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Analysis

  • max time kernel
    38s
  • max time network
    47s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    20/10/2022, 10:59

General

  • Target

    fb609db960e18f3875682e9888eaa945a5e2cec2a19258d2e4c643b265d33311.exe

  • Size

    27KB

  • MD5

    4cf9a0e59f85d1f67589126714b44a90

  • SHA1

    e80a6f95641069db65ce828d6a324c855068d0c1

  • SHA256

    fb609db960e18f3875682e9888eaa945a5e2cec2a19258d2e4c643b265d33311

  • SHA512

    6ce901eb92752ef5ae7f1e6dbeae4a9736e85dc474dd457f3dd5bf00fc880ea3134c0545ec0cebef8059c901394a28ae83955310fe9c6073bec05a79007ba5ed

  • SSDEEP

    384:L/z2pecYxBmBEWygWFgXQKqeL0AP24LJYfcUzQN1k9tP2BoU9GvQAPw:mE17FKqe5JsXQNuO4o1

Score
5/10

Malware Config

Signatures

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

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

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious behavior: MapViewOfSection 21 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 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\sppsvc.exe
          C:\Windows\system32\sppsvc.exe
          2⤵
            PID:1680
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
            2⤵
              PID:1644
            • C:\Windows\system32\taskhost.exe
              "taskhost.exe"
              2⤵
                PID:1224
              • C:\Windows\system32\svchost.exe
                C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
                2⤵
                  PID:1052
                • C:\Windows\System32\spoolsv.exe
                  C:\Windows\System32\spoolsv.exe
                  2⤵
                    PID:452
                  • C:\Windows\system32\svchost.exe
                    C:\Windows\system32\svchost.exe -k NetworkService
                    2⤵
                      PID:336
                    • C:\Windows\system32\svchost.exe
                      C:\Windows\system32\svchost.exe -k netsvcs
                      2⤵
                        PID:888
                      • C:\Windows\system32\svchost.exe
                        C:\Windows\system32\svchost.exe -k LocalService
                        2⤵
                          PID:844
                        • C:\Windows\System32\svchost.exe
                          C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted
                          2⤵
                            PID:816
                          • C:\Windows\System32\svchost.exe
                            C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted
                            2⤵
                              PID:756
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k RPCSS
                              2⤵
                                PID:676
                              • C:\Windows\system32\svchost.exe
                                C:\Windows\system32\svchost.exe -k DcomLaunch
                                2⤵
                                  PID:600
                              • C:\Windows\system32\winlogon.exe
                                winlogon.exe
                                1⤵
                                  PID:416
                                • 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:376
                                  • C:\Windows\system32\wininit.exe
                                    wininit.exe
                                    1⤵
                                      PID:368
                                      • C:\Windows\system32\lsm.exe
                                        C:\Windows\system32\lsm.exe
                                        2⤵
                                          PID:484
                                      • \\?\C:\Windows\system32\wbem\WMIADAP.EXE
                                        wmiadap.exe /F /T /R
                                        1⤵
                                          PID:1136
                                        • C:\Users\Admin\AppData\Local\Temp\fb609db960e18f3875682e9888eaa945a5e2cec2a19258d2e4c643b265d33311.exe
                                          "C:\Users\Admin\AppData\Local\Temp\fb609db960e18f3875682e9888eaa945a5e2cec2a19258d2e4c643b265d33311.exe"
                                          1⤵
                                          • Drops file in System32 directory
                                          • Suspicious behavior: EnumeratesProcesses
                                          • Suspicious behavior: MapViewOfSection
                                          • Suspicious use of AdjustPrivilegeToken
                                          • Suspicious use of WriteProcessMemory
                                          PID:880
                                        • C:\Windows\Explorer.EXE
                                          C:\Windows\Explorer.EXE
                                          1⤵
                                            PID:1396
                                          • C:\Windows\system32\Dwm.exe
                                            "C:\Windows\system32\Dwm.exe"
                                            1⤵
                                              PID:1340

                                            Network

                                            MITRE ATT&CK Enterprise v6

                                            Replay Monitor

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                                            Downloads

                                            • memory/880-54-0x0000000076871000-0x0000000076873000-memory.dmp

                                              Filesize

                                              8KB

                                            • memory/880-55-0x0000000001000000-0x0000000001009000-memory.dmp

                                              Filesize

                                              36KB

                                            • memory/880-56-0x0000000001000000-0x0000000001009000-memory.dmp

                                              Filesize

                                              36KB