Analysis

  • max time kernel
    32s
  • max time network
    42s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    13-05-2021 12:44

General

  • Target

    67bf11e503343a5478f45c5a0c886c49c56c195c6e281cdac96643a0148d5665.exe

  • Size

    84KB

  • MD5

    3deae285a37790b25414520c94ee3398

  • SHA1

    0fa7f041b388adbd44328f6deac7186a4c0c6547

  • SHA256

    67bf11e503343a5478f45c5a0c886c49c56c195c6e281cdac96643a0148d5665

  • SHA512

    e0a0b8138d8b7f47cea5041322d62b91eb8fe975e5a61599cf2c3b008c9baf2c1e5519f96b86af33c4e9d0c96d2e8c4a741b109ca987cf8fe8ed0874b369a705

Malware Config

Signatures

  • Modifies firewall policy service 2 TTPs 4 IoCs
  • Ramnit

    Ramnit is a versatile family that holds viruses, worms, and Trojans.

  • Suspicious use of NtCreateProcessExOtherParentProcess 1 IoCs
  • UPX packed file 1 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in Program Files directory 3 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 16 IoCs
  • Suspicious behavior: MapViewOfSection 60 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\system32\lsass.exe
    C:\Windows\system32\lsass.exe
    1⤵
      PID:628
    • C:\Windows\system32\winlogon.exe
      winlogon.exe
      1⤵
        PID:548
        • C:\Windows\system32\dwm.exe
          "dwm.exe"
          2⤵
            PID:980
          • C:\Windows\system32\fontdrvhost.exe
            "fontdrvhost.exe"
            2⤵
              PID:728
          • c:\windows\system32\svchost.exe
            c:\windows\system32\svchost.exe -k dcomlaunch -s PlugPlay
            1⤵
              PID:712
            • C:\Windows\system32\fontdrvhost.exe
              "fontdrvhost.exe"
              1⤵
                PID:720
              • c:\windows\system32\svchost.exe
                c:\windows\system32\svchost.exe -k rpcss
                1⤵
                  PID:848
                • c:\windows\system32\svchost.exe
                  c:\windows\system32\svchost.exe -k netsvcs -s gpsvc
                  1⤵
                    PID:340
                  • C:\Windows\system32\svchost.exe
                    C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
                    1⤵
                      PID:364
                    • c:\windows\system32\svchost.exe
                      c:\windows\system32\svchost.exe -k netsvcs -s Themes
                      1⤵
                        PID:1144
                      • c:\windows\system32\svchost.exe
                        c:\windows\system32\svchost.exe -k localservicenetworkrestricted -s EventLog
                        1⤵
                          PID:1104
                        • c:\windows\system32\svchost.exe
                          c:\windows\system32\svchost.exe -k netsvcs -s ProfSvc
                          1⤵
                            PID:1092
                          • c:\windows\system32\svchost.exe
                            c:\windows\system32\svchost.exe -k localservice -s EventSystem
                            1⤵
                              PID:1160
                            • c:\windows\system32\svchost.exe
                              c:\windows\system32\svchost.exe -k netsvcs -s Schedule
                              1⤵
                                PID:1036
                                • c:\windows\system32\taskhostw.exe
                                  taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
                                  2⤵
                                    PID:2540
                                • c:\windows\system32\svchost.exe
                                  c:\windows\system32\svchost.exe -k localsystemnetworkrestricted -s NcbService
                                  1⤵
                                    PID:488
                                  • c:\windows\system32\svchost.exe
                                    c:\windows\system32\svchost.exe -k netsvcs -s UserManager
                                    1⤵
                                      PID:1396
                                      • c:\windows\system32\sihost.exe
                                        sihost.exe
                                        2⤵
                                          PID:2324
                                      • c:\windows\system32\svchost.exe
                                        c:\windows\system32\svchost.exe -k localservice -s nsi
                                        1⤵
                                          PID:1312
                                        • c:\windows\system32\svchost.exe
                                          c:\windows\system32\svchost.exe -k localservicenetworkrestricted -s lmhosts
                                          1⤵
                                            PID:396
                                          • c:\windows\system32\svchost.exe
                                            c:\windows\system32\svchost.exe -k netsvcs -s SENS
                                            1⤵
                                              PID:1408
                                            • c:\windows\system32\svchost.exe
                                              c:\windows\system32\svchost.exe -k networkservice -s NlaSvc
                                              1⤵
                                                PID:1560
                                              • c:\windows\system32\svchost.exe
                                                c:\windows\system32\svchost.exe -k networkservice -s Dnscache
                                                1⤵
                                                  PID:1604
                                                • c:\windows\system32\svchost.exe
                                                  c:\windows\system32\svchost.exe -k localservice -s FontCache
                                                  1⤵
                                                    PID:1496
                                                  • c:\windows\system32\svchost.exe
                                                    c:\windows\system32\svchost.exe -k localsystemnetworkrestricted -s AudioEndpointBuilder
                                                    1⤵
                                                      PID:1488
                                                    • C:\Windows\System32\svchost.exe
                                                      C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted
                                                      1⤵
                                                        PID:1644
                                                      • c:\windows\system32\svchost.exe
                                                        c:\windows\system32\svchost.exe -k localservicenetworkrestricted -s Dhcp
                                                        1⤵
                                                          PID:1424
                                                        • c:\windows\system32\svchost.exe
                                                          c:\windows\system32\svchost.exe -k localservice -s netprofm
                                                          1⤵
                                                            PID:1828
                                                          • C:\Windows\System32\svchost.exe
                                                            C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted
                                                            1⤵
                                                              PID:1836
                                                            • c:\windows\system32\svchost.exe
                                                              c:\windows\system32\svchost.exe -k dcomlaunch -s LSM
                                                              1⤵
                                                                PID:896
                                                              • c:\windows\system32\svchost.exe
                                                                c:\windows\system32\svchost.exe -k appmodel -s StateRepository
                                                                1⤵
                                                                  PID:1884
                                                                • c:\windows\system32\svchost.exe
                                                                  c:\windows\system32\svchost.exe -k netsvcs -s ShellHWDetection
                                                                  1⤵
                                                                    PID:1936
