Analysis

  • max time kernel
    148s
  • max time network
    42s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    24-11-2022 11:40

General

  • Target

    4d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993.exe

  • Size

    342KB

  • MD5

    e4f2439a84d0667fd4352f92a233b3db

  • SHA1

    ec0d0bb2773503517f5f9d94a27e326b84119300

  • SHA256

    4d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993

  • SHA512

    06a7fc19d0b8c1cb3b6d4ec88534691e7efb947cbf9e1730671ee48f5155b4749a800f42aa304781e74b49227b437b812932c0101b017f00d935f35e185dbc12

  • SSDEEP

    6144:5uHOKuHOYE2E2l+lXDZJfLufs73dOk0XDpNjNOpys8r:gOXOf2eZJys73dOvXDpNjNe8r

Score
10/10

Malware Config

Signatures

  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
  • Blocks application from running via registry modification 17 IoCs

    Adds application to list of disallowed applications.

  • Executes dropped EXE 1 IoCs
  • Sets file execution options in registry 2 TTPs 20 IoCs
  • UPX packed file 7 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Loads dropped DLL 2 IoCs
  • Drops file in System32 directory 3 IoCs
  • Drops file in Program Files directory 10 IoCs
  • Drops file in Windows directory 8 IoCs
  • Launches sc.exe 4 IoCs

