Analysis

  • max time kernel
    149s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-06-2024 20:56

General

  • Target

    4ae1afe042640512b3d9ecaf2258f9b8cb8f78c67b45768f2b815a2fe5817537.dll

  • Size

    120KB

  • MD5

    50aa194695c17f6d00d5155995d3a8bc

  • SHA1

    139cbc666fbbe59d1b6812e96027443ed70fd342

  • SHA256

    4ae1afe042640512b3d9ecaf2258f9b8cb8f78c67b45768f2b815a2fe5817537

  • SHA512

    f396fcb50208bbc35eef5e3e7508a8a04adc3d7729c95b1aa49591ffa2e604d36bddef6c03103ae475ccded98c90cc0909c745db44f0b23ee6a54ac925ade5d3

  • SSDEEP

    1536:INzrLIWCCf7i8RmOZvwD2fLuLHdcovjnCoPkQ1cgd/y3HZfOtlo:INPLtPfG++MoPkOpy3stl

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
  • Detects executables packed with Sality Polymorphic Code Generator or Simple Poly Engine or Sality 32 IoCs
  • UPX dump on OEP (original entry point) 37 IoCs
  • Executes dropped EXE 3 IoCs
  • UPX packed file 32 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 15 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:804
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:800
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:376
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2148
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:796
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:3096
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3420
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\4ae1afe042640512b3d9ecaf2258f9b8cb8f78c67b45768f2b815a2fe5817537.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:3232
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\4ae1afe042640512b3d9ecaf2258f9b8cb8f78c67b45768f2b815a2fe5817537.dll,#1
                      3⤵
                      • Suspicious use of WriteProcessMemory
                      PID:4064
                      • C:\Users\Admin\AppData\Local\Temp\e573577.exe
                        C:\Users\Admin\AppData\Local\Temp\e573577.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:4400
                      • C:\Users\Admin\AppData\Local\Temp\e57371d.exe
                        C:\Users\Admin\AppData\Local\Temp\e57371d.exe
                        4⤵
                        • Executes dropped EXE
                        PID:1608
                      • C:\Users\Admin\AppData\Local\Temp\e575563.exe
                        C:\Users\Admin\AppData\Local\Temp\e575563.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:3432
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3528
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3752
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3840
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3932
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:4016
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:3728
                            • 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:3116
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:1148
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
                                  1⤵
                                    PID:2808
                                  • C:\Windows\system32\backgroundTaskHost.exe
                                    "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                    1⤵
                                      PID:4364
                                    • C:\Windows\System32\RuntimeBroker.exe
                                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                                      1⤵
                                        PID:1140
                                      • C:\Windows\System32\RuntimeBroker.exe
                                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                                        1⤵
                                          PID:4004

                                        Network

                                        MITRE ATT&CK Enterprise v15

                                        Replay Monitor

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                                        Downloads

                                        • C:\Users\Admin\AppData\Local\Temp\e573577.exe

                                          Filesize

                                          97KB

                                          MD5

                                          14811f295cd52993acfbd165c6f1d222

                                          SHA1

                                          26561270f8eac45240ee1822b8b129e0b71a4587

                                          SHA256

                                          8d6075523096d02154bb5033a7bc86dbc8733c9e89ea0208d9413e858a464300

                                          SHA512

                                          26dc4873b9f60781584e1912f93eb7158884e1fc3c06273191917ae97a78799ad8ce14621b1b993194abc49a032469434b0f757e02e692e87a6815ab1bb5b15a

                                        • C:\Windows\SYSTEM.INI

                                          Filesize

                                          257B

                                          MD5

                                          f08583504964897849864047c0dd9d41

                                          SHA1

                                          6df57b374d8249a8e7ae9690a715d9c833e747fb

                                          SHA256

                                          f681a07d08ffd8f037215590a2f492dd2189a0779a42ce403ce0ec7b235558e0

                                          SHA512

                                          6339e7cb114278a08657debbd7c4829a0759ab237392108b6e920f371071189f38d485fcb95b74b8db8679c4a4bb13d1a7e7c7fa0218df42fd676eac468d174a

                                        • memory/1608-60-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/1608-56-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/1608-55-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/1608-34-0x0000000000400000-0x0000000000412000-memory.dmp

                                          Filesize

                                          72KB

                                        • memory/1608-102-0x0000000000400000-0x0000000000412000-memory.dmp

                                          Filesize

                                          72KB

                                        • memory/3432-61-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/3432-109-0x0000000000B30000-0x0000000001BEA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/3432-50-0x0000000000400000-0x0000000000412000-memory.dmp

                                          Filesize

                                          72KB

                                        • memory/3432-58-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/3432-59-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/3432-149-0x0000000000400000-0x0000000000412000-memory.dmp

                                          Filesize

                                          72KB

                                        • memory/3432-148-0x0000000000B30000-0x0000000001BEA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4064-25-0x00000000006B0000-0x00000000006B2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/4064-1-0x0000000010000000-0x0000000010020000-memory.dmp

                                          Filesize

                                          128KB

                                        • memory/4064-22-0x0000000003640000-0x0000000003641000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/4064-21-0x00000000006B0000-0x00000000006B2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/4064-27-0x00000000006B0000-0x00000000006B2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/4064-46-0x00000000006B0000-0x00000000006B2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/4400-13-0x00000000007A0000-0x000000000185A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4400-29-0x0000000001AB0000-0x0000000001AB2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/4400-36-0x00000000007A0000-0x000000000185A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4400-37-0x00000000007A0000-0x000000000185A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4400-38-0x00000000007A0000-0x000000000185A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4400-39-0x00000000007A0000-0x000000000185A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4400-40-0x00000000007A0000-0x000000000185A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4400-44-0x00000000007A0000-0x000000000185A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4400-9-0x00000000007A0000-0x000000000185A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4400-10-0x00000000007A0000-0x000000000185A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4400-51-0x00000000007A0000-0x000000000185A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4400-52-0x00000000007A0000-0x000000000185A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4400-19-0x00000000007A0000-0x000000000185A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4400-24-0x00000000040F0000-0x00000000040F1000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/4400-20-0x00000000007A0000-0x000000000185A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4400-32-0x00000000007A0000-0x000000000185A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4400-33-0x0000000001AB0000-0x0000000001AB2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/4400-35-0x00000000007A0000-0x000000000185A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4400-62-0x00000000007A0000-0x000000000185A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4400-63-0x00000000007A0000-0x000000000185A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4400-65-0x00000000007A0000-0x000000000185A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4400-67-0x00000000007A0000-0x000000000185A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4400-69-0x00000000007A0000-0x000000000185A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4400-71-0x00000000007A0000-0x000000000185A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4400-73-0x00000000007A0000-0x000000000185A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4400-75-0x00000000007A0000-0x000000000185A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4400-77-0x00000000007A0000-0x000000000185A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4400-78-0x00000000007A0000-0x000000000185A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4400-87-0x0000000001AB0000-0x0000000001AB2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/4400-91-0x00000000007A0000-0x000000000185A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4400-98-0x0000000000400000-0x0000000000412000-memory.dmp

                                          Filesize

                                          72KB

                                        • memory/4400-12-0x00000000007A0000-0x000000000185A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4400-8-0x00000000007A0000-0x000000000185A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4400-11-0x00000000007A0000-0x000000000185A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4400-6-0x00000000007A0000-0x000000000185A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4400-4-0x0000000000400000-0x0000000000412000-memory.dmp

                                          Filesize

                                          72KB