Analysis

  • max time kernel
    150s
  • max time network
    8s
  • 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

    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 8 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\32f9e35d861d166a7ae22eb24f50ab0fb1adedc9f1ae5f1ce2c76e3268b2b4c1.exe
    "C:\Users\Admin\AppData\Local\Temp\32f9e35d861d166a7ae22eb24f50ab0fb1adedc9f1ae5f1ce2c76e3268b2b4c1.exe"
    1⤵
    • Enumerates connected drives
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1044
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c mkdir C:\ProgramData\Service
      2⤵
        PID:1028
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c @echo off
        2⤵
          PID:1632
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c chcp 437
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:1372
          • C:\Windows\SysWOW64\chcp.com
            chcp 437
            3⤵
              PID:1444
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c mkdir "%TEMP%\Service"
            2⤵
              PID:2040
            • C:\Windows\System32\cmd.exe
              "C:\Windows\System32\cmd.exe" /c vssadmin resize shadowstorage /for=C:\ /on=C:\ /maxsize=401MB
              2⤵
                PID:1240
                • C:\Windows\system32\vssadmin.exe
                  vssadmin resize shadowstorage /for=C:\ /on=C:\ /maxsize=401MB
                  3⤵
                  • Interacts with shadow copies
                  PID:1980
              • C:\Windows\System32\cmd.exe
                "C:\Windows\System32\cmd.exe" /c vssadmin.exe Delete Shadows /all /quiet
                2⤵
                • Suspicious use of WriteProcessMemory
                PID:1828
                • C:\Windows\system32\vssadmin.exe
                  vssadmin.exe Delete Shadows /all /quiet
                  3⤵
                  • Interacts with shadow copies
                  PID:1744
              • C:\Windows\System32\cmd.exe
                "C:\Windows\System32\cmd.exe" /c bcdedit /set {default} recoveryenabled No
                2⤵
                  PID:596
                  • C:\Windows\system32\bcdedit.exe
                    bcdedit /set {default} recoveryenabled No
                    3⤵
                    • Modifies boot configuration data using bcdedit
                    PID:1060
                • 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:1340
                  • C:\Windows\system32\vssadmin.exe
                    vssadmin resize shadowstorage /for=C:\ /on=C:\ /maxsize=unbounded
                    3⤵
                    • Interacts with shadow copies
                    PID:1852
                • C:\Windows\System32\cmd.exe
                  "C:\Windows\System32\cmd.exe" /c vssadmin resize shadowstorage /for=E:\ /on=E:\ /maxsize=401MB
                  2⤵
                    PID:556
                    • C:\Windows\system32\vssadmin.exe
                      vssadmin resize shadowstorage /for=E:\ /on=E:\ /maxsize=401MB
                      3⤵
                      • Enumerates connected drives
                      • Interacts with shadow copies
                      PID:2012
                  • C:\Windows\System32\cmd.exe
                    "C:\Windows\System32\cmd.exe" /c vssadmin resize shadowstorage /for=E:\ /on=E:\ /maxsize=unbounded
                    2⤵
                      PID:616
                      • C:\Windows\system32\vssadmin.exe
                        vssadmin resize shadowstorage /for=E:\ /on=E:\ /maxsize=unbounded
                        3⤵
                        • Enumerates connected drives
                        • Interacts with shadow copies
                        PID:928
                    • C:\Windows\System32\cmd.exe
                      "C:\Windows\System32\cmd.exe" /c bcdedit /set {default} bootstatuspolicy IgnoreAllFailures
                      2⤵
                        PID:1112
                        • C:\Windows\system32\bcdedit.exe
                          bcdedit /set {default} bootstatuspolicy IgnoreAllFailures
                          3⤵
                          • Modifies boot configuration data using bcdedit
                          PID:1444
                      • C:\Windows\System32\cmd.exe
                        "C:\Windows\System32\cmd.exe" /c vssadmin resize shadowstorage /for=F:\ /on=F:\ /maxsize=401MB
                        2⤵
                          PID:844
                          • C:\Windows\system32\vssadmin.exe
                            vssadmin resize shadowstorage /for=F:\ /on=F:\ /maxsize=401MB
                            3⤵
                            • Interacts with shadow copies
                            PID:836
                        • C:\Windows\System32\cmd.exe
                          "C:\Windows\System32\cmd.exe" /c fsutil.exe usn deletejournal /D C:
                          2⤵
                            PID:1940
                            • C:\Windows\system32\fsutil.exe
                              fsutil.exe usn deletejournal /D C:
                              3⤵
                              • Deletes NTFS Change Journal
                              PID:440
                          • C:\Windows\System32\cmd.exe
                            "C:\Windows\System32\cmd.exe" /c vssadmin resize shadowstorage /for=F:\ /on=F:\ /maxsize=unbounded
                            2⤵
                              PID:1156
                              • C:\Windows\system32\vssadmin.exe