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

  • Runs net.exe
  • Runs regedit.exe 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993.exe
    "C:\Users\Admin\AppData\Local\Temp\4d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1160
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c C:\Windows\system32\Option.bat
      2⤵
        PID:1996
      • C:\Windows\SysWOW64\net.exe
        net.exe start schedule /y
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1872
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 start schedule /y
          3⤵
            PID:1788
        • C:\Windows\SysWOW64\At.exe
          At.exe 5:15:52 PM C:\Windows\Help\HelpCat.exe
          2⤵
            PID:976
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c at 5:14:56 PM C:\Windows\Sysinf.bat
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:1308
            • C:\Windows\SysWOW64\at.exe
              at 5:14:56 PM C:\Windows\Sysinf.bat
              3⤵
                PID:904
            • C:\Windows\SysWOW64\cmd.exe
              cmd /c at 5:17:56 PM C:\Windows\Sysinf.bat
              2⤵
              • Suspicious use of WriteProcessMemory
              PID:1776
              • C:\Windows\SysWOW64\at.exe
                at 5:17:56 PM C:\Windows\Sysinf.bat
                3⤵
                  PID:1204
              • C:\Windows\SysWOW64\net.exe
                net.exe stop wscsvc /y
                2⤵
                • Suspicious use of WriteProcessMemory
                PID:1076
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop wscsvc /y
                  3⤵
                    PID:1188
                • C:\Windows\SysWOW64\net.exe
                  net.exe stop sharedaccess /y
                  2⤵
                  • Suspicious use of WriteProcessMemory
                  PID:664
                  • C:\Windows\SysWOW64\net1.exe
                    C:\Windows\system32\net1 stop sharedaccess /y
                    3⤵
                      PID:1200
                  • C:\Windows\SysWOW64\net.exe
                    net.exe stop wuauserv /y
                    2⤵
                      PID:1752
                      • C:\Windows\SysWOW64\net1.exe
                        C:\Windows\system32\net1 stop wuauserv /y
                        3⤵
                          PID:1812
                      • C:\Windows\SysWOW64\net.exe
                        net.exe stop srservice /y
                        2⤵
                        • Suspicious use of WriteProcessMemory
                        PID:1980
                        • C:\Windows\SysWOW64\net1.exe
                          C:\Windows\system32\net1 stop srservice /y
                          3⤵
                            PID:1488
                        • C:\Windows\SysWOW64\net.exe
                          net.exe stop 360timeprot /y
                          2⤵
                            PID:1708
                            • C:\Windows\SysWOW64\net1.exe
                              C:\Windows\system32\net1 stop 360timeprot /y
                              3⤵
                                PID:676
                            • C:\Windows\SysWOW64\sc.exe
                              C:\Windows\system32\sc.exe config srservice start= disabled
                              2⤵
                              • Launches sc.exe
                              PID:2000
                            • C:\Windows\SysWOW64\sc.exe
                              C:\Windows\system32\sc.exe config SharedAccess start= disabled
                              2⤵
                              • Launches sc.exe
                              PID:1480
                            • C:\Windows\SysWOW64\sc.exe
                              C:\Windows\system32\sc.exe config wscsvc start= disabled
                              2⤵
                              • Launches sc.exe
                              PID:1652
                            • C:\Windows\SysWOW64\sc.exe
                              C:\Windows\system32\sc.exe config srservice start= disabled
                              2⤵
                              • Launches sc.exe
                              PID:1796
                            • C:\Windows\SysWOW64\regedit.exe
                              regedit.exe /s C:\Windows\regedt32.sys
                              2⤵
                              • Modifies visibility of file extensions in Explorer
                              • Blocks application from running via registry modification
                              • Sets file execution options in registry
                              • Runs regedit.exe
                              PID:1604
                            • C:\Windows\SysWOW64\reg.exe
                              C:\Windows\system32\reg.exe delete "hklm\SYSTEM\ControlSet001\Control\SafeBoot\Minimal\{4D36E967-E325-11CE-BFC1-08002BE10318}" /f
                              2⤵
                                PID:1664
                              • C:\Windows\SysWOW64\reg.exe
                                C:\Windows\system32\reg.exe delete "hklm\SYSTEM\ControlSet001\Control\SafeBoot\Network\{4D36E967-E325-11CE-BFC1-08002BE10318}" /f
                                2⤵
                                  PID:1056
                                • C:\Windows\system\KavUpda.exe
                                  C:\Windows\system\KavUpda.exe
                                  2⤵
                                  • Executes dropped EXE
                                  • Drops file in System32 directory
                                  • Drops file in Windows directory
                                  • Suspicious use of SetWindowsHookEx
                                  PID:1416
                                  • C:\Windows\SysWOW64\cmd.exe
                                    cmd /c C:\Windows\system32\Option.bat
                                    3⤵
                                      PID:1696
                                    • C:\Windows\SysWOW64\net.exe
                                      net.exe start schedule /y
                                      3⤵
                                        PID:1516
                                        • C:\Windows\SysWOW64\net1.exe
                                          C:\Windows\system32\net1 start schedule /y
                                          4⤵
                                            PID:640
                                        • C:\Windows\SysWOW64\At.exe
                                          At.exe 5:16:01 PM C:\Windows\Help\HelpCat.exe
                                          3⤵
                                            PID:768
                                          • C:\Windows\SysWOW64\cmd.exe
                                            cmd /c at 5:15:04 PM C:\Windows\Sysinf.bat
                                            3⤵
                                              PID:1148
                                              • C:\Windows\SysWOW64\at.exe
                                                at 5:15:04 PM C:\Windows\Sysinf.bat
                                                4⤵
                                                  PID:992
                                              • C:\Windows\SysWOW64\cmd.exe
                                                cmd /c at 5:18:04 PM C:\Windows\Sysinf.bat
                                                3⤵
                                                  PID:1044
                                                  • C:\Windows\SysWOW64\at.exe
                                                    at 5:18:04 PM C:\Windows\Sysinf.bat
                                                    4⤵
                                                      PID:560
                                                  • C:\Windows\SysWOW64\net.exe
                                                    net.exe stop wscsvc /y
                                                    3⤵
                                                      PID:1296
                                                      • C:\Windows\SysWOW64\net1.exe
                                                        C:\Windows\system32\net1 stop wscsvc /y
                                                        4⤵
                                                          PID:2000
                                                      • C:\Windows\SysWOW64\net.exe
                                                        net.exe stop sharedaccess /y
                                                        3⤵
                                                          PID:2040
                                                      • C:\Windows\SysWOW64\net.exe
                                                        net.exe stop wscsvc /y
                                                        2⤵
                                                          PID:1200
                                                          • C:\Windows\SysWOW64\net1.exe
                                                            C:\Windows\system32\net1 stop wscsvc /y
                                                            3⤵
                                                              PID:1648
                                                          • C:\Windows\SysWOW64\net.exe
                                                            net.exe stop sharedaccess /y
                                                            2⤵
                                                              PID:1540
                                                              • C:\Windows\SysWOW64\net1.exe
                                                                C:\Windows\system32\net1 stop sharedaccess /y
                                                                3⤵
                                                                  PID:832
                                                              • C:\Windows\SysWOW64\net.exe
                                                                net.exe stop wuauserv /y
                                                                2⤵
                                                                  PID:1780
                                                                  • C:\Windows\SysWOW64\net1.exe
                                                                    C:\Windows\system32\net1 stop wuauserv /y
                                                                    3⤵
                                                                      PID:1604
                                                                  • C:\Windows\SysWOW64\net.exe
                                                                    net.exe stop srservice /y
                                                                    2⤵
                                                                      PID:896
                                                                      • C:\Windows\SysWOW64\net1.exe
                                                                        C:\Windows\system32\net1 stop srservice /y
                                                                        3⤵
                                                                          PID:692
                                                                      • C:\Windows\SysWOW64\net.exe
                                                                        net.exe stop 360timeprot /y
                                                                        2⤵
                                                                          PID:884
                                                                          • C:\Windows\SysWOW64\net1.exe
                                                                            C:\Windows\system32\net1 stop 360timeprot /y
                                                                            3⤵
                                                                              PID:1760

