Analysis

  • max time kernel
    36s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-12-2024 23:06

General

  • Target

    c6a0977e540f6bc6013ae9b2a3947d2ccf08fa7cb3a69bf3aa4612c5ef8981d6N.exe

  • Size

    740KB

  • MD5

    1d38fc0b521e26de8955ef4d956922c0

  • SHA1

    d994cc5dee47ae881e5486cb6ced6ab2845ea8bf

  • SHA256

    c6a0977e540f6bc6013ae9b2a3947d2ccf08fa7cb3a69bf3aa4612c5ef8981d6

  • SHA512

    c03acc550cd4ec944566dddb311f06666447f0d0ac75b3fb24f913e042515f4ba57b473dccfa5dd45de7d8f78f0d35ccfe9ba740d74acf0fb3d024171565bfb6

  • SSDEEP

    12288:qTyjXW+48qWywrU4kGFezOAVuJ5PIeww7F5DO3HYff4Kx8p:AIXW/8yw1ez54lIwF5SXYH41

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

http://www.klkjwre9fqwieluoi.info/

http://kukutrustnet777888.info/

Signatures

  • Modifies firewall policy service 3 TTPs 6 IoCs
  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 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
  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Windows security modification 2 TTPs 14 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

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

  • UPX packed file 37 IoCs

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

  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 48 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:780
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:788
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:380
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2852
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2872
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2976
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3432
                  • C:\Users\Admin\AppData\Local\Temp\c6a0977e540f6bc6013ae9b2a3947d2ccf08fa7cb3a69bf3aa4612c5ef8981d6N.exe
                    "C:\Users\Admin\AppData\Local\Temp\c6a0977e540f6bc6013ae9b2a3947d2ccf08fa7cb3a69bf3aa4612c5ef8981d6N.exe"
                    2⤵
                    • Modifies firewall policy service
                    • Modifies visibility of file extensions in Explorer
                    • Modifies visiblity of hidden/system files in Explorer
                    • UAC bypass
                    • Windows security bypass
                    • Windows security modification
                    • Adds Run key to start application
                    • Checks whether UAC is enabled
                    • Drops file in Windows directory
                    • System Location Discovery: System Language Discovery
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious use of AdjustPrivilegeToken
                    • Suspicious use of SetWindowsHookEx
                    • Suspicious use of WriteProcessMemory
                    • System policy modification
                    PID:3820
                    • C:\Users\Admin\AppData\Roaming\Microsoft\Office\rundll32.exe
                      C:\Users\Admin\AppData\Roaming\Microsoft\Office\rundll32.exe
                      3⤵
                      • Modifies firewall policy service
                      • Modifies visiblity of hidden/system files in Explorer
                      • UAC bypass
                      • Windows security bypass
                      • Deletes itself
                      • Executes dropped EXE
                      • Windows security modification
                      • Checks whether UAC is enabled
                      • Enumerates connected drives
                      • System Location Discovery: System Language Discovery
                      • Suspicious behavior: EnumeratesProcesses
                      • Suspicious use of SetWindowsHookEx
                      • Suspicious use of WriteProcessMemory
                      • System policy modification
                      PID:5008
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3576
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3768
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3856
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3920
                        • 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:4164
                            • 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:4376
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:2500

                                Network

                                MITRE ATT&CK Enterprise v15

                                Replay Monitor

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                                Downloads

                                • C:\Users\Admin\AppData\Local\Temp\0E57DBD9_Rar\rundll32.exe

                                  Filesize

                                  664KB

                                  MD5

                                  fe9261575638dec5742ddfba5b5fb19c

                                  SHA1

                                  4dc2e4f6556cfcf86d594de9bdd5f66fd9979cac

                                  SHA256

                                  201f53068429e57f2aefa89699e780375f39d41267173966c1c2adc3f62b0227

                                  SHA512

                                  b771afc81c4bdab04256a5e40097c6ff0ff06fb4f07d107a347f8397abd0504384cad1311d9591ca10ea8fd59b4afc40212a371de006d09003cef0ea82308951

                                • C:\Users\Admin\AppData\Roaming\Microsoft\Office\rundll32.exe

                                  Filesize

                                  740KB

                                  MD5

                                  1d38fc0b521e26de8955ef4d956922c0

                                  SHA1

                                  d994cc5dee47ae881e5486cb6ced6ab2845ea8bf

                                  SHA256

                                  c6a0977e540f6bc6013ae9b2a3947d2ccf08fa7cb3a69bf3aa4612c5ef8981d6

                                  SHA512

                                  c03acc550cd4ec944566dddb311f06666447f0d0ac75b3fb24f913e042515f4ba57b473dccfa5dd45de7d8f78f0d35ccfe9ba740d74acf0fb3d024171565bfb6

