Analysis

  • max time kernel
    93s
  • max time network
    94s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-12-2024 01:02

General

  • Target

    841bccfeb5c34820201b44adbdf397f8c8909ec3d214a1715e670609f7f7bdeaN.dll

  • Size

    120KB

  • MD5

    581f6960d1a4f406d8dd242deb9d4990

  • SHA1

    896d8500383f96bdbb0bae0a018db56c2908b1fe

  • SHA256

    841bccfeb5c34820201b44adbdf397f8c8909ec3d214a1715e670609f7f7bdea

  • SHA512

    1d213f27d133d153ebd9642a8165912648a2c1ca25c3f2924e804908c0d6892cca86173986defb7e50e5a7b48f6d713b93fe50408162165c729a1240d9d78b78

  • SSDEEP

    1536:2HNmz46IQB9nPQA6qCvFXVTLh+acQNyZYBS00hFpl5EsnSRItDioQ0jYSbRACp:Q04JQBq1VnhIQBB0d59SRaioDjYSbqC

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 9 IoCs

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

  • UPX packed file 26 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 51 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:756
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:760
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:336
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2956
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2964
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:3060
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3436
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\841bccfeb5c34820201b44adbdf397f8c8909ec3d214a1715e670609f7f7bdeaN.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:3272
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\841bccfeb5c34820201b44adbdf397f8c8909ec3d214a1715e670609f7f7bdeaN.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:820
                      • C:\Users\Admin\AppData\Local\Temp\e5798f4.exe
                        C:\Users\Admin\AppData\Local\Temp\e5798f4.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:636
                      • C:\Users\Admin\AppData\Local\Temp\e579a0d.exe
                        C:\Users\Admin\AppData\Local\Temp\e579a0d.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:3632
                      • C:\Users\Admin\AppData\Local\Temp\e57bb70.exe
                        C:\Users\Admin\AppData\Local\Temp\e57bb70.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
                        • System policy modification
                        PID:5112
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3564
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3756
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3844
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3940
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:4012
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:3152
                            • 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:816
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:4176
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                  1⤵
                                    PID:4260

                                  Network

                                  MITRE ATT&CK Enterprise v15

                                  Replay Monitor

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                                  Downloads

                                  • C:\Users\Admin\AppData\Local\Temp\e5798f4.exe

                                    Filesize

                                    97KB

                                    MD5

                                    5e69ec71ef0e6197016c73c6ec9f3594

                                    SHA1

                                    5ed251d21228ac768911387915c55ebd0c8633b3

                                    SHA256

                                    976ce05521da2b4bdfd59f001f7e7b65cb0521a3522067b12f93bc9eb43bb30f

                                    SHA512

                                    5d033079d12dd302bb6987ecf7665bc67b30431e8545f9d2b6ee1edd104917560b965e8c633327b701baf3f5fe2aa2edff130de3dd81a4bfcaaa064f3fe593fd

                                  • C:\Windows\SYSTEM.INI

                                    Filesize

                                    257B

                                    MD5

                                    643fc947a81ecd8e737ac69e6a4bab13

                                    SHA1

                                    ebfac90ab9775425e60a7cc0739918f7b7ab5a54

                                    SHA256

                                    e4c1be2c962eb0067ad2a75662ed93912b24b68e1d769c75b689d8df8a0e6e88

                                    SHA512

                                    a873270afa954415440819dad0f64e6eb159c1fa1846b41b503f755a9d7517db70600dfdff5c16d8fc4c46c572b172ddf7582455a849d20da713cf77ee19a246

                                  • memory/636-66-0x0000000000830000-0x00000000018EA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/636-12-0x0000000000830000-0x00000000018EA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/636-4-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/636-11-0x0000000000830000-0x00000000018EA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/636-98-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/636-29-0x0000000000830000-0x00000000018EA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/636-25-0x0000000000830000-0x00000000018EA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/636-81-0x0000000000830000-0x00000000018EA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/636-74-0x0000000000830000-0x00000000018EA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/636-27-0x0000000001AF0000-0x0000000001AF2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/636-26-0x0000000001AF0000-0x0000000001AF2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/636-30-0x0000000000830000-0x00000000018EA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/636-8-0x0000000000830000-0x00000000018EA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/636-6-0x0000000000830000-0x00000000018EA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/636-70-0x0000000000830000-0x00000000018EA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/636-68-0x0000000000830000-0x00000000018EA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/636-64-0x0000000000830000-0x00000000018EA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/636-63-0x0000000000830000-0x00000000018EA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/636-33-0x0000000000830000-0x00000000018EA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/636-35-0x0000000000830000-0x00000000018EA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/636-36-0x0000000000830000-0x00000000018EA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/636-37-0x0000000000830000-0x00000000018EA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/636-39-0x0000000000830000-0x00000000018EA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/636-38-0x0000000000830000-0x00000000018EA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/636-10-0x0000000000830000-0x00000000018EA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/636-9-0x0000000000830000-0x00000000018EA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/636-16-0x0000000001B00000-0x0000000001B01000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/636-62-0x0000000000830000-0x00000000018EA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/636-60-0x0000000000830000-0x00000000018EA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/636-59-0x0000000001AF0000-0x0000000001AF2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/636-57-0x0000000000830000-0x00000000018EA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/820-17-0x0000000004920000-0x0000000004922000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/820-13-0x0000000004920000-0x0000000004922000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/820-14-0x00000000049B0000-0x00000000049B1000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/820-28-0x0000000004920000-0x0000000004922000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/820-0-0x0000000010000000-0x0000000010020000-memory.dmp

                                    Filesize

                                    128KB

                                  • memory/3632-99-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/3632-53-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/3632-50-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/3632-104-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/3632-55-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/3632-34-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/5112-129-0x0000000000B40000-0x0000000001BFA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/5112-100-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/5112-52-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/5112-130-0x0000000000B40000-0x0000000001BFA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/5112-47-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/5112-56-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/5112-128-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/5112-54-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB