Analysis

  • max time kernel
    93s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-12-2024 20:02

General

  • Target

    4dde81fe6d360405eff0455e3c24706b1b1e343a222ea913b41b778a626a992fN.dll

  • Size

    120KB

  • MD5

    520d05ef35a549a35666e88c8782fb00

  • SHA1

    caaaca67da64a3f72e8e9c51a8dddfe84c722c1f

  • SHA256

    4dde81fe6d360405eff0455e3c24706b1b1e343a222ea913b41b778a626a992f

  • SHA512

    25f7a7193c4283b74bf1a0e789e7707572ab038b324a4879c4eeefd468b39ec74d96a036316481688b4f2beb03175b60a7335fa2cf5ecac09a7e6335e31801bd

  • SSDEEP

    1536:IEil8QW5MBa3RsXA2bcidvaS/bkRDbsg3/8OWK+2h/zzyvfaPGhukDhRMNKCR:IEe8EB4wpdikkRDI+/uKh/BGMoMKCR

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 13 IoCs

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

  • UPX packed file 27 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 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:332
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2504
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2528
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2648
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3508
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\4dde81fe6d360405eff0455e3c24706b1b1e343a222ea913b41b778a626a992fN.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:3748
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\4dde81fe6d360405eff0455e3c24706b1b1e343a222ea913b41b778a626a992fN.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:1820
                      • C:\Users\Admin\AppData\Local\Temp\e57ba95.exe
                        C:\Users\Admin\AppData\Local\Temp\e57ba95.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:4156
                      • C:\Users\Admin\AppData\Local\Temp\e57bb8f.exe
                        C:\Users\Admin\AppData\Local\Temp\e57bb8f.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:4928
                      • C:\Users\Admin\AppData\Local\Temp\e57e2af.exe
                        C:\Users\Admin\AppData\Local\Temp\e57e2af.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:3580
                • 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:3840
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3940
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:4016
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:512
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:3544
                            • 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:1748
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:3188

                                Network

                                MITRE ATT&CK Enterprise v15

                                Replay Monitor

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                                Downloads

                                • C:\Users\Admin\AppData\Local\Temp\e57ba95.exe

                                  Filesize

                                  97KB

                                  MD5

                                  f0e0c32a358f0660226ee499af623f32

                                  SHA1

                                  2eccc8d013453e73914167cb4703254669ced875

                                  SHA256

                                  42aeeba547267f2db2f30e8f3797cae47c84fa6f176695fe7a8169558ab925a2

                                  SHA512

                                  8686161a9a762385423fd0da2200058d860f8c70f8cb8943fb12dc43e1ed05f8cd1cb8ed096aff98a14ef94d745340b8d5bf0440b84b7dfb09a990b4c184382a

                                • C:\Windows\SYSTEM.INI

                                  Filesize

                                  257B

                                  MD5

                                  bed19a74ee672ed61499614548107046

                                  SHA1

                                  fcc0db693c5f739cbd780ed3040abf431d594d0f

                                  SHA256

                                  39a37a40128a08603936bb8587deb18720f9d9105a924c1ca960b46e0347672a

                                  SHA512

                                  243b3741784354411c8c3ad343eab6405a86f3b6910f129a34b29e8b0e045b9befe4606df1ee848bad4c770264d2ad4a5679307c334074a6bf904d614f7f58fd

                                • memory/1820-1-0x0000000010000000-0x0000000010020000-memory.dmp

                                  Filesize

                                  128KB

                                • memory/1820-20-0x0000000000CE0000-0x0000000000CE2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/1820-16-0x0000000000CE0000-0x0000000000CE2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/1820-12-0x0000000000CE0000-0x0000000000CE2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/1820-19-0x0000000000CF0000-0x0000000000CF1000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/3580-155-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/3580-121-0x0000000000B40000-0x0000000001BFA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3580-81-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3580-54-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3580-56-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3580-52-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/3580-154-0x0000000000B40000-0x0000000001BFA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4156-39-0x00000000007E0000-0x000000000189A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4156-58-0x00000000007E0000-0x000000000189A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4156-9-0x00000000007E0000-0x000000000189A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4156-26-0x0000000001A30000-0x0000000001A32000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4156-15-0x0000000003D30000-0x0000000003D31000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/4156-35-0x00000000007E0000-0x000000000189A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4156-37-0x00000000007E0000-0x000000000189A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4156-36-0x00000000007E0000-0x000000000189A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4156-38-0x00000000007E0000-0x000000000189A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4156-40-0x00000000007E0000-0x000000000189A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4156-34-0x00000000007E0000-0x000000000189A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4156-31-0x0000000001A30000-0x0000000001A32000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4156-33-0x00000000007E0000-0x000000000189A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4156-5-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/4156-6-0x00000000007E0000-0x000000000189A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4156-57-0x00000000007E0000-0x000000000189A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4156-30-0x00000000007E0000-0x000000000189A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4156-8-0x00000000007E0000-0x000000000189A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4156-29-0x00000000007E0000-0x000000000189A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4156-10-0x00000000007E0000-0x000000000189A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4156-60-0x0000000001A30000-0x0000000001A32000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4156-61-0x00000000007E0000-0x000000000189A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4156-63-0x00000000007E0000-0x000000000189A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4156-65-0x00000000007E0000-0x000000000189A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4156-67-0x00000000007E0000-0x000000000189A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4156-68-0x00000000007E0000-0x000000000189A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4156-70-0x00000000007E0000-0x000000000189A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4156-77-0x00000000007E0000-0x000000000189A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4156-90-0x00000000007E0000-0x000000000189A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4156-11-0x00000000007E0000-0x000000000189A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4156-100-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/4928-80-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4928-104-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/4928-50-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/4928-53-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4928-55-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4928-32-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB