Overview

overview

10

Static

static

b432a8afb4...fe.exe

windows7-x64

4

b432a8afb4...fe.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    157s
  • max time network
    174s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-11-2022 01:59

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General

  • Target

    b432a8afb4ebd0ea8e0e1361cbf544e15d615bd8ced4e5d092713c73c0ec3dfe.exe

  • Size

    76KB

  • MD5

    074608d3a13e24525700cc3e971e885b

  • SHA1

    587a28b545ac7f626f31091a6411621b2b441dbb

  • SHA256

    b432a8afb4ebd0ea8e0e1361cbf544e15d615bd8ced4e5d092713c73c0ec3dfe

  • SHA512

    e7eb0aa7fbe2a71fc3bd0ed6b66ecd8396db4d613e670444723f4247f8777be6af92db9facc52b0a6a3d85b4f33dc51e342a840e51bae6ed3995eb88a5117160

  • SSDEEP

    1536:dowd1JtPIs+I0gtAcHBqHXKmn5lUF83RIK+d:2wd1Jt7tAcHBqHXn5lUF8uK

Score
10/10
evasion

Malware Config

Signatures

  • Modifies firewall policy service 2 TTPs 4 IoCs
    evasion
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Program crash 1 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: MapViewOfSection 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\system32\lsass.exe
    C:\Windows\system32\lsass.exe
    1⤵
      PID:664
    • C:\Windows\system32\winlogon.exe
      winlogon.exe
      1⤵
        PID:604
        • C:\Windows\system32\fontdrvhost.exe
          "fontdrvhost.exe"
          2⤵
            PID:756
          • C:\Windows\system32\dwm.exe
            "dwm.exe"
            2⤵
              PID:60
          • C:\Windows\system32\fontdrvhost.exe
            "fontdrvhost.exe"
            1⤵
              PID:760
            • C:\Windows\system32\svchost.exe
              C:\Windows\system32\svchost.exe -k DcomLaunch -p
              1⤵
                PID:784
                • C:\Windows\system32\DllHost.exe
                  C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                  2⤵
                    PID:3284
                  • C:\Windows\System32\RuntimeBroker.exe
                    C:\Windows\System32\RuntimeBroker.exe -Embedding
                    2⤵
                      PID:3452
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      2⤵
                        PID:3380
                      • C:\Windows\system32\DllHost.exe
                        C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                        2⤵
                          PID:4516
                        • C:\Windows\System32\RuntimeBroker.exe
                          C:\Windows\System32\RuntimeBroker.exe -Embedding
                          2⤵
                            PID:4808
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            2⤵
                              PID:3836
                            • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                              "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                              2⤵
                                PID:3540
                              • C:\Windows\system32\wbem\wmiprvse.exe
                                C:\Windows\system32\wbem\wmiprvse.exe
                                2⤵
                                  PID:4320
                                • C:\Windows\system32\SppExtComObj.exe
                                  C:\Windows\system32\SppExtComObj.exe -Embedding
                                  2⤵
                                    PID:2320
                                • C:\Windows\system32\svchost.exe
                                  C:\Windows\system32\svchost.exe -k RPCSS -p
                                  1⤵
                                    PID:888
                                  • C:\Windows\system32\svchost.exe
                                    C:\Windows\system32\svchost.exe -k DcomLaunch -p -s LSM
                                    1⤵
                                      PID:948
                                    • C:\Windows\system32\svchost.exe
                                      C:\Windows\system32\svchost.exe -k netsvcs -p -s gpsvc
                                      1⤵
                                        PID:508
                                      • C:\Windows\System32\svchost.exe
                                        C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s lmhosts
                                        1⤵
                                          PID:712
                                        • C:\Windows\system32\svchost.exe
                                          C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork -p
                                          1⤵
                                            PID:856
                                          • C:\Windows\system32\svchost.exe
                                            C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s TimeBrokerSvc
                                            1⤵
                                              PID:1044
                                            • C:\Windows\System32\svchost.exe
                                              C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s NcbService
                                              1⤵
                                                PID:1032
                                              • C:\Windows\system32\svchost.exe
                                                C:\Windows\system32\svchost.exe -k netsvcs -p -s Schedule
                                                1⤵
                                                  PID:1148
                                                  • C:\Windows\system32\taskhostw.exe
                                                    taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
                                                    2⤵
                                                      PID:2460
                                                  • C:\Windows\system32\svchost.exe
                                                    C:\Windows\system32\svchost.exe -k netsvcs -p -s ProfSvc
                                                    1⤵
                                                      PID:1192
                                                    • C:\Windows\System32\spoolsv.exe
                                                      C:\Windows\System32\spoolsv.exe
                                                      1⤵
                                                        PID:1616
                                                      • C:\Windows\system32\svchost.exe
                                                        C:\Windows\system32\svchost.exe -k appmodel -p -s StateRepository
                                                        1⤵
                                                          PID:1996
                                                        • C:\Windows\system32\svchost.exe
                                                          C:\Windows\system32\svchost.exe -k LocalServiceNoNetworkFirewall -p
                                                          1⤵
                                                            PID:2060
                                                          • C:\Windows\System32\svchost.exe
                                                            C:\Windows\System32\svchost.exe -k NetworkService -p -s LanmanWorkstation
                                                            1⤵
                                                              PID:2104
                                                            • C:\Windows\System32\svchost.exe
                                                              C:\Windows\System32\svchost.exe -k netsvcs -p -s ShellHWDetection
                                                              1⤵
                                                                PID:1988
                                                              • C:\Windows\System32\svchost.exe
                                                                C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p
                                                                1⤵
                                                                  PID:1900
                                                                • C:\Windows\system32\svchost.exe
                                                                  C:\Windows\system32\svchost.exe -k NetworkService -p -s Dnscache
                                                                  1⤵
                                                                    PID:1888
                                                                  • C:\Windows\System32\svchost.exe
                                                                    C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p
                                                                    1⤵
                                                                      PID:1820
                                                                    • C:\Windows\System32\svchost.exe
                                                                      C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -s RmSvc
                                                                      1⤵
                                                                        PID:2188
                                                                      • C:\Windows\System32\svchost.exe
                                                                        C:\Windows\System32\svchost.exe -k LocalService -p -s netprofm
                                                                        1⤵
                                                                          PID:1760
                                                                        • C:\Windows\system32\svchost.exe
                                                                          C:\Windows\system32\svchost.exe -k LocalService -p -s FontCache
