Analysis

  • max time kernel
    93s
  • 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
    07-12-2024 02:49

General

  • Target

    27423b5455cd2e0b88fb9151e55ba3a34c506fced92c8f9226615b7fce4507faN.dll

  • Size

    120KB

  • MD5

    c83a51c2cb9cc050b1d3694d3a2772f0

  • SHA1

    83b307efa30cee1bebd7087e76dd6f6b1fc12257

  • SHA256

    27423b5455cd2e0b88fb9151e55ba3a34c506fced92c8f9226615b7fce4507fa

  • SHA512

    3bb4c90a7b73e88198915034c4236c3d73a33fd4516311d8d9c2078d1de0bd91a2ca757f9ead3c947688bea16f96f9d317650ffba6b3f5f1a52fe24cb9f2fa4a

  • SSDEEP

    1536:DpT6/31Z6NhGIAluABAzi3IeiscHtQe6gOPaiisMElqPkYOMKAXx:sP1k7GIALAziIDNQe6libPsY

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 9 IoCs

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

  • UPX packed file 29 IoCs

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

  • Drops file in Program Files directory 3 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:776
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:780
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:392
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2832
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2848
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:3044
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3488
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\27423b5455cd2e0b88fb9151e55ba3a34c506fced92c8f9226615b7fce4507faN.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:1168
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\27423b5455cd2e0b88fb9151e55ba3a34c506fced92c8f9226615b7fce4507faN.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:1324
                      • C:\Users\Admin\AppData\Local\Temp\e579839.exe
                        C:\Users\Admin\AppData\Local\Temp\e579839.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:3948
                      • C:\Users\Admin\AppData\Local\Temp\e579981.exe
                        C:\Users\Admin\AppData\Local\Temp\e579981.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:4664
                      • C:\Users\Admin\AppData\Local\Temp\e57bb61.exe
                        C:\Users\Admin\AppData\Local\Temp\e57bb61.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 WriteProcessMemory
                        • System policy modification
                        PID:228
                      • C:\Users\Admin\AppData\Local\Temp\e57bc6a.exe
                        C:\Users\Admin\AppData\Local\Temp\e57bc6a.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:800
                • 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:3800
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3892
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3956
                        • 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:3556
                            • 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:1496
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:4556

                                Network

                                MITRE ATT&CK Enterprise v15

                                Replay Monitor

                                Loading Replay Monitor...

                                Downloads

                                • C:\Users\Admin\AppData\Local\Temp\e579839.exe

                                  Filesize

                                  97KB

                                  MD5

                                  5737b84b2733c71ecd940b26c12dcda2

                                  SHA1

                                  63c3e2000ad6b8f5ae8a907ea96ec236cad99109

                                  SHA256

                                  c5cdef5e77543049882ea5b2d16a6310b61aa5d8fdccc24ec27a1e2199c2f9cc

                                  SHA512

                                  28189d113cd5f4e4647c0587650f5af437e3f8f1e19d90187ac97ec300e3a4bddaef9361a657686abb047320c10dc6d257b7727c063cef15a3b555f3243092c2

                                • C:\Windows\SYSTEM.INI

                                  Filesize

                                  257B

                                  MD5

                                  32934d4f2619d0e501b998c4f9889448

                                  SHA1

                                  3933cb14cf0e42a9381531ed12e75d0f102fffd3

                                  SHA256

                                  1e816e332a9fe19d2cb65810d033f70c8e948dc0c1ad40a0b2e61b9348251b49

                                  SHA512

                                  a08be45fe41574a1017f637133c6f757d0cdd27b2cffa50c9ba6d9832cc155fe4e32ec5b97c2b52fed50c15ae2345abb72c37d1ae02ea31199131e60e6dffd02

                                • memory/228-83-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/228-141-0x0000000000B50000-0x0000000001C0A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/228-140-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/228-127-0x0000000000B50000-0x0000000001C0A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/228-57-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/228-64-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/800-62-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/800-78-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/800-63-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/800-110-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/800-59-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/800-52-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/1324-13-0x0000000000D90000-0x0000000000D92000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/1324-17-0x0000000000D90000-0x0000000000D92000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/1324-0-0x0000000010000000-0x0000000010020000-memory.dmp

                                  Filesize

                                  128KB

                                • memory/1324-21-0x0000000000810000-0x0000000000813000-memory.dmp

                                  Filesize

                                  12KB

                                • memory/1324-49-0x0000000000D90000-0x0000000000D92000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/1324-14-0x0000000004190000-0x0000000004191000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/3948-10-0x0000000000810000-0x00000000018CA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3948-82-0x0000000000810000-0x00000000018CA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3948-36-0x0000000000810000-0x00000000018CA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3948-37-0x0000000000810000-0x00000000018CA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3948-38-0x0000000000810000-0x00000000018CA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3948-39-0x0000000000810000-0x00000000018CA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3948-40-0x0000000000810000-0x00000000018CA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3948-16-0x0000000001B70000-0x0000000001B71000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/3948-20-0x0000000000810000-0x00000000018CA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3948-4-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/3948-6-0x0000000000810000-0x00000000018CA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3948-9-0x0000000000810000-0x00000000018CA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3948-22-0x0000000000810000-0x00000000018CA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3948-34-0x0000000000810000-0x00000000018CA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3948-33-0x0000000000810000-0x00000000018CA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3948-32-0x0000000001B60000-0x0000000001B62000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3948-8-0x0000000000810000-0x00000000018CA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3948-65-0x0000000000810000-0x00000000018CA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3948-66-0x0000000001B60000-0x0000000001B62000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3948-67-0x0000000000810000-0x00000000018CA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3948-68-0x0000000000810000-0x00000000018CA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3948-69-0x0000000000810000-0x00000000018CA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3948-71-0x0000000000810000-0x00000000018CA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3948-73-0x0000000000810000-0x00000000018CA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3948-75-0x0000000000810000-0x00000000018CA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3948-77-0x0000000000810000-0x00000000018CA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3948-12-0x0000000000810000-0x00000000018CA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3948-80-0x0000000000810000-0x00000000018CA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3948-35-0x0000000000810000-0x00000000018CA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3948-11-0x0000000000810000-0x00000000018CA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3948-84-0x0000000000810000-0x00000000018CA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3948-102-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/3948-25-0x0000000001B60000-0x0000000001B62000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4664-106-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/4664-61-0x00000000001F0000-0x00000000001F2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4664-31-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/4664-60-0x00000000001F0000-0x00000000001F2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4664-55-0x0000000000570000-0x0000000000571000-memory.dmp

                                  Filesize

                                  4KB