Analysis

  • max time kernel
    92s
  • 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
    19-12-2024 00:19

General

  • Target

    498888b0ce809905ff50e4a417694564df6dac972749f9783856845776424bf0N.dll

  • Size

    120KB

  • MD5

    bffe1a75b8db962292cddd50ecaacd20

  • SHA1

    2c6a15835e2ae91e5a40ecbcba910080fc07ca8e

  • SHA256

    498888b0ce809905ff50e4a417694564df6dac972749f9783856845776424bf0

  • SHA512

    423d547c19c0179183323ee1676504a9934fde367e99bcfeb7b4d2e233ed466b27e9d1a6fbb0017fa9b5ea0d03c1163e42c8409f3e2eede8f12e1a6095493653

  • SSDEEP

    1536:oFQvcUbfQdtPOZd2T2WiH0Ab8d4O2240r9L0E9926Or/ttsXQGaSqQHn141Sbb6S:oFiv0iZdoU0Ab8dH2Or0r/6cQ14AboO

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 3 TTPs 6 IoCs
  • Sality

    Sality is backdoor written in C++, first discovered in 2003.

  • Sality family
  • UAC bypass 3 TTPs 2 IoCs
  • Windows security bypass 2 TTPs 12 IoCs
  • Executes dropped EXE 3 IoCs
  • Windows security modification 2 TTPs 14 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 12 IoCs

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

  • UPX packed file 26 IoCs

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

  • Drops file in Windows directory 3 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:772
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:776
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:1016
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2532
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2552
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2660
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3484
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\498888b0ce809905ff50e4a417694564df6dac972749f9783856845776424bf0N.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:1876
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\498888b0ce809905ff50e4a417694564df6dac972749f9783856845776424bf0N.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:5112
                      • C:\Users\Admin\AppData\Local\Temp\e579be2.exe
                        C:\Users\Admin\AppData\Local\Temp\e579be2.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
                        • System Location Discovery: System Language Discovery
                        • Suspicious behavior: EnumeratesProcesses
                        • Suspicious use of AdjustPrivilegeToken
                        • Suspicious use of WriteProcessMemory
                        • System policy modification
                        PID:2280
                      • C:\Users\Admin\AppData\Local\Temp\e579d98.exe
                        C:\Users\Admin\AppData\Local\Temp\e579d98.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:1180
                      • C:\Users\Admin\AppData\Local\Temp\e57c246.exe
                        C:\Users\Admin\AppData\Local\Temp\e57c246.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
                        • System Location Discovery: System Language Discovery
                        • Suspicious behavior: EnumeratesProcesses
                        • Suspicious use of WriteProcessMemory
                        • System policy modification
                        PID:2972
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3644
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3828
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3924
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3984
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:4076
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:3860
                            • 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:3272
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:4896
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                  1⤵
                                    PID:1624
                                  • C:\Windows\system32\backgroundTaskHost.exe
                                    "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                    1⤵
                                      PID:3940

                                    Network

                                    MITRE ATT&CK Enterprise v15

                                    Replay Monitor

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                                    Downloads

                                    • C:\Users\Admin\AppData\Local\Temp\e579be2.exe

                                      Filesize

                                      97KB

                                      MD5

                                      e84f54d47b930ba8633255a2f9423817

                                      SHA1

                                      82fdb704d9a52e9264e71af31fd07a28edd1f85b

                                      SHA256

                                      8bfe4715bace15d37f82bac01e2a231ac09719a40a23c101a8f06bfe622ae563

                                      SHA512

                                      780d42e1fc6081ed617975a2d2f6302e5bd40108c4bede61d925d3f4a3d99fa55775027fffaab8052b2c15fcc97dcb52bacc0b7d33d7b850844c6ed3b3c58b3b

                                    • C:\Windows\SYSTEM.INI

                                      Filesize

                                      257B

                                      MD5

                                      153754841c3ae382386be52f8acf19e8

                                      SHA1

                                      a363f50b030c94cd0aa029d3052d85d4a78578f4

                                      SHA256

                                      0259a12c35285b453d25f55e53c09cb743b2b10097d7d80ed98bb8f42a0a85c6

                                      SHA512

                                      11f02f7f202af19b527aba3df76aa06ee7ba9256694789b0ca42236b8027ff3a8000d711ec89b48612194874d93c8b700867d9ea95ffafabeb5200dc5a13d67c

                                    • memory/1180-54-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/1180-96-0x0000000000400000-0x0000000000412000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/1180-72-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/1180-49-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/1180-52-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/2280-38-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2280-56-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2280-34-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2280-12-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2280-27-0x0000000001A30000-0x0000000001A32000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/2280-30-0x0000000001A30000-0x0000000001A32000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/2280-22-0x0000000001A40000-0x0000000001A41000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/2280-4-0x0000000000400000-0x0000000000412000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/2280-8-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2280-13-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2280-92-0x0000000000400000-0x0000000000412000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/2280-10-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2280-9-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2280-36-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2280-35-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2280-37-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2280-39-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2280-80-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2280-11-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2280-69-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2280-67-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2280-33-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2280-26-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2280-31-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2280-65-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2280-58-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2280-59-0x0000000001A30000-0x0000000001A32000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/2280-60-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2280-61-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2280-63-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2972-55-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/2972-53-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/2972-51-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/2972-73-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/2972-107-0x0000000000B60000-0x0000000001C1A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2972-145-0x0000000000400000-0x0000000000412000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/2972-144-0x0000000000B60000-0x0000000001C1A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/5112-29-0x0000000002F40000-0x0000000002F42000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/5112-0-0x0000000010000000-0x0000000010020000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/5112-19-0x0000000002F40000-0x0000000002F42000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/5112-23-0x0000000002F40000-0x0000000002F42000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/5112-20-0x0000000003110000-0x0000000003111000-memory.dmp

                                      Filesize

                                      4KB