Analysis

  • max time kernel
    95s
  • max time network
    141s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/11/2024, 03:34

General

  • Target

    3ad879c2b2800ab4bbea43589d2673efbde2f870b2273509eab9eaf040c9728aN.dll

  • Size

    120KB

  • MD5

    817e9dacb5b8773238380f76e4348180

  • SHA1

    bb8a2ebe6d1b0f3b4eea17fc3f7aee6705af727d

  • SHA256

    3ad879c2b2800ab4bbea43589d2673efbde2f870b2273509eab9eaf040c9728a

  • SHA512

    edde71ba00211057e7a614e3fe8a24aef8bd3e185306329dff1015b491c8ecda5d25a18802e36449a491df516c2f08524f246d8837864b5140abd5e6c8479c35

  • SSDEEP

    1536:xZoPPJtIPlmNZ2VfcLBMHRRbnoBaZEoaUQH4oZ3x3Ej5A0m7Mb3fVT1B:GhttNZ2CLa/bnoQioaUP+44Wt1B

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 15 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:804
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:812
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:396
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2648
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2676
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2884
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3444
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\3ad879c2b2800ab4bbea43589d2673efbde2f870b2273509eab9eaf040c9728aN.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:4544
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\3ad879c2b2800ab4bbea43589d2673efbde2f870b2273509eab9eaf040c9728aN.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:4796
                      • C:\Users\Admin\AppData\Local\Temp\e577762.exe
                        C:\Users\Admin\AppData\Local\Temp\e577762.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:864
                      • C:\Users\Admin\AppData\Local\Temp\e577908.exe
                        C:\Users\Admin\AppData\Local\Temp\e577908.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:1540
                      • C:\Users\Admin\AppData\Local\Temp\e5792ab.exe
                        C:\Users\Admin\AppData\Local\Temp\e5792ab.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:1276
                      • C:\Users\Admin\AppData\Local\Temp\e5792da.exe
                        C:\Users\Admin\AppData\Local\Temp\e5792da.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:4536
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3656
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3844
                    • 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:4012
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:672
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:3488
                            • 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:2448
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:2668
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                  1⤵
                                    PID:452
                                  • C:\Windows\System32\RuntimeBroker.exe
                                    C:\Windows\System32\RuntimeBroker.exe -Embedding
                                    1⤵
                                      PID:1956
                                    • C:\Windows\System32\RuntimeBroker.exe
                                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                                      1⤵
                                        PID:2460

                                      Network

                                            MITRE ATT&CK Enterprise v15

                                            Replay Monitor

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                                            Downloads

                                            • C:\Users\Admin\AppData\Local\Temp\e577762.exe

                                              Filesize

                                              97KB

                                              MD5

                                              1533ebac136efa69caa3cc580643f172

                                              SHA1

                                              a031ed4833fa6f7a9442df63688c4c932fbbef4c

                                              SHA256

                                              b6bef51c4b617dfc72802416539bfa58f25a8650fd665f0932d11f77ab88463f

                                              SHA512

                                              e4b8521396b6d466480dbf255daa9bc0749c7acb48f9c67838fb4b2e4c4a3070d15daebbdf9538f7e4e1659e3de904d0612205214a9b5a22285beb4a73d9e8de

                                            • C:\Windows\SYSTEM.INI

                                              Filesize

                                              257B

                                              MD5

                                              6a0ce950db94d75eaa33e777f2ba8032

                                              SHA1

                                              346a9f3a4249ed25d9fcf8c735d53bdc0f128b27

                                              SHA256

                                              27a034fef1b148903873144aea9a79c9342578bdf2d3c9c74b658b8a77d4528b

                                              SHA512

                                              f0dd1ea77a567b9e85d1649cdcd34b4bd734757529a8362ec881b426f95e9cfad6b4cea9d9ff7fd2f0b58827a6d7c6a00db6e73739921e41dbfc2cf74c0d0ed5

                                            • memory/864-57-0x0000000000860000-0x000000000191A000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/864-79-0x0000000000860000-0x000000000191A000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/864-17-0x0000000000860000-0x000000000191A000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/864-18-0x0000000000860000-0x000000000191A000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/864-60-0x0000000000860000-0x000000000191A000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/864-29-0x0000000000630000-0x0000000000632000-memory.dmp

