Analysis

  • max time kernel
    122s
  • max time network
    99s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-12-2024 23:40

General

  • Target

    41717f55eb67809aa2421dccdc7e17f6ee5ed7a425cb6f251ac1734dd41849dc.exe

  • Size

    97KB

  • MD5

    1ec273c114800c728092c731299967db

  • SHA1

    1b57989050fdc60035a9220f262498898dfe86f6

  • SHA256

    41717f55eb67809aa2421dccdc7e17f6ee5ed7a425cb6f251ac1734dd41849dc

  • SHA512

    3d1254e528e1d03ef0bcae237a6d485d62db02b75acb119fbe7f299a1b1f4bbeab8ca3c4f8b13c4b02c12e1b540b0552ba13c9e7321be62994d2d1a808960772

  • SSDEEP

    1536:Qb6MmyGHKB9cdereZt4YBW3ve78QCwqVlNBMdatL5z2:HMmyGHKYxtVBW2xCwqlgdaXy

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 42 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:780
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:788
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:332
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2684
          • 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:2844
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3624
                  • C:\Users\Admin\AppData\Local\Temp\41717f55eb67809aa2421dccdc7e17f6ee5ed7a425cb6f251ac1734dd41849dc.exe
                    "C:\Users\Admin\AppData\Local\Temp\41717f55eb67809aa2421dccdc7e17f6ee5ed7a425cb6f251ac1734dd41849dc.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:3620
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3760
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3948
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:4036
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:996
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:772
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:4168
                            • C:\Windows\System32\RuntimeBroker.exe
                              C:\Windows\System32\RuntimeBroker.exe -Embedding
                              1⤵
                                PID:4624
                              • 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:1828
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                  1⤵
                                    PID:3512

                                  Network

                                  MITRE ATT&CK Enterprise v15

                                  Replay Monitor

                                  Loading Replay Monitor...

                                  Downloads

                                  • C:\rwxtf.exe

                                    Filesize

                                    97KB

                                    MD5

                                    7dd742522857a2d1957017d8bacad702

                                    SHA1

                                    2257a9e4a79fbee3a5c9e950d42a00cd86da8d02

                                    SHA256

                                    5cf5d9b6a7bb61af477bb6752c5d214101ea93a5fa016480eb62a1856febf692

                                    SHA512

                                    c6b38752013a61aeac3fe157493a120e3ae406783864971f42cf097038f9508b066cad2b4fdcb1ad9187c1fed44fcf64152e07b51b982b6f725e8c022c8ebe13

                                  • memory/3620-0-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/3620-1-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3620-9-0x0000000004100000-0x0000000004101000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/3620-18-0x0000000003EB0000-0x0000000003EB2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/3620-19-0x0000000003EB0000-0x0000000003EB2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/3620-17-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3620-16-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3620-20-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3620-15-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3620-7-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3620-5-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3620-6-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3620-3-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3620-8-0x0000000003EB0000-0x0000000003EB2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/3620-4-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3620-22-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3620-21-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3620-23-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3620-24-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3620-25-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3620-27-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3620-28-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3620-29-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3620-30-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3620-34-0x0000000003EB0000-0x0000000003EB2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/3620-32-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3620-35-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3620-37-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3620-39-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3620-42-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3620-44-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3620-45-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3620-46-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3620-47-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3620-49-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3620-51-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3620-50-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3620-52-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3620-54-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3620-55-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3620-58-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3620-60-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3620-66-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3620-67-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3620-68-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3620-70-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3620-73-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3620-77-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3620-86-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB