Analysis

  • max time kernel
    130s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/02/2024, 21:55

General

  • Target

    0687cd0cce318a55aa8486c3aef8ae063ad74d9414f1ece6a1c411da79ad7613.exe

  • Size

    3.0MB

  • MD5

    ca5633884f1c2afe5fb697a2eb8e6ceb

  • SHA1

    430274f0f8397c09ffe863da74b616f0042e327d

  • SHA256

    0687cd0cce318a55aa8486c3aef8ae063ad74d9414f1ece6a1c411da79ad7613

  • SHA512

    b2b2cf1e38ac2ccf09ba9b57505e0f65c9db1aeb54001c2621b1a231b40ff4df24939f17350908963151fedd835f061075c7f2d6f293ce2fb707ac73ca502b33

  • SSDEEP

    98304:81KtVejknMTKCr3Zk2jlEHCluHHYmCR4ZKE:yVzZqCluHHYR2n

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
  • UPX packed file 37 IoCs

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

  • Windows security modification 2 TTPs 7 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 20 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 11 IoCs
  • Drops file in Windows directory 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 44 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\dwm.exe
    "dwm.exe"
    1⤵
      PID:380
    • C:\Windows\system32\taskhostw.exe
      taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
      1⤵
        PID:2668
      • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
        "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
        1⤵
          PID:3920
        • C:\Windows\System32\RuntimeBroker.exe
          C:\Windows\System32\RuntimeBroker.exe -Embedding
          1⤵
            PID:3988
          • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
            "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
            1⤵
              PID:4068
            • C:\Windows\system32\DllHost.exe
              C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
              1⤵
                PID:3812
              • C:\Windows\system32\svchost.exe
                C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                1⤵
                  PID:3616
                • C:\Windows\Explorer.EXE
                  C:\Windows\Explorer.EXE
                  1⤵
                    PID:3284
                    • C:\Users\Admin\AppData\Local\Temp\0687cd0cce318a55aa8486c3aef8ae063ad74d9414f1ece6a1c411da79ad7613.exe
                      "C:\Users\Admin\AppData\Local\Temp\0687cd0cce318a55aa8486c3aef8ae063ad74d9414f1ece6a1c411da79ad7613.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
                      • Suspicious behavior: EnumeratesProcesses
                      • Suspicious use of AdjustPrivilegeToken
                      • Suspicious use of WriteProcessMemory
                      • System policy modification
                      PID:4852
                  • C:\Windows\System32\RuntimeBroker.exe
                    C:\Windows\System32\RuntimeBroker.exe -Embedding
                    1⤵
                      PID:3880
                    • C:\Windows\system32\svchost.exe
                      C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                      1⤵
                        PID:2572
                      • C:\Windows\system32\sihost.exe
                        sihost.exe
                        1⤵
                          PID:2528
                        • 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:2152
                          • C:\Windows\system32\fontdrvhost.exe
                            "fontdrvhost.exe"
                            1⤵
                              PID:800
                            • C:\Windows\system32\fontdrvhost.exe
                              "fontdrvhost.exe"
                              1⤵
                                PID:792
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:3200

                                Network

                                      MITRE ATT&CK Enterprise v15

                                      Replay Monitor

                                      Loading Replay Monitor...

                                      Downloads

                                      • F:\gkkeeg.pif

                                        Filesize

                                        97KB

                                        MD5

                                        9d5e62d96f7ab9c6925486b83e7b634c

                                        SHA1

                                        66597faea9c89992220a3d8ac16f2be9475d3eb8

                                        SHA256

                                        883f87c0065f8c7fc9e137a22a5f0268d5ef16b2dabbce346cee3d149fe0b08b

                                        SHA512

                                        b1a3dd83c467f1a4829782ea3dc123837a91bb83988007761a1fccd7835957aef68e0ad3164b82bc4b1ce3241ab3ddb80b3b259e1ee5c76376154fcf7acff50d

                                      • memory/4852-28-0x00000000026E0000-0x000000000379A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4852-31-0x00000000026E0000-0x000000000379A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4852-34-0x00000000026E0000-0x000000000379A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4852-8-0x00000000040F0000-0x00000000040F2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/4852-6-0x0000000004EA0000-0x0000000004EA1000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/4852-9-0x00000000026E0000-0x000000000379A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4852-5-0x00000000040F0000-0x00000000040F2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/4852-10-0x00000000026E0000-0x000000000379A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4852-16-0x00000000026E0000-0x000000000379A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4852-17-0x00000000026E0000-0x000000000379A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4852-18-0x00000000026E0000-0x000000000379A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4852-19-0x00000000026E0000-0x000000000379A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4852-20-0x00000000026E0000-0x000000000379A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4852-21-0x00000000026E0000-0x000000000379A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4852-22-0x00000000026E0000-0x000000000379A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4852-23-0x00000000026E0000-0x000000000379A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4852-24-0x00000000026E0000-0x000000000379A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4852-25-0x00000000026E0000-0x000000000379A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4852-27-0x00000000026E0000-0x000000000379A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4852-0-0x0000000000400000-0x000000000070D000-memory.dmp

                                        Filesize

                                        3.1MB

                                      • memory/4852-3-0x00000000026E0000-0x000000000379A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4852-29-0x00000000026E0000-0x000000000379A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4852-4-0x00000000026E0000-0x000000000379A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4852-36-0x00000000026E0000-0x000000000379A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4852-38-0x00000000026E0000-0x000000000379A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4852-41-0x00000000026E0000-0x000000000379A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4852-43-0x00000000026E0000-0x000000000379A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4852-45-0x00000000026E0000-0x000000000379A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4852-47-0x00000000026E0000-0x000000000379A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4852-49-0x00000000026E0000-0x000000000379A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4852-51-0x00000000026E0000-0x000000000379A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4852-53-0x00000000026E0000-0x000000000379A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4852-55-0x00000000026E0000-0x000000000379A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4852-57-0x00000000040F0000-0x00000000040F2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/4852-58-0x00000000026E0000-0x000000000379A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4852-60-0x00000000026E0000-0x000000000379A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4852-67-0x00000000026E0000-0x000000000379A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4852-69-0x00000000026E0000-0x000000000379A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4852-71-0x00000000026E0000-0x000000000379A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4852-73-0x00000000026E0000-0x000000000379A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4852-75-0x00000000026E0000-0x000000000379A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4852-1-0x00000000026E0000-0x000000000379A000-memory.dmp

                                        Filesize

                                        16.7MB