                                                                          1⤵
                                                                            PID:1680
                                                                          • C:\Windows\System32\svchost.exe
                                                                            C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s AudioEndpointBuilder
                                                                            1⤵
                                                                              PID:1660
                                                                            • C:\Windows\System32\svchost.exe
                                                                              C:\Windows\System32\svchost.exe -k NetworkService -p -s NlaSvc
                                                                              1⤵
                                                                                PID:1640
                                                                              • C:\Windows\system32\svchost.exe
                                                                                C:\Windows\system32\svchost.exe -k netsvcs -p -s SENS
                                                                                1⤵
                                                                                  PID:1592
                                                                                • C:\Windows\system32\sihost.exe
                                                                                  sihost.exe
                                                                                  1⤵
                                                                                    PID:2360
                                                                                  • C:\Windows\system32\svchost.exe
                                                                                    C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s Dhcp
                                                                                    1⤵
                                                                                      PID:1520
                                                                                    • C:\Windows\System32\svchost.exe
                                                                                      C:\Windows\System32\svchost.exe -k netsvcs -p -s Themes
                                                                                      1⤵
                                                                                        PID:1436
                                                                                      • C:\Windows\system32\svchost.exe
                                                                                        C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                                                                                        1⤵
                                                                                          PID:2372
                                                                                        • C:\Windows\system32\svchost.exe
                                                                                          C:\Windows\system32\svchost.exe -k LocalService -p -s EventSystem
                                                                                          1⤵
                                                                                            PID:1408
                                                                                          • C:\Windows\system32\svchost.exe
                                                                                            C:\Windows\system32\svchost.exe -k LocalService -p -s nsi
                                                                                            1⤵
                                                                                              PID:1388
                                                                                            • C:\Windows\system32\svchost.exe
                                                                                              C:\Windows\system32\svchost.exe -k netsvcs -p -s IKEEXT
                                                                                              1⤵
                                                                                                PID:2436
                                                                                              • C:\Windows\system32\svchost.exe
                                                                                                C:\Windows\system32\svchost.exe -k NetworkServiceNetworkRestricted -p -s PolicyAgent
                                                                                                1⤵
                                                                                                  PID:2444
                                                                                                • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                                                                                  "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                                                                                  1⤵
                                                                                                    PID:2600
                                                                                                  • C:\Windows\system32\svchost.exe
                                                                                                    C:\Windows\system32\svchost.exe -k netsvcs -p -s UserManager
                                                                                                    1⤵
                                                                                                      PID:1360
                                                                                                    • C:\Windows\system32\svchost.exe
                                                                                                      C:\Windows\system32\svchost.exe -k NetworkService -p -s CryptSvc
                                                                                                      1⤵
                                                                                                        PID:2608
                                                                                                      • C:\Windows\System32\svchost.exe
                                                                                                        C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s EventLog
                                                                                                        1⤵
                                                                                                          PID:1236
                                                                                                        • C:\Windows\system32\svchost.exe
                                                                                                          C:\Windows\system32\svchost.exe -k netsvcs -p -s LanmanServer
                                                                                                          1⤵
                                                                                                            PID:2656
                                                                                                          • C:\Windows\system32\svchost.exe
                                                                                                            C:\Windows\system32\svchost.exe -k netsvcs -p -s Winmgmt
                                                                                                            1⤵
                                                                                                              PID:2684
                                                                                                            • C:\Windows\system32\svchost.exe
                                                                                                              C:\Windows\system32\svchost.exe -k LocalService -p -s DispBrokerDesktopSvc
                                                                                                              1⤵
                                                                                                                PID:1212
                                                                                                              • C:\Windows\System32\svchost.exe
                                                                                                                C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s TrkWks
                                                                                                                1⤵
                                                                                                                  PID:2696
                                                                                                                • C:\Windows\system32\svchost.exe
                                                                                                                  C:\Windows\system32\svchost.exe -k netsvcs -p -s WpnService
                                                                                                                  1⤵
                                                                                                                    PID:2704
