Analysis

  • max time kernel
    45s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-12-2024 21:33

General

  • Target

    4b284c553252bf0eb8227ce610c6252cd5ef7a315ac87f60ad3d2a86f5385575.exe

  • Size

    728KB

  • MD5

    3011753696db85a25e3ed44a967e53d4

  • SHA1

    f7e5f382de583207832c3116766213ac5e551b93

  • SHA256

    4b284c553252bf0eb8227ce610c6252cd5ef7a315ac87f60ad3d2a86f5385575

  • SHA512

    6ee46a9a9af95bdacaf11d6da102613b6be3c9bb338262a66327a587c84f39c990b4245ec72ebb758aca65192d0cdf47104678d28f5ee599de146c2a42495afd

  • SSDEEP

    12288:fTyjXW+48qWywrU4kGFezOAVuJ5PIPww7F5DO3HYffrMFD8:LIXW/8yw1ez54lITF5SXYHrs4

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 firewall policy service 3 TTPs 6 IoCs
  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Sality

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

  • Sality family
  • UAC bypass 3 TTPs 2 IoCs
  • Windows security bypass 2 TTPs 12 IoCs
  • Executes dropped EXE 1 IoCs
  • Windows security modification 2 TTPs 14 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

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

  • UPX packed file 37 IoCs

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

  • Drops file in Program Files directory 3 IoCs
  • Drops file in Windows directory 3 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:776
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:784
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:1020
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2836
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2892
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2972
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3420
                  • C:\Users\Admin\AppData\Local\Temp\4b284c553252bf0eb8227ce610c6252cd5ef7a315ac87f60ad3d2a86f5385575.exe
                    "C:\Users\Admin\AppData\Local\Temp\4b284c553252bf0eb8227ce610c6252cd5ef7a315ac87f60ad3d2a86f5385575.exe"
                    2⤵
                    • Modifies firewall policy service
                    • Modifies visibility of file extensions in Explorer
                    • Modifies visiblity of hidden/system files in Explorer
                    • UAC bypass
                    • Windows security bypass
                    • Windows security modification
                    • Adds Run key to start application
                    • Checks whether UAC is enabled
                    • Drops file in Windows directory
                    • System Location Discovery: System Language Discovery
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious use of AdjustPrivilegeToken
                    • Suspicious use of SetWindowsHookEx
                    • Suspicious use of WriteProcessMemory
                    • System policy modification
                    PID:1996
                    • C:\Users\Admin\AppData\Roaming\Microsoft\Office\rundll32.exe
                      C:\Users\Admin\AppData\Roaming\Microsoft\Office\rundll32.exe
                      3⤵
                      • Modifies firewall policy service
                      • Modifies visiblity of hidden/system files in Explorer
                      • UAC bypass
                      • Windows security bypass
                      • Executes dropped EXE
                      • Windows security modification
                      • Checks whether UAC is enabled
                      • Enumerates connected drives
                      • Drops file in Program Files directory
                      • Drops file in Windows directory
                      • System Location Discovery: System Language Discovery
                      • Suspicious behavior: EnumeratesProcesses
                      • Suspicious use of SetWindowsHookEx
                      • Suspicious use of WriteProcessMemory
                      • System policy modification
                      PID:728
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3576
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3756
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3844
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3912
                        • 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:4132
                            • 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:2708
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:4032
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                  1⤵
                                    PID:312

                                  Network

                                  MITRE ATT&CK Enterprise v15

                                  Replay Monitor

                                  Loading Replay Monitor...

                                  Downloads

                                  • C:\Users\Admin\AppData\Local\Temp\0E57D6B9_Rar\rundll32.exe

                                    Filesize

                                    664KB

                                    MD5

                                    2eb5d76180ce7b3241b281fa79ab3483

                                    SHA1

                                    06293dea80e39c7eb7ee2bdb00d60b58d932fa8a

                                    SHA256

                                    e1b9beb4617a720d55afaec364941bb18ea2c456a8b06b30a736f0cbb5c297e8

                                    SHA512

                                    35f553c76fc67afb88a6a090fcbad6af3e2faae154c9c84bd869714194012525a2d42b76dad855805f107a37c351f0de08fd9a03d8ddc1dd400d64640d81b90b

                                  • C:\Users\Admin\AppData\Roaming\Microsoft\Office\rundll32.exe

                                    Filesize

                                    728KB

                                    MD5

                                    3011753696db85a25e3ed44a967e53d4

                                    SHA1

                                    f7e5f382de583207832c3116766213ac5e551b93

                                    SHA256

                                    4b284c553252bf0eb8227ce610c6252cd5ef7a315ac87f60ad3d2a86f5385575

                                    SHA512

                                    6ee46a9a9af95bdacaf11d6da102613b6be3c9bb338262a66327a587c84f39c990b4245ec72ebb758aca65192d0cdf47104678d28f5ee599de146c2a42495afd