                                                                        Network

                                                                        MITRE ATT&CK Enterprise v6

                                                                        Replay Monitor

                                                                        Loading Replay Monitor...

                                                                        Downloads

                                                                        • C:\Windows\SysWOW64\Option.bat

                                                                          Filesize

                                                                          82B

                                                                          MD5

                                                                          3f7fbd2eb34892646e93fd5e6e343512

                                                                          SHA1

                                                                          265ac1061b54f62350fb7a5f57e566454d013a66

                                                                          SHA256

                                                                          e75e8d9bfc7a2876d908305186c3656e9de2a4af7f6927ccc6d8c812645abbc7

                                                                          SHA512

                                                                          53d40eb2f05a23464fbf06193868e7cb30cf0df3da53586a75123fb2c37b29cdddda287ce134809d16a559d87fb20aee0e8add22d396fcb7a55f9a753739b140

                                                                        • C:\Windows\SysWOW64\Option.bat

                                                                          Filesize

                                                                          82B

                                                                          MD5

                                                                          3f7fbd2eb34892646e93fd5e6e343512

                                                                          SHA1

                                                                          265ac1061b54f62350fb7a5f57e566454d013a66

                                                                          SHA256

                                                                          e75e8d9bfc7a2876d908305186c3656e9de2a4af7f6927ccc6d8c812645abbc7

                                                                          SHA512

                                                                          53d40eb2f05a23464fbf06193868e7cb30cf0df3da53586a75123fb2c37b29cdddda287ce134809d16a559d87fb20aee0e8add22d396fcb7a55f9a753739b140

                                                                        • C:\Windows\Sysinf.bat

                                                                          Filesize

                                                                          460B

                                                                          MD5

                                                                          7db3d565d6ddbe65a8b0e093910e7dcd

                                                                          SHA1

                                                                          d4804e6180c6e74ba79d3343f2f2ccb15e502f12

                                                                          SHA256

                                                                          a2778cb87fd88c7508ffd506a8ff8d58d0ffc02156f846956e5e99c6cb3d2f3f

                                                                          SHA512

                                                                          0b3d1d0f44feba9dd78903ff77fdeaea834d930990a86641fb2e4ce04da280d33f6bee0ae0b1320e4070cbe20824062e45b52e5cad797c5985d8e31dce1ef82b

