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Analysis

  • max time kernel
    151s
  • max time network
    152s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    06/11/2022, 17:40

General

  • Target

    6197863afb1384802a078201f1191819aba45969588019509c3e8b926f39f47b.exe

  • Size

    825KB

  • MD5

    09cc392a209f7926599cbaf81f074b3d

  • SHA1

    99db65c558635987d6794ab8373ac20c18fe968b

  • SHA256

    6197863afb1384802a078201f1191819aba45969588019509c3e8b926f39f47b

  • SHA512

    1777a7ccbc61b7f2f22048d588e8dec6d59ef91efd834b4f4667bc2f66df82ca6597c02601c2805c5d605b8f4f00e06e0e423cb84f28bd985fe08c8954beed67

  • SSDEEP

    6144:iO67wjsJHnPyNmeAJg57xoP3yf1UHmUwPSWjg2f82P6Fftk9Lt6VVqB:n67jqNmev57xoPifrPSYg2v6FfuR2k

Score
10/10

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 24 IoCs

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

  • Drops file in System32 directory 4 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: MapViewOfSection 22 IoCs
  • Suspicious use of AdjustPrivilegeToken 17 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\system32\lsass.exe
    C:\Windows\system32\lsass.exe
    1⤵
      PID:476
    • C:\Windows\system32\services.exe
      C:\Windows\system32\services.exe
      1⤵
        PID:460
        • C:\Windows\system32\svchost.exe
          C:\Windows\system32\svchost.exe -k netsvcs
          2⤵
            PID:872
            • \\?\C:\Windows\system32\wbem\WMIADAP.EXE
              wmiadap.exe /F /T /R
              3⤵
                PID:1956
            • C:\Windows\system32\sppsvc.exe
              C:\Windows\system32\sppsvc.exe
              2⤵
                PID:1804
              • C:\Windows\system32\svchost.exe
                C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
                2⤵
                  PID:1604
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
                  2⤵
                    PID:1108
                  • C:\Windows\system32\taskhost.exe
                    "taskhost.exe"
                    2⤵
                      PID:1100
                    • C:\Windows\System32\spoolsv.exe
                      C:\Windows\System32\spoolsv.exe
                      2⤵
                        PID:1028
                      • C:\Windows\system32\svchost.exe
                        C:\Windows\system32\svchost.exe -k NetworkService
                        2⤵
                          PID:300
                        • C:\Windows\system32\svchost.exe
                          C:\Windows\system32\svchost.exe -k LocalService
                          2⤵
                            PID:836
                          • C:\Windows\System32\svchost.exe
                            C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted
                            2⤵
                              PID:796
                            • C:\Windows\System32\svchost.exe
                              C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted
                              2⤵
                                PID:740
                              • C:\Windows\system32\svchost.exe
                                C:\Windows\system32\svchost.exe -k RPCSS
                                2⤵
                                  PID:664
                                • C:\Windows\system32\svchost.exe
                                  C:\Windows\system32\svchost.exe -k DcomLaunch
                                  2⤵
                                    PID:588
                                • C:\Windows\system32\winlogon.exe
                                  winlogon.exe
                                  1⤵
                                    PID:416
                                  • C:\Windows\system32\wininit.exe
                                    wininit.exe
                                    1⤵
                                      PID:376
                                      • C:\Windows\system32\lsm.exe
                                        C:\Windows\system32\lsm.exe
                                        2⤵
                                          PID:484
                                      • 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:368
                                        • C:\Windows\system32\Dwm.exe
                                          "C:\Windows\system32\Dwm.exe"
                                          1⤵
                                            PID:1184
                                          • C:\Windows\system32\wbem\wmiprvse.exe
                                            C:\Windows\system32\wbem\wmiprvse.exe
                                            1⤵
                                              PID:1664
                                            • C:\Windows\Explorer.EXE
                                              C:\Windows\Explorer.EXE
                                              1⤵
                                                PID:1212
                                                • C:\Users\Admin\AppData\Local\Temp\6197863afb1384802a078201f1191819aba45969588019509c3e8b926f39f47b.exe
                                                  "C:\Users\Admin\AppData\Local\Temp\6197863afb1384802a078201f1191819aba45969588019509c3e8b926f39f47b.exe"
                                                  2⤵
                                                  • Modifies WinLogon for persistence
                                                  • Adds Run key to start application
                                                  • Enumerates connected drives
                                                  • Drops file in System32 directory
                                                  • Drops file in Windows directory
                                                  • Suspicious behavior: EnumeratesProcesses
                                                  • Suspicious behavior: MapViewOfSection
                                                  • Suspicious use of AdjustPrivilegeToken
                                                  • Suspicious use of WriteProcessMemory
                                                  PID:896

                                              Network

                                              MITRE ATT&CK Enterprise v6

                                              Replay Monitor

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                                              Downloads

                                              • memory/896-54-0x0000000075E31000-0x0000000075E33000-memory.dmp

                                                Filesize

                                                8KB

                                              • memory/896-55-0x0000000000400000-0x00000000004F2000-memory.dmp

                                                Filesize

                                                968KB

                                              • memory/896-56-0x0000000000400000-0x00000000004F2000-memory.dmp

                                                Filesize

                                                968KB