Resubmissions

02/03/2024, 22:38

240302-2kwptaae3710

02/03/2024, 22:34

240302-2g86qsad9610

Analysis

  • max time kernel
    150s
  • max time network
    127s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/03/2024, 22:34

General

  • Target
    Fake AV/InternetSecurityGuard.exe
  • Size 6.1MB
  • Sample240302-2g86qsad96
  • SHA256 b6371644b93b9d3b9b32b2f13f8265f9c23ddecc1e9c5a0291bbf98aa0fc3b77
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • 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
  • 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.

  • 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 15 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Fake AV\InternetSecurityGuard.exe
    "C:\Users\Admin\AppData\Local\Temp\Fake AV\InternetSecurityGuard.exe"
    1⤵
    • Enumerates VirtualBox registry keys
    • Blocks application from running via registry modification
    • Drops file in Drivers directory
    • Sets file execution options in registry
    • Adds Run key to start application
    • Checks for any installed AV software in registry
    • 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
    PID:64
    • C:\Windows\SysWOW64\Wbem\mofcomp.exe
      mofcomp "C:\Users\Admin\AppData\Local\Temp\Fake AV\5781.mof"
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:4488
    • 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:3300
      • C:\Windows\SysWOW64\nslookup.exe
        nslookup -q=txt diinu560ubjjsv.com 8.8.8.8
        2⤵
          PID:3012
        • C:\Windows\SysWOW64\nslookup.exe
          nslookup -q=txt diinu560ubjjsv.net 8.8.8.8
          2⤵
            PID:4320
          • C:\Windows\SysWOW64\nslookup.exe
            nslookup -q=txt diinu560ubjjsv.com 208.67.222.222
            2⤵
              PID:3780
            • C:\Windows\SysWOW64\nslookup.exe
              nslookup -q=txt diinu560ubjjsv.net 208.67.222.222
              2⤵
                PID:2752
              • C:\Windows\SysWOW64\nslookup.exe
                nslookup -q=txt diinu560ubjjsv.com 8.8.4.4
                2⤵
                  PID:4076
                • C:\Windows\SysWOW64\nslookup.exe
                  nslookup -q=txt diinu560ubjjsv.net 8.8.4.4
                  2⤵
                    PID:668
                  • C:\Windows\SysWOW64\nslookup.exe
                    nslookup -q=txt diinu560ubjjsv.com 208.67.220.220
                    2⤵
                      PID:4072
                    • C:\Windows\SysWOW64\nslookup.exe
                      nslookup -q=txt diinu560ubjjsv.net 208.67.220.220
                      2⤵
                        PID:836
                      • C:\Windows\SysWOW64\nslookup.exe
                        nslookup -q=txt insssyfinr1275tc.com 8.8.8.8
                        2⤵
                          PID:1408
                        • C:\Windows\SysWOW64\nslookup.exe
                          nslookup -q=txt insssyfinr1275tc.net 8.8.8.8
                          2⤵
                            PID:3372
                          • C:\Windows\SysWOW64\nslookup.exe
                            nslookup -q=txt insssyfinr1275tc.com 208.67.222.222
                            2⤵
                              PID:2520
                            • C:\Windows\SysWOW64\nslookup.exe
                              nslookup -q=txt insssyfinr1275tc.net 208.67.222.222
                              2⤵
                                PID:5100
                              • C:\Windows\SysWOW64\nslookup.exe
                                nslookup -q=txt insssyfinr1275tc.com 8.8.4.4
                                2⤵
                                  PID:1956
                                • C:\Windows\SysWOW64\nslookup.exe
                                  nslookup -q=txt insssyfinr1275tc.net 8.8.4.4
                                  2⤵
                                    PID:2596
                                  • C:\Windows\SysWOW64\nslookup.exe
                                    nslookup -q=txt insssyfinr1275tc.com 208.67.220.220
                                    2⤵
                                      PID:5092
                                    • C:\Windows\SysWOW64\nslookup.exe
                                      nslookup -q=txt insssyfinr1275tc.net 208.67.220.220
                                      2⤵
                                        PID:3808
                                      • C:\Windows\SysWOW64\nslookup.exe
                                        nslookup -q=txt hppwycfjr1248swx.com 8.8.8.8
                                        2⤵
                                          PID:2416
                                        • C:\Windows\SysWOW64\nslookup.exe
                                          nslookup -q=txt hppwycfjr1248swx.net 8.8.8.8
                                          2⤵
                                            PID:2224
                                          • C:\Windows\SysWOW64\nslookup.exe
                                            nslookup -q=txt hppwycfjr1248swx.com 208.67.222.222
                                            2⤵
                                              PID:3112
                                            • C:\Windows\SysWOW64\nslookup.exe
                                              nslookup -q=txt hppwycfjr1248swx.net 208.67.222.222
                                              2⤵
                                                PID:2540
                                              • C:\Windows\SysWOW64\nslookup.exe
                                                nslookup -q=txt hppwycfjr1248swx.com 8.8.4.4
                                                2⤵
                                                  PID:1012
                                                • C:\Windows\SysWOW64\nslookup.exe
                                                  nslookup -q=txt hppwycfjr1248swx.net 8.8.4.4
                                                  2⤵
                                                    PID:3056
                                                  • C:\Windows\SysWOW64\nslookup.exe
                                                    nslookup -q=txt hppwycfjr1248swx.com 208.67.220.220
                                                    2⤵
                                                      PID:4540
                                                    • C:\Windows\SysWOW64\nslookup.exe
                                                      nslookup -q=txt hppwycfjr1248swx.net 208.67.220.220
                                                      2⤵
                                                        PID:1268

