Analysis

  • max time kernel
    151s
  • max time network
    42s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    25-11-2022 21:11

General

  • Target

    c1ff7936d3eb96ab174c4411bfb95ae7ba287e0a9abb8cd26002610b62318de4.exe

  • Size

    1.4MB

  • MD5

    8901e13e8e01a6f9223c78a903d8fb46

  • SHA1

    a015f096d431e42e0df67b21c4eabe4ebf2f476a

  • SHA256

    c1ff7936d3eb96ab174c4411bfb95ae7ba287e0a9abb8cd26002610b62318de4

  • SHA512

    f7ae948f33fb2270c5ea5bd150c039592edb8d1511dce1077739f17b4f91c6b43c9075a71f15248f7f94f0c159be3e5dcd189c93b7bcbc99847a8185f374ff08

  • SSDEEP

    24576:q9WQitvyUilzOUxaOWk01G4fbu/F41jen6KXYzkEEknJS7DFN4L3GmPA705sCvsF:q9WDAUozOUxaOyGau6I6WPDvlAAoefk1

Malware Config

Signatures

  • Detected Xorist Ransomware 2 IoCs
  • Xorist Ransomware

    Xorist is a ransomware first seen in 2020.

  • Drops file in Drivers directory 8 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops file in System32 directory 64 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 64 IoCs
  • Modifies registry class 10 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious behavior: MapViewOfSection 20 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\svchost.exe
          C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted
          2⤵
            PID:748
          • C:\Windows\System32\svchost.exe
            C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted
            2⤵
              PID:796
              • C:\Windows\system32\Dwm.exe
                "C:\Windows\system32\Dwm.exe"
                3⤵
                  PID:1312
              • C:\Windows\system32\svchost.exe
                C:\Windows\system32\svchost.exe -k netsvcs
                2⤵
                  PID:864
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k NetworkService
                  2⤵
                    PID:296
                  • C:\Windows\system32\taskhost.exe
                    "taskhost.exe"
                    2⤵
                      PID:1232
                    • C:\Windows\system32\svchost.exe
                      C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
                      2⤵
                        PID:600
                      • C:\Windows\system32\sppsvc.exe
                        C:\Windows\system32\sppsvc.exe
                        2⤵
                          PID:1848
                        • C:\Windows\system32\svchost.exe
                          C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
                          2⤵
                            PID:324
                          • C:\Windows\System32\spoolsv.exe
                            C:\Windows\System32\spoolsv.exe
                            2⤵
                              PID:1008
                            • 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 RPCSS
                                2⤵
                                  PID:664
                                • C:\Windows\system32\svchost.exe
                                  C:\Windows\system32\svchost.exe -k DcomLaunch
                                  2⤵
                                    PID:584
                                • 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\Explorer.EXE
                                          C:\Windows\Explorer.EXE
                                          1⤵
                                            PID:1360
                                            • C:\Users\Admin\AppData\Local\Temp\c1ff7936d3eb96ab174c4411bfb95ae7ba287e0a9abb8cd26002610b62318de4.exe
                                              "C:\Users\Admin\AppData\Local\Temp\c1ff7936d3eb96ab174c4411bfb95ae7ba287e0a9abb8cd26002610b62318de4.exe"
                                              2⤵
                                              • Drops file in Drivers directory
                                              • Adds Run key to start application
                                              • Drops file in System32 directory
                                              • Drops file in Program Files directory
                                              • Drops file in Windows directory
                                              • Modifies registry class
                                              • Suspicious behavior: EnumeratesProcesses
                                              • Suspicious behavior: MapViewOfSection
                                              • Suspicious use of AdjustPrivilegeToken
                                              • Suspicious use of WriteProcessMemory
                                              PID:784

                                          Network

                                          MITRE ATT&CK Enterprise v6

                                          Replay Monitor

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                                          Downloads

                                          • memory/784-54-0x0000000075FC1000-0x0000000075FC3000-memory.dmp

                                            Filesize

                                            8KB

                                          • memory/784-55-0x0000000000400000-0x0000000000560000-memory.dmp

                                            Filesize

                                            1.4MB

                                          • memory/784-56-0x0000000000400000-0x0000000000560000-memory.dmp

                                            Filesize

                                            1.4MB