Analysis

  • max time kernel
    124s
  • 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
    13-12-2024 07:20

General

  • Target

    5dbd448bee9e15aa69d49632df9cc7c8101dde9251ffe6415fb688fc35772ebc.exe

  • Size

    1.6MB

  • MD5

    2b331806fcbd1b53fbe3c1806dea2727

  • SHA1

    6d4dd5d66d74a1be03ea3fca77ff5202dd7013f5

  • SHA256

    5dbd448bee9e15aa69d49632df9cc7c8101dde9251ffe6415fb688fc35772ebc

  • SHA512

    88d8fd52829caf7e425f61e95f34359c18073840d7d8cab9f588c11c0dbed015b6baa843209763b5a1955ad0781557b3c8655617ece1fba04e4699ac40aa0bf0

  • SSDEEP

    24576:V1ptDiqXtwc3MiSuA9FpacpViJHh5ZoCGxBmg/8B:V1w5oA9vacY5ZoCAv8

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
  • 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.

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Drops autorun.inf file 1 TTPs 2 IoCs

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

  • UPX packed file 37 IoCs

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

  • Drops file in Program Files directory 11 IoCs
  • Drops file in Windows directory 2 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 26 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:780
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:784
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:384
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2928
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:3032
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2172
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3464
                  • C:\Users\Admin\AppData\Local\Temp\5dbd448bee9e15aa69d49632df9cc7c8101dde9251ffe6415fb688fc35772ebc.exe
                    "C:\Users\Admin\AppData\Local\Temp\5dbd448bee9e15aa69d49632df9cc7c8101dde9251ffe6415fb688fc35772ebc.exe"
                    2⤵
                    • Modifies firewall policy service
                    • UAC bypass
                    • Windows security bypass
                    • Windows security modification
                    • Checks whether UAC is enabled
                    • Enumerates connected drives
                    • Writes to the Master Boot Record (MBR)
                    • 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:2040
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3604
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3780
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3876
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3944
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:4036
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:4104
                            • 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:2540
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:5020
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                  1⤵
                                    PID:2696

                                  Network

                                  MITRE ATT&CK Enterprise v15

                                  Replay Monitor

                                  Loading Replay Monitor...

                                  Downloads

                                  • F:\yndci.pif

                                    Filesize

                                    97KB

                                    MD5

                                    84d024df9dcc7afc15f2c90cc0f4779c

                                    SHA1

                                    a93b5e333e05ebfb0eb85e30b904b3a2d1d7e0b0

                                    SHA256

                                    0087eca2d18fe0d848493373d9c4eb5cefcc4f2c68426c152b7eae79e33fe64d

                                    SHA512

                                    5d0ac843314b878be055aa0e6c86a38132b4db196705e06164b484850629bd6edf19e07c2788d2632eb940c20e22d7e6c92c43149712abd4361dc3c3e8855a9f

                                  • memory/2040-31-0x0000000002440000-0x0000000002442000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/2040-6-0x0000000002440000-0x0000000002442000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/2040-7-0x0000000003AE0000-0x0000000003AE1000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/2040-0-0x0000000000400000-0x0000000000594000-memory.dmp

                                    Filesize

                                    1.6MB

                                  • memory/2040-10-0x0000000002440000-0x0000000002442000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/2040-3-0x0000000002560000-0x000000000361A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2040-8-0x0000000002560000-0x000000000361A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2040-9-0x0000000002560000-0x000000000361A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2040-16-0x0000000002560000-0x000000000361A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2040-18-0x0000000002560000-0x000000000361A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2040-30-0x0000000002560000-0x000000000361A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2040-17-0x0000000002440000-0x0000000002442000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/2040-32-0x0000000002560000-0x000000000361A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2040-20-0x0000000002560000-0x000000000361A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2040-21-0x0000000002560000-0x000000000361A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2040-22-0x0000000002560000-0x000000000361A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2040-23-0x0000000002560000-0x000000000361A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2040-24-0x0000000002560000-0x000000000361A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2040-25-0x0000000002560000-0x000000000361A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2040-28-0x0000000002560000-0x000000000361A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2040-19-0x0000000002560000-0x000000000361A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2040-4-0x0000000002560000-0x000000000361A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2040-5-0x0000000002560000-0x000000000361A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2040-33-0x0000000002560000-0x000000000361A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2040-36-0x0000000002560000-0x000000000361A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2040-38-0x0000000002560000-0x000000000361A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2040-39-0x0000000002560000-0x000000000361A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2040-42-0x0000000002560000-0x000000000361A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2040-44-0x0000000002560000-0x000000000361A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2040-51-0x0000000002560000-0x000000000361A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2040-53-0x0000000002560000-0x000000000361A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2040-55-0x0000000002560000-0x000000000361A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2040-57-0x0000000002560000-0x000000000361A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2040-60-0x0000000002560000-0x000000000361A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2040-61-0x0000000002560000-0x000000000361A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2040-63-0x0000000002560000-0x000000000361A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2040-65-0x0000000002560000-0x000000000361A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2040-67-0x0000000002560000-0x000000000361A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2040-69-0x0000000002560000-0x000000000361A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2040-71-0x0000000002560000-0x000000000361A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2040-73-0x0000000002560000-0x000000000361A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2040-77-0x0000000002560000-0x000000000361A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2040-1-0x0000000002560000-0x000000000361A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2040-86-0x0000000000400000-0x0000000000594000-memory.dmp

                                    Filesize

                                    1.6MB