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Analysis

  • max time kernel
    150s
  • max time network
    79s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    30/10/2022, 21:13

General

  • Target

    85cfe47f75bb6d1ab540a126ed440a76389475d4cc1a9025f73a4f6dacb72904.exe

  • Size

    1.2MB

  • MD5

    a229fa7d8547746d6870480b728adf66

  • SHA1

    0c3ea083d601faa3dfc957e7289ff1b96cfb0a61

  • SHA256

    85cfe47f75bb6d1ab540a126ed440a76389475d4cc1a9025f73a4f6dacb72904

  • SHA512

    2a14a24682a82b65a49f14ef83481bbe62cc7857a8586d991724e5387f605b7b7cacd83fdc27c2668e8e99c2c986254050c26ad6cf9e1530780a69c927ec2938

  • SSDEEP

    12288:nqOPajQUXXP8QvLWFx6Mo5rippDC7ee1hpls4EySN+:nnajQEPnvg6PhWDC75UN+

Score
6/10

Malware Config

Signatures

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 22 IoCs

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

  • Drops file in System32 directory 6 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 23 IoCs
  • Suspicious use of AdjustPrivilegeToken 21 IoCs
  • Suspicious use of SetWindowsHookEx 4 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:472
        • C:\Windows\System32\svchost.exe
          C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted
          2⤵
            PID:812
            • C:\Windows\system32\Dwm.exe
              "C:\Windows\system32\Dwm.exe"
              3⤵
                PID:1188
            • C:\Windows\system32\sppsvc.exe
              C:\Windows\system32\sppsvc.exe
              2⤵
                PID:1088
              • C:\Windows\system32\svchost.exe
                C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
                2⤵
                  PID:740
                • C:\Windows\system32\taskhost.exe
                  "taskhost.exe"
                  2⤵
                    PID:1128
                  • C:\Windows\system32\svchost.exe
                    C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
                    2⤵
                      PID:1072
                    • C:\Windows\System32\spoolsv.exe
                      C:\Windows\System32\spoolsv.exe
                      2⤵
                        PID:272
                      • 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 netsvcs
                          2⤵
                            PID:888
                          • C:\Windows\system32\svchost.exe
                            C:\Windows\system32\svchost.exe -k LocalService
                            2⤵
                              PID:840
                            • C:\Windows\System32\svchost.exe
                              C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted
                              2⤵
                                PID:752
                              • 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: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:360
                                        • C:\Windows\system32\lsm.exe
                                          C:\Windows\system32\lsm.exe
                                          2⤵
                                            PID:488
                                        • \\?\C:\Windows\system32\wbem\WMIADAP.EXE
                                          wmiadap.exe /F /T /R
                                          1⤵
                                            PID:1988
                                          • C:\Windows\Explorer.EXE
                                            C:\Windows\Explorer.EXE
                                            1⤵
                                              PID:1224
                                              • C:\Users\Admin\AppData\Local\Temp\85cfe47f75bb6d1ab540a126ed440a76389475d4cc1a9025f73a4f6dacb72904.exe
                                                "C:\Users\Admin\AppData\Local\Temp\85cfe47f75bb6d1ab540a126ed440a76389475d4cc1a9025f73a4f6dacb72904.exe"
                                                2⤵
                                                • Adds Run key to start application
                                                • Drops file in System32 directory
                                                • Suspicious use of AdjustPrivilegeToken
                                                • Suspicious use of WriteProcessMemory
                                                PID:1716
                                                • C:\Users\Admin\AppData\Local\Temp\85cfe47f75bb6d1ab540a126ed440a76389475d4cc1a9025f73a4f6dacb72904.exe
                                                  "C:\Users\Admin\AppData\Local\Temp\85cfe47f75bb6d1ab540a126ed440a76389475d4cc1a9025f73a4f6dacb72904.exe"
                                                  3⤵
                                                  • Adds Run key to start application
                                                  • Enumerates connected drives
                                                  • Drops file in System32 directory
                                                  • Suspicious use of AdjustPrivilegeToken
                                                  • Suspicious use of WriteProcessMemory
                                                  PID:1160
                                                  • C:\Users\Admin\AppData\Local\Temp\85cfe47f75bb6d1ab540a126ed440a76389475d4cc1a9025f73a4f6dacb72904.exe
                                                    "C:\Users\Admin\AppData\Local\Temp\85cfe47f75bb6d1ab540a126ed440a76389475d4cc1a9025f73a4f6dacb72904.exe"
                                                    4⤵
                                                    • Suspicious behavior: EnumeratesProcesses
                                                    • Suspicious behavior: MapViewOfSection
                                                    • Suspicious use of AdjustPrivilegeToken
                                                    • Suspicious use of SetWindowsHookEx
                                                    • Suspicious use of WriteProcessMemory
                                                    PID:2012

                                            Network

                                            MITRE ATT&CK Enterprise v6

                                            Replay Monitor

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                                            Downloads

                                            • memory/1160-64-0x0000000000400000-0x000000000052E000-memory.dmp

                                              Filesize

                                              1.2MB

                                            • memory/1160-67-0x000000007EFA0000-0x000000007EFA8000-memory.dmp

                                              Filesize

                                              32KB

                                            • memory/1160-66-0x0000000000400000-0x000000000052E000-memory.dmp

                                              Filesize

                                              1.2MB

                                            • memory/1160-65-0x000000007EFA0000-0x000000007EFA8000-memory.dmp

                                              Filesize

                                              32KB

                                            • memory/1224-68-0x0000000002A60000-0x0000000002A61000-memory.dmp

                                              Filesize

                                              4KB

                                            • memory/1224-60-0x0000000002A50000-0x0000000002A51000-memory.dmp

                                              Filesize

                                              4KB

                                            • memory/1716-63-0x0000000000530000-0x000000000065E000-memory.dmp

                                              Filesize

                                              1.2MB

                                            • memory/1716-54-0x00000000765B1000-0x00000000765B3000-memory.dmp

                                              Filesize

                                              8KB

                                            • memory/1716-62-0x0000000000400000-0x000000000052E000-memory.dmp

                                              Filesize

                                              1.2MB

                                            • memory/1716-70-0x000000007EFA0000-0x000000007EFA8000-memory.dmp

                                              Filesize

                                              32KB

                                            • memory/1716-71-0x000000007EFA0000-0x000000007EFA8000-memory.dmp

                                              Filesize

                                              32KB

                                            • memory/2012-59-0x0000000000400000-0x000000000052E000-memory.dmp

                                              Filesize

                                              1.2MB