Analysis

  • max time kernel
    150s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21/09/2022, 19:10

General

  • Target

    b15f11e4ce14aa4054f488df8ddb808c9fb2ca226eb7af9c9d13e6eeb6319ff6.exe

  • Size

    723KB

  • MD5

    f32da63f3c817aed14024d27002b952f

  • SHA1

    965e06d548378aaada870fada3516058da37e154

  • SHA256

    b15f11e4ce14aa4054f488df8ddb808c9fb2ca226eb7af9c9d13e6eeb6319ff6

  • SHA512

    1e4f457268a10dbbcfe0c55a06a00642312c0d4f574ad0dda8453acd375ff42fede352817e3105b9c5b09ee00a97c32a862a8c0c9efdf8616d5b6ced466721e1

  • 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 12 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\b15f11e4ce14aa4054f488df8ddb808c9fb2ca226eb7af9c9d13e6eeb6319ff6.exe
    "C:\Users\Admin\AppData\Local\Temp\b15f11e4ce14aa4054f488df8ddb808c9fb2ca226eb7af9c9d13e6eeb6319ff6.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4112
    • C:\Windows\SysWOW64\cmd.exe
      "cmd.exe" /C chcp 1251 & powershell -Command Add-MpPreference -ExclusionPath "$ENV:USERPROFILE\Desktop" & powershell -Command Add-MpPreference -ExclusionPath "C:\ProgramData\Dllhost" & powershell -Command Add-MpPreference -ExclusionPath "C:\ProgramData\HostData"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2132
      • C:\Windows\SysWOW64\chcp.com
        chcp 1251
        3⤵
          PID:4568
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          powershell -Command Add-MpPreference -ExclusionPath "$ENV:USERPROFILE\Desktop"
          3⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:4944
        • 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:4640
        • 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:2148
      • 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:3656
        • 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:3116
          • C:\Windows\SysWOW64\schtasks.exe
            SCHTASKS /CREATE /SC HOURLY /TN "SecurityHealthSystray" /TR "C:\ProgramData\Dllhost\dllhost.exe"
            4⤵
            • Creates scheduled task(s)
            PID:2684
        • 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:3884
          • C:\Windows\SysWOW64\schtasks.exe
            SCHTASKS /CREATE /SC HOURLY /TN "WmiPrvSE" /TR "C:\ProgramData\Dllhost\dllhost.exe"
            4⤵
            • Creates scheduled task(s)
            PID:4888
        • 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:3464
          • C:\Windows\SysWOW64\schtasks.exe
            SCHTASKS /CREATE /SC HOURLY /TN "WindowsDefender" /TR "C:\ProgramData\Dllhost\dllhost.exe"
            4⤵
            • Creates scheduled task(s)
            PID:4372
        • 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:3416
          • C:\Windows\SysWOW64\schtasks.exe
            SCHTASKS /CREATE /SC HOURLY /TN "AntiMalwareServiceExecutable" /TR "C:\ProgramData\Dllhost\dllhost.exe"
            4⤵
            • Creates scheduled task(s)
            PID:3524
        • C:\Windows\SysWOW64\cmd.exe
          "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "dllhost" /TR "C:\ProgramData\Dllhost\dllhost.exe"
          3⤵
            PID:4916
            • C:\Windows\SysWOW64\schtasks.exe
              SCHTASKS /CREATE /SC HOURLY /TN "dllhost" /TR "C:\ProgramData\Dllhost\dllhost.exe"
              4⤵
              • Creates scheduled task(s)
              PID:4076
          • C:\Windows\SysWOW64\cmd.exe
            "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "MicrosoftEdgeUpd" /TR "C:\ProgramData\Dllhost\dllhost.exe"
            3⤵
              PID:452
              • C:\Windows\SysWOW64\schtasks.exe
                SCHTASKS /CREATE /SC HOURLY /TN "MicrosoftEdgeUpd" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                4⤵
                • Creates scheduled task(s)
                PID:1356
            • C:\Windows\SysWOW64\cmd.exe
              "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "NvStray" /TR "C:\ProgramData\Dllhost\dllhost.exe"
              3⤵
                PID:4356
                • C:\Windows\SysWOW64\schtasks.exe
                  SCHTASKS /CREATE /SC HOURLY /TN "NvStray" /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 "OneDriveService" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                3⤵
                  PID:4456
                  • C:\Windows\SysWOW64\schtasks.exe
                    SCHTASKS /CREATE /SC HOURLY /TN "OneDriveService" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                    4⤵
                    • Creates scheduled task(s)
                    PID:4316
                • C:\Windows\SysWOW64\cmd.exe
                  "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "WindowsDefenderServices\WindowsDefenderServicesService_bk2169" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                  3⤵
                    PID:2964
                    • C:\Windows\SysWOW64\schtasks.exe
                      SCHTASKS /CREATE /SC HOURLY /TN "WindowsDefenderServices\WindowsDefenderServicesService_bk2169" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                      4⤵
                      • Creates scheduled task(s)
                      PID:1252
                  • C:\Windows\SysWOW64\cmd.exe
                    "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "AntiMalwareSericeExecutable\AntiMalwareSericeExecutableService_bk2207" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                    3⤵
                      PID:3108
                      • C:\Windows\SysWOW64\schtasks.exe
                        SCHTASKS /CREATE /SC HOURLY /TN "AntiMalwareSericeExecutable\AntiMalwareSericeExecutableService_bk2207" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                        4⤵
                        • Creates scheduled task(s)
                        PID:1260
                    • C:\Windows\SysWOW64\cmd.exe
                      "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "SettingSysHost\SettingSysHostService_bk9956" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                      3⤵
                        PID:4672
                        • C:\Windows\SysWOW64\schtasks.exe
                          SCHTASKS /CREATE /SC HOURLY /TN "SettingSysHost\SettingSysHostService_bk9956" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                          4⤵
                          • Creates scheduled task(s)
                          PID:4600
                      • C:\Windows\SysWOW64\cmd.exe
                        "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "MicrosoftUpdateServices\MicrosoftUpdateServicesService_bk2962" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                        3⤵
                          PID:4292
                          • C:\Windows\SysWOW64\schtasks.exe
                            SCHTASKS /CREATE /SC HOURLY /TN "MicrosoftUpdateServices\MicrosoftUpdateServicesService_bk2962" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                            4⤵
                            • Creates scheduled task(s)
                            PID:1152
                        • C:\Windows\SysWOW64\cmd.exe
                          "cmd.exe" /c chcp 1251 & C:\ProgramData\Dllhost\winlogson.exe --config msi.bin --log off
                          3⤵
                            PID:2024
                            • C:\Windows\SysWOW64\chcp.com
                              chcp 1251
                              4⤵
                                PID:3720
                            • C:\Windows\SysWOW64\cmd.exe
                              "cmd.exe" /c chcp 1251 & C:\ProgramData\Dllhost\winlogson.exe --config msi.bin --log off
                              3⤵
                                PID:1324
                                • C:\Windows\SysWOW64\chcp.com
                                  chcp 1251
                                  4⤵
                                    PID:3396
                                • C:\Windows\SysWOW64\cmd.exe
                                  "cmd.exe" /c chcp 1251 & C:\ProgramData\Dllhost\winlogson.exe --config msi.bin --log off
                                  3⤵
                                    PID:4092
                                    • C:\Windows\SysWOW64\chcp.com
                                      chcp 1251
                                      4⤵
                                        PID:2212

                                Network

                                MITRE ATT&CK Enterprise v6

                                Replay Monitor

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                                Downloads

                                • C:\ProgramData\Dllhost\dllhost.exe

                                  Filesize

                                  914KB

                                  MD5

                                  1e7f9646e0fc6dd2756a4644e27a8370

                                  SHA1

                                  3cd4fc600cdf56d36d8cbbad34c778bb2a48fe6b

                                  SHA256

                                  66fe889660729a926384ba3734c11c00f0cff0052c3d05f37f0ee8d96acd14f8

                                  SHA512

                                  0c6c70d753711dee0f69bc8399707a7087c81768da4eda7f567adf31790df9988eb93e9b12788e20c5b9606d1c48a7b996072087e8a265fd7679fa29cbc60758

                                • C:\ProgramData\Dllhost\dllhost.exe

                                  Filesize

                                  914KB

                                  MD5

                                  1e7f9646e0fc6dd2756a4644e27a8370

                                  SHA1

                                  3cd4fc600cdf56d36d8cbbad34c778bb2a48fe6b

                                  SHA256

                                  66fe889660729a926384ba3734c11c00f0cff0052c3d05f37f0ee8d96acd14f8

                                  SHA512

                                  0c6c70d753711dee0f69bc8399707a7087c81768da4eda7f567adf31790df9988eb93e9b12788e20c5b9606d1c48a7b996072087e8a265fd7679fa29cbc60758