                                                                  • C:\Windows\system32\svchost.exe
                                                                    C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted
                                                                    1⤵
                                                                      PID:1848
                                                                    • c:\windows\system32\svchost.exe
                                                                      c:\windows\system32\svchost.exe -k unistacksvcgroup -s CDPUserSvc
                                                                      1⤵
                                                                        PID:2348
                                                                      • c:\windows\system32\svchost.exe
                                                                        c:\windows\system32\svchost.exe -k netsvcs -s Browser
                                                                        1⤵
                                                                          PID:2580
                                                                        • c:\windows\system32\svchost.exe
                                                                          c:\windows\system32\svchost.exe -k netsvcs -s Winmgmt
                                                                          1⤵
                                                                            PID:2696
                                                                            • C:\Windows\system32\wbem\WMIADAP.EXE
                                                                              wmiadap.exe /F /T /R
                                                                              2⤵
                                                                                PID:2052
                                                                            • C:\Windows\Explorer.EXE
                                                                              C:\Windows\Explorer.EXE
                                                                              1⤵
                                                                                PID:3056
                                                                                • C:\Users\Admin\AppData\Local\Temp\67bf11e503343a5478f45c5a0c886c49c56c195c6e281cdac96643a0148d5665.exe
                                                                                  "C:\Users\Admin\AppData\Local\Temp\67bf11e503343a5478f45c5a0c886c49c56c195c6e281cdac96643a0148d5665.exe"
                                                                                  2⤵
                                                                                  • Modifies firewall policy service
                                                                                  • Drops file in Program Files directory
                                                                                  • Suspicious behavior: EnumeratesProcesses
                                                                                  • Suspicious behavior: MapViewOfSection
                                                                                  • Suspicious use of AdjustPrivilegeToken
                                                                                  • Suspicious use of WriteProcessMemory
                                                                                  PID:856
                                                                                  • C:\Windows\SysWOW64\WerFault.exe
                                                                                    C:\Windows\SysWOW64\WerFault.exe -u -p 856 -s 564
                                                                                    3⤵
                                                                                    • Suspicious use of NtCreateProcessExOtherParentProcess
                                                                                    • Program crash
                                                                                    • Suspicious behavior: EnumeratesProcesses
                                                                                    • Suspicious use of AdjustPrivilegeToken
                                                                                    PID:3244
                                                                              • C:\Windows\SystemApps\ShellExperienceHost_cw5n1h2txyewy\ShellExperienceHost.exe
                                                                                "C:\Windows\SystemApps\ShellExperienceHost_cw5n1h2txyewy\ShellExperienceHost.exe" -ServerName:App.AppXtk181tbxbce2qsex02s8tw7hfxa9xb3t.mca
                                                                                1⤵
                                                                                  PID:3348
                                                                                • C:\Windows\system32\DllHost.exe
                                                                                  C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                                                                                  1⤵
                                                                                    PID:3900
                                                                                  • C:\Windows\system32\DllHost.exe
                                                                                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                                                                                    1⤵
                                                                                      PID:4076
                                                                                    • c:\windows\system32\svchost.exe
                                                                                      c:\windows\system32\svchost.exe -k localservice -s CDPSvc
                                                                                      1⤵
                                                                                        PID:1376
                                                                                      • C:\Windows\System32\RuntimeBroker.exe
                                                                                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                                                                                        1⤵
                                                                                          PID:3668
                                                                                        • C:\Windows\SystemApps\Microsoft.Windows.Cortana_cw5n1h2txyewy\SearchUI.exe
                                                                                          "C:\Windows\SystemApps\Microsoft.Windows.Cortana_cw5n1h2txyewy\SearchUI.exe" -ServerName:CortanaUI.AppXa50dqqa5gqv4a428c9y1jjw7m3btvepj.mca
                                                                                          1⤵
                                                                                            PID:3340
                                                                                          • c:\windows\system32\svchost.exe
                                                                                            c:\windows\system32\svchost.exe -k netsvcs -s WpnService
                                                                                            1⤵
                                                                                              PID:2708
                                                                                            • c:\windows\system32\svchost.exe
                                                                                              c:\windows\system32\svchost.exe -k localsystemnetworkrestricted -s TrkWks
                                                                                              1⤵
                                                                                                PID:2680
                                                                                              • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                                                                                "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                                                                                1⤵
                                                                                                  PID:2572
