Analysis

  • max time kernel
    150s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-12-2024 01:37

General

  • Target

    7672caa9afd97eef5d401063150b540026b7833ee69f0788de88367a75ececf2.exe

  • Size

    884KB

  • MD5

    5deacaf9299c905c33b4c5a278f0676e

  • SHA1

    3d8a8b01cd25c3377acb7587ebdb494e0c48abb3

  • SHA256

    7672caa9afd97eef5d401063150b540026b7833ee69f0788de88367a75ececf2

  • SHA512

    3f7bb0ba1330129adeb1704107ba5382fac4cb50eac67591fb68a319a4f030d2121c4bdd2ffb7b2f3157591fc306baa838b11a7b822e772d6547f51b27fea5b5

  • SSDEEP

    12288:v3TdtLW5WIj1YSSdFxz8IaCOz61jcfpROF6s+HaTg8ZRJUaI1h82TQMN4zkZ+:fDsj1dEjhAuZSRO4symgKRJUP42PCkc

Malware Config

Extracted

Family

sality

C2

http://89.119.67.154/testo5/

http://kukutrustnet777.info/home.gif

http://kukutrustnet888.info/home.gif

http://kukutrustnet987.info/home.gif

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Sality

    Sality is backdoor written in C++, first discovered in 2003.

  • Sality family
  • UAC bypass 3 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 6 IoCs
  • Disables RegEdit via registry modification 1 IoCs
  • Disables Task Manager via registry modification
  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Windows security modification 2 TTPs 7 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

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

  • AutoIT Executable 7 IoCs

    AutoIT scripts compiled to PE executables.

  • Drops file in System32 directory 9 IoCs
  • UPX packed file 9 IoCs

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

  • Drops file in Program Files directory 11 IoCs
  • Drops file in Windows directory 8 IoCs
  • Hijack Execution Flow: DLL Search Order Hijacking 1 TTPs

    Possible initial access via DLL redirection search order hijacking.

