Analysis

  • max time kernel
    90s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-12-2024 14:48

General

  • Target

    84b209c3fd53ecee6344116f61f9b8e3c6333520b5805c1fe638034c87da9a8f.exe

  • Size

    1.3MB

  • MD5

    a557975b9bc4b3726468a6b3cf6d4e12

  • SHA1

    637f82035027367dcd7b414dc9ffc594b277c23b

  • SHA256

    84b209c3fd53ecee6344116f61f9b8e3c6333520b5805c1fe638034c87da9a8f

  • SHA512

    aaffec2a5e939d0fbf59d58a05c4891443fe4a9818946eb6fea0fe2231b7211a9020fbe6eedcc43389fc3b8b81c30fdfe2e0c6cd1a55f4d7c4c90173179b30db

  • SSDEEP

    24576:1nIpp65ZouNDaKdDPhoH5Xlpoyt5qqnniyzVM894:WppARbDPhoGyt5qqnG

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
  • Windows security modification 2 TTPs 7 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • UPX packed file 7 IoCs

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

  • Drops file in Windows directory 2 IoCs
  • 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.

  • Modifies registry class 7 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:788
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:796
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:380
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2568
          • 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:2748
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3540
                  • C:\Users\Admin\AppData\Local\Temp\84b209c3fd53ecee6344116f61f9b8e3c6333520b5805c1fe638034c87da9a8f.exe
                    "C:\Users\Admin\AppData\Local\Temp\84b209c3fd53ecee6344116f61f9b8e3c6333520b5805c1fe638034c87da9a8f.exe"
                    2⤵
                    • Modifies firewall policy service
                    • UAC bypass
                    • Windows security bypass
                    • Windows security modification
                    • Checks whether UAC is enabled
                    • Drops file in Windows directory
                    • System Location Discovery: System Language Discovery
                    • Modifies registry class
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious use of AdjustPrivilegeToken
                    • Suspicious use of WriteProcessMemory
                    • System policy modification
                    PID:3156
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3672
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3844
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3936
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:4000
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:4088
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:3896
                            • 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:1140
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:3700

                                Network

                                MITRE ATT&CK Enterprise v15

                                Replay Monitor

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                                Downloads

                                • memory/3156-0-0x0000000000400000-0x000000000055D000-memory.dmp

                                  Filesize

                                  1.4MB

                                • memory/3156-1-0x0000000002440000-0x00000000034FA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3156-3-0x0000000002440000-0x00000000034FA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3156-5-0x0000000002440000-0x00000000034FA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3156-4-0x0000000002440000-0x00000000034FA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3156-7-0x0000000003640000-0x0000000003641000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/3156-10-0x00000000035A0000-0x00000000035A2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3156-6-0x00000000035A0000-0x00000000035A2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3156-8-0x0000000002440000-0x00000000034FA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3156-9-0x0000000002440000-0x00000000034FA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3156-12-0x0000000002440000-0x00000000034FA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3156-21-0x0000000000400000-0x000000000055D000-memory.dmp

                                  Filesize

                                  1.4MB

                                • memory/3156-18-0x00000000035A0000-0x00000000035A2000-memory.dmp

                                  Filesize

                                  8KB