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Analysis

  • max time kernel
    100s
  • max time network
    100s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/08/2024, 01:57

General

  • Target

    33495db35651ec1d5cec2c5d48e2a2b0N.dll

  • Size

    120KB

  • MD5

    33495db35651ec1d5cec2c5d48e2a2b0

  • SHA1

    033599ddff772bd641df051e2d830cb75d72a4a1

  • SHA256

    a611bdddf5c6dfa10ad2fe1b0dcafdf5d920a0a1a839fc87b190f247f981a870

  • SHA512

    10c989bb6945ff230b4f00b2e03bfff9982b6b9160ee448e1c3c0e526f966a5995451665c9eff9f094e8999f77219368285192fbf47b157bebb103abb21574c6

  • SSDEEP

    3072:nyIVKd/ZVyw158r4N0XOricIKKMjAHQWCG:nyIVY/ZEwnI4N0XlcIKJj5

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 3 IoCs
  • Sality

    Sality is backdoor written in C++, first discovered in 2003.

  • UAC bypass 3 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 6 IoCs
  • Executes dropped EXE 4 IoCs
  • UPX packed file 30 IoCs

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

  • Windows security modification 2 TTPs 7 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 14 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 2 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 59 IoCs
  • System policy modification 1 TTPs 1 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:336
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2608
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2716
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2936
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3484
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\33495db35651ec1d5cec2c5d48e2a2b0N.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:2060
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\33495db35651ec1d5cec2c5d48e2a2b0N.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:5000
                      • C:\Users\Admin\AppData\Local\Temp\e57a95f.exe
                        C:\Users\Admin\AppData\Local\Temp\e57a95f.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:1420
                      • C:\Users\Admin\AppData\Local\Temp\e57aa98.exe
                        C:\Users\Admin\AppData\Local\Temp\e57aa98.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:4452
                      • C:\Users\Admin\AppData\Local\Temp\e57c4f6.exe
                        C:\Users\Admin\AppData\Local\Temp\e57c4f6.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:2764
                      • C:\Users\Admin\AppData\Local\Temp\e57c525.exe
                        C:\Users\Admin\AppData\Local\Temp\e57c525.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:1740
                • 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:3792
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3888
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3952
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:4032
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:3500
                            • 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:1904
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:3800
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
                                  1⤵
                                    PID:2404
                                  • C:\Windows\system32\backgroundTaskHost.exe
                                    "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                    1⤵
                                      PID:3840
                                    • C:\Windows\System32\RuntimeBroker.exe
                                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                                      1⤵
                                        PID:3200
                                      • C:\Windows\System32\RuntimeBroker.exe
                                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                                        1⤵
                                          PID:3392

                                        Network

                                        MITRE ATT&CK Enterprise v15

                                        Replay Monitor

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                                        Downloads

                                        • C:\Users\Admin\AppData\Local\Temp\e57a95f.exe

                                          Filesize

                                          97KB

                                          MD5

                                          80fade278727e05f6fb5192a1f05938b

                                          SHA1

                                          06b6fed1c2ec1f60d1c2021ac54c0cfae7e251e7

                                          SHA256

                                          8dc0b5ecc08b639920e012ba1d415fe76b708b65fa4d1390d89d97ca694acfcb

                                          SHA512

                                          c76d7973d9978ca38d5787f9789b32dae491e52a93b9a9c3c3d953dd800d5397d5bc619288e0301a1c61931b9dffbe510b965b3d33c551a202e7ac4aa4692fe1

                                        • memory/1420-55-0x0000000000750000-0x000000000180A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/1420-30-0x0000000001A30000-0x0000000001A32000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/1420-6-0x0000000000750000-0x000000000180A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/1420-11-0x0000000000750000-0x000000000180A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/1420-9-0x0000000000750000-0x000000000180A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/1420-103-0x0000000001A30000-0x0000000001A32000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/1420-10-0x0000000000750000-0x000000000180A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/1420-16-0x0000000003E70000-0x0000000003E71000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/1420-112-0x0000000000400000-0x0000000000412000-memory.dmp

                                          Filesize

                                          72KB

                                        • memory/1420-8-0x0000000000750000-0x000000000180A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/1420-12-0x0000000000750000-0x000000000180A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/1420-24-0x0000000001A30000-0x0000000001A32000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/1420-91-0x0000000000750000-0x000000000180A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/1420-27-0x0000000000750000-0x000000000180A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/1420-22-0x0000000000750000-0x000000000180A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/1420-28-0x0000000000750000-0x000000000180A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/1420-31-0x0000000000750000-0x000000000180A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/1420-89-0x0000000000750000-0x000000000180A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/1420-58-0x0000000000750000-0x000000000180A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/1420-88-0x0000000000750000-0x000000000180A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/1420-35-0x0000000000750000-0x000000000180A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/1420-36-0x0000000000750000-0x000000000180A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/1420-37-0x0000000000750000-0x000000000180A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/1420-38-0x0000000000750000-0x000000000180A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/1420-39-0x0000000000750000-0x000000000180A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/1420-41-0x0000000000750000-0x000000000180A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/1420-42-0x0000000000750000-0x000000000180A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/1420-85-0x0000000000750000-0x000000000180A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/1420-5-0x0000000000400000-0x0000000000412000-memory.dmp

                                          Filesize

                                          72KB

                                        • memory/1420-84-0x0000000000750000-0x000000000180A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/1420-81-0x0000000000750000-0x000000000180A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/1420-78-0x0000000000750000-0x000000000180A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/1420-77-0x0000000000750000-0x000000000180A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/1420-74-0x0000000000750000-0x000000000180A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/1420-73-0x0000000000750000-0x000000000180A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/1420-57-0x0000000000750000-0x000000000180A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/1740-71-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/1740-66-0x0000000000870000-0x0000000000871000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/1740-124-0x0000000000400000-0x0000000000412000-memory.dmp

                                          Filesize

                                          72KB

                                        • memory/1740-93-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/1740-69-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/2764-70-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/2764-53-0x0000000000400000-0x0000000000412000-memory.dmp

                                          Filesize

                                          72KB

                                        • memory/2764-68-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/2764-64-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/2764-120-0x0000000000400000-0x0000000000412000-memory.dmp

                                          Filesize

                                          72KB

                                        • memory/2764-92-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/4452-116-0x0000000000400000-0x0000000000412000-memory.dmp

                                          Filesize

                                          72KB

                                        • memory/4452-67-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/4452-61-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/4452-34-0x0000000000400000-0x0000000000412000-memory.dmp

                                          Filesize

                                          72KB

                                        • memory/4452-87-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/4452-62-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/5000-23-0x0000000000DB0000-0x0000000000DB2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/5000-13-0x0000000000DB0000-0x0000000000DB2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/5000-14-0x0000000001000000-0x0000000001001000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/5000-29-0x0000000000DB0000-0x0000000000DB2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/5000-1-0x0000000010000000-0x0000000010020000-memory.dmp

                                          Filesize

                                          128KB