                                                    Network

                                                          MITRE ATT&CK Enterprise v15

                                                          Replay Monitor

                                                          Loading Replay Monitor...

                                                          Downloads

                                                          IS978.exe

                                                          • Path C:\ProgramData\8b93e\IS978.exe
                                                          • Size 4.9MB
                                                          • SHA256 aa350ca50c1656d06182bb60a2bad3f749225ba6ccbd841680c211bd756eefad
                                                          • MD5 SHA1 SHA512 SSDEEP

                                                          ISVDHG.cfg

                                                          • Path C:\ProgramData\ISQWJXXKWG\ISVDHG.cfg
                                                          • Size 196B
                                                          • SHA256 8c39246796530ee7588fc16486335d00d5b7273ebb26efe5833e4cfc2bcfe223
                                                          • MD5 SHA1 SHA512

                                                          ISVDHG.cfg

                                                          • Path C:\ProgramData\ISQWJXXKWG\ISVDHG.cfg
                                                          • Size 379B
                                                          • SHA256 275727d35e9f113539cf02fb81ef35408242c29c14755f592d54590d23bbfedd
                                                          • MD5 SHA1 SHA512

                                                          ISVDHG.cfg

                                                          • Path C:\ProgramData\ISQWJXXKWG\ISVDHG.cfg
                                                          • Size 1KB
                                                          • SHA256 a73cb08ae5a7408d0fd322cb3ba096276a3c2db4f35fba5796692fc62cbe413c
                                                          • MD5 SHA1 SHA512

                                                          ISVDHG.cfg

                                                          • Path C:\ProgramData\ISQWJXXKWG\ISVDHG.cfg
                                                          • Size 1KB
                                                          • SHA256 a1e76dbb882c6f57c5ab01a5335b38a2de49e1e7a396ec74f10ca1ef52b6ce6d
                                                          • MD5 SHA1 SHA512

                                                          ISVDHG.cfg

                                                          • Path C:\ProgramData\ISQWJXXKWG\ISVDHG.cfg
                                                          • Size 1KB
                                                          • SHA256 b9d10d67574441c9fe5804b0c48c8b4b3829f3ddf9c6913febaf4d177211eb08
                                                          • MD5 SHA1 SHA512

                                                          ISVDHG.cfg

                                                          • Path C:\ProgramData\ISQWJXXKWG\ISVDHG.cfg
                                                          • Size 2KB
                                                          • SHA256 7f10dcf6013b5696925c9d613893b7c7e8023be95a35d4edd563594a556c142e
                                                          • MD5 SHA1 SHA512

                                                          ISVDHG.cfg

                                                          • Path C:\ProgramData\ISQWJXXKWG\ISVDHG.cfg
                                                          • Size 2KB
                                                          • SHA256 cb96d05337897d60ca9628c1f6f69e67e2b784818ff1dec24f229aca1b03d466
                                                          • MD5 SHA1 SHA512

                                                          ISVDHG.cfg

                                                          • Path C:\ProgramData\ISQWJXXKWG\ISVDHG.cfg
                                                          • Size 3KB
                                                          • SHA256 54ef66c9894b0423e30105628a767e6b422fb0c02be614e0cbc3a2ec1851654a
                                                          • MD5 SHA1 SHA512

                                                          ISVDHG.cfg

                                                          • Path C:\ProgramData\ISQWJXXKWG\ISVDHG.cfg
                                                          • Size 4KB
                                                          • SHA256 e841a98e62047dd9d21be1d6afd524eb662f627f692df28ea14d24275ab9def2
                                                          • MD5 SHA1 SHA512 SSDEEP

                                                          ISVDHG.cfg

                                                          • Path C:\ProgramData\ISQWJXXKWG\ISVDHG.cfg
                                                          • Size 4KB
                                                          • SHA256 e7bbf018c2877d81007346c0796d10db12cabdf3aba7be4656cd8cff9088d208
                                                          • MD5 SHA1 SHA512 SSDEEP

                                                          ISVDHG.cfg

                                                          • Path C:\ProgramData\ISQWJXXKWG\ISVDHG.cfg
                                                          • Size 5KB
                                                          • SHA256 30c5b9b48d4d3aac91cfe829c14514a8a9a0a3621802891373e011170fe3c7f4
                                                          • MD5 SHA1 SHA512 SSDEEP

                                                          ISVDHG.cfg

                                                          • Path C:\ProgramData\ISQWJXXKWG\ISVDHG.cfg
                                                          • Size 6KB
                                                          • SHA256 bedfee0f41b9aa0c9b1767c0b6ae5b73a25775c6e4246b4f1dce712cc715e542
                                                          • MD5 SHA1 SHA512 SSDEEP

                                                          ISVDHG.cfg

                                                          • Path C:\ProgramData\ISQWJXXKWG\ISVDHG.cfg
                                                          • Size 7KB
                                                          • SHA256 ab14a6ff8c11cecec6a84ca69f0c12a26224468a3e695573d8bb7952f56724e6
                                                          • MD5 SHA1 SHA512 SSDEEP

                                                          ISVDHG.cfg

                                                          • Path C:\ProgramData\ISQWJXXKWG\ISVDHG.cfg
                                                          • Size 8KB
                                                          • SHA256 377008d751f87732ca02182456b5d767e1c2b391a426b53106d3dd028530ebec
                                                          • MD5 SHA1 SHA512 SSDEEP

                                                          ISVDHG.cfg

                                                          • Path C:\ProgramData\ISQWJXXKWG\ISVDHG.cfg
                                                          • Size 9KB
                                                          • SHA256 d4433e694eccb96fa4ce9dd82f00f4d29512c33ca7a6e06d55592d757a1a99ac
                                                          • MD5 SHA1 SHA512 SSDEEP

                                                          ISVDHG.cfg

                                                          • Path C:\ProgramData\ISQWJXXKWG\ISVDHG.cfg
                                                          • Size 10KB
                                                          • SHA256 4a9a735a12405b0fe4c1fbcb38d1f57808ac0386167d3024eaff850d0fe4ee83
                                                          • MD5 SHA1 SHA512 SSDEEP

                                                          ISVDHG.cfg

                                                          • Path C:\ProgramData\ISQWJXXKWG\ISVDHG.cfg
                                                          • Size 11KB
                                                          • SHA256 655196e91302a5d6deb266cede4a6b193f6175a79a9b463c0ce26bacbbe2b040
                                                          • MD5 SHA1 SHA512 SSDEEP

                                                          ISVDHG.cfg

                                                          • Path C:\ProgramData\ISQWJXXKWG\ISVDHG.cfg
                                                          • Size 11KB
                                                          • SHA256 4b35e346498774a434fd8f0d7db0c23adcb33c582d39e3c97e76e6f93eb90d17
                                                          • MD5 SHA1 SHA512 SSDEEP

                                                          ISVDHG.cfg

                                                          • Path C:\ProgramData\ISQWJXXKWG\ISVDHG.cfg
                                                          • Size 13KB
                                                          • SHA256 91b0b9b7ec6bbed884331231a21581b7eb30aa4ebaebf70ec8e9a666dedc2557
                                                          • MD5 SHA1 SHA512 SSDEEP

                                                          ISVDHG.cfg

                                                          • Path C:\ProgramData\ISQWJXXKWG\ISVDHG.cfg
                                                          • Size 14KB
                                                          • SHA256 2f9346e228a51813dc895e2fcf679d9894c0739dfdb5e88fdc16c59c68fd5c26
                                                          • MD5 SHA1 SHA512 SSDEEP