                                • C:\Windows\SYSTEM.INI

                                  Filesize

                                  257B

                                  MD5

                                  173e4bbdb5a5bbfc00ae377d3477a147

                                  SHA1

                                  e5f097d7bccb30a8bebebebc372e8d6160b4a05e

                                  SHA256

                                  5f305fd9ee3ef2cd163e6caf56af5face54376f00c142d87458ea6308c81ba8d

                                  SHA512

                                  e81ef6f8156e35e49427ce8963ec6216ec3c4375a94a09767a8276e2251dea6c516db7c8f261bce9852b3b0c0acfc608db546e66ff83ee0236c62eb9662b9541

                                • C:\ryqytv.pif

                                  Filesize

                                  100KB

                                  MD5

                                  21e96a31b40fac79c64eba950521309f

                                  SHA1

                                  4c2066942d2bad0d1f9fb1dccb6bba5db6544a13

                                  SHA256

                                  ee91fb6a03b14d68ee573bcf77c8db16e4db03f9e861bfdac9e520c067bf6c79

                                  SHA512

                                  acc8bad193d2174e5b4787dd61869add5ae5c7ee026140a6e62553c60ed5dd0d75b7b64701b2fb52888ec23bb2cd203b07b9032d09c375924515f53a3549abce

                                • memory/3820-0-0x0000000000400000-0x00000000004C1000-memory.dmp

                                  Filesize

                                  772KB

                                • memory/3820-1-0x00000000032B0000-0x000000000433E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/3820-3-0x00000000032B0000-0x000000000433E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/3820-6-0x00000000032B0000-0x000000000433E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/3820-11-0x00000000032B0000-0x000000000433E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/3820-14-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3820-16-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3820-10-0x00000000032B0000-0x000000000433E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/3820-17-0x00000000032B0000-0x000000000433E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/3820-7-0x00000000032B0000-0x000000000433E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/3820-9-0x00000000016F0000-0x00000000016F1000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/3820-8-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3820-5-0x00000000032B0000-0x000000000433E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/3820-4-0x00000000032B0000-0x000000000433E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/3820-18-0x00000000032B0000-0x000000000433E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/3820-22-0x00000000032B0000-0x000000000433E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/3820-21-0x00000000032B0000-0x000000000433E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/3820-23-0x00000000032B0000-0x000000000433E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/3820-28-0x00000000032B0000-0x000000000433E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/3820-43-0x0000000000400000-0x00000000004C1000-memory.dmp

                                  Filesize

                                  772KB

                                • memory/3820-36-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3820-24-0x00000000032B0000-0x000000000433E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/5008-54-0x0000000004F70000-0x0000000005FFE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/5008-52-0x0000000004F70000-0x0000000005FFE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/5008-53-0x0000000004F70000-0x0000000005FFE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/5008-60-0x0000000000A20000-0x0000000000A22000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/5008-61-0x0000000000A20000-0x0000000000A22000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/5008-57-0x0000000004F70000-0x0000000005FFE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/5008-55-0x0000000004F70000-0x0000000005FFE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/5008-59-0x0000000000A30000-0x0000000000A31000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/5008-51-0x0000000004F70000-0x0000000005FFE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/5008-50-0x0000000004F70000-0x0000000005FFE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/5008-49-0x0000000004F70000-0x0000000005FFE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/5008-56-0x0000000004F70000-0x0000000005FFE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/5008-62-0x0000000004F70000-0x0000000005FFE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/5008-63-0x0000000004F70000-0x0000000005FFE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/5008-64-0x0000000004F70000-0x0000000005FFE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/5008-65-0x0000000004F70000-0x0000000005FFE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/5008-66-0x0000000004F70000-0x0000000005FFE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/5008-72-0x0000000004F70000-0x0000000005FFE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/5008-73-0x0000000004F70000-0x0000000005FFE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/5008-75-0x0000000004F70000-0x0000000005FFE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/5008-76-0x0000000000A20000-0x0000000000A22000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/5008-77-0x0000000004F70000-0x0000000005FFE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/5008-79-0x0000000004F70000-0x0000000005FFE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/5008-83-0x0000000004F70000-0x0000000005FFE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/5008-84-0x0000000004F70000-0x0000000005FFE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/5008-91-0x0000000004F70000-0x0000000005FFE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/5008-129-0x0000000000400000-0x00000000004C1000-memory.dmp

                                  Filesize

                                  772KB