                                vssadmin resize shadowstorage /for=F:\ /on=F:\ /maxsize=unbounded
                                3⤵
                                • Interacts with shadow copies
                                PID:1820
                            • C:\Windows\System32\cmd.exe
                              "C:\Windows\System32\cmd.exe" /c vssadmin resize shadowstorage /for=G:\ /on=G:\ /maxsize=unbounded
                              2⤵
                                PID:1056
                              • C:\Windows\System32\cmd.exe
                                "C:\Windows\System32\cmd.exe" /c wbadmin.exe delete catalog -quiet
                                2⤵
                                  PID:1520
                                  • C:\Windows\system32\wbadmin.exe
                                    wbadmin.exe delete catalog -quiet
                                    3⤵
                                    • Deletes backup catalog
                                    PID:1632
                                • C:\Windows\System32\cmd.exe
                                  "C:\Windows\System32\cmd.exe" /c vssadmin resize shadowstorage /for=G:\ /on=G:\ /maxsize=401MB
                                  2⤵
                                    PID:1844
                                    • C:\Windows\system32\vssadmin.exe
                                      vssadmin resize shadowstorage /for=G:\ /on=G:\ /maxsize=401MB
                                      3⤵
                                      • Interacts with shadow copies
                                      PID:1224
                                  • C:\Windows\System32\cmd.exe
                                    "C:\Windows\System32\cmd.exe" /c schtasks.exe /Change /TN "\Microsoft\Windows\SystemRestore\SR" /disable
                                    2⤵
                                      PID:1028
                                      • C:\Windows\system32\schtasks.exe
                                        schtasks.exe /Change /TN "\Microsoft\Windows\SystemRestore\SR" /disable
                                        3⤵
                                          PID:2152
                                      • 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:1192
                                        • C:\Windows\System32\cmd.exe
                                          "C:\Windows\System32\cmd.exe" /c vssadmin resize shadowstorage /for=H:\ /on=H:\ /maxsize=401MB
                                          2⤵
                                            PID:1032
                                            • C:\Windows\system32\vssadmin.exe
                                              vssadmin resize shadowstorage /for=H:\ /on=H:\ /maxsize=401MB
                                              3⤵
                                              • Interacts with shadow copies
                                              PID:2140
                                          • C:\Windows\System32\cmd.exe
                                            "C:\Windows\System32\cmd.exe" /c vssadmin resize shadowstorage /for=H:\ /on=H:\ /maxsize=unbounded
                                            2⤵
                                              PID:820
                                            • 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:2004
                                              • C:\Windows\System32\cmd.exe
                                                "C:\Windows\System32\cmd.exe" /c vssadmin resize shadowstorage /for=I:\ /on=I:\ /maxsize=401MB
                                                2⤵
                                                  PID:1608
                                                • C:\Windows\System32\cmd.exe
                                                  "C:\Windows\System32\cmd.exe" /c vssadmin resize shadowstorage /for=I:\ /on=I:\ /maxsize=unbounded
                                                  2⤵
                                                    PID:1104
                                                  • 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:2068
                                                    • C:\Windows\System32\cmd.exe
                                                      "C:\Windows\System32\cmd.exe" /c vssadmin resize shadowstorage /for=J:\ /on=J:\ /maxsize=401MB
                                                      2⤵
                                                        PID:2092
                                                      • 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:2120
                                                      • C:\Windows\system32\vssvc.exe
                                                        C:\Windows\system32\vssvc.exe
                                                        1⤵
                                                          PID:1012

                                                        Network

                                                        MITRE ATT&CK Enterprise v6

                                                        Replay Monitor

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                                                        Downloads

                                                        • memory/1044-54-0x0000000075071000-0x0000000075073000-memory.dmp

                                                          Filesize

                                                          8KB