                                                                                                                  • C:\Windows\Explorer.EXE
                                                                                                                    C:\Windows\Explorer.EXE
                                                                                                                    1⤵
                                                                                                                      PID:724
                                                                                                                      • C:\Users\Admin\AppData\Local\Temp\b432a8afb4ebd0ea8e0e1361cbf544e15d615bd8ced4e5d092713c73c0ec3dfe.exe
                                                                                                                        "C:\Users\Admin\AppData\Local\Temp\b432a8afb4ebd0ea8e0e1361cbf544e15d615bd8ced4e5d092713c73c0ec3dfe.exe"
                                                                                                                        2⤵
                                                                                                                        • Modifies firewall policy service
                                                                                                                        • Checks computer location settings
                                                                                                                        • Drops file in Windows directory
                                                                                                                        • Modifies registry class
                                                                                                                        • Suspicious behavior: EnumeratesProcesses
                                                                                                                        • Suspicious behavior: MapViewOfSection
                                                                                                                        • Suspicious use of AdjustPrivilegeToken
                                                                                                                        • Suspicious use of WriteProcessMemory
                                                                                                                        PID:2024
                                                                                                                        • C:\Windows\SysWOW64\WerFault.exe
                                                                                                                          C:\Windows\SysWOW64\WerFault.exe -u -p 2024 -s 2056
                                                                                                                          3⤵
                                                                                                                          • Program crash
                                                                                                                          PID:1716
                                                                                                                    • C:\Windows\system32\svchost.exe
                                                                                                                      C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                                                                                                                      1⤵
                                                                                                                        PID:3088
                                                                                                                      • C:\Windows\System32\svchost.exe
                                                                                                                        C:\Windows\System32\svchost.exe -k netsvcs -p
                                                                                                                        1⤵
                                                                                                                          PID:4628
                                                                                                                        • C:\Windows\System32\svchost.exe
                                                                                                                          C:\Windows\System32\svchost.exe -k LocalService -p -s LicenseManager
                                                                                                                          1⤵
                                                                                                                            PID:4984
                                                                                                                          • C:\Windows\System32\svchost.exe
                                                                                                                            C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s StorSvc
                                                                                                                            1⤵
                                                                                                                              PID:4740
                                                                                                                            • C:\Windows\system32\svchost.exe
                                                                                                                              C:\Windows\system32\svchost.exe -k LocalService -p -s CDPSvc
                                                                                                                              1⤵
                                                                                                                                PID:4380
                                                                                                                              • C:\Windows\system32\svchost.exe
                                                                                                                                C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s WinHttpAutoProxySvc
                                                                                                                                1⤵
                                                                                                                                  PID:1428
                                                                                                                                • C:\Windows\system32\svchost.exe
                                                                                                                                  C:\Windows\system32\svchost.exe -k netsvcs -p -s wlidsvc
                                                                                                                                  1⤵
                                                                                                                                    PID:956
                                                                                                                                  • C:\Windows\system32\svchost.exe
                                                                                                                                    C:\Windows\system32\svchost.exe -k LocalService -s W32Time
                                                                                                                                    1⤵
                                                                                                                                      PID:3664
                                                                                                                                    • C:\Windows\SysWOW64\WerFault.exe
                                                                                                                                      C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 2024 -ip 2024
                                                                                                                                      1⤵
                                                                                                                                        PID:3208

                                                                                                                                      Network

                                                                                                                                      MITRE ATT&CK Enterprise v6

                                                                                                                                      Replay Monitor

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                                                                                                                                      Downloads

                                                                                                                                      • memory/2024-132-0x0000000000400000-0x0000000000413000-memory.dmp

                                                                                                                                        Filesize

                                                                                                                                        76KB

                                                                                                                                        Download