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
    07-12-2024 10:42

General

  • Target

    554e51df77aac03c6855206c1fc59be472a7b7fb01d978b671def828556205a2N.dll

  • Size

    120KB

  • MD5

    276d51898c915f96f3fb629416a89cb0

  • SHA1

    62f7c9c06bd037e4f210697c1cff9f4a56805149

  • SHA256

    554e51df77aac03c6855206c1fc59be472a7b7fb01d978b671def828556205a2

  • SHA512

    aba56f58ed2d07fde536a1c038951f1bf2e795278d97c1601b709674ba68ef8e4a8c445f690ff2a50844a52ac84b949a97b814404f7cfed4f98aa1a2f643c4ba

  • SSDEEP

    3072:Irpb10i9FjcF4QJ5JRrhvbdCndvXyi+TwoHAMnmPWj:exuwHeJRrhTlTHH5Nj

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 10 IoCs

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

  • UPX packed file 28 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 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:780
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:788
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:316
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2488
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2536
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2684
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3500
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\554e51df77aac03c6855206c1fc59be472a7b7fb01d978b671def828556205a2N.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:4952
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\554e51df77aac03c6855206c1fc59be472a7b7fb01d978b671def828556205a2N.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:2168
                      • C:\Users\Admin\AppData\Local\Temp\e57aece.exe
                        C:\Users\Admin\AppData\Local\Temp\e57aece.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:1516
                      • C:\Users\Admin\AppData\Local\Temp\e57b15e.exe
                        C:\Users\Admin\AppData\Local\Temp\e57b15e.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:3168
                      • C:\Users\Admin\AppData\Local\Temp\e57d06f.exe
                        C:\Users\Admin\AppData\Local\Temp\e57d06f.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:3444
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3656
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3828
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3936
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:4048
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:1412
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:4148
                            • 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:4756
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:860

                                Network

                                MITRE ATT&CK Enterprise v15

                                Replay Monitor

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                                Downloads

                                • C:\Users\Admin\AppData\Local\Temp\e57aece.exe

                                  Filesize

                                  97KB

                                  MD5

                                  991ff666df29a45fab4bce236f578a4f

                                  SHA1

                                  129e1ec30f8ec407dc7bc8384ce1ad2b82e32a12

                                  SHA256

                                  be956caf05228bc7ad65977e5155cb05c309a139324e02ec8a1d7cde7b7cf6d6

                                  SHA512

                                  bf2bb2e13a79537b494c3c89fb9451b983c137663e610e2031f6f373d8691f2985c8ee0663e7d0885ab5a21f5cf7599a58184aa51f2a505899eb219513ccfc29

                                • C:\Windows\SYSTEM.INI

                                  Filesize

                                  257B

                                  MD5

                                  59ff47f9c6c30766ca52628300615263

                                  SHA1

                                  a58cb525e95ea19dd602344dbd4a4b51a28d1a2b

                                  SHA256

                                  736bb851a6012aef23a422f572b63843f4550e17ceb4e4f7509d887963e9cc50

                                  SHA512

                                  7c1c9043a56b128feb86068e40b5b188250ffe85cb545f8c7cd23cb2bd847b54820a4eadc47a1270764ddd9e30f69398e1c4e8c54931e60f9c15006889fcc08c

                                • memory/1516-66-0x0000000000890000-0x000000000194A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1516-67-0x0000000000890000-0x000000000194A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1516-11-0x0000000000890000-0x000000000194A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1516-18-0x0000000000890000-0x000000000194A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1516-19-0x0000000000890000-0x000000000194A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1516-12-0x0000000000890000-0x000000000194A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1516-50-0x0000000000890000-0x000000000194A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1516-21-0x0000000000890000-0x000000000194A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1516-51-0x0000000000890000-0x000000000194A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1516-34-0x00000000005D0000-0x00000000005D2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/1516-31-0x00000000005D0000-0x00000000005D2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/1516-4-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/1516-96-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/1516-27-0x00000000005E0000-0x00000000005E1000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/1516-78-0x0000000000890000-0x000000000194A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1516-76-0x0000000000890000-0x000000000194A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1516-9-0x0000000000890000-0x000000000194A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1516-10-0x0000000000890000-0x000000000194A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1516-73-0x0000000000890000-0x000000000194A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1516-36-0x0000000000890000-0x000000000194A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1516-37-0x0000000000890000-0x000000000194A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1516-38-0x0000000000890000-0x000000000194A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1516-39-0x0000000000890000-0x000000000194A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1516-40-0x0000000000890000-0x000000000194A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1516-6-0x0000000000890000-0x000000000194A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1516-20-0x0000000000890000-0x000000000194A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1516-70-0x0000000000890000-0x000000000194A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1516-8-0x0000000000890000-0x000000000194A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1516-58-0x00000000005D0000-0x00000000005D2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/1516-64-0x0000000000890000-0x000000000194A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1516-63-0x0000000000890000-0x000000000194A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1516-61-0x0000000000890000-0x000000000194A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2168-0-0x0000000010000000-0x0000000010020000-memory.dmp

                                  Filesize

                                  128KB

                                • memory/2168-30-0x0000000003AC0000-0x0000000003AC1000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/2168-29-0x0000000000DE0000-0x0000000000DE2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/2168-23-0x0000000000DE0000-0x0000000000DE2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/2168-22-0x0000000000DE0000-0x0000000000DE2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3168-133-0x0000000000B20000-0x0000000001BDA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3168-54-0x00000000001C0000-0x00000000001C2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3168-134-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/3168-56-0x00000000001C0000-0x00000000001C2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3168-53-0x0000000000420000-0x0000000000421000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/3168-35-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/3168-108-0x0000000000B20000-0x0000000001BDA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3168-75-0x00000000001C0000-0x00000000001C2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3444-57-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/3444-59-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3444-109-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3444-49-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/3444-60-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3444-138-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB