Analysis

  • max time kernel
    150s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    21-11-2022 11:27

General

  • Target

    1a7c49517022241cb9dbb839559517e8d8efa5343ab144bcbd1060151eab82ff.exe

  • Size

    565KB

  • MD5

    461351e7285da48f692165915065b20b

  • SHA1

    12e5a4c152ca5ba0c2f5caf47a2ec34e156c62b8

  • SHA256

    1a7c49517022241cb9dbb839559517e8d8efa5343ab144bcbd1060151eab82ff

  • SHA512

    d11ab31a85e1b86ed5682d5a38f1c5c9ea9896882aa475f31808d3ad246c631ca1fed0730e018bd82de9db8a7d5cd7d73beadee940c52c9fbcf6d299597cd4bb

  • SSDEEP

    6144:5uHOJnmy+g43GFrQZb++tdsHP4+QfI6U8rG1VVE+IA:gOJIerQZb+md4w1Uout

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.

  • Sets file execution options in registry 2 TTPs 20 IoCs
  • UPX packed file 1 IoCs

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

  • Drops file in System32 directory 1 IoCs
  • Drops file in Windows directory 6 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 SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1a7c49517022241cb9dbb839559517e8d8efa5343ab144bcbd1060151eab82ff.exe
    "C:\Users\Admin\AppData\Local\Temp\1a7c49517022241cb9dbb839559517e8d8efa5343ab144bcbd1060151eab82ff.exe"
    1⤵
    • Drops file in System32 directory
    • Drops file in Windows directory
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1992
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c C:\Windows\system32\Option.bat
      2⤵
        PID:1240
      • C:\Windows\SysWOW64\net.exe
        net.exe start schedule /y
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1720
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 start schedule /y
          3⤵
            PID:628
        • C:\Windows\SysWOW64\At.exe
          At.exe 12:30:55 PM C:\Windows\Help\HelpCat.exe
          2⤵
            PID:1780
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c at 12:29:57 PM C:\Windows\Sysinf.bat
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:968
            • C:\Windows\SysWOW64\at.exe
              at 12:29:57 PM C:\Windows\Sysinf.bat
              3⤵
                PID:688
            • C:\Windows\SysWOW64\cmd.exe
              cmd /c at 12:32:57 PM C:\Windows\Sysinf.bat
              2⤵
              • Suspicious use of WriteProcessMemory
              PID:1392
              • C:\Windows\SysWOW64\at.exe
                at 12:32:57 PM C:\Windows\Sysinf.bat
                3⤵
                  PID:1684
              • C:\Windows\SysWOW64\net.exe
                net.exe stop sharedaccess /y
                2⤵
                  PID:1516
                  • C:\Windows\SysWOW64\net1.exe
                    C:\Windows\system32\net1 stop sharedaccess /y
                    3⤵
                      PID:1512
                  • C:\Windows\SysWOW64\net.exe
                    net.exe stop wscsvc /y
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:2008
                    • C:\Windows\SysWOW64\net1.exe
                      C:\Windows\system32\net1 stop wscsvc /y
                      3⤵
                        PID:756
                    • C:\Windows\SysWOW64\net.exe
                      net.exe stop wuauserv /y
                      2⤵
                      • Suspicious use of WriteProcessMemory
                      PID:1012
                      • C:\Windows\SysWOW64\net1.exe
                        C:\Windows\system32\net1 stop wuauserv /y
                        3⤵
                          PID:564
                      • C:\Windows\SysWOW64\net.exe
                        net.exe stop srservice /y
                        2⤵
                          PID:832
                          • C:\Windows\SysWOW64\net1.exe
                            C:\Windows\system32\net1 stop srservice /y
                            3⤵
                              PID:1772
                          • C:\Windows\SysWOW64\net.exe
                            net.exe stop 360timeprot /y
                            2⤵
                              PID:1796
                              • C:\Windows\SysWOW64\net1.exe
                                C:\Windows\system32\net1 stop 360timeprot /y
                                3⤵
                                  PID:1676
                              • C:\Windows\SysWOW64\sc.exe
                                C:\Windows\system32\sc.exe config srservice start= disabled
                                2⤵
                                • Launches sc.exe
                                PID:684
                              • C:\Windows\SysWOW64\sc.exe
                                C:\Windows\system32\sc.exe config SharedAccess start= disabled
                                2⤵
                                • Launches sc.exe
                                PID:300
                              • C:\Windows\SysWOW64\sc.exe
                                C:\Windows\system32\sc.exe config wscsvc start= disabled
                                2⤵
                                • Launches sc.exe
                                PID:788
                              • C:\Windows\SysWOW64\sc.exe
                                C:\Windows\system32\sc.exe config srservice start= disabled
                                2⤵
                                • Launches sc.exe
                                PID:1716
                              • 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:1712
                              • 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:960
                                • 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:1800
                                • C:\Windows\system32\taskeng.exe
                                  taskeng.exe {F0F9D58F-1419-4092-9071-0323D3327348} S-1-5-18:NT AUTHORITY\System:Service:
                                  1⤵
                                    PID:1784

                                  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\regedt32.sys

                                    Filesize

                                    2KB

                                    MD5

                                    e7d7ec66bd61fac3843c98650b0c68f6

                                    SHA1

                                    a15ae06e1be51038863650746368a71024539bac

                                    SHA256

                                    6475d5ecc14fea090774be55723d2d52b7ec7670527a7dbd61edf28c77944cb8

                                    SHA512

                                    ac9e9893f5a0af03957731445f63279085f164e9a968d706a99d13012e4459314a7ccc32dc48f62379d69e21a0953c13543c9ded38b5ad5fbc346aa442af1ae6

                                  • memory/300-78-0x0000000000000000-mapping.dmp

                                  • memory/564-76-0x0000000000000000-mapping.dmp

                                  • memory/628-59-0x0000000000000000-mapping.dmp

                                  • memory/684-75-0x0000000000000000-mapping.dmp

                                  • memory/688-73-0x0000000000000000-mapping.dmp

                                  • memory/756-71-0x0000000000000000-mapping.dmp

                                  • memory/788-81-0x0000000000000000-mapping.dmp

                                  • memory/832-70-0x0000000000000000-mapping.dmp

                                  • memory/960-86-0x0000000000000000-mapping.dmp

                                  • memory/968-62-0x0000000000000000-mapping.dmp

                                  • memory/1012-69-0x0000000000000000-mapping.dmp

                                  • memory/1240-56-0x0000000000000000-mapping.dmp

                                  • memory/1392-64-0x0000000000000000-mapping.dmp

                                  • memory/1512-77-0x0000000000000000-mapping.dmp

                                  • memory/1516-66-0x0000000000000000-mapping.dmp

                                  • memory/1676-80-0x0000000000000000-mapping.dmp

                                  • memory/1684-67-0x0000000000000000-mapping.dmp

                                  • memory/1712-83-0x0000000000000000-mapping.dmp

                                  • memory/1716-82-0x0000000000000000-mapping.dmp

                                  • memory/1720-57-0x0000000000000000-mapping.dmp

                                  • memory/1772-79-0x0000000000000000-mapping.dmp

                                  • memory/1780-63-0x0000000074F01000-0x0000000074F03000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/1780-61-0x0000000000000000-mapping.dmp

                                  • memory/1796-72-0x0000000000000000-mapping.dmp

                                  • memory/1800-87-0x0000000000000000-mapping.dmp

                                  • memory/1992-60-0x0000000000400000-0x0000000000440000-memory.dmp

                                    Filesize

                                    256KB

                                  • memory/2008-65-0x0000000000000000-mapping.dmp