  • Enumerates physical storage devices 1 TTPs

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

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • System Location Discovery: System Language Discovery 1 TTPs 18 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:784
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:792
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:336
        • C:\Windows\system32\svchost.exe
          C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
          1⤵
            PID:2804
          • C:\Windows\system32\sihost.exe
            sihost.exe
            1⤵
              PID:2816
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:3020
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3352
                  • C:\Users\Admin\AppData\Local\Temp\7672caa9afd97eef5d401063150b540026b7833ee69f0788de88367a75ececf2.exe
                    "C:\Users\Admin\AppData\Local\Temp\7672caa9afd97eef5d401063150b540026b7833ee69f0788de88367a75ececf2.exe"
                    2⤵
                    • Modifies WinLogon for persistence
                    • UAC bypass
                    • Windows security bypass
                    • Disables RegEdit via registry modification
                    • Loads dropped DLL
                    • Windows security modification
                    • Adds Run key to start application
                    • Checks whether UAC is enabled
                    • Enumerates connected drives
                    • Drops file in System32 directory
                    • Drops file in Program Files directory
                    • Drops file in Windows directory
                    • System Location Discovery: System Language Discovery
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious use of AdjustPrivilegeToken
                    • Suspicious use of WriteProcessMemory
                    • System policy modification
                    PID:548
                    • C:\Windows\SysWOW64\netsh.exe
                      netsh firewall set opmode disable
                      3⤵
                      • Modifies Windows Firewall
                      • Event Triggered Execution: Netsh Helper DLL
                      • System Location Discovery: System Language Discovery
                      PID:4212
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /C AT /delete /yes
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:2940
                      • C:\Windows\SysWOW64\at.exe
                        AT /delete /yes
                        4⤵
                        • System Location Discovery: System Language Discovery
                        PID:4724
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /C AT 09:00 /interactive /EVERY:m,t,w,th,f,s,su C:\Windows\system32\svchost .exe
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:1148
                      • C:\Windows\SysWOW64\at.exe
                        AT 09:00 /interactive /EVERY:m,t,w,th,f,s,su C:\Windows\system32\svchost .exe
                        4⤵
                        • System Location Discovery: System Language Discovery
                        PID:2092
                    • C:\Windows\SysWOW64\NOTEPAD.EXE
                      "C:\Windows\system32\NOTEPAD.EXE"
                      3⤵
                      • System Location Discovery: System Language Discovery
                      PID:3860
                    • C:\Windows\SysWOW64\NOTEPAD.EXE
                      "C:\Windows\system32\NOTEPAD.EXE"
                      3⤵
                      • System Location Discovery: System Language Discovery
                      PID:4556
                    • C:\Windows\SysWOW64\NOTEPAD.EXE
                      "C:\Windows\system32\NOTEPAD.EXE"
                      3⤵
                      • System Location Discovery: System Language Discovery
                      PID:4340
                    • C:\Windows\SysWOW64\NOTEPAD.EXE
                      "C:\Windows\system32\NOTEPAD.EXE"
                      3⤵
                      • System Location Discovery: System Language Discovery
                      PID:4932
                    • C:\Windows\SysWOW64\NOTEPAD.EXE
                      "C:\Windows\system32\NOTEPAD.EXE"
                      3⤵
                      • System Location Discovery: System Language Discovery
                      PID:2396
                    • C:\Windows\SysWOW64\NOTEPAD.EXE
                      "C:\Windows\system32\NOTEPAD.EXE"
                      3⤵
                      • System Location Discovery: System Language Discovery
                      PID:4520
                    • C:\Windows\SysWOW64\NOTEPAD.EXE
                      "C:\Windows\system32\NOTEPAD.EXE"
                      3⤵
                      • System Location Discovery: System Language Discovery
                      PID:744
                    • C:\Windows\SysWOW64\NOTEPAD.EXE
                      "C:\Windows\system32\NOTEPAD.EXE"
                      3⤵
                      • System Location Discovery: System Language Discovery
                      PID:4316
                    • C:\Windows\SysWOW64\NOTEPAD.EXE
                      "C:\Windows\system32\NOTEPAD.EXE"
                      3⤵
                      • System Location Discovery: System Language Discovery
                      PID:2208
                    • C:\Windows\SysWOW64\NOTEPAD.EXE
                      "C:\Windows\system32\NOTEPAD.EXE"
                      3⤵
                      • System Location Discovery: System Language Discovery
                      PID:4504
                    • C:\Windows\SysWOW64\NOTEPAD.EXE
                      "C:\Windows\system32\NOTEPAD.EXE"
                      3⤵
                      • System Location Discovery: System Language Discovery
                      PID:1472
                    • C:\Windows\SysWOW64\NOTEPAD.EXE
                      "C:\Windows\system32\NOTEPAD.EXE"
                      3⤵
                      • System Location Discovery: System Language Discovery
                      PID:3016
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3508
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3744
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3840
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3916
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:3996
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:4060
                            • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe
                              "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe" -ServerName:InputApp.AppX9jnwykgrccxc8by3hsrsh07r423xzvav.mca
                              1⤵
                                PID:3012
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:1348

                                Network

                                MITRE ATT&CK Enterprise v15

                                Replay Monitor

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                                Downloads

                                • C:\Users\Admin\AppData\Roaming\Wplugin.dll

                                  Filesize

                                  108KB

                                  MD5

                                  8847a8302dacc1d6fca61f125c8fe8e0

                                  SHA1

                                  f399142bbf03660bee1df555ebbf3acc8f658cf0

                                  SHA256

                                  9c2726defa122089f8251fa104f76d66830f448774ab9bd634adbb6e492e3943

                                  SHA512

                                  2b028bb4139c352b80db1509d1a3f479a8ef7e9b3b73ddbf62e2d83d4e59adf4a0bd6b9d68409bc0b6fafb7a5f56844fbfed6d00b824a6b370689801ce1c837f

                                • C:\Windows\SysWOW64\setting.ini

                                  Filesize

                                  2B

                                  MD5

                                  e0aa021e21dddbd6d8cecec71e9cf564

                                  SHA1

                                  9ce3bd4224c8c1780db56b4125ecf3f24bf748b7

                                  SHA256

                                  565339bc4d33d72817b583024112eb7f5cdf3e5eef0252d6ec1b9c9a94e12bb3

                                  SHA512

                                  900110c951560eff857b440e89cc29f529416e0e3b3d7f0ad51651bfdbd8025b91768c5ed7db5352d1a5523354ce06ced2c42047e33a3e958a1bba5f742db874

