Resubmissions

02/03/2024, 22:38

240302-2kwptaae3710

02/03/2024, 22:34

240302-2g86qsad9610

Analysis

  • max time kernel
    1649s
  • max time network
    1716s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    02/03/2024, 22:38

General

  • Target
    Fake AV/InternetSecurityGuard.exe
  • Size 6.1MB
  • Sample240302-2kwptaae37
  • SHA256 b6371644b93b9d3b9b32b2f13f8265f9c23ddecc1e9c5a0291bbf98aa0fc3b77
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • UAC bypass 3 TTPs 6 IoCs
  • Checks for common network interception software 1 TTPs

    Looks in the registry for tools like Wireshark or Fiddler commonly used to analyze network activity.

  • Enumerates VirtualBox registry keys 2 TTPs 1 IoCs
  • Blocks application from running via registry modification 18 IoCs

    Adds application to list of disallowed applications.

  • Drops file in Drivers directory 4 IoCs
  • Sets file execution options in registry 2 TTPs 64 IoCs
  • Loads dropped DLL 4 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Unexpected DNS network traffic destination 36 IoCs

    Network traffic to other servers than the configured DNS servers was detected on the DNS port.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Checks for any installed AV software in registry 1 TTPs 1 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Checks whether UAC is enabled 1 TTPs 3 IoCs
  • Enumerates connected drives 3 TTPs 21 IoCs

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

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Enumerates physical storage devices 1 TTPs

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

  • Modifies Internet Explorer settings 1 TTPs 11 IoCs
  • Modifies data under HKEY_USERS 6 IoCs
  • Modifies registry class 16 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 5 IoCs
  • Suspicious use of SendNotifyMessage 5 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • System policy modification 1 TTPs 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Fake AV\InternetSecurityGuard.exe
    "C:\Users\Admin\AppData\Local\Temp\Fake AV\InternetSecurityGuard.exe"
    1⤵
    • UAC bypass
    • Enumerates VirtualBox registry keys
    • Blocks application from running via registry modification
    • Drops file in Drivers directory
    • Sets file execution options in registry
    • Loads dropped DLL
    • Adds Run key to start application
    • Checks for any installed AV software in registry
    • Checks whether UAC is enabled
    • Enumerates connected drives
    • Writes to the Master Boot Record (MBR)
    • Modifies Internet Explorer settings
    • Modifies data under HKEY_USERS
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:2464
    • C:\Windows\SysWOW64\Wbem\mofcomp.exe
      mofcomp "C:\Users\Admin\AppData\Local\Temp\Fake AV\785.mof"
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:616
    • C:\Windows\SysWOW64\netsh.exe
      netsh "firewall" add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Fake AV\InternetSecurityGuard.exe" "Internet Security Guard" ENABLE
      2⤵
        PID:1032
      • C:\Windows\SysWOW64\nslookup.exe
        nslookup -q=txt diinu560ubjjsv.com 8.8.8.8
        2⤵
          PID:2880
        • C:\Windows\SysWOW64\nslookup.exe
          nslookup -q=txt diinu560ubjjsv.net 8.8.8.8
          2⤵
            PID:2696
          • C:\Windows\SysWOW64\nslookup.exe
            nslookup -q=txt diinu560ubjjsv.com 208.67.222.222
            2⤵
              PID:1912
            • C:\Windows\SysWOW64\nslookup.exe
              nslookup -q=txt diinu560ubjjsv.net 208.67.222.222
              2⤵
                PID:1996
              • C:\Windows\SysWOW64\nslookup.exe
                nslookup -q=txt diinu560ubjjsv.com 8.8.4.4
                2⤵
                  PID:2728
                • C:\Windows\SysWOW64\nslookup.exe
                  nslookup -q=txt diinu560ubjjsv.net 8.8.4.4
                  2⤵
                    PID:1028
                  • C:\Windows\SysWOW64\nslookup.exe
                    nslookup -q=txt diinu560ubjjsv.com 208.67.220.220
                    2⤵
                      PID:2704
                    • C:\Windows\SysWOW64\nslookup.exe
                      nslookup -q=txt diinu560ubjjsv.net 208.67.220.220
                      2⤵
                        PID:632
                      • C:\Windows\SysWOW64\nslookup.exe
                        nslookup -q=txt insssyfinr1275tc.com 8.8.8.8
                        2⤵
                          PID:2220
                        • C:\Windows\SysWOW64\nslookup.exe
                          nslookup -q=txt insssyfinr1275tc.net 8.8.8.8
                          2⤵
                            PID:2996
                          • C:\Windows\SysWOW64\nslookup.exe
                            nslookup -q=txt insssyfinr1275tc.com 208.67.222.222
                            2⤵
                              PID:2076
                            • C:\Windows\SysWOW64\nslookup.exe
                              nslookup -q=txt insssyfinr1275tc.net 208.67.222.222
                              2⤵
                                PID:2972
                              • C:\Windows\SysWOW64\nslookup.exe
                                nslookup -q=txt insssyfinr1275tc.com 8.8.4.4
                                2⤵
                                  PID:2124
                                • C:\Windows\SysWOW64\nslookup.exe
                                  nslookup -q=txt insssyfinr1275tc.net 8.8.4.4
                                  2⤵
                                    PID:1932
                                  • C:\Windows\SysWOW64\nslookup.exe
                                    nslookup -q=txt insssyfinr1275tc.com 208.67.220.220
                                    2⤵
                                      PID:1900
                                    • C:\Windows\SysWOW64\nslookup.exe
                                      nslookup -q=txt insssyfinr1275tc.net 208.67.220.220
                                      2⤵
                                        PID:1832
                                      • C:\Windows\SysWOW64\nslookup.exe
                                        nslookup -q=txt hppwycfjr1248swx.com 8.8.8.8
                                        2⤵
                                          PID:1764
                                        • C:\Windows\SysWOW64\nslookup.exe
                                          nslookup -q=txt hppwycfjr1248swx.net 8.8.8.8
                                          2⤵
                                            PID:1020
                                          • C:\Windows\SysWOW64\nslookup.exe
                                            nslookup -q=txt hppwycfjr1248swx.com 208.67.222.222
                                            2⤵
                                              PID:1460
                                            • C:\Windows\SysWOW64\nslookup.exe
                                              nslookup -q=txt hppwycfjr1248swx.net 208.67.222.222
                                              2⤵
                                                PID:780
                                              • C:\Windows\SysWOW64\nslookup.exe
                                                nslookup -q=txt hppwycfjr1248swx.com 8.8.4.4
                                                2⤵
                                                  PID:1060
                                                • C:\Windows\SysWOW64\nslookup.exe
                                                  nslookup -q=txt hppwycfjr1248swx.net 8.8.4.4
                                                  2⤵
                                                    PID:1096
                                                  • C:\Windows\SysWOW64\nslookup.exe
                                                    nslookup -q=txt hppwycfjr1248swx.com 208.67.220.220
                                                    2⤵
                                                      PID:1984
                                                    • C:\Windows\SysWOW64\nslookup.exe
                                                      nslookup -q=txt hppwycfjr1248swx.net 208.67.220.220
                                                      2⤵
                                                        PID:2248

                                                    Network

                                                          MITRE ATT&CK Enterprise v15

                                                          Replay Monitor

                                                          Loading Replay Monitor...

                                                          Downloads

                                                          ISBXG.cfg

                                                          • Path C:\ProgramData\ISJHKG\ISBXG.cfg
                                                          • Size 300B
                                                          • SHA256 f1e18db45a3c179b9ab3ca022eba21526a2d93bbba7f8d98efcd91f1bd742a69
                                                          • MD5 SHA1 SHA512

                                                          ISBXG.cfg

                                                          • Path C:\ProgramData\ISJHKG\ISBXG.cfg
                                                          • Size 379B
                                                          • SHA256 59a2c42a65d37ac1b14483aff952f5c019a8a3abeac18ccb53dc8651ce437793
                                                          • MD5 SHA1 SHA512

                                                          ISBXG.cfg

                                                          • Path C:\ProgramData\ISJHKG\ISBXG.cfg
                                                          • Size 909B
                                                          • SHA256 80aa19f3d94ad964aa025a1598d4ff6ec9e6a8f59a38520a20da4eaf9a095d36
                                                          • MD5 SHA1 SHA512

