Analysis

  • max time kernel
    150s
  • max time network
    132s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-09-2022 05:52

General

  • Target

    931f654a123295590e622a5d88bc70b217d7710d1ea905d6371e08c8ca8f95b0.exe

  • Size

    725KB

  • MD5

    94bc74647de328e50e69e1d60dc0edb8

  • SHA1

    1424497fc51c3b8e589066953117bbad74779c90

  • SHA256

    931f654a123295590e622a5d88bc70b217d7710d1ea905d6371e08c8ca8f95b0

  • SHA512

    3eeff25b9b18676512e14f86a49b9e3c268748362a2b7f7b3c48e0649d87ac43baea2e83a470edb22030fa16ad001f204383eb3cd146dc99358c9cae0fad1868

  • 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\931f654a123295590e622a5d88bc70b217d7710d1ea905d6371e08c8ca8f95b0.exe
    "C:\Users\Admin\AppData\Local\Temp\931f654a123295590e622a5d88bc70b217d7710d1ea905d6371e08c8ca8f95b0.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3136
    • C:\Windows\SysWOW64\cmd.exe
      "cmd.exe" /C chcp 1251 & powershell -Command Add-MpPreference -ExclusionPath "$ENV:USERPROFILE\Desktop" & powershell -Command Add-MpPreference -ExclusionPath "C:\ProgramData\Dllhost" & powershell -Command Add-MpPreference -ExclusionPath "C:\ProgramData\HostData"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1956
      • C:\Windows\SysWOW64\chcp.com
        chcp 1251
        3⤵
          PID:4056
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          powershell -Command Add-MpPreference -ExclusionPath "$ENV:USERPROFILE\Desktop"
          3⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:4076
        • 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:3168
        • 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:4764
      • 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:4084
        • 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:4536
          • C:\Windows\SysWOW64\schtasks.exe
            SCHTASKS /CREATE /SC HOURLY /TN "SecurityHealthSystray" /TR "C:\ProgramData\Dllhost\dllhost.exe"
            4⤵
            • Creates scheduled task(s)
            PID:3076
        • 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:2396
          • C:\Windows\SysWOW64\schtasks.exe
            SCHTASKS /CREATE /SC HOURLY /TN "WindowsDefender" /TR "C:\ProgramData\Dllhost\dllhost.exe"
            4⤵
            • Creates scheduled task(s)
            PID:1440
        • 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:5020
          • C:\Windows\SysWOW64\schtasks.exe
            SCHTASKS /CREATE /SC HOURLY /TN "WmiPrvSE" /TR "C:\ProgramData\Dllhost\dllhost.exe"
            4⤵
            • Creates scheduled task(s)
            PID:724
        • 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:3376
          • C:\Windows\SysWOW64\schtasks.exe
            SCHTASKS /CREATE /SC HOURLY /TN "AntiMalwareServiceExecutable" /TR "C:\ProgramData\Dllhost\dllhost.exe"
            4⤵
            • Creates scheduled task(s)
            PID:5052
        • C:\Windows\SysWOW64\cmd.exe
          "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "dllhost" /TR "C:\ProgramData\Dllhost\dllhost.exe"
          3⤵
            PID:1128
          • C:\Windows\SysWOW64\cmd.exe
            "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "MicrosoftEdgeUpd" /TR "C:\ProgramData\Dllhost\dllhost.exe"
            3⤵
              PID:1512
              • C:\Windows\SysWOW64\schtasks.exe
                SCHTASKS /CREATE /SC HOURLY /TN "MicrosoftEdgeUpd" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                4⤵
                • Creates scheduled task(s)
                PID:4012
            • C:\Windows\SysWOW64\cmd.exe
              "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "OneDriveService" /TR "C:\ProgramData\Dllhost\dllhost.exe"
              3⤵
                PID:4376
                • C:\Windows\SysWOW64\schtasks.exe
                  SCHTASKS /CREATE /SC HOURLY /TN "OneDriveService" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                  4⤵
                  • Creates scheduled task(s)
                  PID:4092
              • C:\Windows\SysWOW64\cmd.exe
                "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "NvStray" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                3⤵
                  PID:3388
                  • C:\Windows\SysWOW64\schtasks.exe
                    SCHTASKS /CREATE /SC HOURLY /TN "NvStray" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                    4⤵
                    • Creates scheduled task(s)
                    PID:3152
                • C:\Windows\SysWOW64\cmd.exe
                  "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "WindowsDefenderServices\WindowsDefenderServicesService_bk3613" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                  3⤵
                    PID:2748
                    • C:\Windows\SysWOW64\schtasks.exe
                      SCHTASKS /CREATE /SC HOURLY /TN "WindowsDefenderServices\WindowsDefenderServicesService_bk3613" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                      4⤵
                      • Creates scheduled task(s)
                      PID:1508
                  • C:\Windows\SysWOW64\cmd.exe
                    "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "AntiMalwareSericeExecutable\AntiMalwareSericeExecutableService_bk9970" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                    3⤵
                      PID:3604
                      • C:\Windows\SysWOW64\schtasks.exe
                        SCHTASKS /CREATE /SC HOURLY /TN "AntiMalwareSericeExecutable\AntiMalwareSericeExecutableService_bk9970" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                        4⤵
                        • Creates scheduled task(s)
                        PID:3600
                    • C:\Windows\SysWOW64\cmd.exe
                      "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "MicrosoftUpdateServices\MicrosoftUpdateServicesService_bk1196" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                      3⤵
                        PID:4912
                      • C:\Windows\SysWOW64\cmd.exe
                        "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "SettingSysHost\SettingSysHostService_bk39" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                        3⤵
                          PID:2760
                          • C:\Windows\SysWOW64\schtasks.exe
                            SCHTASKS /CREATE /SC HOURLY /TN "SettingSysHost\SettingSysHostService_bk39" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                            4⤵
                            • Creates scheduled task(s)
                            PID:4464
                        • C:\Windows\SysWOW64\cmd.exe
                          "cmd.exe" /c chcp 1251 & C:\ProgramData\Dllhost\winlogson.exe --config msi.bin --log off
                          3⤵
                            PID:2504
                            • C:\Windows\SysWOW64\chcp.com
                              chcp 1251
                              4⤵
                                PID:3760
                            • C:\Windows\SysWOW64\cmd.exe
                              "cmd.exe" /c chcp 1251 & C:\ProgramData\Dllhost\winlogson.exe --config msi.bin --log off
                              3⤵
                                PID:3100
                                • C:\Windows\SysWOW64\chcp.com
                                  chcp 1251
                                  4⤵
                                    PID:3168
                                • C:\Windows\SysWOW64\cmd.exe
                                  "cmd.exe" /c chcp 1251 & C:\ProgramData\Dllhost\winlogson.exe --config msi.bin --log off
                                  3⤵
                                    PID:4308
                                    • C:\Windows\SysWOW64\chcp.com
                                      chcp 1251
                                      4⤵
                                        PID:1512

