Analysis

  • max time kernel
    31s
  • 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
    31-12-2024 15:31

General

  • Target

    a0c55db81960f28e32e2c54e5ee17b31b026c881c72ec807a19d71c24324a424.dll

  • Size

    120KB

  • MD5

    dfd80eedc66ccc45ced978219838bcc7

  • SHA1

    bf707907a3712d86cd210bcc3510398dff6c3f6f

  • SHA256

    a0c55db81960f28e32e2c54e5ee17b31b026c881c72ec807a19d71c24324a424

  • SHA512

    24140c13cf0b0bd870fe0d647bb0a1e5bc6da7da22298652508d20935f7c4a73867b2ed6ba66ab6967ea5c9db9e05c84b1336fb10f4bf3b3a5d3bf3617dbe3bf

  • SSDEEP

    3072:pxkvFBl8ETOGajfQYNAb0X4Ye9BwJcnOl2H:pulQI6eDCcn0i

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 4 IoCs
  • Windows security modification 2 TTPs 14 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 12 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 Windows directory 3 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 5 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:788
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:792
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:388
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:3008
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:3052
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:3100
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3436
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\a0c55db81960f28e32e2c54e5ee17b31b026c881c72ec807a19d71c24324a424.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:3064
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\a0c55db81960f28e32e2c54e5ee17b31b026c881c72ec807a19d71c24324a424.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:4420
                      • C:\Users\Admin\AppData\Local\Temp\e57ab24.exe
                        C:\Users\Admin\AppData\Local\Temp\e57ab24.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:744
                      • C:\Users\Admin\AppData\Local\Temp\e57ad18.exe
                        C:\Users\Admin\AppData\Local\Temp\e57ad18.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:1360
                      • C:\Users\Admin\AppData\Local\Temp\e57d810.exe
                        C:\Users\Admin\AppData\Local\Temp\e57d810.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:4260
                      • C:\Users\Admin\AppData\Local\Temp\e57d820.exe
                        C:\Users\Admin\AppData\Local\Temp\e57d820.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:3904
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3568
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    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:3832
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3896
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:3980
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:3372
                            • C:\Windows\System32\RuntimeBroker.exe
                              C:\Windows\System32\RuntimeBroker.exe -Embedding
                              1⤵
                                PID:5072
                              • 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:4792
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                  1⤵
                                    PID:928

                                  Network

                                  MITRE ATT&CK Enterprise v15

                                  Replay Monitor

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                                  Downloads

                                  • C:\Users\Admin\AppData\Local\Temp\e57ab24.exe

                                    Filesize

                                    97KB

                                    MD5

                                    33bd5c0c5ab4a008c866cbf0cfa0d86c

                                    SHA1

                                    8b38bb14dd12125f437b87275ff14924af6ab8ce

                                    SHA256

                                    c81fcf3c50622df9260e4c751d5fc03c8644179561091247c752bcdd4b90aff3

                                    SHA512

                                    e38d789e4dc88b88645ca278b85ed423f37857fe556268526dfa268fec4dcd299ad44175026d2d1693f633d1e6026dd936e6fae0cc4eb2bc73e01261d137053d

                                  • C:\Windows\SYSTEM.INI

                                    Filesize

                                    257B

                                    MD5

                                    e5c752441fe6ae7291eaa23456d4dfda

                                    SHA1

                                    85cd45815f266ba8d2331867a276c6531f1c46a1

                                    SHA256

                                    eb0767c06a305a0328596e2daefc18065d1e426afcb740e6fae5cafbf9924ac3

                                    SHA512

                                    d6856d89110a274cd0100600fab503778d7455e133bab36efce513561244705c7225271f10a9df9feb8cfb6d32ce38762bc90b284e72d650c545dcece7c1b115

                                  • memory/744-40-0x00000000008A0000-0x000000000195A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/744-68-0x00000000008A0000-0x000000000195A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/744-4-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/744-10-0x00000000008A0000-0x000000000195A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/744-98-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/744-11-0x00000000008A0000-0x000000000195A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/744-18-0x00000000008A0000-0x000000000195A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/744-75-0x00000000008A0000-0x000000000195A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/744-9-0x00000000008A0000-0x000000000195A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/744-17-0x00000000008A0000-0x000000000195A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/744-20-0x00000000008A0000-0x000000000195A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/744-74-0x00000000008A0000-0x000000000195A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/744-25-0x00000000008A0000-0x000000000195A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/744-70-0x00000000008A0000-0x000000000195A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/744-27-0x0000000000780000-0x0000000000782000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/744-6-0x00000000008A0000-0x000000000195A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/744-32-0x0000000000780000-0x0000000000782000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/744-24-0x0000000000790000-0x0000000000791000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/744-67-0x00000000008A0000-0x000000000195A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/744-30-0x00000000008A0000-0x000000000195A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/744-37-0x00000000008A0000-0x000000000195A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/744-36-0x00000000008A0000-0x000000000195A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/744-38-0x00000000008A0000-0x000000000195A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/744-39-0x00000000008A0000-0x000000000195A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/744-8-0x00000000008A0000-0x000000000195A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/744-19-0x00000000008A0000-0x000000000195A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/744-64-0x00000000008A0000-0x000000000195A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/744-63-0x00000000008A0000-0x000000000195A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/744-62-0x00000000008A0000-0x000000000195A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/744-57-0x00000000008A0000-0x000000000195A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/744-60-0x0000000000780000-0x0000000000782000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/1360-73-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/1360-44-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/1360-43-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/1360-97-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/1360-35-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/1360-45-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/3904-59-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/3904-158-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/4260-154-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/4260-159-0x00000000007E0000-0x000000000189A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4260-103-0x00000000007E0000-0x000000000189A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4260-119-0x00000000007E0000-0x000000000189A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4260-58-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/4420-22-0x0000000000C70000-0x0000000000C71000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/4420-21-0x0000000000BE0000-0x0000000000BE2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4420-26-0x0000000000BE0000-0x0000000000BE2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4420-0-0x0000000010000000-0x0000000010020000-memory.dmp

                                    Filesize

                                    128KB

                                  • memory/4420-53-0x0000000000BE0000-0x0000000000BE2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4420-31-0x0000000000BE0000-0x0000000000BE2000-memory.dmp

                                    Filesize

                                    8KB