                                                                                                • c:\windows\system32\svchost.exe
                                                                                                  c:\windows\system32\svchost.exe -k networkservice -s CryptSvc
                                                                                                  1⤵
                                                                                                    PID:2556
                                                                                                  • c:\windows\system32\svchost.exe
                                                                                                    c:\windows\system32\svchost.exe -k networkservicenetworkrestricted -s PolicyAgent
                                                                                                    1⤵
                                                                                                      PID:2456
                                                                                                    • c:\windows\system32\svchost.exe
                                                                                                      c:\windows\system32\svchost.exe -k netsvcs -s IKEEXT
                                                                                                      1⤵
                                                                                                        PID:2448
                                                                                                      • c:\windows\system32\svchost.exe
                                                                                                        c:\windows\system32\svchost.exe -k netsvcs -s LanmanServer
                                                                                                        1⤵
                                                                                                          PID:2416
                                                                                                        • c:\windows\system32\svchost.exe
                                                                                                          c:\windows\system32\svchost.exe -k appmodel -s tiledatamodelsvc
                                                                                                          1⤵
                                                                                                            PID:2144
                                                                                                          • c:\windows\system32\svchost.exe
                                                                                                            c:\windows\system32\svchost.exe -k networkservice -s LanmanWorkstation
                                                                                                            1⤵
                                                                                                              PID:1656
                                                                                                            • C:\Windows\System32\spoolsv.exe
                                                                                                              C:\Windows\System32\spoolsv.exe
                                                                                                              1⤵
                                                                                                                PID:2020
                                                                                                              • C:\Windows\system32\svchost.exe
                                                                                                                C:\Windows\system32\svchost.exe -k DcomLaunch
                                                                                                                1⤵
                                                                                                                  PID:796
                                                                                                                  • C:\Windows\system32\wbem\wmiprvse.exe
                                                                                                                    C:\Windows\system32\wbem\wmiprvse.exe -Embedding
                                                                                                                    2⤵
                                                                                                                      PID:2724
                                                                                                                    • C:\Windows\system32\DllHost.exe
                                                                                                                      C:\Windows\system32\DllHost.exe /Processid:{AB8902B4-09CA-4BB6-B78D-A8F59079A8D5}
                                                                                                                      2⤵
                                                                                                                        PID:4000
                                                                                                                    • \??\c:\windows\system32\svchost.exe
                                                                                                                      c:\windows\system32\svchost.exe -k netsvcs -s BITS
                                                                                                                      1⤵
                                                                                                                        PID:1056
                                                                                                                      • C:\Windows\system32\svchost.exe
                                                                                                                        C:\Windows\system32\svchost.exe -k LocalService -s WinHttpAutoProxySvc
                                                                                                                        1⤵
                                                                                                                          PID:1452
                                                                                                                        • \??\c:\windows\system32\svchost.exe
                                                                                                                          c:\windows\system32\svchost.exe -k localserviceandnoimpersonation -s SSDPSRV
                                                                                                                          1⤵
                                                                                                                            PID:1952

                                                                                                                          Network

                                                                                                                          MITRE ATT&CK Enterprise v6

                                                                                                                          Replay Monitor

                                                                                                                          Loading Replay Monitor...

                                                                                                                          Downloads

                                                                                                                          • memory/856-114-0x00000000001F0000-0x00000000001FF000-memory.dmp
                                                                                                                            Filesize

                                                                                                                            60KB

                                                                                                                          • memory/856-115-0x0000000000400000-0x0000000000436000-memory.dmp
                                                                                                                            Filesize

                                                                                                                            216KB