Analysis

  • max time kernel
    146s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/10/2023, 18:03

General

  • Target

    NEAS.81d6888de9ff514b570558b6ca717ce0.dll

  • Size

    120KB

  • MD5

    81d6888de9ff514b570558b6ca717ce0

  • SHA1

    77ae2f1ff63597924c4737669a5864f9508b8e82

  • SHA256

    62dc79bf443f3d610e36ded5830db5230061833969850651162a6a9524025411

  • SHA512

    411f32ed00c9686d74897ecb3069daac7db60612c7cb65ad57382bcbfafff4770d35561a4771c296520be939149480cb4ddc754aaa748503281e756d80632e46

  • SSDEEP

    3072:PpgN4qeyqNDGA6Sdr7soMYbp9bULfYvmNwt15Wj:Bg+7R7YLfYvbb5Wj

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 2 TTPs 6 IoCs
  • Sality

    Sality is backdoor written in C++, first discovered in 2003.

  • UAC bypass 3 TTPs 2 IoCs
  • Windows security bypass 2 TTPs 12 IoCs
  • Executes dropped EXE 3 IoCs
  • UPX packed file 23 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Windows security modification 2 TTPs 14 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 7 IoCs

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

  • Drops file in Windows directory 3 IoCs
  • 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\dwm.exe
    "dwm.exe"
    1⤵
      PID:388
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:784
      • C:\Windows\system32\fontdrvhost.exe
        "fontdrvhost.exe"
        1⤵
          PID:780
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2744
          • C:\Windows\System32\RuntimeBroker.exe
            C:\Windows\System32\RuntimeBroker.exe -Embedding
            1⤵
              PID:3744
            • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
              "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
              1⤵
                PID:3636
              • C:\Windows\system32\DllHost.exe
                C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                1⤵
                  PID:3536
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3312
                  • 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:3784
                    • C:\Windows\system32\backgroundTaskHost.exe
                      "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                      1⤵
                        PID:3336
                      • C:\Windows\system32\backgroundTaskHost.exe
                        "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
                        1⤵
                          PID:4548
                        • C:\Windows\system32\backgroundTaskHost.exe
                          "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppX53ypgrj20bgndg05hj3tc7z654myszwp.mca
                          1⤵
                            PID:1180
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:4728
                            • C:\Windows\System32\RuntimeBroker.exe
                              C:\Windows\System32\RuntimeBroker.exe -Embedding
                              1⤵
                                PID:3952
                              • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                                "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                                1⤵
                                  PID:3840
                                • C:\Windows\Explorer.EXE
                                  C:\Windows\Explorer.EXE
                                  1⤵
                                    PID:3196
                                    • C:\Windows\system32\rundll32.exe
                                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\NEAS.81d6888de9ff514b570558b6ca717ce0.dll,#1
                                      2⤵
                                      • Suspicious use of WriteProcessMemory
                                      PID:4972
                                      • C:\Windows\SysWOW64\rundll32.exe
                                        rundll32.exe C:\Users\Admin\AppData\Local\Temp\NEAS.81d6888de9ff514b570558b6ca717ce0.dll,#1
                                        3⤵
                                        • Suspicious use of WriteProcessMemory
                                        PID:4692
                                        • C:\Users\Admin\AppData\Local\Temp\e5774d2.exe
                                          C:\Users\Admin\AppData\Local\Temp\e5774d2.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
                                          • Suspicious behavior: EnumeratesProcesses
                                          • Suspicious use of AdjustPrivilegeToken
                                          • Suspicious use of WriteProcessMemory
                                          • System policy modification
                                          PID:4556
                                        • C:\Users\Admin\AppData\Local\Temp\e5779f3.exe
                                          C:\Users\Admin\AppData\Local\Temp\e5779f3.exe
                                          4⤵
                                          • Executes dropped EXE
                                          PID:1516
                                        • C:\Users\Admin\AppData\Local\Temp\e578ed2.exe
                                          C:\Users\Admin\AppData\Local\Temp\e578ed2.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
                                          • Suspicious behavior: EnumeratesProcesses
                                          • Suspicious use of WriteProcessMemory
                                          • System policy modification
                                          PID:3256
                                  • C:\Windows\system32\taskhostw.exe
                                    taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
                                    1⤵
                                      PID:2960
                                    • C:\Windows\system32\svchost.exe
                                      C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                                      1⤵
                                        PID:2844
                                      • C:\Windows\System32\RuntimeBroker.exe
                                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                                        1⤵
                                          PID:4944
                                        • C:\Windows\System32\wuapihost.exe
                                          C:\Windows\System32\wuapihost.exe -Embedding
                                          1⤵
                                            PID:4848

                                          Network

                                                MITRE ATT&CK Enterprise v15

                                                Replay Monitor

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                                                Downloads