                                • C:\Windows\SysWOW64\setup.ini

                                  Filesize

                                  96B

                                  MD5

                                  9ece103c47335f0cc777f1132b8d522f

                                  SHA1

                                  63afa171c64f86d99db81723e1335e960e85fa43

                                  SHA256

                                  69815d4932ddde240ce6b1353305d2fab58ca402e9c478452c8e37ce8a7b2ac9

                                  SHA512

                                  b1ac64c71c6338bf0ab33df938128822da680f20d0552edb2edb808f1c75bafb88467412fc8dc60ed8022a1f0c4f3fcbecb69a320ec871b3a766482f32d6eb05

                                • C:\Windows\SysWOW64\svchost .exe

                                  Filesize

                                  884KB

                                  MD5

                                  5deacaf9299c905c33b4c5a278f0676e

                                  SHA1

                                  3d8a8b01cd25c3377acb7587ebdb494e0c48abb3

                                  SHA256

                                  7672caa9afd97eef5d401063150b540026b7833ee69f0788de88367a75ececf2

                                  SHA512

                                  3f7bb0ba1330129adeb1704107ba5382fac4cb50eac67591fb68a319a4f030d2121c4bdd2ffb7b2f3157591fc306baa838b11a7b822e772d6547f51b27fea5b5

                                • memory/548-24-0x0000000003CB0000-0x0000000004CE3000-memory.dmp

                                  Filesize

                                  16.2MB

                                • memory/548-6-0x00000000004A5000-0x00000000004A6000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/548-26-0x0000000000400000-0x0000000000523000-memory.dmp

                                  Filesize

                                  1.1MB

                                • memory/548-0-0x0000000000400000-0x0000000000523000-memory.dmp

                                  Filesize

                                  1.1MB

                                • memory/548-10-0x0000000003CB0000-0x0000000004CE3000-memory.dmp

                                  Filesize

                                  16.2MB

                                • memory/548-17-0x0000000003CB0000-0x0000000004CE3000-memory.dmp

                                  Filesize

                                  16.2MB

                                • memory/548-21-0x0000000000970000-0x0000000000972000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/548-22-0x00000000017D0000-0x00000000017D1000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/548-35-0x0000000003CB0000-0x0000000004CE3000-memory.dmp

                                  Filesize

                                  16.2MB

                                • memory/548-37-0x0000000003CB0000-0x0000000004CE3000-memory.dmp

                                  Filesize

                                  16.2MB

                                • memory/548-14-0x0000000000400000-0x0000000000523000-memory.dmp

                                  Filesize

                                  1.1MB

                                • memory/548-23-0x0000000000970000-0x0000000000972000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/548-74-0x00000000004A5000-0x00000000004A6000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/548-77-0x0000000000400000-0x0000000000523000-memory.dmp

                                  Filesize

                                  1.1MB

                                • memory/548-80-0x0000000000400000-0x0000000000523000-memory.dmp

                                  Filesize

                                  1.1MB

                                • memory/548-81-0x0000000000400000-0x0000000000523000-memory.dmp

                                  Filesize

                                  1.1MB

                                • memory/548-84-0x0000000003CB0000-0x0000000004CE3000-memory.dmp

                                  Filesize

                                  16.2MB

                                • memory/548-89-0x0000000003CB0000-0x0000000004CE3000-memory.dmp

                                  Filesize

                                  16.2MB

                                • memory/548-94-0x0000000003CB0000-0x0000000004CE3000-memory.dmp

                                  Filesize

                                  16.2MB

                                • memory/548-103-0x0000000000400000-0x0000000000523000-memory.dmp

                                  Filesize

                                  1.1MB

                                • memory/548-113-0x0000000003CB0000-0x0000000004CE3000-memory.dmp

                                  Filesize

                                  16.2MB

                                • memory/548-159-0x0000000000400000-0x0000000000523000-memory.dmp

                                  Filesize

                                  1.1MB

                                • memory/3860-125-0x0000000000AE0000-0x0000000000AF7000-memory.dmp

                                  Filesize

                                  92KB

                                • memory/3860-124-0x0000000000AE0000-0x0000000000AF7000-memory.dmp

                                  Filesize

                                  92KB