Analysis

  • max time kernel
    118s
  • max time network
    97s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-12-2024 16:32

General

  • Target

    d1febc2275cccf3bdb72f8b56ec42b18523c1a752e646982a80add55a8229d51N.exe

  • Size

    65KB

  • MD5

    cc5ac2778d4effe30179f91ffed20450

  • SHA1

    d099db9a459521dabdcfc8f60282aaa2ecca824f

  • SHA256

    d1febc2275cccf3bdb72f8b56ec42b18523c1a752e646982a80add55a8229d51

  • SHA512

    814562970eb13c726d3da5d32c10798f785835c2ee9ddd6283f099d7c62c03c9b9373a3b60ded6641dbcf92ae8d5051b6eed89ebf18b1216b68213a11ffe2e62

  • SSDEEP

    1536:uMjdE6L1rIkT2NTh/PIJ1zoFvvv2jzz/yzWqn:DFL9IPJh/PIfcvH2fzyWa

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
  • 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.

  • Modifies registry class 1 IoCs
  • 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:764
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:768
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:376
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2652
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2700
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2940
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3416
                  • C:\Users\Admin\AppData\Local\Temp\d1febc2275cccf3bdb72f8b56ec42b18523c1a752e646982a80add55a8229d51N.exe
                    "C:\Users\Admin\AppData\Local\Temp\d1febc2275cccf3bdb72f8b56ec42b18523c1a752e646982a80add55a8229d51N.exe"
                    2⤵
                    • Modifies firewall policy service
                    • UAC bypass
                    • Windows security bypass
                    • 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
                    • Modifies registry class
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious use of AdjustPrivilegeToken
                    • Suspicious use of WriteProcessMemory
                    • System policy modification
                    PID:2624
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3552
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3772
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3864
                      • 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:4020
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:3492
                            • 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:2252
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:4444

                                Network

                                MITRE ATT&CK Enterprise v15

                                Replay Monitor

                                Loading Replay Monitor...

                                Downloads

                                • C:\rcmwbt.exe

                                  Filesize

                                  97KB

                                  MD5

                                  0d9e77f1cb94998b5be96d5596fb165b

                                  SHA1

                                  9a5765814cee1c72983f666d84ea0cc327b2d143

                                  SHA256

                                  be1f06edf73c1ac064c184376a07bba5e7b780e39e9261540743a47b25f1f03c

                                  SHA512

                                  15b30bde3c9626613e828aa866ecc71f408316c70a016a3387f53bc4ba1720014d772330980b44ff47acc81ccbcb7a8216d5d5bdf7ded98890575c0722135c64

                                • memory/2624-33-0x0000000000710000-0x0000000000712000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/2624-70-0x0000000000840000-0x00000000018FA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2624-14-0x0000000000840000-0x00000000018FA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2624-13-0x0000000000840000-0x00000000018FA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2624-18-0x0000000000710000-0x0000000000712000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/2624-5-0x0000000000840000-0x00000000018FA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2624-16-0x0000000000730000-0x0000000000731000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/2624-15-0x0000000000710000-0x0000000000712000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/2624-21-0x0000000000710000-0x0000000000712000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/2624-19-0x0000000000840000-0x00000000018FA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2624-17-0x0000000000840000-0x00000000018FA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2624-4-0x0000000000840000-0x00000000018FA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2624-7-0x0000000000840000-0x00000000018FA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2624-20-0x0000000000840000-0x00000000018FA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2624-22-0x0000000000840000-0x00000000018FA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2624-23-0x0000000000840000-0x00000000018FA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2624-24-0x0000000000840000-0x00000000018FA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2624-26-0x0000000000840000-0x00000000018FA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2624-25-0x0000000000840000-0x00000000018FA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2624-28-0x0000000000840000-0x00000000018FA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2624-29-0x0000000000840000-0x00000000018FA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2624-30-0x0000000000840000-0x00000000018FA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2624-3-0x0000000000840000-0x00000000018FA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2624-6-0x0000000000840000-0x00000000018FA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2624-40-0x0000000000840000-0x00000000018FA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2624-36-0x0000000000840000-0x00000000018FA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2624-37-0x0000000000840000-0x00000000018FA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2624-34-0x0000000000840000-0x00000000018FA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2624-43-0x0000000000840000-0x00000000018FA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2624-45-0x0000000000840000-0x00000000018FA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2624-47-0x0000000000840000-0x00000000018FA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2624-48-0x0000000000840000-0x00000000018FA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2624-50-0x0000000000840000-0x00000000018FA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2624-51-0x0000000000840000-0x00000000018FA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2624-52-0x0000000000840000-0x00000000018FA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2624-54-0x0000000000840000-0x00000000018FA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2624-58-0x0000000000840000-0x00000000018FA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2624-57-0x0000000000840000-0x00000000018FA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2624-65-0x0000000000840000-0x00000000018FA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2624-67-0x0000000000840000-0x00000000018FA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2624-69-0x0000000000840000-0x00000000018FA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2624-0-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/2624-72-0x0000000000840000-0x00000000018FA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2624-73-0x0000000000840000-0x00000000018FA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2624-78-0x0000000000840000-0x00000000018FA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2624-32-0x0000000000840000-0x00000000018FA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2624-87-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB