Analysis

  • max time kernel
    123s
  • max time network
    152s
  • 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 20:53

General

  • Target

    27df64855ecf63309b3f2db671effd3be4c7924ae831097d731c4bc19505e8f2.exe

  • Size

    1.2MB

  • MD5

    b0760b1f9bc86202009fd24c6f0ca189

  • SHA1

    3a607df7bfca2f7b58708ec1be6c8d871fdf4db0

  • SHA256

    27df64855ecf63309b3f2db671effd3be4c7924ae831097d731c4bc19505e8f2

  • SHA512

    720c40d3d3584051eb7bfa9465ec56123b069eccdced1763d166e1e81e699cab7ef3a24dd9971cc77915411944453852bebc5b6f4fbb981e83751680ce0daddf

  • SSDEEP

    24576:0U6K1uA4xACQ84KKX/rOwxoluXf/8Wc7/3Pg5viRj3h:0UlQJPPOrmG0WA/oOl

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.

  • Sality family
  • UAC bypass 3 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 6 IoCs
  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Loads dropped DLL 1 IoCs
  • 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.

  • UPX packed file 40 IoCs

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

  • Drops file in Program Files directory 11 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 24 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:780
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:776
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:384
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:3024
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:3032
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2204
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3440
                  • C:\Users\Admin\AppData\Local\Temp\27df64855ecf63309b3f2db671effd3be4c7924ae831097d731c4bc19505e8f2.exe
                    "C:\Users\Admin\AppData\Local\Temp\27df64855ecf63309b3f2db671effd3be4c7924ae831097d731c4bc19505e8f2.exe"
                    2⤵
                    • Modifies firewall policy service
                    • UAC bypass
                    • Windows security bypass
                    • Loads dropped DLL
                    • 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
                    • System Location Discovery: System Language Discovery
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious use of AdjustPrivilegeToken
                    • Suspicious use of WriteProcessMemory
                    • System policy modification
                    PID:4080
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3580
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3764
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3856
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3928
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:4008
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:3912
                            • 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:4700
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:2732
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                  1⤵
                                    PID:4996

                                  Network

                                  MITRE ATT&CK Enterprise v15

                                  Replay Monitor

                                  Loading Replay Monitor...

                                  Downloads

                                  • C:\Users\Admin\AppData\Local\Temp\apm9D78.tmp

                                    Filesize

                                    146KB

                                    MD5

                                    3d4839228c7ee77e28832879eeb17340

                                    SHA1

                                    ebe4a6388c8c6831837e232b48b8f4266b7f711e

                                    SHA256

                                    5d6ff8a11cda6d5b1e6d8a5562594379a082cee18f402a8a0a26b8cabe428954

                                    SHA512

                                    f3c534524eaa4b51ee44a6c1d05a142c0d10d9c1c48db79b60903dd948d5712b367479b82cd85fa8ee094dcd2569c0fd85a36c10c97deab59e49e1f1f4da6c56

                                  • F:\wykcd.exe

                                    Filesize

                                    97KB

                                    MD5

                                    9a8c4c4072d3181fe89577d318f849e0

                                    SHA1

                                    3b436099eb6ffaa4834eaf8056886dd8c8d69230

                                    SHA256

                                    e232c146a7b1eb11e2685c39179e29e1ff3900d3f77ce473e67d6370969d5d30

                                    SHA512

                                    bad99b86c3551946705aed7b90ec364478f693e1e48b8e7d744afcf889925ed94a6b4a95f3ca4ba2eb6247feef89b120f6220277fdf2cfae34e16ff8a006256e

                                  • memory/4080-37-0x0000000002460000-0x000000000351A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4080-79-0x0000000002460000-0x000000000351A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4080-4-0x0000000002460000-0x000000000351A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4080-18-0x0000000002460000-0x000000000351A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4080-3-0x0000000002460000-0x000000000351A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4080-17-0x0000000002460000-0x000000000351A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4080-29-0x0000000002460000-0x000000000351A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4080-28-0x0000000002460000-0x000000000351A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4080-30-0x0000000010000000-0x000000001007E000-memory.dmp

                                    Filesize

                                    504KB

                                  • memory/4080-15-0x0000000002460000-0x000000000351A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4080-21-0x0000000000890000-0x0000000000892000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4080-20-0x0000000004880000-0x0000000004881000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/4080-9-0x0000000002460000-0x000000000351A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4080-6-0x0000000002460000-0x000000000351A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4080-8-0x00000000008A0000-0x00000000008A1000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/4080-7-0x0000000000890000-0x0000000000892000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4080-5-0x0000000002460000-0x000000000351A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4080-31-0x0000000002460000-0x000000000351A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4080-32-0x0000000002460000-0x000000000351A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4080-33-0x0000000002460000-0x000000000351A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4080-35-0x0000000002460000-0x000000000351A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4080-34-0x0000000002460000-0x000000000351A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4080-87-0x0000000002460000-0x000000000351A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4080-16-0x0000000000890000-0x0000000000892000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4080-45-0x0000000002460000-0x000000000351A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4080-39-0x0000000002460000-0x000000000351A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4080-44-0x0000000004880000-0x0000000004881000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/4080-40-0x0000000000400000-0x000000000054A000-memory.dmp

                                    Filesize

                                    1.3MB

                                  • memory/4080-46-0x0000000002460000-0x000000000351A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4080-48-0x0000000002460000-0x000000000351A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4080-50-0x0000000002460000-0x000000000351A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4080-53-0x0000000002460000-0x000000000351A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4080-55-0x0000000002460000-0x000000000351A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4080-58-0x0000000002460000-0x000000000351A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4080-59-0x0000000002460000-0x000000000351A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4080-62-0x0000000002460000-0x000000000351A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4080-63-0x0000000002460000-0x000000000351A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4080-67-0x0000000002460000-0x000000000351A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4080-69-0x0000000002460000-0x000000000351A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4080-75-0x0000000002460000-0x000000000351A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4080-78-0x0000000002460000-0x000000000351A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4080-38-0x0000000002460000-0x000000000351A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4080-81-0x0000000002460000-0x000000000351A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4080-83-0x0000000002460000-0x000000000351A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4080-85-0x0000000002460000-0x000000000351A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4080-0-0x0000000000400000-0x000000000054A000-memory.dmp

                                    Filesize

                                    1.3MB

                                  • memory/4080-1-0x0000000002460000-0x000000000351A000-memory.dmp

                                    Filesize

                                    16.7MB