Analysis

  • max time kernel
    94s
  • max time network
    140s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-12-2024 01:16

General

  • Target

    6fd8aa7240b5ac7871598b4b3619a8f73262d94513603b38dd9523294637b7b7.dll

  • Size

    120KB

  • MD5

    69ea2880a13566a276199db0d11f0838

  • SHA1

    c57e8abb5eb304d90cde39d2ff1739819788be16

  • SHA256

    6fd8aa7240b5ac7871598b4b3619a8f73262d94513603b38dd9523294637b7b7

  • SHA512

    f2bf545266db4bfaad72725bf305cc411c1e9a1e11774f8766611cffba91b4d61c037a6401745665e0e26c566a39e1678a70fa185a3f951bb54dcf5ba68aca45

  • SSDEEP

    1536:LYqHOpkotPL0TAEkuopNquAYRmoetCaAYTmWfn7Kfw4ND6YyzNCNi7O2jX06SQ:LJupkoFRzuwouAdoe37+wMDhw0g

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 15 IoCs

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

  • UPX packed file 35 IoCs

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

  • Drops file in Program Files directory 4 IoCs
  • 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 49 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:776
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:784
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:64
        • C:\Windows\system32\svchost.exe
          C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
          1⤵
            PID:2820
          • C:\Windows\system32\sihost.exe
            sihost.exe
            1⤵
              PID:2852
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2964
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3416
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\6fd8aa7240b5ac7871598b4b3619a8f73262d94513603b38dd9523294637b7b7.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:5048
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\6fd8aa7240b5ac7871598b4b3619a8f73262d94513603b38dd9523294637b7b7.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:4800
                      • C:\Users\Admin\AppData\Local\Temp\e57a24b.exe
                        C:\Users\Admin\AppData\Local\Temp\e57a24b.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
                        • System Location Discovery: System Language Discovery
                        • Suspicious behavior: EnumeratesProcesses
                        • Suspicious use of AdjustPrivilegeToken
                        • Suspicious use of WriteProcessMemory
                        • System policy modification
                        PID:2004
                      • C:\Users\Admin\AppData\Local\Temp\e57a383.exe
                        C:\Users\Admin\AppData\Local\Temp\e57a383.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:4532
                      • C:\Users\Admin\AppData\Local\Temp\e57bdb2.exe
                        C:\Users\Admin\AppData\Local\Temp\e57bdb2.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:1396
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3552
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3736
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3824
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3888
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:3968
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:3352
                            • 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:2108
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:4836

                                Network

                                MITRE ATT&CK Enterprise v15

                                Replay Monitor

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                                Downloads

                                • C:\Users\Admin\AppData\Local\Temp\e57a24b.exe

                                  Filesize

                                  97KB

                                  MD5

                                  2653a5b0d07e7adea92f7cfec33388a3

                                  SHA1

                                  1bfabb17b5c54af21028563b3949975244fef658

                                  SHA256

                                  d4ab670b80ccc857fc68815dd6ea4edaaebf5baaa675e916d6c00c4a373408a4

                                  SHA512

                                  260a02be30c2a565e8752f2aa535d98e7243bdefb9f5f3ed8c04fae544830a226c9eb201b1dfc988ee022ba3d693f18059bb56dd425c72908351c4c04a93f202

                                • C:\Windows\SYSTEM.INI

                                  Filesize

                                  257B

                                  MD5

                                  27afc9960264c3eb697f4a1e63fbaf3e

                                  SHA1

                                  1c6aca96fda338dbbd4b5f19aa8f1d2209e995d9

                                  SHA256

                                  e2ac9d41410440bca5ee92ebdfbd3f261fbecc76b04636cbd9a68482285ab2cc

                                  SHA512

                                  dbb3bb8965d0f7cf2cb5592b638a7f24c4d09cbc9973e63d854ec61edc30875ef6d6e633a16fc00e933f57888e8e539ec44297c4004f9c341f5a46f7643750e9

                                • memory/1396-52-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/1396-138-0x0000000000B30000-0x0000000001BEA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1396-137-0x0000000000B30000-0x0000000001BEA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1396-136-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/1396-87-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/1396-64-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/1396-65-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/1396-66-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/2004-57-0x0000000000820000-0x00000000018DA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2004-85-0x0000000000820000-0x00000000018DA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2004-5-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/2004-6-0x0000000000820000-0x00000000018DA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2004-30-0x0000000000820000-0x00000000018DA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2004-17-0x0000000001A80000-0x0000000001A81000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/2004-36-0x0000000000820000-0x00000000018DA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2004-34-0x0000000000820000-0x00000000018DA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2004-22-0x0000000000820000-0x00000000018DA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2004-37-0x0000000000820000-0x00000000018DA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2004-38-0x0000000000820000-0x00000000018DA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2004-39-0x0000000000820000-0x00000000018DA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2004-41-0x0000000000820000-0x00000000018DA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2004-40-0x0000000000820000-0x00000000018DA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2004-43-0x0000000000820000-0x00000000018DA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2004-44-0x0000000000820000-0x00000000018DA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2004-8-0x0000000000820000-0x00000000018DA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2004-53-0x0000000000820000-0x00000000018DA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2004-55-0x0000000001A70000-0x0000000001A72000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/2004-56-0x0000000000820000-0x00000000018DA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2004-11-0x0000000000820000-0x00000000018DA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2004-13-0x0000000000820000-0x00000000018DA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2004-29-0x0000000001A70000-0x0000000001A72000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/2004-28-0x0000000001A70000-0x0000000001A72000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/2004-9-0x0000000000820000-0x00000000018DA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2004-108-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/2004-92-0x0000000000820000-0x00000000018DA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2004-67-0x0000000000820000-0x00000000018DA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2004-69-0x0000000000820000-0x00000000018DA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2004-73-0x0000000000820000-0x00000000018DA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2004-74-0x0000000000820000-0x00000000018DA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2004-75-0x0000000000820000-0x00000000018DA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2004-76-0x0000000000820000-0x00000000018DA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2004-77-0x0000000000820000-0x00000000018DA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2004-79-0x0000000000820000-0x00000000018DA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2004-98-0x0000000001A70000-0x0000000001A72000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/2004-83-0x0000000000820000-0x00000000018DA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2004-33-0x0000000000820000-0x00000000018DA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2004-10-0x0000000000820000-0x00000000018DA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2004-88-0x0000000000820000-0x00000000018DA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4532-82-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4532-60-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4532-61-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/4532-112-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/4532-62-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4532-35-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/4800-27-0x0000000003B60000-0x0000000003B61000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/4800-1-0x0000000010000000-0x0000000010020000-memory.dmp

                                  Filesize

                                  128KB

                                • memory/4800-26-0x0000000003AD0000-0x0000000003AD2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4800-25-0x0000000003AD0000-0x0000000003AD2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4800-14-0x0000000003AD0000-0x0000000003AD2000-memory.dmp

                                  Filesize

                                  8KB