Analysis

  • max time kernel
    32s
  • 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
    06/12/2024, 17:35

General

  • Target

    1cac9505d02aa81312fe58b235015454673e32400bec939330fc2e764d2ff2aa.dll

  • Size

    120KB

  • MD5

    d5a5029261e40a0ceedb4d4cad527d2b

  • SHA1

    fab2828101d8a44522e57067dbbebfb790c3e2b4

  • SHA256

    1cac9505d02aa81312fe58b235015454673e32400bec939330fc2e764d2ff2aa

  • SHA512

    6417cff87e8a4d08e606d2c3c6c8a8ec3342894e1943efb2120ca114769043264f53ef93556add64dcf5d5a3b14344b7b7e42c82d0c5b3730adf55b41f212e45

  • SSDEEP

    3072:Ni6L31YpRa/PqELuEfGi2vgb/mbMcy75KoW:Niu31YyPFuipqbMxvW

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 4 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 29 IoCs

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

  • Drops file in Program Files directory 3 IoCs
  • Drops file in Windows directory 3 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 5 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 WriteProcessMemory 64 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:792
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:800
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:336
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:3004
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2576
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2524
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3408
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\1cac9505d02aa81312fe58b235015454673e32400bec939330fc2e764d2ff2aa.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:4508
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\1cac9505d02aa81312fe58b235015454673e32400bec939330fc2e764d2ff2aa.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:4824
                      • C:\Users\Admin\AppData\Local\Temp\e579cfb.exe
                        C:\Users\Admin\AppData\Local\Temp\e579cfb.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:4220
                      • C:\Users\Admin\AppData\Local\Temp\e579e24.exe
                        C:\Users\Admin\AppData\Local\Temp\e579e24.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:3560
                      • C:\Users\Admin\AppData\Local\Temp\e57cbac.exe
                        C:\Users\Admin\AppData\Local\Temp\e57cbac.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:3640
                      • C:\Users\Admin\AppData\Local\Temp\e57cbcc.exe
                        C:\Users\Admin\AppData\Local\Temp\e57cbcc.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
                        • System Location Discovery: System Language Discovery
                        • Suspicious behavior: EnumeratesProcesses
                        • Suspicious use of WriteProcessMemory
                        • System policy modification
                        PID:1628
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3612
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3804
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3932
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3996
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:4080
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:2204
                            • 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:3284
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:1608

                                Network

                                MITRE ATT&CK Enterprise v15

                                Replay Monitor

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                                Downloads

                                • C:\Users\Admin\AppData\Local\Temp\e579cfb.exe

                                  Filesize

                                  97KB

                                  MD5

                                  46a4ae75fdf4c70005bbe2fb3fdcc4ec

                                  SHA1

                                  3a5e7cf393d3fdaa48aa49909246551f83ef8ef0

                                  SHA256

                                  c11df09c0f072b8d961a4cd77af6af892836a03d6a27dfc5a406e122e53c50db

                                  SHA512

                                  fd0f2d224cea7400b7984b4cfbee7bff85b2b982ef60d111f72d4324276141e7c6ecf9d8e56a4afc88262b1990cb1f6b08342399797057dec9939833a2a70c84

                                • C:\Windows\SYSTEM.INI

                                  Filesize

                                  257B

                                  MD5

                                  0ffef9a2a5ee16d893aa7ea321e6c98e

                                  SHA1

                                  85bbe642fc82afa135de6e4d7e4e1c984d332cd5

                                  SHA256

                                  e45aacaf675133c85343ec2c8ddc1f75cc08372caa4844bc9d6bd0b59c8e3278

                                  SHA512

                                  1be932a5b0acac0c136658e2a3a331d4b3ed10f55dafb89c832e9b88accfc6dd7eafdb026da2c9882084dcbd0a6102094515fb2afdfe472c094985218825b603

                                • memory/1628-160-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/1628-117-0x00000000008D0000-0x000000000198A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1628-161-0x00000000008D0000-0x000000000198A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1628-61-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/3560-43-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3560-100-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/3560-34-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/3560-44-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3560-42-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/3640-141-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/3640-52-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/4220-11-0x0000000000750000-0x000000000180A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4220-51-0x0000000001AF0000-0x0000000001AF2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4220-9-0x0000000000750000-0x000000000180A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4220-10-0x0000000000750000-0x000000000180A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4220-16-0x0000000001B00000-0x0000000001B01000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/4220-5-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/4220-6-0x0000000000750000-0x000000000180A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4220-28-0x0000000000750000-0x000000000180A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4220-36-0x0000000000750000-0x000000000180A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4220-35-0x0000000000750000-0x000000000180A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4220-37-0x0000000000750000-0x000000000180A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4220-38-0x0000000000750000-0x000000000180A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4220-39-0x0000000000750000-0x000000000180A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4220-8-0x0000000000750000-0x000000000180A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4220-19-0x0000000001AF0000-0x0000000001AF2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4220-12-0x0000000000750000-0x000000000180A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4220-45-0x0000000000750000-0x000000000180A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4220-46-0x0000000000750000-0x000000000180A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4220-30-0x0000000001AF0000-0x0000000001AF2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4220-27-0x0000000000750000-0x000000000180A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4220-17-0x0000000000750000-0x000000000180A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4220-33-0x0000000000750000-0x000000000180A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4220-63-0x0000000000750000-0x000000000180A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4220-64-0x0000000000750000-0x000000000180A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4220-66-0x0000000000750000-0x000000000180A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4220-67-0x0000000000750000-0x000000000180A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4220-70-0x0000000000750000-0x000000000180A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4220-71-0x0000000000750000-0x000000000180A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4220-74-0x0000000000750000-0x000000000180A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4220-75-0x0000000000750000-0x000000000180A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4220-77-0x0000000000750000-0x000000000180A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4220-79-0x0000000000750000-0x000000000180A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4220-96-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/4824-50-0x0000000000510000-0x0000000000512000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4824-0-0x0000000010000000-0x0000000010020000-memory.dmp

                                  Filesize

                                  128KB

                                • memory/4824-29-0x0000000000510000-0x0000000000512000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4824-18-0x0000000000510000-0x0000000000512000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4824-13-0x0000000000510000-0x0000000000512000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4824-14-0x00000000006D0000-0x00000000006D1000-memory.dmp

                                  Filesize

                                  4KB