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Analysis

  • max time kernel
    23s
  • 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
    16/12/2024, 00:17

General

  • Target

    19f6fef109a8e4b1249bcb20ec7bcf7f84d880d3b711d85cd5b91a1862a84821N.exe

  • Size

    736KB

  • MD5

    597655d6a160b5f6603a0e740b070b20

  • SHA1

    2ee8d116ae2dbff6d48a56f543eb210fe422a62d

  • SHA256

    19f6fef109a8e4b1249bcb20ec7bcf7f84d880d3b711d85cd5b91a1862a84821

  • SHA512

    67d8742121967c63525239cc7c19ed979b37c0117971286e2d2fdd37f3f251fe9835d2211a44832a3e84b4c16ff43ae0d8581ec533d7908d229c3602824163d5

  • SSDEEP

    12288:BTyjXW+48qWywrU4kGFezOAVuJ5PIFww7F5DO3HYffPtS35CwPxY:lIXW/8yw1ez54lIlF5SXYHPtkUwPy

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
  • 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
  • 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 39 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 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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 33 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:796
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:804
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:376
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2552
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2580
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2660
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3452
                  • C:\Users\Admin\AppData\Local\Temp\19f6fef109a8e4b1249bcb20ec7bcf7f84d880d3b711d85cd5b91a1862a84821N.exe
                    "C:\Users\Admin\AppData\Local\Temp\19f6fef109a8e4b1249bcb20ec7bcf7f84d880d3b711d85cd5b91a1862a84821N.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:4348
                    • 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
                      • 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 SetWindowsHookEx
                      • Suspicious use of WriteProcessMemory
                      • System policy modification
                      PID:844
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3620
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3836
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3928
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3992
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:4088
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:3676
                            • 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:1744
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:212

                                Network

                                MITRE ATT&CK Enterprise v15

                                Replay Monitor

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                                Downloads

                                • C:\Users\Admin\AppData\Local\Temp\0E57A940_Rar\rundll32.exe

                                  Filesize

                                  664KB

                                  MD5

                                  2eb5d76180ce7b3241b281fa79ab3483

                                  SHA1

                                  06293dea80e39c7eb7ee2bdb00d60b58d932fa8a

                                  SHA256

                                  e1b9beb4617a720d55afaec364941bb18ea2c456a8b06b30a736f0cbb5c297e8

                                  SHA512

                                  35f553c76fc67afb88a6a090fcbad6af3e2faae154c9c84bd869714194012525a2d42b76dad855805f107a37c351f0de08fd9a03d8ddc1dd400d64640d81b90b

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

                                  Filesize

                                  736KB

                                  MD5

                                  597655d6a160b5f6603a0e740b070b20

                                  SHA1

                                  2ee8d116ae2dbff6d48a56f543eb210fe422a62d

                                  SHA256

                                  19f6fef109a8e4b1249bcb20ec7bcf7f84d880d3b711d85cd5b91a1862a84821

                                  SHA512

                                  67d8742121967c63525239cc7c19ed979b37c0117971286e2d2fdd37f3f251fe9835d2211a44832a3e84b4c16ff43ae0d8581ec533d7908d229c3602824163d5

                                • C:\Windows\SYSTEM.INI

                                  Filesize

                                  257B

                                  MD5

                                  f052d89b6fe2b14fc4bdf78919302bd8

                                  SHA1

                                  afce81863b89a317f07a5bb98c97a8d2cc1ab0bb

                                  SHA256

                                  61dc0808b41f250759ba2ed54cadf27befc01ca67849c94986497496d5cbb93f

                                  SHA512

                                  b6d9c2fa7d64ef434489674b51e9fc0d87b0d50c3851f8f1ba78dd1da96b940a12ce5e41a4b783e5534ffa66a134d99cced00aa43da91149597292051a7d7d30

