Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/03/2024, 08:25

General

  • Target

    9ba747519b1bfdc6aa7c4fb9bf7222ebd0c23ea19b3ce392d4c638e1d4e1f023.dll

  • Size

    120KB

  • MD5

    a658c126edb566d99545aa49ee5b7939

  • SHA1

    15558004f16df732f9f1c2ffa5a2894730251e3f

  • SHA256

    9ba747519b1bfdc6aa7c4fb9bf7222ebd0c23ea19b3ce392d4c638e1d4e1f023

  • SHA512

    e9804dec891b85205d4e256827d8510752ae1388b2d95b1c2662a8c8fa65ec92bdfe2ef9723ab112daf55d9937af2c44e1b27762ae80b15d773e1c3445bbb0df

  • SSDEEP

    1536:QFdLbDDfA7qphEXlelnJ8kr+1U5ILn534mW4FE0ut5xO:QfDfACEVwnJlr+y5yp47cEjtz

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 27 IoCs
  • UPX dump on OEP (original entry point) 32 IoCs
  • Executes dropped EXE 3 IoCs
  • UPX packed file 27 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 10 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Windows directory 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 58 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:764
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:60
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2888
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2996
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:1080
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3368
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\9ba747519b1bfdc6aa7c4fb9bf7222ebd0c23ea19b3ce392d4c638e1d4e1f023.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:3328
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\9ba747519b1bfdc6aa7c4fb9bf7222ebd0c23ea19b3ce392d4c638e1d4e1f023.dll,#1
                      3⤵
                      • Suspicious use of WriteProcessMemory
                      PID:4568
                      • C:\Users\Admin\AppData\Local\Temp\e573cab.exe
                        C:\Users\Admin\AppData\Local\Temp\e573cab.exe
                        4⤵
                        • Modifies firewall policy service
                        • UAC bypass
                        • Windows security bypass
                        • Executes dropped EXE
                        • Windows security modification
                        • Checks whether UAC is enabled
                        • Enumerates connected drives
                        • Drops file in Windows directory
                        • Suspicious behavior: EnumeratesProcesses
                        • Suspicious use of AdjustPrivilegeToken
                        • Suspicious use of WriteProcessMemory
                        • System policy modification
                        PID:220
                      • C:\Users\Admin\AppData\Local\Temp\e573f0c.exe
                        C:\Users\Admin\AppData\Local\Temp\e573f0c.exe
                        4⤵
                        • Executes dropped EXE
                        PID:2240
                      • C:\Users\Admin\AppData\Local\Temp\e575a84.exe
                        C:\Users\Admin\AppData\Local\Temp\e575a84.exe
                        4⤵
                        • Executes dropped EXE
                        PID:3296
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3524
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3724
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3844
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3912
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:4028
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:3480
                            • 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:4856
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:4480
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppX53ypgrj20bgndg05hj3tc7z654myszwp.mca
                                  1⤵
                                    PID:3776
                                  • C:\Windows\system32\backgroundTaskHost.exe
                                    "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
                                    1⤵
                                      PID:3808
                                    • C:\Windows\system32\backgroundTaskHost.exe
                                      "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                      1⤵
                                        PID:1908
                                      • C:\Windows\System32\RuntimeBroker.exe
                                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                                        1⤵
                                          PID:4684
                                        • C:\Windows\System32\RuntimeBroker.exe
                                          C:\Windows\System32\RuntimeBroker.exe -Embedding
                                          1⤵
                                            PID:2220
                                          • C:\Windows\system32\DllHost.exe
                                            C:\Windows\system32\DllHost.exe /Processid:{AB8902B4-09CA-4BB6-B78D-A8F59079A8D5}
                                            1⤵
                                              PID:1344

                                            Network

                                                  MITRE ATT&CK Enterprise v15

                                                  Replay Monitor

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                                                  Downloads

                                                  • C:\Users\Admin\AppData\Local\Temp\e573cab.exe

                                                    Filesize

                                                    97KB

                                                    MD5

                                                    47cfdb963ab522973d05a7b09e07dfbf

                                                    SHA1

                                                    d4492681fbebe742d22dcee9e65ff8b84bf461d4

                                                    SHA256

                                                    ab4011c02b7de1e5c13191d4a88217a6f43e79d3549d87c9aec3996600a92340

                                                    SHA512

                                                    a57c407de329d7005a2a93e5c4c90d33befedc9b1176121c40412cb6a4e22d77e60119c674c1b9c68c4aabfc9bb33715fec9a16a15b0d87ddeb4213a0313eb71

