Analysis

  • max time kernel
    119s
  • 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
    10-12-2024 22:25

General

  • Target

    fb2bee37b1426340583b4d6f6b4371de970d42be945eba7162fb78b1e8baddc9N.exe

  • Size

    100KB

  • MD5

    cc8012210b5b9bde6b89391267dfe780

  • SHA1

    901f7b80cf62e42cd7a3cba4c7e437d899546ce1

  • SHA256

    fb2bee37b1426340583b4d6f6b4371de970d42be945eba7162fb78b1e8baddc9

  • SHA512

    fc860bcef0247dddb5ae56ac728b30ffd2a2edcd2314d7c726e8a8b5480910c43b7f5561330d0f59ef70e21778230e987ae6bfb75dc31a1ae559cd298de4f026

  • SSDEEP

    3072:ClmPJNSSJhZHN9mN0DuoWjr0Tv7ubsSKl:/PJNNzmJVro79H

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

http://www.klkjwre9fqwieluoi.info/

http://kukutrustnet777888.info/

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 39 IoCs

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

  • Drops file in Program Files directory 11 IoCs
  • Drops file in Windows directory 1 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:784
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:792
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:1016
        • 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:2780
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2092
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3524
                  • C:\Users\Admin\AppData\Local\Temp\fb2bee37b1426340583b4d6f6b4371de970d42be945eba7162fb78b1e8baddc9N.exe
                    "C:\Users\Admin\AppData\Local\Temp\fb2bee37b1426340583b4d6f6b4371de970d42be945eba7162fb78b1e8baddc9N.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:4892
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3668
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3852
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3964
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:4028
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:3436
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:4208
                            • 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:5032
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:4336

                                Network

                                MITRE ATT&CK Enterprise v15

                                Replay Monitor

                                Loading Replay Monitor...

                                Downloads

                                • F:\smmxg.exe

                                  Filesize

                                  100KB

                                  MD5

                                  44bfe169d9a0a6586418d7cd7b13d6fb

                                  SHA1

                                  2f4397aec12a73197f60db6f45c7a6c1a0bd55c8

                                  SHA256

                                  3eff2182ab5589c9d186e534173c46607899965762f0e237ec53d6b9db86eee2

                                  SHA512

                                  88004140b7e7ad405d0025261ef1b3fd420968c7110164f246bcbb33906847960e88a895a1445ce3862036005ced6bd9bb05bcb6add63b9f12f6ac221d050650

                                • memory/4892-24-0x00000000022C0000-0x000000000334E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4892-1-0x00000000022C0000-0x000000000334E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4892-3-0x00000000022C0000-0x000000000334E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4892-5-0x00000000022C0000-0x000000000334E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4892-11-0x00000000044A0000-0x00000000044A2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4892-12-0x00000000044A0000-0x00000000044A2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4892-6-0x00000000022C0000-0x000000000334E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4892-7-0x00000000022C0000-0x000000000334E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4892-9-0x00000000045F0000-0x00000000045F1000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/4892-8-0x00000000044A0000-0x00000000044A2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4892-10-0x00000000022C0000-0x000000000334E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4892-13-0x00000000022C0000-0x000000000334E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4892-14-0x00000000022C0000-0x000000000334E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4892-15-0x00000000022C0000-0x000000000334E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4892-16-0x00000000022C0000-0x000000000334E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4892-17-0x00000000022C0000-0x000000000334E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4892-25-0x00000000044A0000-0x00000000044A2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4892-19-0x00000000022C0000-0x000000000334E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4892-21-0x00000000022C0000-0x000000000334E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4892-22-0x00000000022C0000-0x000000000334E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4892-23-0x00000000022C0000-0x000000000334E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4892-0-0x0000000000400000-0x0000000000414000-memory.dmp

                                  Filesize

                                  80KB

                                • memory/4892-30-0x00000000022C0000-0x000000000334E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4892-4-0x00000000022C0000-0x000000000334E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4892-18-0x00000000022C0000-0x000000000334E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4892-32-0x00000000022C0000-0x000000000334E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4892-33-0x00000000022C0000-0x000000000334E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4892-36-0x00000000022C0000-0x000000000334E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4892-38-0x00000000022C0000-0x000000000334E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4892-39-0x00000000022C0000-0x000000000334E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4892-41-0x00000000022C0000-0x000000000334E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4892-43-0x00000000022C0000-0x000000000334E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4892-44-0x00000000022C0000-0x000000000334E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4892-47-0x00000000022C0000-0x000000000334E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4892-49-0x00000000022C0000-0x000000000334E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4892-50-0x00000000022C0000-0x000000000334E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4892-51-0x00000000022C0000-0x000000000334E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4892-57-0x00000000022C0000-0x000000000334E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4892-58-0x00000000022C0000-0x000000000334E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4892-61-0x00000000022C0000-0x000000000334E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4892-63-0x00000000022C0000-0x000000000334E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4892-65-0x00000000022C0000-0x000000000334E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4892-66-0x00000000022C0000-0x000000000334E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4892-69-0x00000000022C0000-0x000000000334E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4892-27-0x00000000022C0000-0x000000000334E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4892-78-0x0000000000400000-0x0000000000414000-memory.dmp

                                  Filesize

                                  80KB