Analysis

  • max time kernel
    122s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-05-2024 19:54

General

  • Target

    256d4d1fe3db7be845d5e08c476016f033972cddc089f3e8328f00fe469af68f.exe

  • Size

    97KB

  • MD5

    6ff0671649cdc268523f36360dbd0f93

  • SHA1

    16dc2ade6dfafcde21c46f97a475c464e1fe2a46

  • SHA256

    256d4d1fe3db7be845d5e08c476016f033972cddc089f3e8328f00fe469af68f

  • SHA512

    1ccfc0dfa96118a4202befa85b0f1645daa56c1607c5f1eda69b843b2fbcbc38b55aebab1ebc7ceec91b2da99d7933b3e8eb785f311200f2766019ab7fe2e353

  • SSDEEP

    1536:0VZnyQ0q8z+SRYxBQ9oxSoWl6KC5Z5kfcRw9yU2t5ZzfA:0VZyYxogSoWkTZSERw9D25tf

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 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
  • Detects executables packed with Sality Polymorphic Code Generator or Simple Poly Engine or Sality 40 IoCs
  • UPX dump on OEP (original entry point) 40 IoCs
  • UPX packed file 40 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 12 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • 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:776
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:784
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:384
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:3060
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2204
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:3084
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3444
                  • C:\Users\Admin\AppData\Local\Temp\256d4d1fe3db7be845d5e08c476016f033972cddc089f3e8328f00fe469af68f.exe
                    "C:\Users\Admin\AppData\Local\Temp\256d4d1fe3db7be845d5e08c476016f033972cddc089f3e8328f00fe469af68f.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
                    • Modifies registry class
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious use of AdjustPrivilegeToken
                    • Suspicious use of WriteProcessMemory
                    • System policy modification
                    PID:3560
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3584
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3768
                    • 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:3920
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:4052
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:4020
                            • C:\Windows\System32\RuntimeBroker.exe
                              C:\Windows\System32\RuntimeBroker.exe -Embedding
                              1⤵
                                PID:4384
                              • 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:2164
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
                                  1⤵
                                    PID:2904
                                  • C:\Windows\system32\backgroundTaskHost.exe
                                    "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                    1⤵
                                      PID:2740
                                    • C:\Windows\system32\BackgroundTaskHost.exe
                                      "C:\Windows\system32\BackgroundTaskHost.exe" -ServerName:BackgroundTaskHost.WebAccountProvider
                                      1⤵
                                        PID:3984
                                      • C:\Windows\System32\RuntimeBroker.exe
                                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                                        1⤵
                                          PID:3288
                                        • C:\Windows\System32\RuntimeBroker.exe
                                          C:\Windows\System32\RuntimeBroker.exe -Embedding
                                          1⤵
                                            PID:4932
                                          • C:\Windows\system32\DllHost.exe
                                            C:\Windows\system32\DllHost.exe /Processid:{AB8902B4-09CA-4BB6-B78D-A8F59079A8D5}
                                            1⤵
                                              PID:2952

                                            Network

                                            MITRE ATT&CK Enterprise v15

                                            Replay Monitor

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                                            Downloads

                                            • F:\ssfiml.pif
                                              Filesize

                                              97KB

                                              MD5

                                              9231ae611a5bd52f8b4112d44fbefce1

                                              SHA1

                                              84b5745baaca29818e3ba9fdb83cc276a1e94b1c

                                              SHA256

                                              0fe6ecbcada84c7d7c73a302bf4d07ca9448dfed41059d3d36f535106c722d55

                                              SHA512

                                              4b63bea34224f71a2813a4382911bc2eba022ac86d768c527253e34ae19ee4ca73aec12e5b6785740723b02590a80b5ad4c781c7f025ec6e31475ca54e6fcb6e

                                            • memory/3560-29-0x0000000000860000-0x000000000191A000-memory.dmp
                                              Filesize

                                              16.7MB

                                            • memory/3560-77-0x0000000000700000-0x0000000000702000-memory.dmp
                                              Filesize

                                              8KB

                                            • memory/3560-3-0x0000000000860000-0x000000000191A000-memory.dmp
                                              Filesize

                                              16.7MB

                                            • memory/3560-4-0x0000000000860000-0x000000000191A000-memory.dmp
                                              Filesize

                                              16.7MB

                                            • memory/3560-7-0x0000000000860000-0x000000000191A000-memory.dmp
                                              Filesize

                                              16.7MB

                                            • memory/3560-15-0x0000000000860000-0x000000000191A000-memory.dmp
                                              Filesize

                                              16.7MB

                                            • memory/3560-18-0x0000000000700000-0x0000000000702000-memory.dmp
                                              Filesize

                                              8KB

                                            • memory/3560-19-0x0000000000860000-0x000000000191A000-memory.dmp
                                              Filesize

                                              16.7MB

                                            • memory/3560-16-0x0000000000860000-0x000000000191A000-memory.dmp
                                              Filesize

