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Analysis

  • max time kernel
    120s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    20/09/2024, 21:07

General

  • Target

    bdefef2c15c070b8a8311c32e5c72973ecf2b3c26ae59cb47ffe9a7fd30f7cbaN.dll

  • Size

    93KB

  • MD5

    c4f3b9623fadc78ec38f777eed8462e0

  • SHA1

    2b7d0cdfa66129f95cde8e2d5a4bcb1017a2a58d

  • SHA256

    bdefef2c15c070b8a8311c32e5c72973ecf2b3c26ae59cb47ffe9a7fd30f7cba

  • SHA512

    db81d33d08651c9b6e25e1f3bda93fe955e4a79be6658f9c4fe2e1f69ac15c91d756940d7310b3e1fd25e81e55e0957e4b0c722fff3fd740280e09336e7fb279

  • SSDEEP

    1536:ImZJdMmJyDl+2BZloWyHjmgVe/z9r3G/qsxS+JZ78cglmH:IIJuIyDPZFyHj9Ve/FDISMZ7

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 3 IoCs
  • Enumerates connected drives 3 TTPs 42 IoCs

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

  • Drops file in System32 directory 3 IoCs
  • Drops file in Program Files directory 32 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 51 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\system32\wininit.exe
    wininit.exe
    1⤵
      PID:372
      • C:\Windows\system32\services.exe
        C:\Windows\system32\services.exe
        2⤵
          PID:464
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k DcomLaunch
            3⤵
              PID:592
              • C:\Windows\system32\wbem\wmiprvse.exe
                C:\Windows\system32\wbem\wmiprvse.exe
                4⤵
                  PID:840
                • C:\Windows\system32\DllHost.exe
                  C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                  4⤵
                    PID:1480
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k RPCSS
                  3⤵
                    PID:672
                  • C:\Windows\System32\svchost.exe
                    C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted
                    3⤵
                      PID:756
                    • C:\Windows\System32\svchost.exe
                      C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted
                      3⤵
                        PID:812
                        • C:\Windows\system32\Dwm.exe
                          "C:\Windows\system32\Dwm.exe"
                          4⤵
                            PID:1216
                        • C:\Windows\system32\svchost.exe
                          C:\Windows\system32\svchost.exe -k netsvcs
                          3⤵
                            PID:844
                          • C:\Windows\system32\svchost.exe
                            C:\Windows\system32\svchost.exe -k LocalService
                            3⤵
                              PID:988
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k NetworkService
                              3⤵
                                PID:284
                              • C:\Windows\System32\spoolsv.exe
                                C:\Windows\System32\spoolsv.exe
                                3⤵
                                  PID:1016
                                • C:\Windows\system32\svchost.exe
                                  C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
                                  3⤵
                                    PID:1032
                                  • C:\Windows\system32\taskhost.exe
                                    "taskhost.exe"
                                    3⤵
                                      PID:1128
                                    • C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPSVC.EXE
                                      "C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPSVC.EXE"
                                      3⤵
                                        PID:2040
                                      • C:\Windows\system32\svchost.exe
                                        C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
                                        3⤵
                                          PID:1196
                                        • C:\Windows\system32\sppsvc.exe
                                          C:\Windows\system32\sppsvc.exe
                                          3⤵
                                            PID:1592
                                          • C:\Windows\SysWOW64\wwgoke.exe
                                            C:\Windows\SysWOW64\wwgoke.exe
                                            3⤵
                                            • Executes dropped EXE
                                            • Loads dropped DLL
                                            • Enumerates connected drives
                                            • Drops file in System32 directory
                                            • Drops file in Program Files directory
                                            • System Location Discovery: System Language Discovery
                                            • Suspicious behavior: EnumeratesProcesses
                                            • Suspicious behavior: MapViewOfSection
                                            • Suspicious use of AdjustPrivilegeToken
                                            • Suspicious use of SetWindowsHookEx
                                            PID:2680
                                        • C:\Windows\system32\lsass.exe
                                          C:\Windows\system32\lsass.exe
                                          2⤵
                                            PID:480
                                          • C:\Windows\system32\lsm.exe
                                            C:\Windows\system32\lsm.exe
                                            2⤵
                                              PID:488
                                          • C:\Windows\system32\csrss.exe
                                            %SystemRoot%\system32\csrss.exe ObjectDirectory=\Windows SharedSection=1024,20480,768 Windows=On SubSystemType=Windows ServerDll=basesrv,1 ServerDll=winsrv:UserServerDllInitialization,3 ServerDll=winsrv:ConServerDllInitialization,2 ServerDll=sxssrv,4 ProfileControl=Off MaxRequestThreads=16
                                            1⤵
                                              PID:384
                                            • C:\Windows\system32\winlogon.exe
                                              winlogon.exe
                                              1⤵
                                                PID:420
                                              • C:\Windows\Explorer.EXE
                                                C:\Windows\Explorer.EXE
                                                1⤵
                                                  PID:1268
                                                  • C:\Windows\system32\rundll32.exe
                                                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\bdefef2c15c070b8a8311c32e5c72973ecf2b3c26ae59cb47ffe9a7fd30f7cbaN.dll,#1
                                                    2⤵
                                                    • Suspicious use of WriteProcessMemory
                                                    PID:2180
                                                    • C:\Windows\SysWOW64\rundll32.exe
                                                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\bdefef2c15c070b8a8311c32e5c72973ecf2b3c26ae59cb47ffe9a7fd30f7cbaN.dll,#1
                                                      3⤵
                                                      • Loads dropped DLL
                                                      • Enumerates connected drives
                                                      • System Location Discovery: System Language Discovery
                                                      • Suspicious use of WriteProcessMemory
                                                      PID:2292
                                                      • C:\Users\Admin\AppData\Local\Temp\hrl1C38.tmp
                                                        C:\Users\Admin\AppData\Local\Temp\hrl1C38.tmp
                                                        4⤵
                                                        • Executes dropped EXE
                                                        • Drops file in System32 directory
                                                        • System Location Discovery: System Language Discovery
                                                        • Suspicious behavior: EnumeratesProcesses
                                                        • Suspicious behavior: MapViewOfSection
                                                        • Suspicious use of AdjustPrivilegeToken
                                                        • Suspicious use of SetWindowsHookEx
                                                        • Suspicious use of WriteProcessMemory
                                                        PID:2432