                                                • C:\Users\Admin\AppData\Local\Temp\e5774d2.exe

                                                  Filesize

                                                  97KB

                                                  MD5

                                                  a11468269f88b735ef97bcdb3675dca7

                                                  SHA1

                                                  a591631ae309f6438200dba712ce414d9ca89560

                                                  SHA256

                                                  9df1c40cf345746ae92a4eeea7b761d0fa88977d1a7918cb963cf4d9bdaa70d6

                                                  SHA512

                                                  ffba24e02233a86c66dcfd05f204727fb4109f9257ebb401a052605e0896bbdec27952f1edc9610dfc0e238c6cc54c2327a8dac9c628e95dc7ba8661a2b089f6

                                                • C:\Users\Admin\AppData\Local\Temp\e5774d2.exe

                                                  Filesize

                                                  97KB

                                                  MD5

                                                  a11468269f88b735ef97bcdb3675dca7

                                                  SHA1

                                                  a591631ae309f6438200dba712ce414d9ca89560

                                                  SHA256

                                                  9df1c40cf345746ae92a4eeea7b761d0fa88977d1a7918cb963cf4d9bdaa70d6

                                                  SHA512

                                                  ffba24e02233a86c66dcfd05f204727fb4109f9257ebb401a052605e0896bbdec27952f1edc9610dfc0e238c6cc54c2327a8dac9c628e95dc7ba8661a2b089f6

                                                • C:\Users\Admin\AppData\Local\Temp\e5779f3.exe

                                                  Filesize

                                                  97KB

                                                  MD5

                                                  a11468269f88b735ef97bcdb3675dca7

                                                  SHA1

                                                  a591631ae309f6438200dba712ce414d9ca89560

                                                  SHA256

                                                  9df1c40cf345746ae92a4eeea7b761d0fa88977d1a7918cb963cf4d9bdaa70d6

                                                  SHA512

                                                  ffba24e02233a86c66dcfd05f204727fb4109f9257ebb401a052605e0896bbdec27952f1edc9610dfc0e238c6cc54c2327a8dac9c628e95dc7ba8661a2b089f6

                                                • C:\Users\Admin\AppData\Local\Temp\e5779f3.exe

                                                  Filesize

                                                  97KB

                                                  MD5

                                                  a11468269f88b735ef97bcdb3675dca7

                                                  SHA1

                                                  a591631ae309f6438200dba712ce414d9ca89560

                                                  SHA256

                                                  9df1c40cf345746ae92a4eeea7b761d0fa88977d1a7918cb963cf4d9bdaa70d6

                                                  SHA512

                                                  ffba24e02233a86c66dcfd05f204727fb4109f9257ebb401a052605e0896bbdec27952f1edc9610dfc0e238c6cc54c2327a8dac9c628e95dc7ba8661a2b089f6

                                                • C:\Users\Admin\AppData\Local\Temp\e578ed2.exe

                                                  Filesize

                                                  97KB

                                                  MD5

                                                  a11468269f88b735ef97bcdb3675dca7

                                                  SHA1

                                                  a591631ae309f6438200dba712ce414d9ca89560

                                                  SHA256

                                                  9df1c40cf345746ae92a4eeea7b761d0fa88977d1a7918cb963cf4d9bdaa70d6

                                                  SHA512

                                                  ffba24e02233a86c66dcfd05f204727fb4109f9257ebb401a052605e0896bbdec27952f1edc9610dfc0e238c6cc54c2327a8dac9c628e95dc7ba8661a2b089f6

                                                • C:\Users\Admin\AppData\Local\Temp\e578ed2.exe

                                                  Filesize

                                                  97KB

                                                  MD5

                                                  a11468269f88b735ef97bcdb3675dca7

                                                  SHA1

                                                  a591631ae309f6438200dba712ce414d9ca89560

                                                  SHA256

                                                  9df1c40cf345746ae92a4eeea7b761d0fa88977d1a7918cb963cf4d9bdaa70d6

                                                  SHA512

                                                  ffba24e02233a86c66dcfd05f204727fb4109f9257ebb401a052605e0896bbdec27952f1edc9610dfc0e238c6cc54c2327a8dac9c628e95dc7ba8661a2b089f6

                                                • C:\Users\Admin\AppData\Local\Temp\e578ed2.exe

                                                  Filesize

                                                  97KB

                                                  MD5

                                                  a11468269f88b735ef97bcdb3675dca7

                                                  SHA1

                                                  a591631ae309f6438200dba712ce414d9ca89560

                                                  SHA256

                                                  9df1c40cf345746ae92a4eeea7b761d0fa88977d1a7918cb963cf4d9bdaa70d6

                                                  SHA512

                                                  ffba24e02233a86c66dcfd05f204727fb4109f9257ebb401a052605e0896bbdec27952f1edc9610dfc0e238c6cc54c2327a8dac9c628e95dc7ba8661a2b089f6