                                              16.7MB

                                            • memory/3560-20-0x0000000000860000-0x000000000191A000-memory.dmp
                                              Filesize

                                              16.7MB

                                            • memory/3560-17-0x0000000000700000-0x0000000000702000-memory.dmp
                                              Filesize

                                              8KB

                                            • memory/3560-5-0x0000000000860000-0x000000000191A000-memory.dmp
                                              Filesize

                                              16.7MB

                                            • memory/3560-9-0x0000000000710000-0x0000000000711000-memory.dmp
                                              Filesize

                                              4KB

                                            • memory/3560-8-0x0000000000700000-0x0000000000702000-memory.dmp
                                              Filesize

                                              8KB

                                            • memory/3560-21-0x0000000000860000-0x000000000191A000-memory.dmp
                                              Filesize

                                              16.7MB

                                            • memory/3560-22-0x0000000000860000-0x000000000191A000-memory.dmp
                                              Filesize

                                              16.7MB

                                            • memory/3560-31-0x0000000000860000-0x000000000191A000-memory.dmp
                                              Filesize

                                              16.7MB

                                            • memory/3560-24-0x0000000000860000-0x000000000191A000-memory.dmp
                                              Filesize

                                              16.7MB

                                            • memory/3560-25-0x0000000000860000-0x000000000191A000-memory.dmp
                                              Filesize

                                              16.7MB

                                            • memory/3560-27-0x0000000000860000-0x000000000191A000-memory.dmp
                                              Filesize

                                              16.7MB

                                            • memory/3560-28-0x0000000000860000-0x000000000191A000-memory.dmp
                                              Filesize

                                              16.7MB

                                            • memory/3560-0-0x0000000000400000-0x0000000000412000-memory.dmp
                                              Filesize

                                              72KB

                                            • memory/3560-34-0x0000000000860000-0x000000000191A000-memory.dmp
                                              Filesize

                                              16.7MB

                                            • memory/3560-6-0x0000000000860000-0x000000000191A000-memory.dmp
                                              Filesize

                                              16.7MB

                                            • memory/3560-23-0x0000000000860000-0x000000000191A000-memory.dmp
                                              Filesize

                                              16.7MB

                                            • memory/3560-35-0x0000000000860000-0x000000000191A000-memory.dmp
                                              Filesize

                                              16.7MB

                                            • memory/3560-38-0x0000000000860000-0x000000000191A000-memory.dmp
                                              Filesize

                                              16.7MB

                                            • memory/3560-40-0x0000000000860000-0x000000000191A000-memory.dmp
                                              Filesize

                                              16.7MB

                                            • memory/3560-43-0x0000000000860000-0x000000000191A000-memory.dmp
                                              Filesize

                                              16.7MB

                                            • memory/3560-44-0x0000000000860000-0x000000000191A000-memory.dmp
                                              Filesize

                                              16.7MB

                                            • memory/3560-47-0x0000000000860000-0x000000000191A000-memory.dmp
                                              Filesize

                                              16.7MB

                                            • memory/3560-48-0x0000000000860000-0x000000000191A000-memory.dmp
                                              Filesize

                                              16.7MB

                                            • memory/3560-54-0x0000000000860000-0x000000000191A000-memory.dmp
                                              Filesize

                                              16.7MB

                                            • memory/3560-55-0x0000000000860000-0x000000000191A000-memory.dmp
                                              Filesize

                                              16.7MB

                                            • memory/3560-58-0x0000000000860000-0x000000000191A000-memory.dmp
                                              Filesize

                                              16.7MB

                                            • memory/3560-60-0x0000000000860000-0x000000000191A000-memory.dmp
                                              Filesize

                                              16.7MB

                                            • memory/3560-62-0x0000000000860000-0x000000000191A000-memory.dmp
                                              Filesize

                                              16.7MB

                                            • memory/3560-64-0x0000000000860000-0x000000000191A000-memory.dmp
                                              Filesize

                                              16.7MB

                                            • memory/3560-65-0x0000000000860000-0x000000000191A000-memory.dmp
                                              Filesize

                                              16.7MB

                                            • memory/3560-67-0x0000000000860000-0x000000000191A000-memory.dmp
                                              Filesize

                                              16.7MB

                                            • memory/3560-68-0x0000000000860000-0x000000000191A000-memory.dmp
                                              Filesize

                                              16.7MB

                                            • memory/3560-69-0x0000000000860000-0x000000000191A000-memory.dmp
                                              Filesize

                                              16.7MB

                                            • memory/3560-72-0x0000000000860000-0x000000000191A000-memory.dmp
                                              Filesize

                                              16.7MB

                                            • memory/3560-76-0x0000000000860000-0x000000000191A000-memory.dmp
                                              Filesize

                                              16.7MB

                                            • memory/3560-32-0x0000000000860000-0x000000000191A000-memory.dmp
                                              Filesize

                                              16.7MB

                                            • memory/3560-1-0x0000000000860000-0x000000000191A000-memory.dmp
                                              Filesize

                                              16.7MB