Analysis

  • max time kernel
    30s
  • max time network
    118s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-07-2024 10:04

General

  • Target

    98945dcbfb967d06c0cb3d47cd25dac0N.dll

  • Size

    120KB

  • MD5

    98945dcbfb967d06c0cb3d47cd25dac0

  • SHA1

    ba6a2e6c89b2788a80ffae2683ac08143b1b447a

  • SHA256

    04fe527b33e238b7a4e7887cc70586ee799614a2d236290452c03af03147467d

  • SHA512

    cebefe198556a1a913d6f89bb1e5a749613eddc7330311308899d0a9dc3eac28660fc373581e9970e174531b7e9fadc519aeb7bfd656872a42277846dca83d3d

  • SSDEEP

    3072:ifnjDu+nx6cLkh0xOXCpH7lVQ/qvObL35qC0inYfjV7:SuqLkhEOXgH7l6/BbL3oinEj

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.

  • UAC bypass 3 TTPs 2 IoCs
  • Windows security bypass 2 TTPs 12 IoCs
  • Executes dropped EXE 4 IoCs
  • UPX packed file 30 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 16 IoCs

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

  • Drops file in Program Files directory 3 IoCs
  • 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\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:768
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:776
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:316
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2972
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:3016
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:3104
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3620
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\98945dcbfb967d06c0cb3d47cd25dac0N.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:2300
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\98945dcbfb967d06c0cb3d47cd25dac0N.dll,#1
                      3⤵
                      • Suspicious use of WriteProcessMemory
                      PID:5024
                      • C:\Users\Admin\AppData\Local\Temp\e57ad86.exe
                        C:\Users\Admin\AppData\Local\Temp\e57ad86.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 Program Files directory
                        • Drops file in Windows directory
                        • Suspicious behavior: EnumeratesProcesses
                        • Suspicious use of AdjustPrivilegeToken
                        • Suspicious use of WriteProcessMemory
                        • System policy modification
                        PID:5056
                      • C:\Users\Admin\AppData\Local\Temp\e57aefd.exe
                        C:\Users\Admin\AppData\Local\Temp\e57aefd.exe
                        4⤵
                        • Executes dropped EXE
                        PID:4472
                      • C:\Users\Admin\AppData\Local\Temp\e57d59f.exe
                        C:\Users\Admin\AppData\Local\Temp\e57d59f.exe
                        4⤵
                        • Executes dropped EXE
                        PID:4340
                      • C:\Users\Admin\AppData\Local\Temp\e57d5ce.exe
                        C:\Users\Admin\AppData\Local\Temp\e57d5ce.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 WriteProcessMemory
                        • System policy modification
                        PID:5020
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3760
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3948
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:4040
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:2696
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:2692
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:4232
                            • 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:4264
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:2176
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
                                  1⤵
                                    PID:2408
                                  • C:\Windows\system32\backgroundTaskHost.exe
                                    "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                    1⤵
                                      PID:3012
                                    • C:\Windows\System32\RuntimeBroker.exe
                                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                                      1⤵
                                        PID:3240
                                      • C:\Windows\System32\RuntimeBroker.exe
                                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                                        1⤵
                                          PID:4512

                                        Network

                                        MITRE ATT&CK Enterprise v15

                                        Replay Monitor

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                                        Downloads

                                        • C:\Users\Admin\AppData\Local\Temp\e57ad86.exe

                                          Filesize

                                          97KB

                                          MD5

                                          f9bed6724377ffa31e5de2303329d4f0

                                          SHA1

                                          bf57eca8e0d5632c0e4267666480c06db2bff8df

                                          SHA256

                                          b92641cef92248150299f1ee23dcdd5ca4a02728dde526a2736d07abb9c5eefd

                                          SHA512

                                          72115cc7f7b375bf8620fc042c894b4b745dbcdc6887e86018509049dc243275aeb5fc59dfbbccfe8b4567a40367af7a565da5e1bab85a14714698b4837dba9c