                                  • C:\Windows\SYSTEM.INI

                                    Filesize

                                    257B

                                    MD5

                                    1ae5f89a22200b445bcd0ab45bbacf35

                                    SHA1

                                    5085e6b1c16a6aed8195fbf0df50a49a3f0bdbb1

                                    SHA256

                                    170f80fe8e945e4061fbf5957280f7cac10688dd00dceb8f3bbda8d637d1aec2

                                    SHA512

                                    8e75d4ca79196c61708c7328b170ddb87a6894f484bbe7599754d25c3ce2a906a0a13be26ce7273ac5eb679f5ed453431bf94c908640d2f954fd154d4d00cffd

                                  • C:\klptha.exe

                                    Filesize

                                    97KB

                                    MD5

                                    6f67ea7adfa06321f163c6ede812b467

                                    SHA1

                                    fd42234ed3f8a2bdd1833a2e56abd41a82ad158d

                                    SHA256

                                    2d1b96723f4c2af6548085d572e6a95e14827f45f49940c53613cd8453b11c96

                                    SHA512

                                    26a7477b17e48bd8fd71b8dc8c7efb4e77b7a9ae9b5291d9d12f9c15520cf9d5d8e348cc245de84194fbc389e14186ee7bbd437466aae6a7a6cf58844be8a1eb

                                  • memory/728-74-0x0000000004F40000-0x0000000005FFA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/728-78-0x0000000004F40000-0x0000000005FFA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/728-140-0x0000000000400000-0x00000000004BE000-memory.dmp

                                    Filesize

                                    760KB

                                  • memory/728-90-0x0000000004F40000-0x0000000005FFA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/728-86-0x0000000004F40000-0x0000000005FFA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/728-87-0x0000000004F40000-0x0000000005FFA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/728-60-0x0000000004F40000-0x0000000005FFA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/728-85-0x0000000000A70000-0x0000000000A72000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/728-83-0x0000000004F40000-0x0000000005FFA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/728-82-0x0000000004F40000-0x0000000005FFA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/728-80-0x0000000004F40000-0x0000000005FFA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/728-56-0x0000000004F40000-0x0000000005FFA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/728-79-0x0000000004F40000-0x0000000005FFA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/728-59-0x0000000004F40000-0x0000000005FFA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/728-76-0x0000000004F40000-0x0000000005FFA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/728-75-0x0000000004F40000-0x0000000005FFA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/728-73-0x0000000004F40000-0x0000000005FFA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/728-72-0x0000000004F40000-0x0000000005FFA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/728-64-0x0000000004F40000-0x0000000005FFA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/728-52-0x0000000004F40000-0x0000000005FFA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/728-71-0x0000000000A70000-0x0000000000A72000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/728-61-0x0000000004F40000-0x0000000005FFA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/728-62-0x0000000004F40000-0x0000000005FFA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/728-63-0x0000000004F40000-0x0000000005FFA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/728-55-0x0000000004F40000-0x0000000005FFA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/728-54-0x0000000004F40000-0x0000000005FFA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/728-58-0x0000000000A80000-0x0000000000A81000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/728-65-0x0000000000A70000-0x0000000000A72000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/1996-17-0x0000000000A20000-0x0000000000A22000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/1996-27-0x00000000034C0000-0x000000000457A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1996-6-0x00000000034C0000-0x000000000457A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1996-4-0x00000000034C0000-0x000000000457A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1996-15-0x00000000034C0000-0x000000000457A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1996-48-0x0000000000400000-0x00000000004BE000-memory.dmp

                                    Filesize

                                    760KB

                                  • memory/1996-33-0x00000000034C0000-0x000000000457A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1996-0-0x0000000000400000-0x00000000004BE000-memory.dmp

                                    Filesize

                                    760KB

                                  • memory/1996-39-0x0000000000A20000-0x0000000000A22000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/1996-30-0x00000000034C0000-0x000000000457A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1996-12-0x00000000034C0000-0x000000000457A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1996-28-0x00000000034C0000-0x000000000457A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1996-24-0x00000000034C0000-0x000000000457A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1996-3-0x00000000034C0000-0x000000000457A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1996-13-0x0000000000A20000-0x0000000000A22000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/1996-14-0x0000000000A30000-0x0000000000A31000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/1996-22-0x0000000000A20000-0x0000000000A22000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/1996-23-0x00000000034C0000-0x000000000457A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1996-18-0x00000000034C0000-0x000000000457A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1996-5-0x00000000034C0000-0x000000000457A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1996-16-0x00000000034C0000-0x000000000457A000-memory.dmp

                                    Filesize

                                    16.7MB