Analysis

  • max time kernel
    151s
  • max time network
    45s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    10-10-2022 23:22

General

  • Target

    4e880d27addd9446ac12ab115a9f3f43a79c4b842001d399308f55e35b37e4a4.exe

  • Size

    229KB

  • MD5

    480214f1afd48642dd52d62e1d097460

  • SHA1

    b0b51cf093799b4e77027f65f1f7a6b11b27d113

  • SHA256

    4e880d27addd9446ac12ab115a9f3f43a79c4b842001d399308f55e35b37e4a4

  • SHA512

    190b1eee497828b7fe95bc89cab11e756716d21aa06ddd34894e09c827acd04996a83a65a6f45ca80b7c9925b2deeecc600fd9fd7bf782c49ec9707413a6b842

  • SSDEEP

    6144:xFJ0HvZdazTH6N0tkl3KKJDvQQ9+AAD6aOroS6mv:IBdafO0Md2eaOrVlv

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in System32 directory 3 IoCs
  • Drops file in Program Files directory 52 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • NSIS installer 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 45 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\system32\lsass.exe
    C:\Windows\system32\lsass.exe
    1⤵
      PID:484
    • C:\Windows\system32\services.exe
      C:\Windows\system32\services.exe
      1⤵
        PID:464
        • C:\Windows\system32\svchost.exe
          C:\Windows\system32\svchost.exe -k RPCSS
          2⤵
            PID:672
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k NetworkService
            2⤵
              PID:292
            • C:\Windows\system32\sppsvc.exe
              C:\Windows\system32\sppsvc.exe
              2⤵
                PID:1760
              • C:\Windows\system32\svchost.exe
                C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
                2⤵
                  PID:1744
                • C:\Windows\system32\taskhost.exe
                  "taskhost.exe"
                  2⤵
                    PID:1216
                  • C:\Windows\system32\svchost.exe
                    C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
                    2⤵
                      PID:1044
                    • C:\Windows\System32\spoolsv.exe
                      C:\Windows\System32\spoolsv.exe
                      2⤵
                        PID:456
                      • C:\Windows\system32\svchost.exe
                        C:\Windows\system32\svchost.exe -k netsvcs
                        2⤵
                          PID:872
                        • 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:808
                            • 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 DcomLaunch
                                2⤵
                                  PID:592
                              • C:\Windows\system32\winlogon.exe
                                winlogon.exe
                                1⤵
                                  PID:420
                                • 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\wininit.exe
                                    wininit.exe
                                    1⤵
                                      PID:372
                                      • C:\Windows\system32\lsm.exe
                                        C:\Windows\system32\lsm.exe
                                        2⤵
                                          PID:492
                                      • C:\Windows\system32\wbem\wmiprvse.exe
                                        C:\Windows\system32\wbem\wmiprvse.exe
                                        1⤵
                                          PID:1952
                                        • \\?\C:\Windows\system32\wbem\WMIADAP.EXE
                                          wmiadap.exe /F /T /R
                                          1⤵
                                            PID:1804
                                          • C:\Windows\Explorer.EXE
                                            C:\Windows\Explorer.EXE
                                            1⤵
                                              PID:1376
                                              • C:\Users\Admin\AppData\Local\Temp\4e880d27addd9446ac12ab115a9f3f43a79c4b842001d399308f55e35b37e4a4.exe
                                                "C:\Users\Admin\AppData\Local\Temp\4e880d27addd9446ac12ab115a9f3f43a79c4b842001d399308f55e35b37e4a4.exe"
                                                2⤵
                                                • Adds Run key to start application
                                                • Drops file in System32 directory
                                                • Drops file in Program Files directory
                                                • Suspicious behavior: EnumeratesProcesses
                                                • Suspicious behavior: MapViewOfSection
                                                • Suspicious use of AdjustPrivilegeToken
                                                • Suspicious use of WriteProcessMemory
                                                PID:1660
                                                • C:\Users\Admin\AppData\Local\Temp\4e880d27addd9446ac12ab115a9f3f43a79c4b842001d399308f55e35b37e4a4.exe
                                                  "C:\Users\Admin\AppData\Local\Temp\4e880d27addd9446ac12ab115a9f3f43a79c4b842001d399308f55e35b37e4a4.exe"
                                                  3⤵
                                                  • Executes dropped EXE
                                                  • Suspicious behavior: EnumeratesProcesses
                                                  • Suspicious behavior: MapViewOfSection
                                                  • Suspicious use of AdjustPrivilegeToken
                                                  PID:1664
                                            • C:\Windows\system32\Dwm.exe
                                              "C:\Windows\system32\Dwm.exe"
                                              1⤵
                                                PID:1296

                                              Network

                                              MITRE ATT&CK Enterprise v6

                                              Replay Monitor

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                                              Downloads

                                              • C:\Users\Admin\AppData\Local\Temp\4e880d27addd9446ac12ab115a9f3f43a79c4b842001d399308f55e35b37e4a4.exe

                                                Filesize

                                                229KB

                                                MD5

                                                480214f1afd48642dd52d62e1d097460

                                                SHA1

                                                b0b51cf093799b4e77027f65f1f7a6b11b27d113

                                                SHA256

                                                4e880d27addd9446ac12ab115a9f3f43a79c4b842001d399308f55e35b37e4a4

                                                SHA512

                                                190b1eee497828b7fe95bc89cab11e756716d21aa06ddd34894e09c827acd04996a83a65a6f45ca80b7c9925b2deeecc600fd9fd7bf782c49ec9707413a6b842

                                              • memory/1376-59-0x0000000002720000-0x0000000002721000-memory.dmp

                                                Filesize

                                                4KB

                                              • memory/1660-54-0x0000000075FB1000-0x0000000075FB3000-memory.dmp

                                                Filesize

                                                8KB

                                              • memory/1660-61-0x0000000000400000-0x0000000000587000-memory.dmp

                                                Filesize

                                                1.5MB

                                              • memory/1660-62-0x0000000002000000-0x0000000002187000-memory.dmp

                                                Filesize

                                                1.5MB

                                              • memory/1660-63-0x0000000000400000-0x0000000000587000-memory.dmp

                                                Filesize

                                                1.5MB

                                              • memory/1664-58-0x0000000000400000-0x0000000000587000-memory.dmp

                                                Filesize

                                                1.5MB