                                Network

                                MITRE ATT&CK Enterprise v6

                                Replay Monitor

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                                Downloads

                                • C:\ProgramData\Dllhost\dllhost.exe

                                  Filesize

                                  924KB

                                  MD5

                                  32530c42152440443c55ae54406ad40d

                                  SHA1

                                  e530189352372264760a7888bc83588d88ffb0c2

                                  SHA256

                                  7134cb710a34bbe58a8e6684f7961dd08088a63270c296248c548aeaa1e7f757

                                  SHA512

                                  d34fc67df2dd94ce6d3315c6f67e2b8e6dc6a930cd4cfa6fdc4a84a1814db2ee25731a8788de79ce0c1ab7209de4a79df117acad8edb72513c6e8c57a12451fa

                                • C:\ProgramData\Dllhost\dllhost.exe

                                  Filesize

                                  924KB

                                  MD5

                                  32530c42152440443c55ae54406ad40d

                                  SHA1

                                  e530189352372264760a7888bc83588d88ffb0c2

                                  SHA256

                                  7134cb710a34bbe58a8e6684f7961dd08088a63270c296248c548aeaa1e7f757

                                  SHA512

                                  d34fc67df2dd94ce6d3315c6f67e2b8e6dc6a930cd4cfa6fdc4a84a1814db2ee25731a8788de79ce0c1ab7209de4a79df117acad8edb72513c6e8c57a12451fa

