Analysis

  • max time kernel
    38s
  • max time network
    131s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-12-2024 21:21

General

  • Target

    3c09e2072e82540233886681add2da8a0d4a21e3f4f65a4ebdaf952ff3fe5fb7.exe

  • Size

    736KB

  • MD5

    c5112174663df732115a9cd7d414d97a

  • SHA1

    f7b92adc87f580fa9b0a616385193bcfa5c25db9

  • SHA256

    3c09e2072e82540233886681add2da8a0d4a21e3f4f65a4ebdaf952ff3fe5fb7

  • SHA512

    682ea727bddf32a471b0ab44bd79ca067458d82a0ffcd8672ff8fd42fa5b9ffff52234f1dbf201c80e3d51f7d066013bb7a8a9ce2bd2c56bada202ff5a25ecec

  • SSDEEP

    12288:YTyjXW+48qWywrU4kGFezOAVuJ5PIRww7F5DO3HYff24r55:2IXW/8yw1ez54lI5F5SXYHj7

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 38 IoCs

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

  • 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 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 49 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:780
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:1012
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2648
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2660
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2840
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3512
                  • C:\Users\Admin\AppData\Local\Temp\3c09e2072e82540233886681add2da8a0d4a21e3f4f65a4ebdaf952ff3fe5fb7.exe
                    "C:\Users\Admin\AppData\Local\Temp\3c09e2072e82540233886681add2da8a0d4a21e3f4f65a4ebdaf952ff3fe5fb7.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:1156
                    • 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 Windows directory
                      • System Location Discovery: System Language Discovery
                      • Suspicious behavior: EnumeratesProcesses
                      • Suspicious use of SetWindowsHookEx
                      • Suspicious use of WriteProcessMemory
                      • System policy modification
                      PID:4852
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3612
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3816
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3912
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3972
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:4056
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:3536
                            • 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:208
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:1704
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                  1⤵
                                    PID:4780

                                  Network

                                  MITRE ATT&CK Enterprise v15

                                  Replay Monitor

                                  Loading Replay Monitor...

                                  Downloads

                                  • C:\Users\Admin\AppData\Local\Temp\0E57A604_Rar\rundll32.exe

                                    Filesize

                                    664KB

                                    MD5

                                    8ca8216260b4f5e0d6e1132e49d1d25a

                                    SHA1

                                    c7ce0406001fb3eaaf82c5ad33945f01f0dddc11

                                    SHA256

                                    ddc806307ec3d800851db6c617343cad0a5e9af8dafe867b6dc2f33dd528cf64

                                    SHA512

                                    0644472c924acb7ae9c8f4b3222e5b2d3a95a9346587a104e437ab0d0c832b05fd153d7450e6d5f5f7d685be9b222712c2c6d869c05acd7efc89f63e83e29a33

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

                                    Filesize

                                    736KB

                                    MD5

                                    c5112174663df732115a9cd7d414d97a

                                    SHA1

                                    f7b92adc87f580fa9b0a616385193bcfa5c25db9

                                    SHA256

                                    3c09e2072e82540233886681add2da8a0d4a21e3f4f65a4ebdaf952ff3fe5fb7

                                    SHA512

                                    682ea727bddf32a471b0ab44bd79ca067458d82a0ffcd8672ff8fd42fa5b9ffff52234f1dbf201c80e3d51f7d066013bb7a8a9ce2bd2c56bada202ff5a25ecec

                                  • C:\Windows\SYSTEM.INI

                                    Filesize

                                    257B

                                    MD5

                                    9b827b12627117bc503e4fcd52052409

                                    SHA1

                                    9c9095ca9ae4206d2be911aa4964be8683d92292

                                    SHA256

                                    569b55a2336bfe9263759b362a5d652ec13aa1282c8b141c4ee6f594602cc302

                                    SHA512

                                    841c88e209d0233222fbbe570058c1750295644ba236ef25a163ca2befb7d9144a0492debf1338b02d0c0faf9cfdf36b78c7118705de461b00190d63039dc349

                                  • C:\pxim.pif

                                    Filesize

                                    97KB

                                    MD5

                                    74a9e6b58f6518fe5b270f60531c89c3

                                    SHA1

                                    7b3494282939dbcd63b7e16d3c7cb15f80c41d8b

                                    SHA256

                                    ed48e20f6a416e97a1b5310cd6a21eeaf130c29624a8d7ea28908f70b54aad3a

                                    SHA512

                                    76bee794cea80a9fc2d968f783ad25690885ae75b812014ba0e80d0d79cccb90cb5a26236d69a28edf67b2540a152f8a57b3d13e3b79e91322bd20e9e21498dd

                                  • memory/1156-0-0x0000000000400000-0x00000000004C0000-memory.dmp

                                    Filesize

                                    768KB

                                  • memory/1156-1-0x00000000032A0000-0x000000000435A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1156-4-0x00000000032A0000-0x000000000435A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1156-5-0x00000000032A0000-0x000000000435A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1156-6-0x00000000032A0000-0x000000000435A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1156-15-0x00000000032A0000-0x000000000435A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1156-20-0x0000000004C60000-0x0000000004C62000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/1156-14-0x0000000004C70000-0x0000000004C71000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/1156-13-0x0000000004C60000-0x0000000004C62000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/1156-3-0x00000000032A0000-0x000000000435A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1156-12-0x00000000032A0000-0x000000000435A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1156-21-0x0000000004C60000-0x0000000004C62000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/1156-22-0x00000000032A0000-0x000000000435A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1156-16-0x00000000032A0000-0x000000000435A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1156-23-0x00000000032A0000-0x000000000435A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1156-25-0x00000000032A0000-0x000000000435A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1156-24-0x00000000032A0000-0x000000000435A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1156-26-0x00000000032A0000-0x000000000435A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1156-29-0x00000000032A0000-0x000000000435A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1156-40-0x0000000004C60000-0x0000000004C62000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/1156-32-0x00000000032A0000-0x000000000435A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1156-48-0x0000000000400000-0x00000000004C0000-memory.dmp

                                    Filesize

                                    768KB

                                  • memory/4852-61-0x0000000004F60000-0x000000000601A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4852-58-0x0000000004F60000-0x000000000601A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4852-71-0x0000000000A70000-0x0000000000A72000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4852-72-0x0000000000A70000-0x0000000000A72000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4852-70-0x0000000004F60000-0x000000000601A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4852-57-0x0000000004F60000-0x000000000601A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4852-55-0x0000000004F60000-0x000000000601A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4852-60-0x0000000004F60000-0x000000000601A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4852-59-0x0000000004F60000-0x000000000601A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4852-56-0x0000000004F60000-0x000000000601A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4852-54-0x0000000004F60000-0x000000000601A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4852-64-0x0000000002F60000-0x0000000002F61000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/4852-62-0x0000000004F60000-0x000000000601A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4852-74-0x0000000004F60000-0x000000000601A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4852-73-0x0000000004F60000-0x000000000601A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4852-75-0x0000000004F60000-0x000000000601A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4852-76-0x0000000004F60000-0x000000000601A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4852-77-0x0000000004F60000-0x000000000601A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4852-79-0x0000000004F60000-0x000000000601A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4852-80-0x0000000004F60000-0x000000000601A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4852-81-0x0000000004F60000-0x000000000601A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4852-83-0x0000000004F60000-0x000000000601A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4852-84-0x0000000000A70000-0x0000000000A72000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4852-85-0x0000000004F60000-0x000000000601A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4852-87-0x0000000004F60000-0x000000000601A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4852-89-0x0000000004F60000-0x000000000601A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4852-92-0x0000000004F60000-0x000000000601A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4852-141-0x0000000000400000-0x00000000004C0000-memory.dmp

                                    Filesize

                                    768KB