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Analysis

  • max time kernel
    144s
  • max time network
    47s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    23/11/2022, 18:11

General

  • Target

    55eeda06d639784b51cc51e24507ac7dd86f2b0ec585465b65da011d42a036fb.exe

  • Size

    173KB

  • MD5

    4741cc1a221ddf668170ec8040d2a749

  • SHA1

    16f8ecc44276e8b644811ac0b83b27af82b12d5d

  • SHA256

    55eeda06d639784b51cc51e24507ac7dd86f2b0ec585465b65da011d42a036fb

  • SHA512

    86f8a8d000728908d03627a5cfd6812f11fc03de484bbe02a21357b11c46e9ed790dc7c2e3da989397ce62654c8defe5f0b79e42967d4fc7581f8639e246b63d

  • SSDEEP

    3072:Ynz2z/jMwe8Rco9+qol6WpJ/HAUZHfeEps4X:3z/t+SWPIKHfeGX

Score
3/10

Malware Config

Signatures

  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 20 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 21 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\system32\lsass.exe
    C:\Windows\system32\lsass.exe
    1⤵
      PID:480
    • C:\Windows\system32\services.exe
      C:\Windows\system32\services.exe
      1⤵
        PID:464
        • C:\Windows\system32\svchost.exe
          C:\Windows\system32\svchost.exe -k netsvcs
          2⤵
            PID:888
            • \\?\C:\Windows\system32\wbem\WMIADAP.EXE
              wmiadap.exe /F /T /R
              3⤵
                PID:1876
            • C:\Windows\system32\svchost.exe
              C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
              2⤵
                PID:296
              • C:\Windows\system32\sppsvc.exe
                C:\Windows\system32\sppsvc.exe
                2⤵
                  PID:1232
                • C:\Windows\system32\taskhost.exe
                  "taskhost.exe"
                  2⤵
                    PID:1116
                  • C:\Windows\system32\svchost.exe
                    C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
                    2⤵
                      PID:1104
                    • C:\Windows\System32\spoolsv.exe
                      C:\Windows\System32\spoolsv.exe
                      2⤵
                        PID:1044
                      • C:\Windows\system32\svchost.exe
                        C:\Windows\system32\svchost.exe -k NetworkService
                        2⤵
                          PID:340
                        • C:\Windows\system32\svchost.exe
                          C:\Windows\system32\svchost.exe -k LocalService
                          2⤵
                            PID:852
                          • C:\Windows\System32\svchost.exe
                            C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted
                            2⤵
                              PID:824
                            • 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:680
                                • C:\Windows\system32\svchost.exe
                                  C:\Windows\system32\svchost.exe -k DcomLaunch
                                  2⤵
                                    PID:596
                                • 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:488
                                        • C:\Windows\Explorer.EXE
                                          C:\Windows\Explorer.EXE
                                          1⤵
                                            PID:1216
                                            • C:\Users\Admin\AppData\Local\Temp\55eeda06d639784b51cc51e24507ac7dd86f2b0ec585465b65da011d42a036fb.exe
                                              "C:\Users\Admin\AppData\Local\Temp\55eeda06d639784b51cc51e24507ac7dd86f2b0ec585465b65da011d42a036fb.exe"
                                              2⤵
                                              • Modifies registry class
                                              • Suspicious behavior: EnumeratesProcesses
                                              • Suspicious behavior: GetForegroundWindowSpam
                                              • Suspicious behavior: MapViewOfSection
                                              • Suspicious use of AdjustPrivilegeToken
                                              • Suspicious use of SetWindowsHookEx
                                              • Suspicious use of WriteProcessMemory
                                              PID:1872
                                          • C:\Windows\system32\Dwm.exe
                                            "C:\Windows\system32\Dwm.exe"
                                            1⤵
                                              PID:1188

                                            Network

                                            MITRE ATT&CK Enterprise v6

                                            Replay Monitor

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                                            Downloads

                                            • memory/1872-54-0x0000000075571000-0x0000000075573000-memory.dmp

                                              Filesize

                                              8KB

                                            • memory/1872-55-0x0000000000400000-0x000000000042F000-memory.dmp

                                              Filesize

                                              188KB

                                            • memory/1872-56-0x00000000001C0000-0x00000000001EF000-memory.dmp

                                              Filesize

                                              188KB

                                            • memory/1872-57-0x00000000001C0000-0x00000000001EF000-memory.dmp

                                              Filesize

                                              188KB

                                            • memory/1872-58-0x0000000073F71000-0x0000000073F73000-memory.dmp

                                              Filesize

                                              8KB

                                            • memory/1872-59-0x0000000000400000-0x000000000042F000-memory.dmp

                                              Filesize

                                              188KB