                                                          ISBXG.cfg

                                                          • Path C:\ProgramData\ISJHKG\ISBXG.cfg
                                                          • Size 1KB
                                                          • SHA256 df06e6ed473729685122e4015a5e61a0ea9a6e7c0ab858c3f615712b3c58e0f3
                                                          • MD5 SHA1 SHA512

                                                          ISBXG.cfg

                                                          • Path C:\ProgramData\ISJHKG\ISBXG.cfg
                                                          • Size 2KB
                                                          • SHA256 c4e769d2eeab25fc9c3c213086be19d530b1e5f67146f57735922a6b9fa2627e
                                                          • MD5 SHA1 SHA512

                                                          ISBXG.cfg

                                                          • Path C:\ProgramData\ISJHKG\ISBXG.cfg
                                                          • Size 4KB
                                                          • SHA256 b0e424e329e86a3c73a916b5ab840a087cccb1be97aa512eace935c0999190b3
                                                          • MD5 SHA1 SHA512 SSDEEP

                                                          ISBXG.cfg

                                                          • Path C:\ProgramData\ISJHKG\ISBXG.cfg
                                                          • Size 6KB
                                                          • SHA256 bdcb4d8345612b55fbe123ae5da3065f3a68c55f05e0927044d488fd608356e4
                                                          • MD5 SHA1 SHA512 SSDEEP

                                                          ISBXG.cfg

                                                          • Path C:\ProgramData\ISJHKG\ISBXG.cfg
                                                          • Size 7KB
                                                          • SHA256 7bc0469489ce861e3973b1ceabc2398f81287d13172d10c20705e2b2facfe475
                                                          • MD5 SHA1 SHA512 SSDEEP

                                                          ISBXG.cfg

                                                          • Path C:\ProgramData\ISJHKG\ISBXG.cfg
                                                          • Size 7KB
                                                          • SHA256 edbe6ebb2fcb64680f1f28cfa44ed0c36d2dc9a428ef108f296bd160504bd5ec
                                                          • MD5 SHA1 SHA512 SSDEEP

                                                          ISBXG.cfg

                                                          • Path C:\ProgramData\ISJHKG\ISBXG.cfg
                                                          • Size 8KB
                                                          • SHA256 2998798893bf3bd8d046eaa449485a8b13ea2529ec7fc318ae26aaeb3f885a70
                                                          • MD5 SHA1 SHA512 SSDEEP

                                                          ISBXG.cfg

                                                          • Path C:\ProgramData\ISJHKG\ISBXG.cfg
                                                          • Size 9KB
                                                          • SHA256 60aff01e213f37be3291069cddfeece2e55599548c3e8e570bd6141f6e431e33
                                                          • MD5 SHA1 SHA512 SSDEEP

                                                          ISBXG.cfg

                                                          • Path C:\ProgramData\ISJHKG\ISBXG.cfg
                                                          • Size 11KB
                                                          • SHA256 69d13b091eea99ac9c2fcdce63dbda475382657754c127701c004ad1095af15e
                                                          • MD5 SHA1 SHA512 SSDEEP

                                                          ISBXG.cfg

                                                          • Path C:\ProgramData\ISJHKG\ISBXG.cfg
                                                          • Size 185B
                                                          • SHA256 c47da9be4fc4d757add73c49654c9179067af547d0cc758d6356e2955bbfcb61
                                                          • MD5 SHA1 SHA512

                                                          ISBXG.cfg

                                                          • Path C:\ProgramData\ISJHKG\ISBXG.cfg
                                                          • Size 13KB
                                                          • SHA256 d98c88f00fe1b99485f922f0b5f2f281d49098621fc8fe766e74e48aed9ceb2e
                                                          • MD5 SHA1 SHA512 SSDEEP

                                                          ISBXG.cfg

                                                          • Path C:\ProgramData\ISJHKG\ISBXG.cfg
                                                          • Size 14KB
                                                          • SHA256 caa080e40a0d16b2d84628fa747be38ccbaea0405b53a36b6aca080dbfcc193e
                                                          • MD5 SHA1 SHA512 SSDEEP

                                                          ISBXG.cfg

                                                          • Path C:\ProgramData\ISJHKG\ISBXG.cfg
                                                          • Size 15KB
                                                          • SHA256 ddd0915039a0ce76f1aa8063011cab5df90f80b3417318f52e6aa13cdb6267e8
                                                          • MD5 SHA1 SHA512 SSDEEP

