Analysis

  • max time kernel
    121s
  • max time network
    115s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17/04/2024, 18:38

General

  • Target

    0e56066a38a0216bcd94ee96b36885a16134a196d512277da15987ebd05b6e76.exe

  • Size

    65KB

  • MD5

    0f739e39a63fdbb8f6ab5db33fc7841f

  • SHA1

    e68bac07774b19db176d9f872a7b307d75ddb692

  • SHA256

    0e56066a38a0216bcd94ee96b36885a16134a196d512277da15987ebd05b6e76

  • SHA512

    f6a7ee7b8f12818cf1ac8332aee343f866cddfb1846d32f5dd53c444f0fef883baa27d97f2ba25f6fcfcde008ee160b802db562ae30fbe374616577176f9ccb1

  • SSDEEP

    1536:LZ1DgNcx4995A/Xfw+sgUlBRS1GoklfcRtJ:bgmx4KYkU/RS1Ikl

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 39 IoCs
  • UPX dump on OEP (original entry point) 39 IoCs
  • UPX packed file 39 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 11 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:768
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:772
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:316
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2720
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2732
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2936
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3524
                  • C:\Users\Admin\AppData\Local\Temp\0e56066a38a0216bcd94ee96b36885a16134a196d512277da15987ebd05b6e76.exe
                    "C:\Users\Admin\AppData\Local\Temp\0e56066a38a0216bcd94ee96b36885a16134a196d512277da15987ebd05b6e76.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:444
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3692
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3848
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3940
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:4004
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:4092
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:2856
                            • 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:4052
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:4404
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppX53ypgrj20bgndg05hj3tc7z654myszwp.mca
                                  1⤵
                                    PID:2052
                                  • C:\Windows\system32\backgroundTaskHost.exe
                                    "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
                                    1⤵
                                      PID:2296
                                    • C:\Windows\system32\backgroundTaskHost.exe
                                      "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                      1⤵
                                        PID:1876
                                      • C:\Windows\System32\RuntimeBroker.exe
                                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                                        1⤵
                                          PID:1484
                                        • C:\Windows\System32\RuntimeBroker.exe
                                          C:\Windows\System32\RuntimeBroker.exe -Embedding
                                          1⤵
                                            PID:4284
                                          • C:\Windows\System32\RuntimeBroker.exe
                                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                                            1⤵
                                              PID:2336

                                            Network

                                                  MITRE ATT&CK Enterprise v15

                                                  Replay Monitor

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                                                  Downloads

                                                  • F:\fwthr.exe

                                                    Filesize

                                                    97KB

                                                    MD5

                                                    ec6db6e842e1f2e5eb63df52b788a70a

                                                    SHA1

                                                    3ff90971a88028a5e42a23bbc6c0b601a3647fd5

                                                    SHA256

                                                    5d69d9db806c270ac509e9016205a0001af88c51ecfe3593830c34135a5b4c30

                                                    SHA512

                                                    b412934d27f5be6d3640ca29b13e525a3ad5df0c206de73a961207a68c4456466603e4d6f6bcf690bb44147e03e972104d02ba740bf92b7b7b4b1d193ebf8ced

                                                  • memory/444-31-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                                    Filesize

                                                    16.7MB

                                                  • memory/444-3-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                                    Filesize

                                                    16.7MB

                                                  • memory/444-4-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                                    Filesize

                                                    16.7MB

                                                  • memory/444-7-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                                    Filesize

                                                    16.7MB

                                                  • memory/444-5-0x0000000003DA0000-0x0000000003DA2000-memory.dmp

                                                    Filesize

                                                    8KB

                                                  • memory/444-6-0x0000000003FF0000-0x0000000003FF1000-memory.dmp

                                                    Filesize

                                                    4KB

                                                  • memory/444-9-0x0000000003DA0000-0x0000000003DA2000-memory.dmp

                                                    Filesize

                                                    8KB

                                                  • memory/444-10-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                                    Filesize

                                                    16.7MB

                                                  • memory/444-16-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                                    Filesize

                                                    16.7MB

                                                  • memory/444-17-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                                    Filesize

                                                    16.7MB

                                                  • memory/444-18-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                                    Filesize

                                                    16.7MB

                                                  • memory/444-19-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                                    Filesize

                                                    16.7MB

                                                  • memory/444-20-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                                    Filesize

                                                    16.7MB

                                                  • memory/444-21-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                                    Filesize

                                                    16.7MB

                                                  • memory/444-22-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                                    Filesize

                                                    16.7MB

                                                  • memory/444-23-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                                    Filesize

                                                    16.7MB

                                                  • memory/444-24-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                                    Filesize

                                                    16.7MB

                                                  • memory/444-25-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                                    Filesize

                                                    16.7MB

                                                  • memory/444-27-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                                    Filesize

                                                    16.7MB

                                                  • memory/444-28-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                                    Filesize

                                                    16.7MB

                                                  • memory/444-32-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                                    Filesize

                                                    16.7MB

                                                  • memory/444-29-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                                    Filesize

                                                    16.7MB

                                                  • memory/444-0-0x0000000000400000-0x0000000000412000-memory.dmp

                                                    Filesize

                                                    72KB

                                                  • memory/444-34-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                                    Filesize

                                                    16.7MB

                                                  • memory/444-36-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                                    Filesize

                                                    16.7MB

                                                  • memory/444-39-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                                    Filesize

                                                    16.7MB

                                                  • memory/444-41-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                                    Filesize

                                                    16.7MB

                                                  • memory/444-43-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                                    Filesize

                                                    16.7MB

                                                  • memory/444-50-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                                    Filesize

                                                    16.7MB

                                                  • memory/444-52-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                                    Filesize

                                                    16.7MB

                                                  • memory/444-54-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                                    Filesize

                                                    16.7MB

                                                  • memory/444-56-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                                    Filesize

                                                    16.7MB

                                                  • memory/444-58-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                                    Filesize

                                                    16.7MB

                                                  • memory/444-60-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                                    Filesize

                                                    16.7MB

                                                  • memory/444-62-0x0000000003DA0000-0x0000000003DA2000-memory.dmp

                                                    Filesize

                                                    8KB

                                                  • memory/444-63-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                                    Filesize

                                                    16.7MB

                                                  • memory/444-65-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                                    Filesize

                                                    16.7MB

                                                  • memory/444-67-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                                    Filesize

                                                    16.7MB

                                                  • memory/444-69-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                                    Filesize

                                                    16.7MB

                                                  • memory/444-71-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                                    Filesize

                                                    16.7MB

                                                  • memory/444-73-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                                    Filesize

                                                    16.7MB

                                                  • memory/444-76-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                                    Filesize

                                                    16.7MB

                                                  • memory/444-77-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                                    Filesize

                                                    16.7MB

                                                  • memory/444-1-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                                    Filesize

                                                    16.7MB