Analysis

  • max time kernel
    96s
  • max time network
    97s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/09/2024, 20:16

General

  • Target

    312aad9d2fc2012c29930c80d8786938e5e29bf8984b65186aa8cd9cde9e64bd.dll

  • Size

    120KB

  • MD5

    0234272d32ebb982c1d377928baafd2a

  • SHA1

    4d0b03f3d30d73d6495f138b1da4e6bb01257a19

  • SHA256

    312aad9d2fc2012c29930c80d8786938e5e29bf8984b65186aa8cd9cde9e64bd

  • SHA512

    37faeccc243aad98655bc0329db2f0f506fdd2c8942199824eead956e88bd35f6f7430f11af6e107d581240b2fe47db21153bdf4788ab47f1f7568942957147a

  • SSDEEP

    1536:hYMx2SILjfVxRPLWgXc4aK/M+TlVHrKiBTPnAjGuR2Bs1xoSFjX:hl4NxRPLWgXiGJrKiBTAjGuR2a1xV

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
  • Executes dropped EXE 4 IoCs
  • UPX packed file 35 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 4 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 57 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:2508
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2520
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2724
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3444
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\312aad9d2fc2012c29930c80d8786938e5e29bf8984b65186aa8cd9cde9e64bd.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:4076
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\312aad9d2fc2012c29930c80d8786938e5e29bf8984b65186aa8cd9cde9e64bd.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:3888
                      • C:\Users\Admin\AppData\Local\Temp\e57aae6.exe
                        C:\Users\Admin\AppData\Local\Temp\e57aae6.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:3560
                      • C:\Users\Admin\AppData\Local\Temp\e57abef.exe
                        C:\Users\Admin\AppData\Local\Temp\e57abef.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:2072
                      • C:\Users\Admin\AppData\Local\Temp\e57c68c.exe
                        C:\Users\Admin\AppData\Local\Temp\e57c68c.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:4456
                      • C:\Users\Admin\AppData\Local\Temp\e57c69c.exe
                        C:\Users\Admin\AppData\Local\Temp\e57c69c.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:2608
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3640
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3820
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3964
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:4024
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:668
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:1968
                            • 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:3252
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:1656
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                  1⤵
                                    PID:968
                                  • C:\Windows\System32\RuntimeBroker.exe
                                    C:\Windows\System32\RuntimeBroker.exe -Embedding
                                    1⤵
                                      PID:5116
                                    • C:\Windows\System32\RuntimeBroker.exe
                                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                                      1⤵
                                        PID:2004

                                      Network

                                      MITRE ATT&CK Enterprise v15

                                      Replay Monitor

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                                      Downloads

                                      • C:\Users\Admin\AppData\Local\Temp\e57aae6.exe

                                        Filesize

                                        97KB

                                        MD5

                                        5118e84e21aa88584b35dc1bcb5e5d87

                                        SHA1

                                        98f73cad97c9857aaa0764a59bdd949c269b0b07

                                        SHA256

                                        60e780ff873d7633a6151e1efa40b3dd5decdbbb4a12a78f8f36dc5f2d9a58a7

                                        SHA512

                                        f338ca88bbaf20ee769941e8f538c7891cf1ec87633e6e65a6515cef6954603c750254a55081d90904398fb392943fbd196acf269edf46c4a609ca4ce452998c

                                      • C:\Windows\SYSTEM.INI

                                        Filesize

                                        257B

                                        MD5

                                        c6bc5c782dac29d2b83c476c44293b5c

                                        SHA1

                                        75d07f96878465fa099b474182adc78a2575eb24

                                        SHA256

                                        f4bf47ef604ef3456ed977a17f1f01f30e5a620792bc6e0dc1ac337f17c98660

                                        SHA512

                                        4df0b985a588bfd771aeed31bc00d7d6d9ca3ae511737404dcd9427f463bd591d48fa8aba209bb6401dbb9754a6a17c69b8298c7ec606fd6f9fd8a7deb862476

                                      • memory/2072-85-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/2072-120-0x0000000000400000-0x0000000000412000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/2072-63-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/2072-33-0x0000000000400000-0x0000000000412000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/2072-65-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/2072-64-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/2608-129-0x0000000000400000-0x0000000000412000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/2608-95-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/2608-56-0x0000000000400000-0x0000000000412000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/2608-71-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/2608-72-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/2608-73-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/3560-59-0x0000000000750000-0x000000000180A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3560-35-0x0000000000750000-0x000000000180A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3560-30-0x0000000000750000-0x000000000180A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3560-116-0x0000000000400000-0x0000000000412000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/3560-16-0x0000000001B00000-0x0000000001B01000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/3560-96-0x0000000000750000-0x000000000180A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3560-11-0x0000000000750000-0x000000000180A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3560-9-0x0000000000750000-0x000000000180A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3560-36-0x0000000000750000-0x000000000180A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3560-37-0x0000000000750000-0x000000000180A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3560-38-0x0000000000750000-0x000000000180A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3560-39-0x0000000000750000-0x000000000180A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3560-40-0x0000000000750000-0x000000000180A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3560-42-0x0000000000750000-0x000000000180A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3560-43-0x0000000000750000-0x000000000180A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3560-12-0x0000000000750000-0x000000000180A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3560-55-0x0000000000750000-0x000000000180A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3560-92-0x0000000000750000-0x000000000180A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3560-60-0x0000000000750000-0x000000000180A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3560-25-0x0000000000750000-0x000000000180A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3560-32-0x0000000001AF0000-0x0000000001AF2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/3560-99-0x0000000000750000-0x000000000180A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3560-27-0x0000000000750000-0x000000000180A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3560-31-0x0000000000750000-0x000000000180A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3560-4-0x0000000000400000-0x0000000000412000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/3560-26-0x0000000001AF0000-0x0000000001AF2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/3560-6-0x0000000000750000-0x000000000180A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3560-91-0x0000000000750000-0x000000000180A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3560-74-0x0000000000750000-0x000000000180A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3560-76-0x0000000000750000-0x000000000180A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3560-79-0x0000000000750000-0x000000000180A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3560-81-0x0000000000750000-0x000000000180A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3560-82-0x0000000000750000-0x000000000180A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3560-83-0x0000000000750000-0x000000000180A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3560-10-0x0000000000750000-0x000000000180A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3560-86-0x0000000000750000-0x000000000180A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3560-87-0x0000000000750000-0x000000000180A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3560-8-0x0000000000750000-0x000000000180A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3888-34-0x0000000003F40000-0x0000000003F42000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/3888-0-0x0000000010000000-0x0000000010020000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/3888-13-0x0000000003F40000-0x0000000003F42000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/3888-14-0x0000000004410000-0x0000000004411000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/3888-17-0x0000000003F40000-0x0000000003F42000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/4456-68-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/4456-90-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/4456-67-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/4456-69-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/4456-135-0x0000000000400000-0x0000000000412000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/4456-133-0x0000000000B40000-0x0000000001BFA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4456-136-0x0000000000B40000-0x0000000001BFA000-memory.dmp

                                        Filesize

                                        16.7MB