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Analysis

  • max time kernel
    100s
  • 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
    10/12/2024, 07:12

General

  • Target

    76fca81a890bff9e28d6be027009c32450e54a499d0b8113437bf559b2d02b10N.dll

  • Size

    120KB

  • MD5

    ab5344f146a40eff393d1baada2d47a0

  • SHA1

    4eb82699e1b9b4755e903882946fcd7ae2036e8d

  • SHA256

    76fca81a890bff9e28d6be027009c32450e54a499d0b8113437bf559b2d02b10

  • SHA512

    a70d319a9278e060c80e745ee05885aa8d9e55bb417c24000d6789df19fa66f4b79156a19d6356a29cfa659f89e113058a1d277af76a8a4b5f1e9ef23b3a0f1b

  • SSDEEP

    3072:o0T5hEPnV9P2VgKqrKw9ifZ7fyV6Uv7uwU8O:o25hwnTBevoUv

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 4 IoCs

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

  • UPX packed file 31 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\76fca81a890bff9e28d6be027009c32450e54a499d0b8113437bf559b2d02b10N.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:1356
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\76fca81a890bff9e28d6be027009c32450e54a499d0b8113437bf559b2d02b10N.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:3860
                      • C:\Users\Admin\AppData\Local\Temp\e57bbaf.exe
                        C:\Users\Admin\AppData\Local\Temp\e57bbaf.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:3208
                      • C:\Users\Admin\AppData\Local\Temp\e57bd74.exe
                        C:\Users\Admin\AppData\Local\Temp\e57bd74.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:3220
                      • C:\Users\Admin\AppData\Local\Temp\e57fe74.exe
                        C:\Users\Admin\AppData\Local\Temp\e57fe74.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:2036
                • 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\e57bbaf.exe

                                  Filesize

                                  97KB

                                  MD5

                                  10b1802391f0424591cec545faa96cc7

                                  SHA1

                                  d9f204fc1514b27f938f692cac8aa7a9585fdf23

                                  SHA256

                                  cf07cda3afd2a6df0485881994d3dbeb13143ada4e70cdfd8af2c9ac720cc323

                                  SHA512

                                  ccd1292e834aa3b09b581d17af1867dac594dbe1176b4c04ecce2333c8e8efb9704c904ad1b759975bc1b1665a47b09c16605a0189939d30e93acb98b0f6fa28

                                • C:\Windows\SYSTEM.INI

                                  Filesize

                                  257B

                                  MD5

                                  169314f75ee5a75e04949c753d4f06e0

                                  SHA1

                                  760ebd5200037e788aecdfad4e81a4074fef4989

                                  SHA256

                                  f23ec14565ce276ed0feea92bea6675f2379beb16125066b272e005730a57caf

                                  SHA512

                                  1663ad973d0a5f59e4e5fa7b51951f4239d05423ead1a09a0874281c2240f582c61c7e4f654063d3911dbf69787af5dcb0cc91f9c88f9125da167825ef55f52a

                                • memory/2036-89-0x0000000000760000-0x000000000181A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2036-120-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/2036-85-0x0000000000760000-0x000000000181A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2036-87-0x0000000000760000-0x000000000181A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2036-121-0x0000000000760000-0x000000000181A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2036-90-0x0000000000760000-0x000000000181A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2036-88-0x0000000000760000-0x000000000181A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2036-86-0x0000000000760000-0x000000000181A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2036-92-0x0000000000760000-0x000000000181A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2036-91-0x0000000000760000-0x000000000181A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2036-83-0x0000000000760000-0x000000000181A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3208-37-0x0000000000830000-0x00000000018EA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3208-31-0x00000000037A0000-0x00000000037A2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3208-4-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/3208-13-0x0000000000830000-0x00000000018EA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3208-9-0x0000000000830000-0x00000000018EA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3208-8-0x0000000000830000-0x00000000018EA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3208-12-0x0000000000830000-0x00000000018EA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3208-6-0x0000000000830000-0x00000000018EA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3208-35-0x0000000000830000-0x00000000018EA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3208-10-0x0000000000830000-0x00000000018EA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3208-18-0x0000000003FB0000-0x0000000003FB1000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/3208-38-0x0000000000830000-0x00000000018EA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3208-11-0x0000000000830000-0x00000000018EA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3208-28-0x00000000037A0000-0x00000000037A2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3208-42-0x0000000000830000-0x00000000018EA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3208-45-0x0000000000830000-0x00000000018EA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3208-44-0x0000000000830000-0x00000000018EA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3208-47-0x0000000000830000-0x00000000018EA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3208-27-0x0000000000830000-0x00000000018EA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3208-55-0x0000000000830000-0x00000000018EA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3208-56-0x0000000000830000-0x00000000018EA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3208-58-0x0000000000830000-0x00000000018EA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3208-68-0x00000000037A0000-0x00000000037A2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3208-60-0x0000000000830000-0x00000000018EA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3208-78-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/3208-32-0x0000000000830000-0x00000000018EA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3208-14-0x0000000000830000-0x00000000018EA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3220-40-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/3220-36-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/3220-82-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/3220-43-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3220-41-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3860-29-0x0000000000CA0000-0x0000000000CA2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3860-30-0x0000000003A50000-0x0000000003A51000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/3860-52-0x0000000000CA0000-0x0000000000CA2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3860-1-0x0000000010000000-0x0000000010020000-memory.dmp

                                  Filesize

                                  128KB

                                • memory/3860-19-0x0000000000CA0000-0x0000000000CA2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3860-15-0x0000000000CA0000-0x0000000000CA2000-memory.dmp

                                  Filesize

                                  8KB