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
    13-11-2024 17:26

General

  • Target

    e33fdb1ed078427c950cba054c00961c860f461568c40fcffa22509d7779ac72N.dll

  • Size

    120KB

  • MD5

    50874a773c495c3c82efe8c2deb83280

  • SHA1

    3b12777d1fdf4e6e133840d12d24e6ae1a76f192

  • SHA256

    e33fdb1ed078427c950cba054c00961c860f461568c40fcffa22509d7779ac72

  • SHA512

    ac100980c42b982e24cb70da83c64887c1e9106a448d8ebe4d498741f52203cb371b1df87754017f31720166b2f057d9b6817ae1910bdca7170cf3033caced6e

  • SSDEEP

    1536:9B34ytLB466k/kqX9M5ZahovNKgs+Tf00FoJyYFd44+FsyZc2UAxMSgOx:/TtK6yqW5k/oMeoJyYFf+qy22fx+Ox

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 15 IoCs

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

  • UPX packed file 34 IoCs

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

  • Drops file in Program Files directory 4 IoCs
  • 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 64 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:792
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:796
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:64
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2564
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2576
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2788
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3480
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\e33fdb1ed078427c950cba054c00961c860f461568c40fcffa22509d7779ac72N.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:1612
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\e33fdb1ed078427c950cba054c00961c860f461568c40fcffa22509d7779ac72N.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:2964
                      • C:\Users\Admin\AppData\Local\Temp\e5777ff.exe
                        C:\Users\Admin\AppData\Local\Temp\e5777ff.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 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:3452
                      • C:\Users\Admin\AppData\Local\Temp\e5779c4.exe
                        C:\Users\Admin\AppData\Local\Temp\e5779c4.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:4552
                      • C:\Users\Admin\AppData\Local\Temp\e579347.exe
                        C:\Users\Admin\AppData\Local\Temp\e579347.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:1456
                • 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:3804
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3900
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3964
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:4044
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:4120
                            • 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:4604
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:2696
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                  1⤵
                                    PID:2080
                                  • C:\Windows\System32\RuntimeBroker.exe
                                    C:\Windows\System32\RuntimeBroker.exe -Embedding
                                    1⤵
                                      PID:2320
                                    • C:\Windows\System32\RuntimeBroker.exe
                                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                                      1⤵
                                        PID:2144

                                      Network

                                      MITRE ATT&CK Enterprise v15

                                      Replay Monitor

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                                      Downloads

                                      • C:\Users\Admin\AppData\Local\Temp\e5777ff.exe

                                        Filesize

                                        97KB

                                        MD5

                                        5cf91db5dfe91ee734a0bed7793b86a6

                                        SHA1

                                        c69debc07b784862f0f9de6d561bd426da15dd9d

                                        SHA256

                                        372015c28a7b72c64ff53aa43266ac740eb5ca9dc5fc7d1598dcdcba5ba3a7c6

                                        SHA512

                                        353de0c59e2a134dac0f9b8d7399f8dae07e185eaad5caa14e1856393207de0f055389c8f38d075a3ef120a7916614dc10012a19df82c61748b758e4e63e0dab

                                      • C:\Windows\SYSTEM.INI

                                        Filesize

                                        257B

                                        MD5

                                        0afec6cec1b55bfb2e4e290a47907f72

                                        SHA1

                                        a3ea469aee3ad9b7ecccef923dccaee961baa97d

                                        SHA256

                                        a8072582c2b0f0b9b7ea36ad8c205f08faf6db14f71d81d6f71476a39f8c0af0

                                        SHA512

                                        4cf8e88c9e38b4d3e23403c67265ffd6cfeae6ea3295b056af3355d89bcce3e7f42c35db4c17749982e988ca9d7632483e80d10484a3a0b3025fbb6874fa5750

                                      • memory/1456-63-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/1456-155-0x0000000000400000-0x0000000000412000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/1456-120-0x0000000000B20000-0x0000000001BDA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/1456-154-0x0000000000B20000-0x0000000001BDA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/1456-87-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/1456-66-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/1456-52-0x0000000000400000-0x0000000000412000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/2964-26-0x00000000008C0000-0x00000000008C2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/2964-32-0x00000000008C0000-0x00000000008C2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/2964-21-0x0000000000960000-0x0000000000961000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/2964-0-0x0000000010000000-0x0000000010020000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/2964-20-0x00000000008C0000-0x00000000008C2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/3452-42-0x0000000000830000-0x00000000018EA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3452-84-0x0000000000830000-0x00000000018EA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3452-11-0x0000000000830000-0x00000000018EA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3452-10-0x0000000000830000-0x00000000018EA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3452-8-0x0000000000830000-0x00000000018EA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3452-9-0x0000000000830000-0x00000000018EA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3452-19-0x0000000000830000-0x00000000018EA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3452-30-0x0000000000830000-0x00000000018EA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3452-36-0x0000000000830000-0x00000000018EA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3452-37-0x0000000000830000-0x00000000018EA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3452-38-0x0000000000830000-0x00000000018EA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3452-39-0x0000000000830000-0x00000000018EA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3452-40-0x0000000000830000-0x00000000018EA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3452-25-0x00000000037A0000-0x00000000037A2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/3452-43-0x0000000000830000-0x00000000018EA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3452-18-0x0000000000830000-0x00000000018EA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3452-51-0x0000000000830000-0x00000000018EA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3452-55-0x00000000037A0000-0x00000000037A2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/3452-56-0x0000000000830000-0x00000000018EA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3452-57-0x0000000000830000-0x00000000018EA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3452-24-0x0000000000830000-0x00000000018EA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3452-4-0x0000000000400000-0x0000000000412000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/3452-29-0x0000000000830000-0x00000000018EA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3452-6-0x0000000000830000-0x00000000018EA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3452-23-0x0000000003FB0000-0x0000000003FB1000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/3452-67-0x0000000000830000-0x00000000018EA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3452-68-0x0000000000830000-0x00000000018EA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3452-71-0x0000000000830000-0x00000000018EA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3452-73-0x0000000000830000-0x00000000018EA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3452-76-0x0000000000830000-0x00000000018EA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3452-77-0x0000000000830000-0x00000000018EA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3452-80-0x0000000000830000-0x00000000018EA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3452-31-0x00000000037A0000-0x00000000037A2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/3452-83-0x0000000000830000-0x00000000018EA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3452-17-0x0000000000830000-0x00000000018EA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3452-85-0x0000000000830000-0x00000000018EA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3452-108-0x0000000000400000-0x0000000000412000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/3452-98-0x00000000037A0000-0x00000000037A2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/3452-91-0x0000000000830000-0x00000000018EA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4552-35-0x0000000000400000-0x0000000000412000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/4552-82-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/4552-60-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/4552-124-0x0000000000400000-0x0000000000412000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/4552-61-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/4552-64-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                        Filesize

                                        8KB