                                                  • memory/220-36-0x0000000000850000-0x000000000190A000-memory.dmp

                                                    Filesize

                                                    16.7MB

                                                  • memory/220-30-0x0000000000850000-0x000000000190A000-memory.dmp

                                                    Filesize

                                                    16.7MB

                                                  • memory/220-6-0x0000000000850000-0x000000000190A000-memory.dmp

                                                    Filesize

                                                    16.7MB

                                                  • memory/220-8-0x0000000000850000-0x000000000190A000-memory.dmp

                                                    Filesize

                                                    16.7MB

                                                  • memory/220-9-0x0000000000850000-0x000000000190A000-memory.dmp

                                                    Filesize

                                                    16.7MB

                                                  • memory/220-11-0x0000000000850000-0x000000000190A000-memory.dmp

                                                    Filesize

                                                    16.7MB

                                                  • memory/220-96-0x0000000000400000-0x0000000000412000-memory.dmp

                                                    Filesize

                                                    72KB

                                                  • memory/220-77-0x0000000000850000-0x000000000190A000-memory.dmp

                                                    Filesize

                                                    16.7MB

                                                  • memory/220-74-0x0000000000850000-0x000000000190A000-memory.dmp

                                                    Filesize

                                                    16.7MB

                                                  • memory/220-73-0x0000000000620000-0x0000000000622000-memory.dmp

                                                    Filesize

                                                    8KB

                                                  • memory/220-18-0x0000000000630000-0x0000000000631000-memory.dmp

                                                    Filesize

                                                    4KB

                                                  • memory/220-27-0x0000000000620000-0x0000000000622000-memory.dmp

                                                    Filesize

                                                    8KB

                                                  • memory/220-17-0x0000000000850000-0x000000000190A000-memory.dmp

                                                    Filesize

                                                    16.7MB

                                                  • memory/220-71-0x0000000000850000-0x000000000190A000-memory.dmp

                                                    Filesize

                                                    16.7MB

                                                  • memory/220-29-0x0000000000850000-0x000000000190A000-memory.dmp

                                                    Filesize

                                                    16.7MB

                                                  • memory/220-69-0x0000000000850000-0x000000000190A000-memory.dmp

                                                    Filesize

                                                    16.7MB

                                                  • memory/220-31-0x0000000000850000-0x000000000190A000-memory.dmp

                                                    Filesize

                                                    16.7MB

                                                  • memory/220-32-0x0000000000850000-0x000000000190A000-memory.dmp

                                                    Filesize

                                                    16.7MB

                                                  • memory/220-33-0x0000000000850000-0x000000000190A000-memory.dmp

                                                    Filesize

                                                    16.7MB

                                                  • memory/220-34-0x0000000000850000-0x000000000190A000-memory.dmp

                                                    Filesize

                                                    16.7MB

                                                  • memory/220-35-0x0000000000850000-0x000000000190A000-memory.dmp

                                                    Filesize

                                                    16.7MB

                                                  • memory/220-66-0x0000000000850000-0x000000000190A000-memory.dmp

                                                    Filesize

                                                    16.7MB

                                                  • memory/220-5-0x0000000000400000-0x0000000000412000-memory.dmp

                                                    Filesize

                                                    72KB

                                                  • memory/220-37-0x0000000000850000-0x000000000190A000-memory.dmp

                                                    Filesize

                                                    16.7MB

                                                  • memory/220-28-0x0000000000850000-0x000000000190A000-memory.dmp

                                                    Filesize

                                                    16.7MB

                                                  • memory/220-47-0x0000000000850000-0x000000000190A000-memory.dmp

                                                    Filesize

                                                    16.7MB

                                                  • memory/220-48-0x0000000000850000-0x000000000190A000-memory.dmp

                                                    Filesize

                                                    16.7MB

                                                  • memory/220-64-0x0000000000850000-0x000000000190A000-memory.dmp

                                                    Filesize

                                                    16.7MB

                                                  • memory/220-62-0x0000000000850000-0x000000000190A000-memory.dmp

                                                    Filesize

                                                    16.7MB

                                                  • memory/220-59-0x0000000000850000-0x000000000190A000-memory.dmp

                                                    Filesize

                                                    16.7MB

                                                  • memory/220-56-0x0000000000850000-0x000000000190A000-memory.dmp

                                                    Filesize

                                                    16.7MB

                                                  • memory/2240-21-0x0000000000400000-0x0000000000412000-memory.dmp

                                                    Filesize

                                                    72KB

                                                  • memory/2240-53-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                                    Filesize

                                                    8KB

                                                  • memory/2240-51-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                                    Filesize

                                                    8KB

                                                  • memory/2240-50-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                                    Filesize

                                                    4KB

                                                  • memory/2240-98-0x0000000000400000-0x0000000000412000-memory.dmp

                                                    Filesize

                                                    72KB

                                                  • memory/3296-44-0x0000000000400000-0x0000000000412000-memory.dmp

                                                    Filesize

                                                    72KB

                                                  • memory/3296-54-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                                    Filesize

                                                    4KB

                                                  • memory/3296-101-0x0000000000B20000-0x0000000001BDA000-memory.dmp

                                                    Filesize

                                                    16.7MB

                                                  • memory/3296-104-0x0000000000400000-0x0000000000412000-memory.dmp

                                                    Filesize

                                                    72KB

                                                  • memory/4568-13-0x00000000047B0000-0x00000000047B1000-memory.dmp

                                                    Filesize

                                                    4KB

                                                  • memory/4568-41-0x00000000011D0000-0x00000000011D2000-memory.dmp

                                                    Filesize

                                                    8KB

                                                  • memory/4568-12-0x00000000011D0000-0x00000000011D2000-memory.dmp

                                                    Filesize

                                                    8KB

                                                  • memory/4568-10-0x00000000011D0000-0x00000000011D2000-memory.dmp

                                                    Filesize

                                                    8KB

                                                  • memory/4568-2-0x0000000010000000-0x0000000010020000-memory.dmp

                                                    Filesize

                                                    128KB