                                • 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

                                  8433316908dad4d88e97b13c38fcb220

                                  SHA1

                                  f4605b83498421ac97ad8c75464b3e83e6ef7fa0

                                  SHA256

                                  87018d3ef9e7e580e933587cc94147e204cf9de7295b93e4cf2eb13b2c797ef6

                                  SHA512

                                  0106e5d2b38e33dc872e57c0abab5880b9c009a9c5f759709914688bc5915b63aa7bf2152e6ebf412fd76340aadcf694064b8a8573d1361a722ef6b6c26acc13

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

                                  Filesize

                                  18KB

                                  MD5

                                  b826e99f7eddfb321abadd36d5c4d83b

                                  SHA1

                                  1d4f8f2eaa996a56765dc905503e61c0c23c4b0f

                                  SHA256

                                  65f921256327ac17e473ed6a2afe4f0f869cf8ddb973c94f949bacd8d65a2100

                                  SHA512

                                  be2953199414f13b2fa0d2cfa5be6e7c9d06261a0bbd34d60c3003d424a5b5488e7c71e2123a87633a911a212b67572218baf2beede661256b7226c2d65fd0e7

                                • memory/2148-161-0x0000000070770000-0x00000000707BC000-memory.dmp

                                  Filesize

                                  304KB

                                • memory/3656-165-0x0000000000A30000-0x0000000000AE0000-memory.dmp

                                  Filesize

                                  704KB

                                • memory/4112-134-0x0000000004E40000-0x0000000004ED2000-memory.dmp

                                  Filesize

                                  584KB

                                • memory/4112-133-0x0000000005530000-0x0000000005AD4000-memory.dmp

                                  Filesize

                                  5.6MB

                                • memory/4112-135-0x0000000002AD0000-0x0000000002ADA000-memory.dmp

                                  Filesize

                                  40KB

                                • memory/4112-136-0x0000000005070000-0x00000000050D6000-memory.dmp

                                  Filesize

                                  408KB

                                • memory/4112-132-0x00000000003D0000-0x0000000000478000-memory.dmp

                                  Filesize

                                  672KB

                                • memory/4640-158-0x0000000070770000-0x00000000707BC000-memory.dmp

                                  Filesize

                                  304KB

                                • memory/4944-149-0x0000000007210000-0x000000000722A000-memory.dmp

                                  Filesize

                                  104KB

                                • memory/4944-144-0x0000000005DD0000-0x0000000005DEE000-memory.dmp

                                  Filesize

                                  120KB

                                • memory/4944-143-0x0000000005160000-0x00000000051C6000-memory.dmp

                                  Filesize

                                  408KB

                                • memory/4944-145-0x0000000007090000-0x00000000070C2000-memory.dmp

                                  Filesize

                                  200KB

                                • memory/4944-142-0x0000000005040000-0x0000000005062000-memory.dmp

                                  Filesize

                                  136KB

                                • memory/4944-141-0x0000000005210000-0x0000000005838000-memory.dmp

                                  Filesize

                                  6.2MB

                                • memory/4944-140-0x0000000000E10000-0x0000000000E46000-memory.dmp

                                  Filesize

                                  216KB

                                • memory/4944-146-0x0000000070770000-0x00000000707BC000-memory.dmp

                                  Filesize

                                  304KB

                                • memory/4944-147-0x0000000006490000-0x00000000064AE000-memory.dmp

                                  Filesize

                                  120KB

                                • memory/4944-148-0x0000000007870000-0x0000000007EEA000-memory.dmp

                                  Filesize

                                  6.5MB

                                • memory/4944-150-0x0000000007270000-0x000000000727A000-memory.dmp

                                  Filesize

                                  40KB

                                • memory/4944-151-0x00000000074A0000-0x0000000007536000-memory.dmp

                                  Filesize

                                  600KB

                                • memory/4944-152-0x0000000007430000-0x000000000743E000-memory.dmp

                                  Filesize

                                  56KB

                                • memory/4944-153-0x0000000007480000-0x000000000749A000-memory.dmp

                                  Filesize

                                  104KB

                                • memory/4944-154-0x0000000007470000-0x0000000007478000-memory.dmp

                                  Filesize

                                  32KB