                                              Filesize

                                              8KB

                                            • memory/864-27-0x0000000000860000-0x000000000191A000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/864-11-0x0000000000860000-0x000000000191A000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/864-23-0x0000000000860000-0x000000000191A000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/864-4-0x0000000000400000-0x0000000000412000-memory.dmp

                                              Filesize

                                              72KB

                                            • memory/864-117-0x0000000000400000-0x0000000000412000-memory.dmp

                                              Filesize

                                              72KB

                                            • memory/864-101-0x0000000000860000-0x000000000191A000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/864-22-0x0000000000640000-0x0000000000641000-memory.dmp

                                              Filesize

                                              4KB

                                            • memory/864-106-0x0000000000630000-0x0000000000632000-memory.dmp

                                              Filesize

                                              8KB

                                            • memory/864-97-0x0000000000860000-0x000000000191A000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/864-90-0x0000000000860000-0x000000000191A000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/864-8-0x0000000000860000-0x000000000191A000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/864-9-0x0000000000860000-0x000000000191A000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/864-28-0x0000000000860000-0x000000000191A000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/864-35-0x0000000000860000-0x000000000191A000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/864-36-0x0000000000860000-0x000000000191A000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/864-37-0x0000000000860000-0x000000000191A000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/864-38-0x0000000000860000-0x000000000191A000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/864-39-0x0000000000860000-0x000000000191A000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/864-40-0x0000000000860000-0x000000000191A000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/864-42-0x0000000000860000-0x000000000191A000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/864-43-0x0000000000860000-0x000000000191A000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/864-55-0x0000000000860000-0x000000000191A000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/864-10-0x0000000000860000-0x000000000191A000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/864-87-0x0000000000860000-0x000000000191A000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/864-34-0x0000000000630000-0x0000000000632000-memory.dmp

                                              Filesize

                                              8KB

                                            • memory/864-83-0x0000000000860000-0x000000000191A000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/864-82-0x0000000000860000-0x000000000191A000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/864-6-0x0000000000860000-0x000000000191A000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/864-78-0x0000000000860000-0x000000000191A000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/864-75-0x0000000000860000-0x000000000191A000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/864-74-0x0000000000860000-0x000000000191A000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/864-58-0x0000000000630000-0x0000000000632000-memory.dmp

                                              Filesize

                                              8KB

                                            • memory/1276-71-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                              Filesize

                                              8KB

                                            • memory/1276-65-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                              Filesize

                                              4KB

                                            • memory/1276-149-0x0000000000400000-0x0000000000412000-memory.dmp

                                              Filesize

                                              72KB

                                            • memory/1276-69-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                              Filesize

                                              8KB

                                            • memory/1276-91-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                              Filesize

                                              8KB

                                            • memory/1540-68-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                              Filesize

                                              8KB

                                            • memory/1540-32-0x0000000000400000-0x0000000000412000-memory.dmp

                                              Filesize

                                              72KB

                                            • memory/1540-121-0x0000000000400000-0x0000000000412000-memory.dmp

                                              Filesize

                                              72KB

                                            • memory/1540-86-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                              Filesize

                                              8KB

                                            • memory/1540-63-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                              Filesize

                                              8KB

                                            • memory/1540-62-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                              Filesize

                                              4KB

                                            • memory/4536-72-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                              Filesize

                                              8KB

                                            • memory/4536-123-0x0000000000B40000-0x0000000001BFA000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/4536-70-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                              Filesize

                                              8KB

                                            • memory/4536-67-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                              Filesize

                                              4KB

                                            • memory/4536-166-0x0000000000400000-0x0000000000412000-memory.dmp

                                              Filesize

                                              72KB

                                            • memory/4536-167-0x0000000000B40000-0x0000000001BFA000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/4796-20-0x0000000003810000-0x0000000003811000-memory.dmp

                                              Filesize

                                              4KB

                                            • memory/4796-24-0x0000000003780000-0x0000000003782000-memory.dmp

                                              Filesize

                                              8KB

                                            • memory/4796-33-0x0000000003780000-0x0000000003782000-memory.dmp

                                              Filesize

                                              8KB

                                            • memory/4796-0-0x0000000010000000-0x0000000010020000-memory.dmp

                                              Filesize

                                              128KB

                                            • memory/4796-19-0x0000000003780000-0x0000000003782000-memory.dmp

                                              Filesize

                                              8KB