                                                Network

                                                MITRE ATT&CK Enterprise v15

                                                Replay Monitor

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                                                Downloads

                                                • C:\Users\Admin\AppData\Local\Temp\hrl1C38.tmp

                                                  Filesize

                                                  85KB

                                                  MD5

                                                  a1c541bc7c723396464af1a0cd736842

                                                  SHA1

                                                  d1170dedcfe3d11b000f9235e2cd1be43c13e134

                                                  SHA256

                                                  6b762ae5e8f14098e75be421ad71ccd4fde4a8afcbe197bad3648378480b568b

                                                  SHA512

                                                  efeaa0ba159a1fcd365de4f40812b0b1bd3bf906e875262583b4636899096712deefec19375c5f1677dd8dcd0cc14a3b5740bd239c8c965dd4faabedacd2c8c8

                                                • \Windows\SysWOW64\hra33.dll

                                                  Filesize

                                                  93KB

                                                  MD5

                                                  c4f3b9623fadc78ec38f777eed8462e0

                                                  SHA1

                                                  2b7d0cdfa66129f95cde8e2d5a4bcb1017a2a58d

                                                  SHA256

                                                  bdefef2c15c070b8a8311c32e5c72973ecf2b3c26ae59cb47ffe9a7fd30f7cba

                                                  SHA512

                                                  db81d33d08651c9b6e25e1f3bda93fe955e4a79be6658f9c4fe2e1f69ac15c91d756940d7310b3e1fd25e81e55e0957e4b0c722fff3fd740280e09336e7fb279

                                                • memory/2292-8-0x0000000000400000-0x000000000041A000-memory.dmp

                                                  Filesize

                                                  104KB

                                                • memory/2292-3-0x0000000000400000-0x000000000041A000-memory.dmp

                                                  Filesize

                                                  104KB

                                                • memory/2292-75-0x0000000000400000-0x000000000041A000-memory.dmp

                                                  Filesize

                                                  104KB

                                                • memory/2432-11-0x0000000076F90000-0x0000000076F91000-memory.dmp

                                                  Filesize

                                                  4KB

                                                • memory/2432-10-0x0000000076F8F000-0x0000000076F90000-memory.dmp

                                                  Filesize

                                                  4KB

                                                • memory/2432-17-0x000000007EF90000-0x000000007EF9C000-memory.dmp

                                                  Filesize

                                                  48KB

                                                • memory/2432-16-0x0000000000400000-0x000000000041A000-memory.dmp

                                                  Filesize

                                                  104KB

                                                • memory/2680-76-0x0000000000400000-0x000000000041A000-memory.dmp

                                                  Filesize

                                                  104KB