                                        • C:\Windows\SYSTEM.INI

                                          Filesize

                                          257B

                                          MD5

                                          d892a4eedcc4c0111bc6ba49f1806134

                                          SHA1

                                          29364117be1555b6f83a287cc3cc10389b335ae9

                                          SHA256

                                          c2a9185eba872ecd3c6942397d33fbab5c1343392623eece5a8632afe550a235

                                          SHA512

                                          98fdfb5c14590c07b64183fce2f6deb3ed9427ffe8bd8a7b8455fb5d5676eb1541c4b823deae7917dcec3dea3890b37c8d428ce62654e25e6c88300d50caf572

                                        • memory/4340-48-0x0000000000400000-0x0000000000412000-memory.dmp

                                          Filesize

                                          72KB

                                        • memory/4340-62-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/4340-141-0x0000000000400000-0x0000000000412000-memory.dmp

                                          Filesize

                                          72KB

                                        • memory/4340-58-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/4340-65-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/4472-64-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/4472-61-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/4472-56-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/4472-107-0x0000000000400000-0x0000000000412000-memory.dmp

                                          Filesize

                                          72KB

                                        • memory/5020-119-0x0000000000B30000-0x0000000001BEA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/5020-66-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/5020-60-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/5020-54-0x0000000000400000-0x0000000000412000-memory.dmp

                                          Filesize

                                          72KB

                                        • memory/5020-161-0x0000000000B30000-0x0000000001BEA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/5020-63-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/5020-162-0x0000000000400000-0x0000000000412000-memory.dmp

                                          Filesize

                                          72KB

                                        • memory/5024-20-0x00000000012F0000-0x00000000012F2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/5024-1-0x0000000010000000-0x0000000010020000-memory.dmp

                                          Filesize

                                          128KB

                                        • memory/5024-18-0x00000000012F0000-0x00000000012F2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/5024-12-0x0000000001390000-0x0000000001391000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/5024-11-0x00000000012F0000-0x00000000012F2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/5056-19-0x0000000001C00000-0x0000000001C02000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/5056-70-0x0000000000870000-0x000000000192A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/5056-40-0x0000000000870000-0x000000000192A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/5056-41-0x0000000000870000-0x000000000192A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/5056-38-0x0000000000870000-0x000000000192A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/5056-36-0x0000000000870000-0x000000000192A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/5056-35-0x0000000000870000-0x000000000192A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/5056-34-0x0000000000870000-0x000000000192A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/5056-33-0x0000000000870000-0x000000000192A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/5056-9-0x0000000000870000-0x000000000192A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/5056-10-0x0000000000870000-0x000000000192A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/5056-15-0x0000000000870000-0x000000000192A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/5056-32-0x0000000000870000-0x000000000192A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/5056-30-0x0000000000870000-0x000000000192A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/5056-24-0x0000000000870000-0x000000000192A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/5056-67-0x0000000000870000-0x000000000192A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/5056-69-0x0000000000870000-0x000000000192A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/5056-37-0x0000000000870000-0x000000000192A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/5056-72-0x0000000000870000-0x000000000192A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/5056-73-0x0000000000870000-0x000000000192A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/5056-76-0x0000000000870000-0x000000000192A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/5056-78-0x0000000000870000-0x000000000192A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/5056-80-0x0000000000870000-0x000000000192A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/5056-81-0x0000000000870000-0x000000000192A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/5056-82-0x0000000000870000-0x000000000192A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/5056-95-0x0000000001C00000-0x0000000001C02000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/5056-91-0x0000000000870000-0x000000000192A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/5056-103-0x0000000000400000-0x0000000000412000-memory.dmp

                                          Filesize

                                          72KB

                                        • memory/5056-22-0x0000000000870000-0x000000000192A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/5056-21-0x0000000001C00000-0x0000000001C02000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/5056-14-0x0000000001C10000-0x0000000001C11000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/5056-8-0x0000000000870000-0x000000000192A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/5056-6-0x0000000000870000-0x000000000192A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/5056-4-0x0000000000400000-0x0000000000412000-memory.dmp

                                          Filesize

                                          72KB