                                • C:\nfbbh.exe

                                  Filesize

                                  97KB

                                  MD5

                                  188f9c16f1e844c0da4b92227eb5ae62

                                  SHA1

                                  a917c38320316c352d1ae22f2a187283e01d29de

                                  SHA256

                                  f19628547574c91ef399227f9bc65468482eb1f8c3ea19eaf728cc231a8f9400

                                  SHA512

                                  cde75789a389b200bee2a26876705c03ef5edfb84e902547a2174b72f664500954543de3f31885f5dec7fa6ef9cb2134079171ff8394afe7064845fffeb9f5c8

                                • memory/844-73-0x0000000004EF0000-0x0000000005FAA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/844-75-0x0000000004EF0000-0x0000000005FAA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/844-140-0x0000000000400000-0x00000000004C0000-memory.dmp

                                  Filesize

                                  768KB

                                • memory/844-92-0x0000000004EF0000-0x0000000005FAA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/844-90-0x0000000004EF0000-0x0000000005FAA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/844-88-0x0000000004EF0000-0x0000000005FAA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/844-86-0x0000000004EF0000-0x0000000005FAA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/844-71-0x0000000002FA0000-0x0000000002FA2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/844-84-0x0000000002FA0000-0x0000000002FA2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/844-81-0x0000000004EF0000-0x0000000005FAA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/844-80-0x0000000004EF0000-0x0000000005FAA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/844-79-0x0000000004EF0000-0x0000000005FAA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/844-78-0x0000000004EF0000-0x0000000005FAA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/844-62-0x0000000004EF0000-0x0000000005FAA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/844-76-0x0000000004EF0000-0x0000000005FAA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/844-54-0x0000000004EF0000-0x0000000005FAA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/844-74-0x0000000004EF0000-0x0000000005FAA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/844-70-0x0000000002FA0000-0x0000000002FA2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/844-72-0x0000000004EF0000-0x0000000005FAA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/844-56-0x0000000004EF0000-0x0000000005FAA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/844-52-0x0000000004EF0000-0x0000000005FAA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/844-59-0x0000000004EF0000-0x0000000005FAA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/844-58-0x0000000004EF0000-0x0000000005FAA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/844-57-0x0000000004EF0000-0x0000000005FAA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/844-64-0x0000000002FB0000-0x0000000002FB1000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/844-83-0x0000000004EF0000-0x0000000005FAA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/844-55-0x0000000004EF0000-0x0000000005FAA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/844-61-0x0000000004EF0000-0x0000000005FAA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/844-60-0x0000000004EF0000-0x0000000005FAA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4348-26-0x0000000002ED0000-0x0000000003F8A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4348-0-0x0000000000400000-0x00000000004C0000-memory.dmp

                                  Filesize

                                  768KB

                                • memory/4348-17-0x00000000012F0000-0x00000000012F2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4348-6-0x0000000002ED0000-0x0000000003F8A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4348-5-0x0000000002ED0000-0x0000000003F8A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4348-36-0x0000000002ED0000-0x0000000003F8A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4348-39-0x00000000012F0000-0x00000000012F2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4348-48-0x0000000000400000-0x00000000004C0000-memory.dmp

                                  Filesize

                                  768KB

                                • memory/4348-16-0x0000000001300000-0x0000000001301000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/4348-29-0x0000000002ED0000-0x0000000003F8A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4348-25-0x0000000002ED0000-0x0000000003F8A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4348-24-0x0000000002ED0000-0x0000000003F8A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4348-1-0x0000000002ED0000-0x0000000003F8A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4348-4-0x0000000002ED0000-0x0000000003F8A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4348-14-0x0000000002ED0000-0x0000000003F8A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4348-15-0x00000000012F0000-0x00000000012F2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4348-23-0x00000000012F0000-0x00000000012F2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4348-7-0x0000000002ED0000-0x0000000003F8A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4348-13-0x0000000002ED0000-0x0000000003F8A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4348-21-0x0000000002ED0000-0x0000000003F8A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4348-3-0x0000000002ED0000-0x0000000003F8A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4348-18-0x0000000002ED0000-0x0000000003F8A000-memory.dmp

                                  Filesize

                                  16.7MB