                                • 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

                                  e28bdec5448ccbfd2fbece75d136cd86

                                  SHA1

                                  36aa9599e2cec4e8dcee02c41904d516fada02e5

                                  SHA256

                                  3db587556229bb08e3339bfa0fe6ce3e5807738a1c9c6babff4f65d417ae137e

                                  SHA512

                                  b1240a267ba71e113a7b292e754eabc48b3323f759aeea182b3f4395856d15d0dc988d2bcaa38617bf577b0effa8da598f8812264e39bbcb5767f02fd1866e25

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

                                  Filesize

                                  18KB

                                  MD5

                                  8af67f9fa45a31750e88450396f6a8b4

                                  SHA1

                                  2e352d40d1cffbc752972f46268225b124b05f26

                                  SHA256

                                  ba1a98d993c96c96fff428d40ee59fefb740b452981016c70594c20858db4e25

                                  SHA512

                                  d2e8d04061af355a93d7c485974c58096af3953c1d4b250b559bbfc6875fe4a1e030e89147a9c3619896539bb764d78c86cfbb2f1056e29db8b10003b4779491

                                • memory/3136-132-0x0000000000310000-0x00000000003B8000-memory.dmp

                                  Filesize

                                  672KB

                                • memory/3136-136-0x0000000005010000-0x0000000005076000-memory.dmp

                                  Filesize

                                  408KB

                                • memory/3136-135-0x0000000004E00000-0x0000000004E0A000-memory.dmp

                                  Filesize

                                  40KB

                                • memory/3136-134-0x0000000004D60000-0x0000000004DF2000-memory.dmp

                                  Filesize

                                  584KB

                                • memory/3136-133-0x00000000053D0000-0x0000000005974000-memory.dmp

                                  Filesize

                                  5.6MB

                                • memory/3168-158-0x0000000070A50000-0x0000000070A9C000-memory.dmp

                                  Filesize

                                  304KB

                                • memory/4076-147-0x0000000006D30000-0x0000000006D4E000-memory.dmp

                                  Filesize

                                  120KB

                                • memory/4076-150-0x0000000007B10000-0x0000000007B1A000-memory.dmp

                                  Filesize

                                  40KB

                                • memory/4076-140-0x0000000005130000-0x0000000005166000-memory.dmp

                                  Filesize

                                  216KB

                                • memory/4076-141-0x0000000005870000-0x0000000005E98000-memory.dmp

                                  Filesize

                                  6.2MB

                                • memory/4076-142-0x0000000005840000-0x0000000005862000-memory.dmp

                                  Filesize

                                  136KB

                                • memory/4076-143-0x0000000005F10000-0x0000000005F76000-memory.dmp

                                  Filesize

                                  408KB

                                • memory/4076-154-0x0000000007D20000-0x0000000007D28000-memory.dmp

                                  Filesize

                                  32KB

                                • memory/4076-144-0x0000000006800000-0x000000000681E000-memory.dmp

                                  Filesize

                                  120KB

                                • memory/4076-153-0x0000000007DE0000-0x0000000007DFA000-memory.dmp

                                  Filesize

                                  104KB

                                • memory/4076-145-0x0000000006D50000-0x0000000006D82000-memory.dmp

                                  Filesize

                                  200KB

                                • memory/4076-152-0x0000000007CE0000-0x0000000007CEE000-memory.dmp

                                  Filesize

                                  56KB

                                • memory/4076-151-0x0000000007D40000-0x0000000007DD6000-memory.dmp

                                  Filesize

                                  600KB

                                • memory/4076-146-0x0000000070A50000-0x0000000070A9C000-memory.dmp

                                  Filesize

                                  304KB

                                • memory/4076-148-0x0000000008120000-0x000000000879A000-memory.dmp

                                  Filesize

                                  6.5MB

                                • memory/4076-149-0x0000000007AC0000-0x0000000007ADA000-memory.dmp

                                  Filesize

                                  104KB

                                • memory/4084-165-0x0000000000910000-0x00000000009C0000-memory.dmp

                                  Filesize

                                  704KB

                                • memory/4764-161-0x0000000070A50000-0x0000000070A9C000-memory.dmp

                                  Filesize

                                  304KB