                                                                        • C:\Windows\regedt32.sys

                                                                          Filesize

                                                                          2KB

                                                                          MD5

                                                                          e7d7ec66bd61fac3843c98650b0c68f6

                                                                          SHA1

                                                                          a15ae06e1be51038863650746368a71024539bac

                                                                          SHA256

                                                                          6475d5ecc14fea090774be55723d2d52b7ec7670527a7dbd61edf28c77944cb8

                                                                          SHA512

                                                                          ac9e9893f5a0af03957731445f63279085f164e9a968d706a99d13012e4459314a7ccc32dc48f62379d69e21a0953c13543c9ded38b5ad5fbc346aa442af1ae6

                                                                        • C:\Windows\system\KavUpda.exe

                                                                          Filesize

                                                                          342KB

                                                                          MD5

                                                                          e4f2439a84d0667fd4352f92a233b3db

                                                                          SHA1

                                                                          ec0d0bb2773503517f5f9d94a27e326b84119300

                                                                          SHA256

                                                                          4d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993

                                                                          SHA512

                                                                          06a7fc19d0b8c1cb3b6d4ec88534691e7efb947cbf9e1730671ee48f5155b4749a800f42aa304781e74b49227b437b812932c0101b017f00d935f35e185dbc12

                                                                        • C:\Windows\system\KavUpda.exe

                                                                          Filesize

                                                                          342KB

                                                                          MD5

                                                                          e4f2439a84d0667fd4352f92a233b3db

                                                                          SHA1

                                                                          ec0d0bb2773503517f5f9d94a27e326b84119300

                                                                          SHA256

                                                                          4d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993

                                                                          SHA512

                                                                          06a7fc19d0b8c1cb3b6d4ec88534691e7efb947cbf9e1730671ee48f5155b4749a800f42aa304781e74b49227b437b812932c0101b017f00d935f35e185dbc12

                                                                        • \??\PIPE\atsvc

                                                                          MD5

                                                                          d41d8cd98f00b204e9800998ecf8427e

                                                                          SHA1

                                                                          da39a3ee5e6b4b0d3255bfef95601890afd80709

                                                                          SHA256

                                                                          e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

                                                                          SHA512

                                                                          cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

                                                                        • \Windows\system\KavUpda.exe

                                                                          Filesize

                                                                          342KB

                                                                          MD5

                                                                          e4f2439a84d0667fd4352f92a233b3db

                                                                          SHA1

                                                                          ec0d0bb2773503517f5f9d94a27e326b84119300

                                                                          SHA256

                                                                          4d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993

                                                                          SHA512

                                                                          06a7fc19d0b8c1cb3b6d4ec88534691e7efb947cbf9e1730671ee48f5155b4749a800f42aa304781e74b49227b437b812932c0101b017f00d935f35e185dbc12

                                                                        • \Windows\system\KavUpda.exe

                                                                          Filesize

                                                                          342KB

                                                                          MD5

                                                                          e4f2439a84d0667fd4352f92a233b3db

                                                                          SHA1

                                                                          ec0d0bb2773503517f5f9d94a27e326b84119300

                                                                          SHA256

                                                                          4d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993

                                                                          SHA512

                                                                          06a7fc19d0b8c1cb3b6d4ec88534691e7efb947cbf9e1730671ee48f5155b4749a800f42aa304781e74b49227b437b812932c0101b017f00d935f35e185dbc12

