Analysis

  • max time kernel
    93s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-12-2024 18:56

General

  • Target

    1c5e6294a367a76b6d19a9c64e22e80fe47eeb27a8cb9c57d36499d04650f8deN.exe

  • Size

    731KB

  • MD5

    587c66ddfd003eb74a544a2b13c7ba50

  • SHA1

    51b7bf61bd7b532d7fc7eb9824d0487b0ec40635

  • SHA256

    1c5e6294a367a76b6d19a9c64e22e80fe47eeb27a8cb9c57d36499d04650f8de

  • SHA512

    c54ae9486f881c2d60329ceb502dd801b1782ea7df7fb0ae09ca1b561e8673c13308d976155e7d51b4f8c77df47feaf22892ad1c9e69dc37c54124b6a7ac41fc

  • SSDEEP

    12288:jQD0guZ6F+dOSHJSKlskGb5+Iq5Ho0l1wFpZS9PmdVLAS8J+cSOcBu0J+4DDDDD8:Dgj1SHYaYlgBoGwFpAmVL8SO6+6aqfy/

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 3 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
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 3 IoCs
  • Windows security modification 2 TTPs 7 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 2 IoCs

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

  • UPX packed file 18 IoCs

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

  • Drops file in Windows directory 4 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs
  • System policy modification 1 TTPs 1 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:64
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2652
          • 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:2832
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3504
                  • C:\Users\Admin\AppData\Local\Temp\1c5e6294a367a76b6d19a9c64e22e80fe47eeb27a8cb9c57d36499d04650f8deN.exe
                    "C:\Users\Admin\AppData\Local\Temp\1c5e6294a367a76b6d19a9c64e22e80fe47eeb27a8cb9c57d36499d04650f8deN.exe"
                    2⤵
                    • Modifies firewall policy service
                    • UAC bypass
                    • Windows security bypass
                    • Loads dropped DLL
                    • 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 AdjustPrivilegeToken
                    • Suspicious use of WriteProcessMemory
                    • System policy modification
                    PID:1524
                    • \??\c:\81ecad0b61984f8735ff\update\update.exe
                      c:\81ecad0b61984f8735ff\update\update.exe
                      3⤵
                      • Executes dropped EXE
                      • Loads dropped DLL
                      • Drops file in Windows directory
                      • System Location Discovery: System Language Discovery
                      PID:4408
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3636
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3820
                    • 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:3980
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:4060
                          • 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:5112
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:4980
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                  1⤵
                                    PID:2412

                                  Network

                                  MITRE ATT&CK Enterprise v15

                                  Replay Monitor

                                  Loading Replay Monitor...

                                  Downloads

                                  • C:\81ecad0b61984f8735ff\_sfx_.dll

                                    Filesize

                                    25KB

                                    MD5

                                    ee207e35aea4d5df41d90221e1b66efa

                                    SHA1

                                    757469cf9ad2f21f267bbe730560114fdf8a89a5

                                    SHA256

                                    cf64c95e9a2d02967efc22b00efb3736156b913a95231eb63c1df45d43475e64

                                    SHA512

                                    43e9f75725daa4f3428b2d9cee2c2cc8b2f2e991b8e58d72d2f429fbdfb614c86d172f03d3f9da98756bd4e245643d9a57c6efa422d6c60ad364a2322245542d

                                  • C:\81ecad0b61984f8735ff\update\update.exe

                                    Filesize

                                    712KB

                                    MD5

                                    9570121468658dcc6972f1dfa624a223

                                    SHA1

                                    61716952df7a03fc01ac919f44f07e9588840b8c

                                    SHA256

                                    bc2cde5db3027a726c81df78bdef10b5ec9a7b4a5ba297911c7b999638f76b33

                                    SHA512

                                    7c2168a6db5bf7dd7c09682983e9059524621834d0d9ae250382c74d714b0e99b625f5ee9a648e18de9fa25b580bac5ab770ad63c406a9f88c87ade1a372429c

                                  • C:\81ecad0b61984f8735ff\update\updspapi.dll

                                    Filesize

                                    331KB

                                    MD5

                                    eb5c64286d987337f702813e73fcf615

                                    SHA1

                                    77c393b4cf5b61c29afa408ec1ebd93b22271e3f

                                    SHA256

                                    44062d8525a1de307491a46376d1831e23c27c18edb3de8f142d83eb7a21fc52

                                    SHA512

                                    0c71779a7b5a3507b5d0ccc0f9ff785032e1d8c32e76a0c0acadfd531d9ca87b61fd9742d69c610823a4315e181ad41f561811badbc262052d0f3ba86b9237a6

                                  • C:\Users\Admin\AppData\Local\Temp\0E5790E6_Rar\1c5e6294a367a76b6d19a9c64e22e80fe47eeb27a8cb9c57d36499d04650f8deN.exe

                                    Filesize

                                    667KB

                                    MD5

                                    77eefa10712bdb01e90880f434157370

                                    SHA1

                                    0abfcf689e9df2d052733b2c36a54273fab37ab1

                                    SHA256

                                    e1fc95c2516f09c214d0dc5d99d697c3290f6d5e82700e1d26e947746fe740fc

                                    SHA512

                                    f529548580b5e70d220a8113c0e96d6bd057d12c84d3808b808ecc2562eb27d1cbecbda5cb0422572991efe905b2e1f6773e325b137d7b2903f72417f2eb487a

                                  • memory/1524-5-0x00000000024E0000-0x000000000359A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1524-3-0x00000000024E0000-0x000000000359A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1524-20-0x00000000024E0000-0x000000000359A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1524-25-0x00000000024E0000-0x000000000359A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1524-21-0x00000000024E0000-0x000000000359A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1524-24-0x0000000001002000-0x0000000001003000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/1524-11-0x00000000024E0000-0x000000000359A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1524-23-0x0000000000AB0000-0x0000000000AB2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/1524-22-0x00000000024E0000-0x000000000359A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1524-12-0x00000000024E0000-0x000000000359A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1524-0-0x0000000001000000-0x00000000010C8000-memory.dmp

                                    Filesize

                                    800KB

                                  • memory/1524-13-0x0000000000AB0000-0x0000000000AB2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/1524-9-0x0000000000AB0000-0x0000000000AB2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/1524-19-0x00000000024E0000-0x000000000359A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1524-10-0x0000000000AC0000-0x0000000000AC1000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/1524-93-0x00000000024E0000-0x000000000359A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1524-4-0x00000000024E0000-0x000000000359A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1524-79-0x00000000024E0000-0x000000000359A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1524-80-0x00000000024E0000-0x000000000359A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1524-81-0x00000000024E0000-0x000000000359A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1524-82-0x00000000024E0000-0x000000000359A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1524-83-0x00000000024E0000-0x000000000359A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1524-85-0x00000000024E0000-0x000000000359A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1524-86-0x00000000024E0000-0x000000000359A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1524-108-0x0000000001000000-0x00000000010C8000-memory.dmp

                                    Filesize

                                    800KB

                                  • memory/4408-78-0x0000000000580000-0x00000000005D4000-memory.dmp

                                    Filesize

                                    336KB