Analysis

  • max time kernel
    93s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250129-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-02-2025 18:05

General

  • Target

    fc736e93016a9aff9e8e60b9533477f9e1537f2431846a40059dd2048e641bad.dll

  • Size

    120KB

  • MD5

    4725673598c0317d330b283b0c462a60

  • SHA1

    bbcca52296f2599c717ea688aacf3f0eb8521df3

  • SHA256

    fc736e93016a9aff9e8e60b9533477f9e1537f2431846a40059dd2048e641bad

  • SHA512

    d266da2cf5826d4e525b724bda7884305f8c3b32458e79e8399cc053bcaec64cc84b6aee2c3e5d0d94fe691326f979c74272c02adaf6d751aeb2d332574cc98e

  • SSDEEP

    3072:fBe7dbYGQzhao5AKHO9wWTiypxKxOK8nq90GKwnmB/:pe7hz4hN5A+aiyHCOo6+2

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 3 IoCs
  • Sality

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

  • Sality family
  • UAC bypass 3 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 6 IoCs
  • Executes dropped EXE 4 IoCs
  • Windows security modification 2 TTPs 7 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 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 32 IoCs

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

  • Drops file in Program Files directory 4 IoCs
  • Drops file in Windows directory 2 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 60 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:784
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:788
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:332
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:3104
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:3144
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:3196
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3488
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\fc736e93016a9aff9e8e60b9533477f9e1537f2431846a40059dd2048e641bad.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:2136
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\fc736e93016a9aff9e8e60b9533477f9e1537f2431846a40059dd2048e641bad.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:2100
                      • C:\Users\Admin\AppData\Local\Temp\e578899.exe
                        C:\Users\Admin\AppData\Local\Temp\e578899.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:1244
                      • C:\Users\Admin\AppData\Local\Temp\e578a3e.exe
                        C:\Users\Admin\AppData\Local\Temp\e578a3e.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:4820
                      • C:\Users\Admin\AppData\Local\Temp\e57a44e.exe
                        C:\Users\Admin\AppData\Local\Temp\e57a44e.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:1228
                      • C:\Users\Admin\AppData\Local\Temp\e57a46e.exe
                        C:\Users\Admin\AppData\Local\Temp\e57a46e.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:860
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3600
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3792
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3904
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3964
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:4044
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:3852
                            • C:\Windows\System32\RuntimeBroker.exe
                              C:\Windows\System32\RuntimeBroker.exe -Embedding
                              1⤵
                                PID:4392
                              • 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:4340
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                  1⤵
                                    PID:5028
                                  • C:\Windows\system32\backgroundTaskHost.exe
                                    "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
                                    1⤵
                                      PID:4640
                                    • C:\Windows\system32\BackgroundTaskHost.exe
                                      "C:\Windows\system32\BackgroundTaskHost.exe" -ServerName:BackgroundTaskHost.WebAccountProvider
                                      1⤵
                                        PID:3912
                                      • C:\Windows\System32\RuntimeBroker.exe
                                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                                        1⤵
                                          PID:1316
                                        • C:\Windows\System32\RuntimeBroker.exe
                                          C:\Windows\System32\RuntimeBroker.exe -Embedding
                                          1⤵
                                            PID:3272

                                          Network

                                          MITRE ATT&CK Enterprise v15

                                          Replay Monitor

                                          Loading Replay Monitor...

                                          Downloads

                                          • C:\Users\Admin\AppData\Local\Temp\e578899.exe

                                            Filesize

                                            97KB

                                            MD5

                                            c02d77076a894bd8ab89ac844ec24411

                                            SHA1

                                            6c7968642471708060b007e70f189897e84b1f02

                                            SHA256

                                            ad32a2d775c2a3886100d250cb99768ccc43ee9c4bf89d8e663c3be11b2bdfad

                                            SHA512

                                            f75768a4c7120288868317b6aacc1774556a2839fd2e9e634512a735559dc8ab57f45300b954aeb1ba0e70c2314ff7ecd709facd8410dbf1983ac4fd7bc89d93

                                          • memory/860-56-0x0000000000400000-0x0000000000412000-memory.dmp

                                            Filesize

                                            72KB

                                          • memory/860-131-0x0000000000400000-0x0000000000412000-memory.dmp

                                            Filesize

                                            72KB

                                          • memory/860-123-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                            Filesize

                                            8KB

                                          • memory/860-71-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                            Filesize

                                            4KB

                                          • memory/860-72-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                            Filesize

                                            8KB

                                          • memory/860-73-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                            Filesize

                                            8KB

                                          • memory/1228-127-0x0000000000400000-0x0000000000412000-memory.dmp

                                            Filesize

                                            72KB

                                          • memory/1228-90-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                            Filesize

                                            8KB

                                          • memory/1228-69-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                            Filesize

                                            8KB

                                          • memory/1228-68-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                            Filesize

                                            4KB

                                          • memory/1228-55-0x0000000000400000-0x0000000000412000-memory.dmp

                                            Filesize

                                            72KB

                                          • memory/1244-30-0x00000000006E0000-0x00000000006E2000-memory.dmp

                                            Filesize

                                            8KB

                                          • memory/1244-11-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1244-26-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1244-4-0x0000000000400000-0x0000000000412000-memory.dmp

                                            Filesize

                                            72KB

                                          • memory/1244-9-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1244-10-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1244-8-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1244-6-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1244-33-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1244-35-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1244-36-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1244-37-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1244-38-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1244-39-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1244-41-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1244-42-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1244-54-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1244-28-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1244-22-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1244-59-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1244-60-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1244-102-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1244-21-0x0000000003E60000-0x0000000003E61000-memory.dmp

                                            Filesize

                                            4KB

                                          • memory/1244-118-0x0000000000400000-0x0000000000412000-memory.dmp

                                            Filesize

                                            72KB

                                          • memory/1244-25-0x00000000006E0000-0x00000000006E2000-memory.dmp

                                            Filesize

                                            8KB

                                          • memory/1244-109-0x00000000006E0000-0x00000000006E2000-memory.dmp

                                            Filesize

                                            8KB

                                          • memory/1244-99-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1244-92-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1244-91-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1244-74-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1244-75-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1244-80-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1244-79-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1244-83-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1244-84-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1244-17-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1244-88-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1244-89-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/2100-23-0x0000000000C00000-0x0000000000C02000-memory.dmp

                                            Filesize

                                            8KB

                                          • memory/2100-19-0x0000000000C50000-0x0000000000C51000-memory.dmp

                                            Filesize

                                            4KB

                                          • memory/2100-18-0x0000000000C00000-0x0000000000C02000-memory.dmp

                                            Filesize

                                            8KB

                                          • memory/2100-29-0x0000000000C00000-0x0000000000C02000-memory.dmp

                                            Filesize

                                            8KB

                                          • memory/2100-0-0x0000000010000000-0x0000000010020000-memory.dmp

                                            Filesize

                                            128KB

                                          • memory/4820-85-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                            Filesize

                                            8KB

                                          • memory/4820-63-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                            Filesize

                                            4KB

                                          • memory/4820-64-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                            Filesize

                                            8KB

                                          • memory/4820-65-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                            Filesize

                                            8KB

                                          • memory/4820-34-0x0000000000400000-0x0000000000412000-memory.dmp

                                            Filesize

                                            72KB

                                          • memory/4820-122-0x0000000000400000-0x0000000000412000-memory.dmp

                                            Filesize

                                            72KB