                                                          ISVDHG.cfg

                                                          • Path C:\ProgramData\ISQWJXXKWG\ISVDHG.cfg
                                                          • Size 14KB
                                                          • SHA256 3979a8da68d0a6ded406bfd28b4d674d5d1006485ffeb37069064e280f46b237
                                                          • MD5 SHA1 SHA512 SSDEEP

                                                          ISVDHG.cfg

                                                          • Path C:\ProgramData\ISQWJXXKWG\ISVDHG.cfg
                                                          • Size 15KB
                                                          • SHA256 c6004eb98e8c34e2fa1dc136ccfbf366c897f1226ccc0649e9b6be6f3741b525
                                                          • MD5 SHA1 SHA512 SSDEEP

                                                          ISVDHG.cfg

                                                          • Path C:\ProgramData\ISQWJXXKWG\ISVDHG.cfg
                                                          • Size 16KB
                                                          • SHA256 e3b99bb6692ffcb94545f34ff49b054deeb9f455f75e0694306699b1316d7afb
                                                          • MD5 SHA1 SHA512 SSDEEP

                                                          ISVDHG.cfg

                                                          • Path C:\ProgramData\ISQWJXXKWG\ISVDHG.cfg
                                                          • Size 16KB
                                                          • SHA256 2340db009847570b9e450cff93337eedf42b1d98b3c37c9b5505ef0bead7ebc2
                                                          • MD5 SHA1 SHA512 SSDEEP

                                                          ISVDHG.cfg

                                                          • Path C:\ProgramData\ISQWJXXKWG\ISVDHG.cfg
                                                          • Size 16KB
                                                          • SHA256 e305e08757de10965c96651bdcbc89b961f2af2fee089546b6a672ece7373573
                                                          • MD5 SHA1 SHA512 SSDEEP

                                                          ISVDHG.cfg

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

                                                          5781.mof

                                                          • Path C:\Users\Admin\AppData\Local\Temp\Fake AV\5781.mof
                                                          • Size 344B
                                                          • SHA256 3c77f5f888d417a7a31284cb8c5e3bdb4d926c4a274cecac8a8b2920659d5927
                                                          • MD5 SHA1 SHA512

                                                          cookies.sqlite

                                                          • Path C:\Users\Admin\AppData\Roaming\Internet Security Guard\cookies.sqlite
                                                          • Size 96KB
                                                          • SHA256 0b8607fdf72f3e651a2a8b0ac7be171b4cb44909d76bb8d6c47393b8ea3d84a0
                                                          • MD5 SHA1 SHA512 SSDEEP

                                                          prefs.js

                                                          • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\0etkwu5l.default-release\prefs.js
                                                          • Size 6KB
                                                          • SHA256 498d565388665d46c31f7eaf04cda36242733a7848e967a027c83a7412b61c5c
                                                          • MD5 SHA1 SHA512 SSDEEP

                                                          hosts

                                                          • Path C:\Windows\System32\drivers\etc\hosts
                                                          • Size 1KB
                                                          • SHA256 ab0e454a786ef19a3ae1337f10f47354ffa9521ea5026e9e11174eca22d86e84
                                                          • MD5 SHA1 SHA512

                                                          memory/64-535-0x0000000013140000-0x0000000013764000-memory.dmp

                                                          memory/64-485-0x00000000023F0000-0x00000000023F1000-memory.dmp

                                                          memory/64-0-0x00000000023F0000-0x00000000023F1000-memory.dmp

                                                          memory/64-423-0x0000000013140000-0x0000000013764000-memory.dmp

                                                          memory/64-607-0x0000000013140000-0x0000000013764000-memory.dmp

                                                          memory/64-609-0x0000000013140000-0x0000000013764000-memory.dmp

                                                          memory/64-611-0x0000000013140000-0x0000000013764000-memory.dmp

                                                          memory/64-484-0x0000000013140000-0x0000000013764000-memory.dmp

                                                          memory/64-615-0x0000000013140000-0x0000000013764000-memory.dmp

                                                          memory/64-618-0x0000000013140000-0x0000000013764000-memory.dmp

                                                          memory/64-619-0x0000000013140000-0x0000000013764000-memory.dmp

                                                          memory/64-620-0x0000000013140000-0x0000000013764000-memory.dmp

                                                          memory/64-621-0x0000000013140000-0x0000000013764000-memory.dmp

                                                          memory/64-622-0x0000000013140000-0x0000000013764000-memory.dmp

                                                          memory/64-623-0x0000000013140000-0x0000000013764000-memory.dmp

                                                          memory/64-624-0x0000000013140000-0x0000000013764000-memory.dmp