                                                                        • memory/560-114-0x0000000000000000-mapping.dmp

                                                                        • memory/640-98-0x0000000000000000-mapping.dmp

                                                                        • memory/664-66-0x0000000000000000-mapping.dmp

                                                                        • memory/676-78-0x0000000000000000-mapping.dmp

                                                                        • memory/692-122-0x0000000000000000-mapping.dmp

                                                                        • memory/768-102-0x0000000000000000-mapping.dmp

                                                                        • memory/832-116-0x0000000000000000-mapping.dmp

                                                                        • memory/884-120-0x0000000000000000-mapping.dmp

                                                                        • memory/896-115-0x0000000000000000-mapping.dmp

                                                                        • memory/904-67-0x0000000000000000-mapping.dmp

                                                                        • memory/976-63-0x0000000075A91000-0x0000000075A93000-memory.dmp

                                                                          Filesize

                                                                          8KB

                                                                        • memory/976-61-0x0000000000000000-mapping.dmp

                                                                        • memory/992-112-0x0000000000000000-mapping.dmp

                                                                        • memory/1044-105-0x0000000000000000-mapping.dmp

                                                                        • memory/1056-87-0x0000000000000000-mapping.dmp

                                                                        • memory/1076-65-0x0000000000000000-mapping.dmp

                                                                        • memory/1148-104-0x0000000000000000-mapping.dmp

                                                                        • memory/1160-100-0x0000000000440000-0x0000000000480000-memory.dmp

                                                                          Filesize

                                                                          256KB

                                                                        • memory/1160-99-0x0000000000440000-0x0000000000480000-memory.dmp

                                                                          Filesize

                                                                          256KB

                                                                        • memory/1160-54-0x0000000000400000-0x0000000000440000-memory.dmp

                                                                          Filesize

                                                                          256KB

                                                                        • memory/1160-123-0x0000000000400000-0x0000000000440000-memory.dmp

                                                                          Filesize

                                                                          256KB

                                                                        • memory/1188-74-0x0000000000000000-mapping.dmp

                                                                        • memory/1200-107-0x0000000000000000-mapping.dmp

                                                                        • memory/1200-75-0x0000000000000000-mapping.dmp

                                                                        • memory/1204-71-0x0000000000000000-mapping.dmp

                                                                        • memory/1296-106-0x0000000000000000-mapping.dmp

                                                                        • memory/1308-62-0x0000000000000000-mapping.dmp

                                                                        • memory/1416-90-0x0000000000000000-mapping.dmp

                                                                        • memory/1416-101-0x0000000000400000-0x0000000000440000-memory.dmp

                                                                          Filesize

                                                                          256KB

                                                                        • memory/1480-80-0x0000000000000000-mapping.dmp

                                                                        • memory/1488-76-0x0000000000000000-mapping.dmp

                                                                        • memory/1516-96-0x0000000000000000-mapping.dmp

                                                                        • memory/1540-110-0x0000000000000000-mapping.dmp

                                                                        • memory/1604-83-0x0000000000000000-mapping.dmp

                                                                        • memory/1604-121-0x0000000000000000-mapping.dmp

                                                                        • memory/1648-117-0x0000000000000000-mapping.dmp

                                                                        • memory/1652-81-0x0000000000000000-mapping.dmp

                                                                        • memory/1664-86-0x0000000000000000-mapping.dmp

                                                                        • memory/1696-94-0x0000000000000000-mapping.dmp

                                                                        • memory/1708-72-0x0000000000000000-mapping.dmp

                                                                        • memory/1752-68-0x0000000000000000-mapping.dmp

                                                                        • memory/1760-124-0x0000000000000000-mapping.dmp

                                                                        • memory/1776-64-0x0000000000000000-mapping.dmp

                                                                        • memory/1780-111-0x0000000000000000-mapping.dmp

                                                                        • memory/1788-60-0x0000000000000000-mapping.dmp

                                                                        • memory/1796-82-0x0000000000000000-mapping.dmp

                                                                        • memory/1812-77-0x0000000000000000-mapping.dmp

                                                                        • memory/1872-58-0x0000000000000000-mapping.dmp

                                                                        • memory/1980-70-0x0000000000000000-mapping.dmp

                                                                        • memory/1996-57-0x0000000000000000-mapping.dmp

                                                                        • memory/2000-79-0x0000000000000000-mapping.dmp

                                                                        • memory/2000-113-0x0000000000000000-mapping.dmp

                                                                        • memory/2040-108-0x0000000000000000-mapping.dmp