosoftUpdateServicesService_bk9964" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                          4⤵
                          • Creates scheduled task(s)
                          PID:2180
                      • C:\Windows\SysWOW64\cmd.exe
                        "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "SettingSysHost\SettingSysHostService_bk5392" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                        3⤵
                          PID:1988
                        • C:\Windows\SysWOW64\cmd.exe
                          "cmd.exe" /c chcp 1251 & C:\ProgramData\Dllhost\winlogson.exe --config msi.bin --log off
                          3⤵
                            PID:3868
                            • C:\Windows\SysWOW64\chcp.com
                              chcp 1251
                              4⤵
                                PID:2328
                            • C:\Windows\SysWOW64\cmd.exe
                              "cmd.exe" /c chcp 1251 & C:\ProgramData\Dllhost\winlogson.exe --config msi.bin --log off
                              3⤵
                                PID:2284
                                • C:\Windows\SysWOW64\chcp.com
                                  chcp 1251
                                  4⤵
                                    PID:1916
                                • C:\Windows\SysWOW64\cmd.exe
                                  "cmd.exe" /c chcp 1251 & C:\ProgramData\Dllhost\winlogson.exe --config msi.bin --log off
                                  3⤵
                                    PID:524
                                    • C:\Windows\SysWOW64\chcp.com
                                      chcp 1251
                                      4⤵
                                        PID:4000

                                Network

                                MITRE ATT&CK Enterprise v6

                                Replay Monitor

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                                Downloads

                                • C:\ProgramData\Dllhost\dllhost.exe

                                  Filesize

                                  953KB

                                  MD5

                                  ca6f129e89e80841204fe9973f274b02

                                  SHA1

                                  831cfe737a2025d195003ad4d4703b4ee5864f16

                                  SHA256

                                  9d97799d6f1e9f279529eae1e376d1a62d46073e7b5d42fac5f4cb47de6774e2

                                  SHA512

                                  6e49e405c2487bb797067f9f568884ba7cdccdfcfe4daa510d5fdf9ad596fc0a4951958a17f6da5b393d24bf8ab87c52583a573781590f3e4924a44d22ba2549

                                • C:\ProgramData\Dllhost\dllhost.exe

                                  Filesize

                                  953KB

                                  MD5

                                  ca6f129e89e80841204fe9973f274b02

                                  SHA1

                                  831cfe737a2025d195003ad4d4703b4ee5864f16

                                  SHA256

                                  9d97799d6f1e9f279529eae1e376d1a62d46073e7b5d42fac5f4cb47de6774e2

                                  SHA512

                                  6e49e405c2487bb797067f9f568884ba7cdccdfcfe4daa510d5fdf9ad596fc0a4951958a17f6da5b393d24bf8ab87c52583a573781590f3e4924a44d22ba2549

                                • 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

                                  4461bb43113e2b12d066b9a2f625ed22

                                  SHA1

                                  033acddda341ac3cb5db8b67280622b1c70ee91f

                                  SHA256

                                  0fbdc55cf5de70b54495b02a9aa562388fc6bf329132b2365d3093a848cc42c0

                                  SHA512

                                  f889d02c485846d2bdd57ac5485818dd3f8177c8f3122879847d29496786f5dae082e69f79537707e13ebb36da1b94eda21da331e0388572449575c129d95e6b

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

                                  Filesize

                                  18KB

                                  MD5

                                  c7345848649cf84c947f9828784b4d51

                                  SHA1

                                  57ce9468eaf21b3e1457758353d73888c8fc7f8f

                                  SHA256

                                  7ab85f34bc46d94c3db4a909c2b754664d732375d153c1cbfe482ffa0de9bddb

                                  SHA512

                                  81fc1e1bea983f7cf01e6563a85bb9690c4eb57d71e7fdb0af3338fff201e41fb5e02d6b6d41eb8cd8b2083aec1e2fabea48a1fbcc6cee740bfb4a71a4c2daa0

                                • memory/968-173-0x0000000070F70000-0x0000000070FBC000-memory.dmp

                                  Filesize

                                  304KB

                                • memory/2056-158-0x0000000070F70000-0x0000000070FBC000-memory.dmp

                                  Filesize

                                  304KB

                                • memory/2716-164-0x0000000000ED0000-0x0000000000F80000-memory.dmp

                                  Filesize

                                  704KB

                                • memory/4332-135-0x0000000004D60000-0x0000000004D6A000-memory.dmp

                                  Filesize

                                  40KB

                                • memory/4332-132-0x0000000000420000-0x00000000004C8000-memory.dmp

                                  Filesize

                                  672KB

                                • memory/4332-134-0x0000000004D80000-0x0000000004E12000-memory.dmp

                                  Filesize

                                  584KB

                                • memory/4332-133-0x0000000005290000-0x0000000005834000-memory.dmp

                                  Filesize

                                  5.6MB

                                • memory/4332-136-0x0000000004F80000-0x0000000004FE6000-memory.dmp

                                  Filesize

                                  408KB

                                • memory/5008-144-0x0000000006140000-0x000000000615E000-memory.dmp

                                  Filesize

                                  120KB

                                • memory/5008-140-0x0000000002B90000-0x0000000002BC6000-memory.dmp

                                  Filesize

                                  216KB

                                • memory/5008-141-0x0000000005290000-0x00000000058B8000-memory.dmp

                                  Filesize

                                  6.2MB

                                • memory/5008-142-0x00000000058C0000-0x00000000058E2000-memory.dmp

                                  Filesize

                                  136KB

                                • memory/5008-143-0x0000000005A60000-0x0000000005AC6000-memory.dmp

                                  Filesize

                                  408KB

                                • memory/5008-146-0x0000000070F70000-0x0000000070FBC000-memory.dmp

                                  Filesize

                                  304KB

                                • memory/5008-145-0x0000000006720000-0x0000000006752000-memory.dmp

                                  Filesize

                                  200KB

                                • memory/5008-154-0x00000000076E0000-0x00000000076E8000-memory.dmp

                                  Filesize

                                  32KB

                                • memory/5008-153-0x00000000077A0000-0x00000000077BA000-memory.dmp

                                  Filesize

                                  104KB

                                • memory/5008-152-0x00000000076A0000-0x00000000076AE000-memory.dmp

                                  Filesize

                                  56KB

                                • memory/5008-151-0x0000000007700000-0x0000000007796000-memory.dmp

                                  Filesize

                                  600KB

                                • memory/5008-150-0x00000000074D0000-0x00000000074DA000-memory.dmp

                                  Filesize

                                  40KB

                                • memory/5008-149-0x0000000007480000-0x000000000749A000-memory.dmp

                                  Filesize

                                  104KB

                                • memory/5008-148-0x0000000007AE0000-0x000000000815A000-memory.dmp

                                  Filesize

                                  6.5MB

                                • memory/5008-147-0x00000000066F0000-0x000000000670E000-memory.dmp

                                  Filesize

                                  120KB