                                                • C:\Windows\SYSTEM.INI

                                                  Filesize

                                                  257B

                                                  MD5

                                                  57c0e8025d022aea04cc616e092b8db5

                                                  SHA1

                                                  75f676f73c0618381faf3aa96e5c542147e107d0

                                                  SHA256

                                                  248c6942f175c0fb35d73081049b0448c9266893ebd4268c4993cb8a74ba07a2

                                                  SHA512

                                                  44ef6bf8cbd4bc38b4de364afd2efd6ebd34de675d9ed8e39b18ee1fa99f1e008892996530c3661fdcc5b18671915151247f11591bff46801d7309f95a0b18fe

                                                • memory/1516-52-0x0000000000460000-0x0000000000461000-memory.dmp

                                                  Filesize

                                                  4KB

                                                • memory/1516-71-0x00000000001F0000-0x00000000001F2000-memory.dmp

                                                  Filesize

                                                  8KB

                                                • memory/1516-95-0x0000000000400000-0x0000000000412000-memory.dmp

                                                  Filesize

                                                  72KB

                                                • memory/1516-24-0x0000000000400000-0x0000000000412000-memory.dmp

                                                  Filesize

                                                  72KB

                                                • memory/1516-58-0x00000000001F0000-0x00000000001F2000-memory.dmp

                                                  Filesize

                                                  8KB

                                                • memory/1516-53-0x00000000001F0000-0x00000000001F2000-memory.dmp

                                                  Filesize

                                                  8KB

                                                • memory/3256-96-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                                  Filesize

                                                  8KB

                                                • memory/3256-98-0x0000000000B60000-0x0000000001C1A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/3256-59-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                                  Filesize

                                                  8KB

                                                • memory/3256-57-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                                  Filesize

                                                  4KB

                                                • memory/3256-134-0x0000000000400000-0x0000000000412000-memory.dmp

                                                  Filesize

                                                  72KB

                                                • memory/3256-46-0x0000000000400000-0x0000000000412000-memory.dmp

                                                  Filesize

                                                  72KB

                                                • memory/3256-135-0x0000000000B60000-0x0000000001C1A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/4556-38-0x0000000000780000-0x000000000183A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/4556-56-0x0000000000780000-0x000000000183A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/4556-35-0x0000000000780000-0x000000000183A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/4556-34-0x0000000000780000-0x000000000183A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/4556-32-0x0000000000780000-0x000000000183A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/4556-4-0x0000000000400000-0x0000000000412000-memory.dmp

                                                  Filesize

                                                  72KB

                                                • memory/4556-7-0x0000000000780000-0x000000000183A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/4556-31-0x0000000000780000-0x000000000183A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/4556-47-0x0000000000780000-0x000000000183A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/4556-48-0x0000000000780000-0x000000000183A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/4556-50-0x0000000000780000-0x000000000183A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/4556-23-0x0000000000780000-0x000000000183A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/4556-55-0x0000000000550000-0x0000000000552000-memory.dmp

                                                  Filesize

                                                  8KB

                                                • memory/4556-19-0x0000000001980000-0x0000000001981000-memory.dmp

                                                  Filesize

                                                  4KB

                                                • memory/4556-22-0x0000000000550000-0x0000000000552000-memory.dmp

                                                  Filesize

                                                  8KB

                                                • memory/4556-37-0x0000000000780000-0x000000000183A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/4556-30-0x0000000000550000-0x0000000000552000-memory.dmp

                                                  Filesize

                                                  8KB

                                                • memory/4556-11-0x0000000000780000-0x000000000183A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/4556-60-0x0000000000780000-0x000000000183A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/4556-62-0x0000000000780000-0x000000000183A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/4556-63-0x0000000000780000-0x000000000183A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/4556-65-0x0000000000780000-0x000000000183A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/4556-68-0x0000000000780000-0x000000000183A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/4556-70-0x0000000000780000-0x000000000183A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/4556-9-0x0000000000780000-0x000000000183A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/4556-94-0x0000000000400000-0x0000000000412000-memory.dmp

                                                  Filesize

                                                  72KB

                                                • memory/4556-10-0x0000000000780000-0x000000000183A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/4692-14-0x00000000015A0000-0x00000000015A1000-memory.dmp

                                                  Filesize

                                                  4KB

                                                • memory/4692-12-0x00000000012A0000-0x00000000012A2000-memory.dmp

                                                  Filesize

                                                  8KB

                                                • memory/4692-15-0x00000000012A0000-0x00000000012A2000-memory.dmp

                                                  Filesize

                                                  8KB

                                                • memory/4692-1-0x0000000010000000-0x0000000010020000-memory.dmp

                                                  Filesize

                                                  128KB

                                                • memory/4692-44-0x00000000012A0000-0x00000000012A2000-memory.dmp

                                                  Filesize

                                                  8KB