Analysis

  • max time kernel
    41s
  • max time network
    102s
  • 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 02:04

General

  • Target

    b5ecffa1bda1947a2d728aeaa4b9335f0056aaabfe882bac211f51233892cdcbN.dll

  • Size

    120KB

  • MD5

    0f2603bdf67ebc7dad04a01f8f511750

  • SHA1

    04233c044253552f396113d364381c902c2a008b

  • SHA256

    b5ecffa1bda1947a2d728aeaa4b9335f0056aaabfe882bac211f51233892cdcb

  • SHA512

    8a3ba801613bde4fa58408be1218f88fb6d0143f06e467ab11c1e7ead74e756643aa8ef6dee36a91989b762beb685359ed3e40a0851ded0d9ad289176a994e9b

  • SSDEEP

    3072:Wf4mCovkq3f2xGxFl6QrDz5GFrV7u5qA9bqmnEMq4h:gt7p20xjnPqrVq

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
  • 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 3 IoCs
  • Windows security modification 2 TTPs 14 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 4 IoCs

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

  • UPX packed file 32 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 4 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 63 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:764
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:768
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:384
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2572
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2588
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2736
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3352
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\b5ecffa1bda1947a2d728aeaa4b9335f0056aaabfe882bac211f51233892cdcbN.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:3156
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\b5ecffa1bda1947a2d728aeaa4b9335f0056aaabfe882bac211f51233892cdcbN.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:1924
                      • C:\Users\Admin\AppData\Local\Temp\e57bd06.exe
                        C:\Users\Admin\AppData\Local\Temp\e57bd06.exe
                        4⤵
                        • Modifies firewall policy service
                        • UAC bypass
                        • Windows security bypass
                        • Executes dropped EXE
                        • Windows security modification
                        • 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 WriteProcessMemory
                        • System policy modification
                        PID:3172
                      • C:\Users\Admin\AppData\Local\Temp\e57c2b4.exe
                        C:\Users\Admin\AppData\Local\Temp\e57c2b4.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:4664
                      • C:\Users\Admin\AppData\Local\Temp\e580af8.exe
                        C:\Users\Admin\AppData\Local\Temp\e580af8.exe
                        4⤵
                        • Modifies firewall policy service
                        • 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 WriteProcessMemory
                        • System policy modification
                        PID:3896
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3644
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3844
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3940
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:4004
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:2940
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:4276
                            • C:\Windows\System32\RuntimeBroker.exe
                              C:\Windows\System32\RuntimeBroker.exe -Embedding
                              1⤵
                                PID:4576
                              • 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:2448

                                Network

                                MITRE ATT&CK Enterprise v15

                                Replay Monitor

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                                Downloads

                                • C:\Users\Admin\AppData\Local\Temp\e57bd06.exe

                                  Filesize

                                  97KB

                                  MD5

                                  95f96d5e9cca53c557cb7964f49eaf01

                                  SHA1

                                  cfb83057a128f3c8ffc4ae1379d63c3a49f979b9

                                  SHA256

                                  dc4b0a58b7a9aa9e1c41335c6acbb5ea6785f101751d1cded535cee9844683a6

                                  SHA512

                                  96543014176e436d816bd47892b5d5d90a051af411b53c044c92ab643a6119d354a0cf5a1246d04010c5795cd9a47344454894d411fc8a60885bf4b11cbeda0b

                                • C:\Windows\SYSTEM.INI

                                  Filesize

                                  257B

                                  MD5

                                  4399dda96e1c30ce5369da02b41f4e85

                                  SHA1

                                  646dc82f40d0072728ca6bd2ae32343b63fe0fce

                                  SHA256

                                  227514b02dde3296802e3410cd552fb4c5182ab4b481045cc96174dad135e2f2

                                  SHA512

                                  4b5e911a954ea379f45bc8e62a5f334d79e7ffc6504ffd7976570c853ea957d75b326d5b65246a1e9b71c4856c1021109c4131b51a6afdf12e89a3bdeacfc777

                                • memory/1924-0-0x0000000010000000-0x0000000010020000-memory.dmp

                                  Filesize

                                  128KB

                                • memory/1924-21-0x00000000015B0000-0x00000000015B2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/1924-23-0x0000000004980000-0x0000000004981000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/1924-22-0x00000000015B0000-0x00000000015B2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/1924-35-0x00000000015B0000-0x00000000015B2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3172-43-0x00000000007D0000-0x000000000188A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3172-76-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/3172-8-0x00000000007D0000-0x000000000188A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3172-25-0x0000000004230000-0x0000000004231000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/3172-31-0x00000000007D0000-0x000000000188A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3172-5-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/3172-19-0x00000000007D0000-0x000000000188A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3172-18-0x00000000007D0000-0x000000000188A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3172-17-0x00000000007D0000-0x000000000188A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3172-20-0x00000000007D0000-0x000000000188A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3172-33-0x0000000003660000-0x0000000003662000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3172-11-0x00000000007D0000-0x000000000188A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3172-10-0x00000000007D0000-0x000000000188A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3172-36-0x00000000007D0000-0x000000000188A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3172-32-0x00000000007D0000-0x000000000188A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3172-37-0x00000000007D0000-0x000000000188A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3172-38-0x00000000007D0000-0x000000000188A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3172-28-0x0000000003660000-0x0000000003662000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3172-62-0x0000000003660000-0x0000000003662000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3172-9-0x00000000007D0000-0x000000000188A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3172-49-0x00000000007D0000-0x000000000188A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3896-100-0x00000000007D0000-0x000000000188A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3896-99-0x00000000007D0000-0x000000000188A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3896-95-0x00000000007D0000-0x000000000188A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3896-132-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/3896-85-0x00000000007D0000-0x000000000188A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3896-87-0x00000000007D0000-0x000000000188A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3896-84-0x00000000007D0000-0x000000000188A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3896-108-0x00000000007D0000-0x000000000188A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3896-83-0x00000000007D0000-0x000000000188A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3896-86-0x00000000007D0000-0x000000000188A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3896-97-0x0000000003DE0000-0x0000000003DE2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3896-96-0x0000000003DE0000-0x0000000003DE2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3896-133-0x00000000007D0000-0x000000000188A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3896-110-0x0000000003DE0000-0x0000000003DE2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3896-89-0x0000000004370000-0x0000000004371000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/3896-82-0x00000000007D0000-0x000000000188A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3896-81-0x00000000007D0000-0x000000000188A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3896-80-0x00000000007D0000-0x000000000188A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3896-79-0x00000000007D0000-0x000000000188A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3896-57-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/3896-98-0x00000000007D0000-0x000000000188A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3896-101-0x00000000007D0000-0x000000000188A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3896-102-0x00000000007D0000-0x000000000188A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4664-40-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/4664-34-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/4664-41-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4664-61-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4664-42-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB