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Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/03/2024, 16:10

General

  • Target

    c10553511b6669c5f10256e66955ace9.exe

  • Size

    100KB

  • MD5

    c10553511b6669c5f10256e66955ace9

  • SHA1

    52f174ca6ac799250d0711ba57e358fccd5e23b7

  • SHA256

    16e79ee3a6f24f935377544b9a71da95db4a5e3f8858b9256872e88382a38c39

  • SHA512

    46fc619e5e2970ca8b0a6f8bd110da793810cef3bd0c778c389257b4e7242e73cb26fa3751ef8fab911a396eae8eae5c0ee1f828ed4c15d5c7f2339e06896126

  • SSDEEP

    1536:gxKxJQwrnt71IVojM2mKfwQtnIgqAMhyS0Hkj1GeRyR1d:goxJQQ1jjMnK8gqAM0S0Hy1b0

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 2 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
  • Disables RegEdit via registry modification 1 IoCs
  • Disables Task Manager via registry modification
  • UPX packed file 38 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 21 IoCs

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

  • Drops autorun.inf file 1 TTPs 2 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Drops file in Program Files directory 11 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 30 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:764
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:772
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:60
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2532
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2544
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2704
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3524
                  • C:\Users\Admin\AppData\Local\Temp\c10553511b6669c5f10256e66955ace9.exe
                    "C:\Users\Admin\AppData\Local\Temp\c10553511b6669c5f10256e66955ace9.exe"
                    2⤵
                    • Modifies firewall policy service
                    • UAC bypass
                    • Windows security bypass
                    • Disables RegEdit via registry modification
                    • Windows security modification
                    • Checks whether UAC is enabled
                    • Enumerates connected drives
                    • Drops autorun.inf file
                    • Drops file in Program Files directory
                    • Drops file in Windows directory
                    • Modifies registry class
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious use of AdjustPrivilegeToken
                    • Suspicious use of WriteProcessMemory
                    • System policy modification
                    PID:1740
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3716
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3912
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:4004
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:4064
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:2796
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:4112
                            • 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:2308
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:3740

                                Network

                                MITRE ATT&CK Enterprise v15

                                Replay Monitor

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                                Downloads

                                • F:\wowpou.pif

                                  Filesize

                                  100KB

                                  MD5

                                  a313c9bcf5bd14eb49dfd12daad7c346

                                  SHA1

                                  d76995a5072a719dd80035cce41167a67086ac89

                                  SHA256

                                  88d043737f2304ab5f9692d5a80553d3cedc727f1f640bf50ab2042bc54b91e5

                                  SHA512

                                  8572b58b8eeacd398510e89a9fe6bb992802cc1e1d2292371cce3cb7989f846686ca7849088abe142aee1a3d3b08af268fee649a5673f97e2c29f47e8a2262b8

                                • memory/1740-26-0x0000000002190000-0x000000000321E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1740-28-0x0000000002190000-0x000000000321E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1740-4-0x0000000002190000-0x000000000321E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1740-5-0x0000000003D50000-0x0000000003D52000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/1740-6-0x0000000003E60000-0x0000000003E61000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/1740-9-0x0000000003D50000-0x0000000003D52000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/1740-7-0x0000000002190000-0x000000000321E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1740-10-0x0000000002190000-0x000000000321E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1740-11-0x0000000002190000-0x000000000321E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1740-12-0x0000000002190000-0x000000000321E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1740-13-0x0000000002190000-0x000000000321E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1740-14-0x0000000002190000-0x000000000321E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1740-15-0x0000000002190000-0x000000000321E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1740-16-0x0000000002190000-0x000000000321E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1740-17-0x0000000002190000-0x000000000321E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1740-18-0x0000000002190000-0x000000000321E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1740-19-0x0000000002190000-0x000000000321E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1740-0-0x0000000000400000-0x0000000000413000-memory.dmp

                                  Filesize

                                  76KB

                                • memory/1740-22-0x0000000002190000-0x000000000321E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1740-23-0x0000000002190000-0x000000000321E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1740-3-0x0000000002190000-0x000000000321E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1740-25-0x0000000002190000-0x000000000321E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1740-21-0x0000000002190000-0x000000000321E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1740-30-0x0000000002190000-0x000000000321E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1740-33-0x0000000002190000-0x000000000321E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1740-35-0x0000000002190000-0x000000000321E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1740-37-0x0000000002190000-0x000000000321E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1740-39-0x0000000002190000-0x000000000321E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1740-41-0x0000000002190000-0x000000000321E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1740-43-0x0000000002190000-0x000000000321E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1740-45-0x0000000002190000-0x000000000321E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1740-47-0x0000000003D50000-0x0000000003D52000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/1740-53-0x0000000002190000-0x000000000321E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1740-55-0x0000000002190000-0x000000000321E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1740-56-0x0000000002190000-0x000000000321E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1740-57-0x0000000002190000-0x000000000321E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1740-59-0x0000000002190000-0x000000000321E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1740-61-0x0000000002190000-0x000000000321E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1740-63-0x0000000002190000-0x000000000321E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1740-65-0x0000000002190000-0x000000000321E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1740-67-0x0000000002190000-0x000000000321E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1740-68-0x0000000002190000-0x000000000321E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1740-1-0x0000000002190000-0x000000000321E000-memory.dmp

                                  Filesize

                                  16.6MB