Analysis

  • max time kernel
    96s
  • max time network
    97s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-12-2024 08:39

General

  • Target

    733545c7941f3b79c749b91d67145be97cad9e15558084b878ecd9873b78c604N.dll

  • Size

    120KB

  • MD5

    b2534554ff7881c08bc0c738d3603be0

  • SHA1

    6a6b02475940f3eeaa39b5f46e259814d65cab2e

  • SHA256

    733545c7941f3b79c749b91d67145be97cad9e15558084b878ecd9873b78c604

  • SHA512

    428ae8c52416230fefacf6fdd90173e6466254377db687a7dfa2d54ed71ba3927ac93a5e37bba9db2a0b1ccc6957047d3933a9a57f73fc88a364916440daba6f

  • SSDEEP

    1536:LekTrm6klZrijggIwG31KXboRv0Am7JmV0XI5sOH9n/eZEOJRtbpF:CEGQj3IwOkSvLm7Jm2ifBe/bP

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 16 IoCs

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

  • UPX packed file 35 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:776
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:780
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:1020
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2944
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:3000
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:3060
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3428
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\733545c7941f3b79c749b91d67145be97cad9e15558084b878ecd9873b78c604N.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:4856
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\733545c7941f3b79c749b91d67145be97cad9e15558084b878ecd9873b78c604N.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:4708
                      • C:\Users\Admin\AppData\Local\Temp\e5775cc.exe
                        C:\Users\Admin\AppData\Local\Temp\e5775cc.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:3524
                      • C:\Users\Admin\AppData\Local\Temp\e5776a7.exe
                        C:\Users\Admin\AppData\Local\Temp\e5776a7.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:868
                      • C:\Users\Admin\AppData\Local\Temp\e579182.exe
                        C:\Users\Admin\AppData\Local\Temp\e579182.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:3564
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3544
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3732
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3844
                      • 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:4028
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:4124
                            • 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:4596
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:2792

                                Network

                                MITRE ATT&CK Enterprise v15

                                Replay Monitor

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                                Downloads

                                • C:\Users\Admin\AppData\Local\Temp\e5775cc.exe

                                  Filesize

                                  97KB

                                  MD5

                                  e64f29fb5f7e0721adaf1c969f707f74

                                  SHA1

                                  9e16e5b4e024937f5862d53d2d7569dc7c3ec0f3

                                  SHA256

                                  69fcc53c5384d8e10a43238aee0b0b265183503045a4c0d4e9eac4dc890b3b62

                                  SHA512

                                  d2fd8c9ab869b51c85628d7676d851ed30e97a5f55716cd26fd88c41f5825cf24528a7401f638ca8253efb924c02ea3a0234fc8f59d9816545d07e8b827afd60

                                • C:\Windows\SYSTEM.INI

                                  Filesize

                                  257B

                                  MD5

                                  7f62afad8231bc5c64c9113ecfb0360c

                                  SHA1

                                  fced552daddfbf980f46a7bf051e056ef6122186

                                  SHA256

                                  b8d89ebd2f6e6265cf7ab2fa38812eb3acf7c42d1f4379d588768929735a5bef

                                  SHA512

                                  5827737edef02b29af3b60e123caf45215981fc07efb63d890cff41e71b66ceb498f3ca835b2fd8d9887260deec5e23eddf6874e0561cbc2f1396a6fe8282233

                                • memory/868-59-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/868-115-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/868-80-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/868-58-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/868-60-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3524-78-0x00000000008C0000-0x000000000197A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3524-13-0x00000000008C0000-0x000000000197A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3524-33-0x00000000008C0000-0x000000000197A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3524-4-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/3524-30-0x00000000006B0000-0x00000000006B2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3524-28-0x00000000006B0000-0x00000000006B2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3524-11-0x00000000008C0000-0x000000000197A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3524-10-0x00000000008C0000-0x000000000197A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3524-6-0x00000000008C0000-0x000000000197A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3524-111-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/3524-18-0x0000000003FB0000-0x0000000003FB1000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/3524-93-0x00000000008C0000-0x000000000197A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3524-14-0x00000000008C0000-0x000000000197A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3524-8-0x00000000008C0000-0x000000000197A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3524-35-0x00000000008C0000-0x000000000197A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3524-36-0x00000000008C0000-0x000000000197A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3524-37-0x00000000008C0000-0x000000000197A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3524-38-0x00000000008C0000-0x000000000197A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3524-39-0x00000000008C0000-0x000000000197A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3524-41-0x00000000008C0000-0x000000000197A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3524-42-0x00000000008C0000-0x000000000197A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3524-101-0x00000000006B0000-0x00000000006B2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3524-51-0x00000000008C0000-0x000000000197A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3524-53-0x00000000008C0000-0x000000000197A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3524-54-0x00000000006B0000-0x00000000006B2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3524-55-0x00000000008C0000-0x000000000197A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3524-27-0x00000000008C0000-0x000000000197A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3524-34-0x00000000008C0000-0x000000000197A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3524-91-0x00000000008C0000-0x000000000197A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3524-83-0x00000000008C0000-0x000000000197A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3524-12-0x00000000008C0000-0x000000000197A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3524-82-0x00000000008C0000-0x000000000197A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3524-65-0x00000000008C0000-0x000000000197A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3524-66-0x00000000008C0000-0x000000000197A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3524-69-0x00000000008C0000-0x000000000197A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3524-71-0x00000000008C0000-0x000000000197A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3524-74-0x00000000008C0000-0x000000000197A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3524-75-0x00000000008C0000-0x000000000197A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3524-9-0x00000000008C0000-0x000000000197A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3524-79-0x00000000008C0000-0x000000000197A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3564-127-0x0000000000B30000-0x0000000001BEA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3564-64-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/3564-62-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3564-85-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3564-63-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3564-47-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/3564-158-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/3564-157-0x0000000000B30000-0x0000000001BEA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4708-16-0x0000000004460000-0x0000000004461000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/4708-32-0x0000000001440000-0x0000000001442000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4708-19-0x0000000001440000-0x0000000001442000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4708-15-0x0000000001440000-0x0000000001442000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4708-0-0x0000000010000000-0x0000000010020000-memory.dmp

                                  Filesize

                                  128KB