                                                          ISBXG.cfg

                                                          • Path C:\ProgramData\ISJHKG\ISBXG.cfg
                                                          • Size 16KB
                                                          • SHA256 2aaced431bc5b3f5abf44b379a106158cca2b71f2bf415850373e60c5a21c67d
                                                          • MD5 SHA1 SHA512 SSDEEP

                                                          ISBXG.cfg

                                                          • Path C:\ProgramData\ISJHKG\ISBXG.cfg
                                                          • Size 16KB
                                                          • SHA256 de87c5e6e2211438b37e35f81bb2bb2efce4a3efdb3bb35dd2c0554a9c5b36b8
                                                          • MD5 SHA1 SHA512 SSDEEP

                                                          785.mof

                                                          • Path C:\Users\Admin\AppData\Local\Temp\Fake AV\785.mof
                                                          • Size 344B
                                                          • SHA256 3c77f5f888d417a7a31284cb8c5e3bdb4d926c4a274cecac8a8b2920659d5927
                                                          • MD5 SHA1 SHA512

                                                          prefs.js

                                                          • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\m9nu9nej.default-release\prefs.js
                                                          • Size 6KB
                                                          • SHA256 10bcf8040d7458d6906c12f253b90924a18ec8d5723a347664ab0f9e637b6778
                                                          • MD5 SHA1 SHA512 SSDEEP

                                                          host_new

                                                          • Path C:\Windows\System32\drivers\etc\host_new
                                                          • Size 977B
                                                          • SHA256 600d914eb6b9ffb387be5b7300ca138192a4e86c4679c9bff36bcf0364e74b36
                                                          • MD5 SHA1 SHA512

                                                          IS408.exe

                                                          • Path \ProgramData\a7e83\IS408.exe
                                                          • Size 1.6MB
                                                          • SHA256 195177b03391be99f08e9c7a88edb78c6067c728dbcde288e13e169f7234f9dc
                                                          • MD5 SHA1 SHA512 SSDEEP

                                                          IS408.exe

                                                          • Path \ProgramData\a7e83\IS408.exe
                                                          • Size 256KB
                                                          • SHA256 05917c561b4f82cabadfc49e1783e10e8a387cffbfd2fc8a8667d08c95c2009a
                                                          • MD5 SHA1 SHA512 SSDEEP

                                                          memory/2464-625-0x0000000013140000-0x0000000013764000-memory.dmp

                                                          memory/2464-637-0x0000000013140000-0x0000000013764000-memory.dmp

                                                          memory/2464-458-0x0000000013140000-0x0000000013764000-memory.dmp

                                                          memory/2464-456-0x0000000000230000-0x0000000000231000-memory.dmp

                                                          memory/2464-602-0x0000000013140000-0x0000000013764000-memory.dmp

                                                          memory/2464-604-0x0000000013140000-0x0000000013764000-memory.dmp

                                                          memory/2464-608-0x0000000013140000-0x0000000013764000-memory.dmp

                                                          memory/2464-455-0x0000000013140000-0x0000000013764000-memory.dmp

                                                          memory/2464-612-0x0000000013140000-0x0000000013764000-memory.dmp

                                                          memory/2464-613-0x0000000013140000-0x0000000013764000-memory.dmp

                                                          memory/2464-614-0x0000000013140000-0x0000000013764000-memory.dmp

                                                          memory/2464-615-0x0000000013140000-0x0000000013764000-memory.dmp

                                                          memory/2464-616-0x0000000013140000-0x0000000013764000-memory.dmp

                                                          memory/2464-617-0x0000000013140000-0x0000000013764000-memory.dmp

                                                          memory/2464-618-0x0000000013140000-0x0000000013764000-memory.dmp

                                                          memory/2464-619-0x0000000013140000-0x0000000013764000-memory.dmp

                                                          memory/2464-620-0x0000000013140000-0x0000000013764000-memory.dmp

                                                          memory/2464-621-0x0000000013140000-0x0000000013764000-memory.dmp

                                                          memory/2464-622-0x0000000013140000-0x0000000013764000-memory.dmp

                                                          memory/2464-623-0x0000000013140000-0x0000000013764000-memory.dmp

                                                          memory/2464-624-0x0000000013140000-0x0000000013764000-memory.dmp

                                                          memory/2464-0-0x0000000000230000-0x0000000000231000-memory.dmp

                                                          memory/2464-626-0x0000000013140000-0x0000000013764000-memory.dmp

                                                          memory/2464-627-0x0000000013140000-0x0000000013764000-memory.dmp

                                                          memory/2464-628-0x0000000013140000-0x0000000013764000-memory.dmp

                                                          memory/2464-629-0x0000000013140000-0x0000000013764000-memory.dmp

                                                          memory/2464-630-0x0000000013140000-0x0000000013764000-memory.dmp

                                                          memory/2464-631-0x0000000013140000-0x0000000013764000-memory.dmp

                                                          memory/2464-632-0x0000000013140000-0x0000000013764000-memory.dmp

                                                          memory/2464-633-0x0000000013140000-0x0000000013764000-memory.dmp

                                                          memory/2464-634-0x0000000013140000-0x0000000013764000-memory.dmp

                                                          memory/2464-635-0x0000000013140000-0x0000000013764000-memory.dmp

                                                          memory/2464-636-0x0000000013140000-0x0000000013764000-memory.dmp

                                                          memory/2464-518-0x0000000013140000-0x0000000013764000-memory.dmp

                                                          memory/2464-638-0x0000000013140000-0x0000000013764000-memory.dmp

                                                          memory/2464-639-0x0000000013140000-0x0000000013764000-memory.dmp

                                                          memory/2464-640-0x0000000013140000-0x0000000013764000-memory.dmp

                                                          memory/2464-641-0x0000000013140000-0x0000000013764000-memory.dmp

                                                          memory/2464-642-0x0000000013140000-0x0000000013764000-memory.dmp

                                                          memory/2464-643-0x0000000013140000-0x0000000013764000-memory.dmp

                                                          memory/2464-644-0x0000000013140000-0x0000000013764000-memory.dmp

                                                          memory/2464-645-0x0000000013140000-0x0000000013764000-memory.dmp

                                                          memory/2464-646-0x0000000013140000-0x0000000013764000-memory.dmp

                                                          memory/2464-647-0x0000000013140000-0x0000000013764000-memory.dmp

                                                          memory/2464-648-0x0000000013140000-0x0000000013764000-memory.dmp

                                                          memory/2464-649-0x0000000013140000-0x0000000013764000-memory.dmp

                                                          memory/2464-650-0x0000000013140000-0x0000000013764000-memory.dmp

                                                          memory/2464-651-0x0000000013140000-0x0000000013764000-memory.dmp

                                                          memory/2464-652-0x0000000013140000-0x0000000013764000-memory.dmp

                                                          memory/2464-653-0x0000000013140000-0x0000000013764000-memory.dmp

                                                          memory/2464-654-0x0000000013140000-0x0000000013764000-memory.dmp

                                                          memory/2464-655-0x0000000013140000-0x0000000013764000-memory.dmp

                                                          memory/2464-656-0x0000000013140000-0x0000000013764000-memory.dmp

                                                          memory/2464-657-0x0000000013140000-0x0000000013764000-memory.dmp

                                                          memory/2464-658-0x0000000013140000-0x0000000013764000-memory.dmp

                                                          memory/2464-659-0x0000000013140000-0x0000000013764000-memory.dmp

                                                          memory/2464-660-0x0000000013140000-0x0000000013764000-memory.dmp

                                                          memory/2464-661-0x0000000013140000-0x0000000013764000-memory.dmp

                                                          memory/2464-662-0x0000000013140000-0x0000000013764000-memory.dmp

                                                          memory/2464-663-0x0000000013140000-0x0000000013764000-memory.dmp

                                                          memory/2464-664-0x0000000013140000-0x0000000013764000-memory.dmp

                                                          memory/2464-665-0x0000000013140000-0x0000000013764000-memory.dmp

                                                          memory/2464-666-0x0000000013140000-0x0000000013764000-memory.dmp

                                                          memory/2464-667-0x0000000013140000-0x0000000013764000-memory.dmp

                                                          memory/2464-668-0x0000000013140000-0x0000000013764000-memory.dmp

                                                          memory/2464-669-0x0000000013140000-0x0000000013764000-memory.dmp