Analysis

  • max time kernel
    92s
  • max time network
    94s
  • 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 05:43

General

  • Target

    dd628f75a4584abe36b86b7f8fff8775d5a0f101162c69234952f0934ffa0789N.dll

  • Size

    120KB

  • MD5

    db40b7153175f6a3e9aef8b0620b2b90

  • SHA1

    75ade3e99bc5a5fefd75d369fe7a457ea7fd43fe

  • SHA256

    dd628f75a4584abe36b86b7f8fff8775d5a0f101162c69234952f0934ffa0789

  • SHA512

    055d702eb19f7d353633f5e83bba810c3035e2961e4c17c6ae8716dd5a9e7b742eb7f739c1cdd54345cfb4f91feb5d555ff75c9dc65840b83e985b320ae1da0f

  • SSDEEP

    1536:9Hw4dBNhLDNL48cZqpoYrhbSVJoTacD+WsjWL0+fOm2YfKKd00Wybcj7tV:y0hLC8cMpbrhbSVgC9WL0+2jLy+hV

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 4 IoCs
  • Windows security modification 2 TTPs 14 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 17 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 5 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:768
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:776
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:372
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2648
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2688
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2912
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3440
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\dd628f75a4584abe36b86b7f8fff8775d5a0f101162c69234952f0934ffa0789N.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:2364
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\dd628f75a4584abe36b86b7f8fff8775d5a0f101162c69234952f0934ffa0789N.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:1444
                      • C:\Users\Admin\AppData\Local\Temp\e5760fc.exe
                        C:\Users\Admin\AppData\Local\Temp\e5760fc.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:3352
                      • C:\Users\Admin\AppData\Local\Temp\e5761f6.exe
                        C:\Users\Admin\AppData\Local\Temp\e5761f6.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:4852
                      • C:\Users\Admin\AppData\Local\Temp\e577c92.exe
                        C:\Users\Admin\AppData\Local\Temp\e577c92.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:2460
                      • C:\Users\Admin\AppData\Local\Temp\e577cb2.exe
                        C:\Users\Admin\AppData\Local\Temp\e577cb2.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:3140
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3572
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3760
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3852
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3912
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:3996
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:3496
                            • 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:1464
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:3532

                                Network

                                MITRE ATT&CK Enterprise v15

                                Replay Monitor

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                                Downloads

                                • C:\Users\Admin\AppData\Local\Temp\e5760fc.exe

                                  Filesize

                                  97KB

                                  MD5

                                  d7d79927c625bbff8c87ea711ccca450

                                  SHA1

                                  69db4cc876c8a9d7ca44daf8828a933ca72da566

                                  SHA256

                                  1738e045f46911510a1f4573ddb9b31d82ddbfc1db581db062b21672ff3a6bbc

                                  SHA512

                                  66c80640495bea9f10724e9f2838f6abd4360bb8593564fe5b90efee52562bc63616a6f3dd781aaeb72bbc68d93fa2da1e7551547548bf310bbaf12b395c2329

                                • C:\Windows\SYSTEM.INI

                                  Filesize

                                  257B

                                  MD5

                                  8821fa9968a87160b43752b82ee62b10

                                  SHA1

                                  1d4c0eef248520e2b859680e4a692b79cf3ee8ec

                                  SHA256

                                  f6d31f4670c9c786ec31bd216f42acc231e933505c07beebf649b1ef24a19621

                                  SHA512

                                  dbb9ec69fad1e820b16c576c19ef7ce1ed5308b1935f5c63c29044ed12af2d7a71528161868b77e42abcf05d6b8d7eff1798fd88b32a58e05bef469000f17368

                                • memory/1444-13-0x0000000000A80000-0x0000000000A82000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/1444-19-0x0000000000A80000-0x0000000000A82000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/1444-14-0x0000000000A90000-0x0000000000A91000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/1444-0-0x0000000010000000-0x0000000010020000-memory.dmp

                                  Filesize

                                  128KB

                                • memory/1444-26-0x0000000000A80000-0x0000000000A82000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/2460-72-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/2460-167-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/2460-54-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/2460-94-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/2460-66-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/2460-70-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3140-137-0x0000000000B30000-0x0000000001BEA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3140-71-0x00000000001F0000-0x00000000001F2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3140-73-0x00000000001F0000-0x00000000001F2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3140-68-0x0000000000570000-0x0000000000571000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/3140-95-0x00000000001F0000-0x00000000001F2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3140-169-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/3140-55-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/3140-168-0x0000000000B30000-0x0000000001BEA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3352-59-0x0000000000750000-0x000000000180A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3352-12-0x0000000000750000-0x000000000180A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3352-37-0x0000000000750000-0x000000000180A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3352-38-0x0000000000750000-0x000000000180A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3352-39-0x0000000000750000-0x000000000180A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3352-41-0x0000000000750000-0x000000000180A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3352-42-0x0000000000750000-0x000000000180A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3352-56-0x0000000001A70000-0x0000000001A72000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3352-35-0x0000000000750000-0x000000000180A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3352-10-0x0000000000750000-0x000000000180A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3352-57-0x0000000000750000-0x000000000180A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3352-11-0x0000000000750000-0x000000000180A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3352-60-0x0000000000750000-0x000000000180A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3352-4-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/3352-6-0x0000000000750000-0x000000000180A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3352-9-0x0000000000750000-0x000000000180A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3352-27-0x0000000001A70000-0x0000000001A72000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3352-28-0x0000000000750000-0x000000000180A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3352-33-0x0000000000750000-0x000000000180A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3352-34-0x0000000000750000-0x000000000180A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3352-8-0x0000000000750000-0x000000000180A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3352-36-0x0000000000750000-0x000000000180A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3352-74-0x0000000000750000-0x000000000180A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3352-75-0x0000000000750000-0x000000000180A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3352-78-0x0000000000750000-0x000000000180A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3352-80-0x0000000000750000-0x000000000180A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3352-83-0x0000000000750000-0x000000000180A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3352-84-0x0000000000750000-0x000000000180A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3352-87-0x0000000000750000-0x000000000180A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3352-88-0x0000000000750000-0x000000000180A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3352-16-0x0000000003E70000-0x0000000003E71000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/3352-91-0x0000000000750000-0x000000000180A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3352-92-0x0000000000750000-0x000000000180A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3352-93-0x0000000000750000-0x000000000180A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3352-31-0x0000000000750000-0x000000000180A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3352-25-0x0000000001A70000-0x0000000001A72000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3352-99-0x0000000000750000-0x000000000180A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3352-116-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/4852-120-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/4852-32-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/4852-89-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4852-63-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/4852-69-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4852-64-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB