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Analysis

  • max time kernel
    122s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/09/2024, 12:47

General

  • Target

    aff76be81993f0cac2cdc90dd3ad42e649c3a3aca8444279895d161fafb4fe8f.exe

  • Size

    127KB

  • MD5

    ec7878635e4a8fbac405cea37c944f01

  • SHA1

    c905dad6a57e4c50b610e0e29f28455a5a9701ae

  • SHA256

    aff76be81993f0cac2cdc90dd3ad42e649c3a3aca8444279895d161fafb4fe8f

  • SHA512

    2a700c494933030d09a611f5cd72721786a0beb76196b3390a2997ef953a6636edfe42a4211f495436820ab862a3cb66a9717d61bdb665174c6916bc926ab7e5

  • SSDEEP

    1536:9v+L1/hV9z0zFxRoLOUprdmu+KZ66SGaoNA5IBYamQdFNZFu2+EnRHoD7yMCU:9GLlD6zRoLOUppmVhHamubu9uHXLU

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.

  • 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 1 IoCs
  • 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.

  • 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:380
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2512
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2536
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2640
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3368
                  • C:\Users\Admin\AppData\Local\Temp\aff76be81993f0cac2cdc90dd3ad42e649c3a3aca8444279895d161fafb4fe8f.exe
                    "C:\Users\Admin\AppData\Local\Temp\aff76be81993f0cac2cdc90dd3ad42e649c3a3aca8444279895d161fafb4fe8f.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
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious use of AdjustPrivilegeToken
                    • Suspicious use of WriteProcessMemory
                    • System policy modification
                    PID:1388
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3628
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3800
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3916
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3980
                        • 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\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:3552
                            • 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:2604
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:456

                                Network

                                MITRE ATT&CK Enterprise v15

                                Replay Monitor

                                Loading Replay Monitor...

                                Downloads

                                • F:\ednap.exe

                                  Filesize

                                  100KB

                                  MD5

                                  56dd26e6d7d050f927e23df87dee2d74

                                  SHA1

                                  e58ec108ba6cabd606c33471182a98debfabd936

                                  SHA256

                                  2fa3b612f64ed41e559e45844b48a9732781c3de83b893abc7cb984eefc647b6

                                  SHA512

                                  5b65b7e80ef626e3b528e680272a00f5519596169b9262ced99e5bf63ca27d7736727654a6b0ab4973c6e877b44ada1d5c0d6dfeea82e83edfdbf92c8f004066

                                • memory/1388-29-0x0000000000B80000-0x0000000001C0E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1388-15-0x0000000000B80000-0x0000000001C0E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1388-5-0x0000000000B80000-0x0000000001C0E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1388-14-0x0000000003B00000-0x0000000003B02000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/1388-13-0x0000000000B80000-0x0000000001C0E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1388-10-0x0000000000B80000-0x0000000001C0E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1388-9-0x0000000000B80000-0x0000000001C0E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1388-8-0x0000000000B80000-0x0000000001C0E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1388-3-0x0000000000B80000-0x0000000001C0E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1388-7-0x0000000003D50000-0x0000000003D51000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/1388-12-0x0000000003B00000-0x0000000003B02000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/1388-11-0x0000000000B80000-0x0000000001C0E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1388-0-0x0000000000400000-0x0000000000423000-memory.dmp

                                  Filesize

                                  140KB

                                • memory/1388-16-0x0000000000B80000-0x0000000001C0E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1388-17-0x0000000000B80000-0x0000000001C0E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1388-18-0x0000000000B80000-0x0000000001C0E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1388-20-0x0000000000B80000-0x0000000001C0E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1388-19-0x0000000000B80000-0x0000000001C0E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1388-22-0x0000000000B80000-0x0000000001C0E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1388-23-0x0000000000B80000-0x0000000001C0E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1388-24-0x0000000000B80000-0x0000000001C0E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1388-26-0x0000000000B80000-0x0000000001C0E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1388-4-0x0000000000B80000-0x0000000001C0E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1388-27-0x0000000003B00000-0x0000000003B02000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/1388-45-0x0000000000B80000-0x0000000001C0E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1388-32-0x0000000000B80000-0x0000000001C0E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1388-34-0x0000000000B80000-0x0000000001C0E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1388-36-0x0000000000B80000-0x0000000001C0E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1388-39-0x0000000000B80000-0x0000000001C0E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1388-42-0x0000000000B80000-0x0000000001C0E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1388-44-0x0000000000B80000-0x0000000001C0E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1388-31-0x0000000000B80000-0x0000000001C0E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1388-46-0x0000000000B80000-0x0000000001C0E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1388-52-0x0000000000B80000-0x0000000001C0E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1388-53-0x0000000000B80000-0x0000000001C0E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1388-55-0x0000000000B80000-0x0000000001C0E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1388-58-0x0000000000B80000-0x0000000001C0E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1388-60-0x0000000000B80000-0x0000000001C0E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1388-62-0x0000000000B80000-0x0000000001C0E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1388-64-0x0000000000B80000-0x0000000001C0E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1388-65-0x0000000000B80000-0x0000000001C0E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1388-66-0x0000000000B80000-0x0000000001C0E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1388-67-0x0000000000B80000-0x0000000001C0E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1388-68-0x0000000000B80000-0x0000000001C0E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1388-70-0x0000000000B80000-0x0000000001C0E000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/1388-6-0x0000000003B00000-0x0000000003B02000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/1388-79-0x0000000000400000-0x0000000000423000-memory.dmp

                                  Filesize

                                  140KB