Analysis

  • max time kernel
    101s
  • max time network
    102s
  • 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 11:18

General

  • Target

    de7e77a3ff2cf4897177c46aa284f50644671e58d0e1793b487854dd34e60757N.dll

  • Size

    120KB

  • MD5

    f087713cbf3a5cc44abb1b110f7ddbe0

  • SHA1

    a0d0ba4c5580a5ac80a2ce4cf54c21d8d3674066

  • SHA256

    de7e77a3ff2cf4897177c46aa284f50644671e58d0e1793b487854dd34e60757

  • SHA512

    81860ba0c8db998582b1009d914e337c28b540d6e16b13d3c198cb558b8fcbde9e15ec14485f36fa88531d5871fdc0280fd7ff06ef0507178503480644a60316

  • SSDEEP

    1536:NsvKA0c9wqGmXVGt0hKfaxVccXM4a7CdZnl1hzDOihkFoqumiV+vJ2//jhjSC:kR5hGmX+L8Vc97mlfGimFtuz+BaFF

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:764
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:772
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:64
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2660
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2684
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2856
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3408
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\de7e77a3ff2cf4897177c46aa284f50644671e58d0e1793b487854dd34e60757N.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:4884
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\de7e77a3ff2cf4897177c46aa284f50644671e58d0e1793b487854dd34e60757N.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:3444
                      • C:\Users\Admin\AppData\Local\Temp\e5779a4.exe
                        C:\Users\Admin\AppData\Local\Temp\e5779a4.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:804
                      • C:\Users\Admin\AppData\Local\Temp\e577abe.exe
                        C:\Users\Admin\AppData\Local\Temp\e577abe.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:3336
                      • C:\Users\Admin\AppData\Local\Temp\e57952b.exe
                        C:\Users\Admin\AppData\Local\Temp\e57952b.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:2112
                      • C:\Users\Admin\AppData\Local\Temp\e57953b.exe
                        C:\Users\Admin\AppData\Local\Temp\e57953b.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:2912
                • 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:3792
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3884
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3948
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:4032
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:4140
                            • 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:4640
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:912

                                Network

                                MITRE ATT&CK Enterprise v15

                                Replay Monitor

                                Loading Replay Monitor...

                                Downloads

                                • C:\Users\Admin\AppData\Local\Temp\e5779a4.exe

                                  Filesize

                                  97KB

                                  MD5

                                  090deaa37bd724848c4636649abd2a8f

                                  SHA1

                                  7209509d49b61efdd0593be3b1c47f137e096ca8

                                  SHA256

                                  c3bd11a8cbef20fc8e51cc04c07b827d621a8a87d459787a09fa07f578074758

                                  SHA512

                                  f562d36cdb99c27be846eaaf080376febea442ad3ea46e0056a9ac5fbea1de8e2ca08cf31372c2bc193c97626d803324f1b0b301b5a0da6de93e7d3aaa8ca362

                                • C:\Windows\SYSTEM.INI

                                  Filesize

                                  257B

                                  MD5

                                  12b456300920a3d05bd98a88d51e62da

                                  SHA1

                                  f39c6ada98155f57dba1b949852bf1bc567395e6

                                  SHA256

                                  7ac169622385867688ed9a7787d5bb0822dc488916a2f1e12e5324e3652c4bc2

                                  SHA512

                                  02b38546e8f7c4c66ce0a109e2288bd96da6123d50f815c457b1411964fa285dbc023df26eab79eaf736737c16690be204420b7fcac9bd40a7d63142bd678d5c

                                • memory/804-59-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/804-85-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/804-9-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/804-22-0x0000000001B80000-0x0000000001B81000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/804-18-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/804-61-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/804-28-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/804-23-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/804-30-0x0000000001B70000-0x0000000001B72000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/804-4-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/804-12-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/804-27-0x0000000001B70000-0x0000000001B72000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/804-116-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/804-99-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/804-11-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/804-10-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/804-97-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/804-8-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/804-33-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/804-35-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/804-36-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/804-37-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/804-38-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/804-39-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/804-41-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/804-42-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/804-56-0x0000000001B70000-0x0000000001B72000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/804-90-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/804-89-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/804-57-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/804-88-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/804-86-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/804-6-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/804-83-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/804-81-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/804-79-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/804-75-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/804-74-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2112-72-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/2112-54-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/2112-94-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/2112-69-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/2112-65-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/2112-149-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/2912-67-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/2912-95-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/2912-55-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/2912-169-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/2912-132-0x0000000000B30000-0x0000000001BEA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2912-168-0x0000000000B30000-0x0000000001BEA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2912-73-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/2912-70-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3336-93-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3336-68-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3336-63-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/3336-120-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/3336-34-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/3336-71-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3444-26-0x00000000006B0000-0x00000000006B2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3444-20-0x00000000006C0000-0x00000000006C1000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/3444-29-0x00000000006B0000-0x00000000006B2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3444-0-0x0000000010000000-0x0000000010020000-memory.dmp

                                  Filesize

                                  128KB

                                • memory/3444-19-0x00000000006B0000-0x00000000006B2000-memory.dmp

                                  Filesize

                                  8KB