Analysis

  • max time kernel
    121s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-12-2024 08:03

General

  • Target

    2024-12-20_919fd9bca2e1771bd599f08b60984a36_xiaoba.exe

  • Size

    4.9MB

  • MD5

    919fd9bca2e1771bd599f08b60984a36

  • SHA1

    404d1583c6c8662f2afc003deb7d270c585670c8

  • SHA256

    62d9396786af0ef79b4decd091f2263eb323e3649cac9aba2dd30658afc4a43b

  • SHA512

    386fcfb247657774f72c09a7afd24aa6ed93bfa4fd5c2a3e89d904d6d74bf2ca3e4f771605dc944f83f3133580dca7332ff857b298f0afae56cbace2b0f06387

  • SSDEEP

    49152:qB890byazXfiJhI8Fx82VixxkkmYR//+k6qHu/NhoFpdu+CszhQ1T81/SOIaf/dA:uNfzvmI6Voxk6RVpdu+C+qKRuGU7

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

http://www.klkjwre9fqwieluoi.info/

http://kukutrustnet777888.info/

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
  • Windows security modification 2 TTPs 7 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 21 IoCs

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

  • Drops autorun.inf file 1 TTPs 2 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • UPX packed file 39 IoCs

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

  • Drops file in Program Files directory 11 IoCs
  • Drops file in Windows directory 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 24 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:776
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:780
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:64
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2996
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:3068
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2684
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3428
                  • C:\Users\Admin\AppData\Local\Temp\2024-12-20_919fd9bca2e1771bd599f08b60984a36_xiaoba.exe
                    "C:\Users\Admin\AppData\Local\Temp\2024-12-20_919fd9bca2e1771bd599f08b60984a36_xiaoba.exe"
                    2⤵
                    • Modifies firewall policy service
                    • UAC bypass
                    • Windows security bypass
                    • Windows security modification
                    • Checks whether UAC is enabled
                    • Enumerates connected drives
                    • Drops autorun.inf file
                    • 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:2196
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3556
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3768
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3860
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3924
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:4024
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:4196
                            • 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:4152
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:3968
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                  1⤵
                                    PID:1364

                                  Network

                                  MITRE ATT&CK Enterprise v15

                                  Replay Monitor

                                  Loading Replay Monitor...

                                  Downloads

                                  • C:\iivhik.pif

                                    Filesize

                                    100KB

                                    MD5

                                    fec18483475bbf81f92253228efcdd3a

                                    SHA1

                                    00c7b93a9b571f00ba671a163710f06ca50716c8

                                    SHA256

                                    99892adf014d001931359788b220b6b956a6df79cc539d98bef846ce5048f18b

                                    SHA512

                                    52a3858710330d14ee254572ddd4c397a797a31ae635aeafee35d5438051f39de3a33e382307288a96b1c04b02a8d25af023fd1f1eb72b7c164ca7b592175d36

                                  • memory/2196-3282-0x00000000028B0000-0x000000000393E000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/2196-3317-0x00000000028B0000-0x000000000393E000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/2196-6-0x00000000028B0000-0x000000000393E000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/2196-11-0x0000000000FE0000-0x0000000000FE2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/2196-12-0x0000000000FE0000-0x0000000000FE2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/2196-7-0x00000000028B0000-0x000000000393E000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/2196-10-0x00000000028B0000-0x000000000393E000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/2196-13-0x00000000028B0000-0x000000000393E000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/2196-9-0x0000000000FF0000-0x0000000000FF1000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/2196-8-0x0000000000FE0000-0x0000000000FE2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/2196-5-0x00000000028B0000-0x000000000393E000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/2196-3-0x00000000028B0000-0x000000000393E000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/2196-14-0x00000000028B0000-0x000000000393E000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/2196-15-0x00000000776F0000-0x0000000077905000-memory.dmp

                                    Filesize

                                    2.1MB

                                  • memory/2196-134-0x00000000028B0000-0x000000000393E000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/2196-135-0x00000000028B0000-0x000000000393E000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/2196-3268-0x00000000028B0000-0x000000000393E000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/2196-3269-0x00000000028B0000-0x000000000393E000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/2196-3270-0x00000000028B0000-0x000000000393E000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/2196-3272-0x00000000028B0000-0x000000000393E000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/2196-3273-0x00000000028B0000-0x000000000393E000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/2196-3275-0x00000000028B0000-0x000000000393E000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/2196-3329-0x00000000028B0000-0x000000000393E000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/2196-4-0x00000000028B0000-0x000000000393E000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/2196-3287-0x00000000028B0000-0x000000000393E000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/2196-3283-0x00000000028B0000-0x000000000393E000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/2196-3285-0x0000000000FE0000-0x0000000000FE2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/2196-3284-0x00000000028B0000-0x000000000393E000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/2196-3289-0x00000000028B0000-0x000000000393E000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/2196-3293-0x00000000028B0000-0x000000000393E000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/2196-3294-0x00000000028B0000-0x000000000393E000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/2196-3298-0x00000000028B0000-0x000000000393E000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/2196-3299-0x00000000028B0000-0x000000000393E000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/2196-3301-0x00000000028B0000-0x000000000393E000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/2196-3302-0x00000000028B0000-0x000000000393E000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/2196-3304-0x00000000028B0000-0x000000000393E000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/2196-3306-0x00000000028B0000-0x000000000393E000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/2196-3308-0x00000000028B0000-0x000000000393E000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/2196-3311-0x00000000028B0000-0x000000000393E000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/2196-3313-0x00000000028B0000-0x000000000393E000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/2196-3314-0x00000000028B0000-0x000000000393E000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/2196-0-0x0000000000400000-0x00000000008EA000-memory.dmp

                                    Filesize

                                    4.9MB

                                  • memory/2196-3318-0x00000000028B0000-0x000000000393E000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/2196-3320-0x00000000028B0000-0x000000000393E000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/2196-1-0x00000000028B0000-0x000000000393E000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/2196-3281-0x00000000028B0000-0x000000000393E000-memory.dmp

                                    Filesize

                                    16.6MB

                                  • memory/2196-3330-0x0000000000400000-0x00000000008EA000-memory.dmp

                                    Filesize

                                    4.9MB