Analysis

  • max time kernel
    94s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-12-2024 18:05

General

  • Target

    d4e71fd09201811bfc10f5bad727d359f85796902ef65263c5324f73bb56ca1e.dll

  • Size

    120KB

  • MD5

    1834bcbef9e5ed544c51b09047cdd764

  • SHA1

    74fa293179a17105187b90d95d1ccaa59947adca

  • SHA256

    d4e71fd09201811bfc10f5bad727d359f85796902ef65263c5324f73bb56ca1e

  • SHA512

    8c415a6293bcbbd846095cb58f5de4d3cc1add63ec8dbe21680ca81f8beadd42f0ad9e5efea23258b962f3b877e6ce2171a0de49a8464fadb13d178c3adcce28

  • SSDEEP

    3072:5qxOMupR5NCza/6rg7imqZDg4fIOdm0zYgM82:tMuv5kVE7iPZDxfG0g82

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 4 IoCs
  • Windows security modification 2 TTPs 14 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 14 IoCs

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

  • UPX packed file 33 IoCs

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

  • Drops file in Program Files directory 4 IoCs
  • Drops file in Windows directory 3 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 5 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:776
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:772
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:336
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2584
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2648
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2960
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3572
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\d4e71fd09201811bfc10f5bad727d359f85796902ef65263c5324f73bb56ca1e.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:3124
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\d4e71fd09201811bfc10f5bad727d359f85796902ef65263c5324f73bb56ca1e.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:3240
                      • C:\Users\Admin\AppData\Local\Temp\e5783d6.exe
                        C:\Users\Admin\AppData\Local\Temp\e5783d6.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 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:4836
                      • C:\Users\Admin\AppData\Local\Temp\e578618.exe
                        C:\Users\Admin\AppData\Local\Temp\e578618.exe
                        4⤵
                        • Modifies firewall policy service
                        • UAC bypass
                        • Windows security bypass
                        • Executes dropped EXE
                        • Windows security modification
                        • Checks whether UAC is enabled
                        • Drops file in Windows directory
                        • System Location Discovery: System Language Discovery
                        • Suspicious behavior: EnumeratesProcesses
                        • Suspicious use of WriteProcessMemory
                        • System policy modification
                        PID:4904
                      • C:\Users\Admin\AppData\Local\Temp\e579f3d.exe
                        C:\Users\Admin\AppData\Local\Temp\e579f3d.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:760
                      • C:\Users\Admin\AppData\Local\Temp\e579f5d.exe
                        C:\Users\Admin\AppData\Local\Temp\e579f5d.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:868
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3688
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3880
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3972
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:4040
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:2820
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:4120
                            • 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:636
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:5032

                                Network

                                MITRE ATT&CK Enterprise v15

                                Replay Monitor

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                                Downloads

                                • C:\Users\Admin\AppData\Local\Temp\e5783d6.exe

                                  Filesize

                                  97KB

                                  MD5

                                  46d8ffe7be9f2d08d3691e09b57cad3c

                                  SHA1

                                  43f96c7fd65da0f308942ff0c75e3fdbca9bb09a

                                  SHA256

                                  e15cf7075b95bfb788cb3fd4c3d57efbfeaa3a9fbeba9a377e626d9a2bf39667

                                  SHA512

                                  d16ef967b906b8fd208cf44b8cbe90390e5909cf2dc8c47c51159d62444cbb97657ff68ff736afd300eaddc83048a07b25213d58df22a11393a80e21b2b39153

                                • C:\Windows\SYSTEM.INI

                                  Filesize

                                  257B

                                  MD5

                                  ef88c161a181d7aec133b0a40cead2d6

                                  SHA1

                                  7f50b307854bb4790313d0d41b58ce781e0413a3

                                  SHA256

                                  09b7f0081a5f02c83e9b92bbec699c05180129cfc6ad19257942b858878a486d

                                  SHA512

                                  a140f8953253a986109a3543ba0050d73d55e9b4287dc538c8c61ca3b8fdae7c16277a2f7cbdc463f0a5ed827d414e37b5b85bb12e898fb034c6facc71830292

                                • memory/760-55-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/760-74-0x00000000001F0000-0x00000000001F2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/760-71-0x00000000001F0000-0x00000000001F2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/760-67-0x0000000000420000-0x0000000000421000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/760-94-0x00000000001F0000-0x00000000001F2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/760-149-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/868-69-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/868-95-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/868-153-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/868-56-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/868-75-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/868-72-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3240-32-0x0000000000C30000-0x0000000000C32000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3240-22-0x0000000000C30000-0x0000000000C32000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3240-23-0x0000000000C30000-0x0000000000C32000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3240-24-0x00000000041C0000-0x00000000041C1000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/3240-0-0x0000000010000000-0x0000000010020000-memory.dmp

                                  Filesize

                                  128KB

                                • memory/4836-63-0x0000000000730000-0x00000000017EA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4836-11-0x0000000000730000-0x00000000017EA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4836-36-0x0000000000730000-0x00000000017EA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4836-37-0x0000000000730000-0x00000000017EA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4836-38-0x0000000000730000-0x00000000017EA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4836-39-0x0000000000730000-0x00000000017EA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4836-41-0x0000000000730000-0x00000000017EA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4836-42-0x0000000000730000-0x00000000017EA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4836-54-0x0000000000730000-0x00000000017EA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4836-34-0x0000000003660000-0x0000000003662000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4836-29-0x0000000003660000-0x0000000003662000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4836-59-0x0000000000730000-0x00000000017EA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4836-60-0x0000000000730000-0x00000000017EA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4836-27-0x0000000004370000-0x0000000004371000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/4836-62-0x0000000000730000-0x00000000017EA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4836-15-0x0000000000730000-0x00000000017EA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4836-13-0x0000000000730000-0x00000000017EA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4836-14-0x0000000000730000-0x00000000017EA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4836-5-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/4836-6-0x0000000000730000-0x00000000017EA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4836-21-0x0000000000730000-0x00000000017EA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4836-9-0x0000000000730000-0x00000000017EA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4836-12-0x0000000000730000-0x00000000017EA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4836-35-0x0000000000730000-0x00000000017EA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4836-114-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/4836-79-0x0000000000730000-0x00000000017EA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4836-80-0x0000000000730000-0x00000000017EA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4836-83-0x0000000000730000-0x00000000017EA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4836-84-0x0000000000730000-0x00000000017EA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4836-87-0x0000000000730000-0x00000000017EA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4836-88-0x0000000000730000-0x00000000017EA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4836-89-0x0000000000730000-0x00000000017EA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4836-91-0x0000000000730000-0x00000000017EA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4836-97-0x0000000000730000-0x00000000017EA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4836-10-0x0000000000730000-0x00000000017EA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4836-8-0x0000000000730000-0x00000000017EA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4836-102-0x0000000003660000-0x0000000003662000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4904-93-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4904-65-0x0000000000530000-0x0000000000531000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/4904-70-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4904-122-0x0000000000B20000-0x0000000001BDA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4904-145-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/4904-144-0x0000000000B20000-0x0000000001BDA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4904-73-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4904-33-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB