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
    17-12-2024 06:58

General

  • Target

    b54df043db12c340639ed6b51537bc57f2e7dd9ee9f48322cd228351063bdf71.dll

  • Size

    120KB

  • MD5

    f26bb03801443d31d60689ef0deab95d

  • SHA1

    45a619b307e356cfeee1fedd63ad1ecab79b8dec

  • SHA256

    b54df043db12c340639ed6b51537bc57f2e7dd9ee9f48322cd228351063bdf71

  • SHA512

    51cf2d6692f207152ec1fdd055493f04ada8e130a68eedb9bc078997728c4a8f8bc381797ee21b06a56c7c87a05e6fd4b78ab7d4c05dcc1e697d4f7ed8861b77

  • SSDEEP

    3072:bxrqZzLskmmOzCf1Pnn4khqb7yih1AHhjJGDxJ:bxrq316nxADG3

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 6 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 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:788
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:796
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:384
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2780
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2800
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2204
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3468
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\b54df043db12c340639ed6b51537bc57f2e7dd9ee9f48322cd228351063bdf71.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:1356
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\b54df043db12c340639ed6b51537bc57f2e7dd9ee9f48322cd228351063bdf71.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:2772
                      • C:\Users\Admin\AppData\Local\Temp\e57bb32.exe
                        C:\Users\Admin\AppData\Local\Temp\e57bb32.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 AdjustPrivilegeToken
                        • Suspicious use of WriteProcessMemory
                        • System policy modification
                        PID:5068
                      • C:\Users\Admin\AppData\Local\Temp\e57bc99.exe
                        C:\Users\Admin\AppData\Local\Temp\e57bc99.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:4372
                      • C:\Users\Admin\AppData\Local\Temp\e57f29d.exe
                        C:\Users\Admin\AppData\Local\Temp\e57f29d.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:4008
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3560
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3768
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3864
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3924
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:4052
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:4144
                            • 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:2232
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:4448

                                Network

                                MITRE ATT&CK Enterprise v15

                                Replay Monitor

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                                Downloads

                                • C:\Users\Admin\AppData\Local\Temp\e57bb32.exe

                                  Filesize

                                  97KB

                                  MD5

                                  88067442deaaa41519b2e466526871d6

                                  SHA1

                                  9ae21d76351c3efb609f35a66cbf33b1aaa3e203

                                  SHA256

                                  78afcf920506ee1b62d377ffbf6841f26e3f4988b3412a4f9bf726983e427db8

                                  SHA512

                                  86ea01cfc605a35284929ddd89ee9027c6a7b0842e50f03f1e05d9a34ddf4a3409eb670fbd2c6184d671f61eb6653ae98e0b24c2e00423cde959cd75b7c3e6aa

                                • C:\Windows\SYSTEM.INI

                                  Filesize

                                  256B

                                  MD5

                                  3fd0a3c34646fe4fb65aadcb79ebeddc

                                  SHA1

                                  1fcffe24d91e2aff01819c703a94dd3e0f859af4

                                  SHA256

                                  8835ed0110c48831452b944d0d0b442485a3c004314c84b468fd9d8f5304f38d

                                  SHA512

                                  8088e4228c80d5d3669098fd7ed644ad8d43ca194b1b1edf9c58d19ca63cc7b2202742cbdc633133fc515fc78871659abccf4c132cf9dd5ca18f46589cb46789

                                • memory/2772-0-0x0000000010000000-0x0000000010020000-memory.dmp

                                  Filesize

                                  128KB

                                • memory/2772-50-0x00000000041C0000-0x00000000041C2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/2772-20-0x00000000041C0000-0x00000000041C2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/2772-21-0x0000000004250000-0x0000000004251000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/2772-28-0x00000000041C0000-0x00000000041C2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/2772-26-0x00000000041C0000-0x00000000041C2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4008-86-0x0000000000810000-0x00000000018CA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4008-92-0x0000000000810000-0x00000000018CA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4008-90-0x0000000000810000-0x00000000018CA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4008-89-0x0000000000810000-0x00000000018CA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4008-100-0x0000000000810000-0x00000000018CA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4008-91-0x0000000000810000-0x00000000018CA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4008-88-0x0000000000810000-0x00000000018CA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4008-128-0x0000000000810000-0x00000000018CA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4008-127-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/4372-40-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/4372-85-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/4372-82-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4372-33-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/4372-44-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4372-41-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/5068-27-0x0000000000790000-0x000000000184A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/5068-81-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/5068-37-0x0000000000790000-0x000000000184A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/5068-43-0x0000000000790000-0x000000000184A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/5068-36-0x0000000000790000-0x000000000184A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/5068-42-0x0000000000790000-0x000000000184A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/5068-35-0x0000000000790000-0x000000000184A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/5068-53-0x0000000000790000-0x000000000184A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/5068-54-0x0000000000790000-0x000000000184A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/5068-56-0x0000000000790000-0x000000000184A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/5068-58-0x00000000037A0000-0x00000000037A2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/5068-59-0x0000000000790000-0x000000000184A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/5068-60-0x0000000000790000-0x000000000184A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/5068-38-0x0000000000790000-0x000000000184A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/5068-64-0x0000000000790000-0x000000000184A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/5068-23-0x0000000003FB0000-0x0000000003FB1000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/5068-9-0x0000000000790000-0x000000000184A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/5068-18-0x0000000000790000-0x000000000184A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/5068-29-0x00000000037A0000-0x00000000037A2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/5068-32-0x00000000037A0000-0x00000000037A2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/5068-34-0x0000000000790000-0x000000000184A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/5068-19-0x0000000000790000-0x000000000184A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/5068-11-0x0000000000790000-0x000000000184A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/5068-13-0x0000000000790000-0x000000000184A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/5068-8-0x0000000000790000-0x000000000184A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/5068-10-0x0000000000790000-0x000000000184A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/5068-4-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB