Analysis

  • max time kernel
    91s
  • max time network
    93s
  • 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 19:47

General

  • Target

    cab584d50632548030c5b9d297bc220ae4fa68945770945fa1e84249d800944fN.dll

  • Size

    120KB

  • MD5

    3c0a3b60fd2739b938cc93927467f620

  • SHA1

    335d0211eab137d32275f5f3338262b509860653

  • SHA256

    cab584d50632548030c5b9d297bc220ae4fa68945770945fa1e84249d800944f

  • SHA512

    e21dfb3d2f1dd1e5634621c1a76720925c2b883cfc358521fcea4bf8bb4134e0859c08f18dcea80e8d535076daaaf4c373ec83c6e9d69c7a5184518e6d4ddd91

  • SSDEEP

    1536:xzo8bYt+jqCTy0u7rWNBlEIASKyDpTEwKHqwMcgEIyM56ywZC4Eh8L9KGMjnV:x88bYtsqQaHPSdDqZgEHM56nCN8snR

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 9 IoCs

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

  • UPX packed file 27 IoCs

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

  • Drops file in Program Files directory 3 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 54 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:376
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2668
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2680
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2888
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3396
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\cab584d50632548030c5b9d297bc220ae4fa68945770945fa1e84249d800944fN.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:3308
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\cab584d50632548030c5b9d297bc220ae4fa68945770945fa1e84249d800944fN.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:3136
                      • C:\Users\Admin\AppData\Local\Temp\e57c208.exe
                        C:\Users\Admin\AppData\Local\Temp\e57c208.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:5032
                      • C:\Users\Admin\AppData\Local\Temp\e57c3bd.exe
                        C:\Users\Admin\AppData\Local\Temp\e57c3bd.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:1240
                      • C:\Users\Admin\AppData\Local\Temp\e57e5dc.exe
                        C:\Users\Admin\AppData\Local\Temp\e57e5dc.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
                        • System policy modification
                        PID:2900
                      • C:\Users\Admin\AppData\Local\Temp\e57e5fb.exe
                        C:\Users\Admin\AppData\Local\Temp\e57e5fb.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:2776
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3560
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3752
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3848
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3920
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:3996
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:3556
                            • 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:4652
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:860

                                Network

                                MITRE ATT&CK Enterprise v15

                                Replay Monitor

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                                Downloads

                                • C:\Users\Admin\AppData\Local\Temp\e57c208.exe

                                  Filesize

                                  97KB

                                  MD5

                                  59ad41e5f852be61bc913fd2a2e9be06

                                  SHA1

                                  f7b1d2515331157c6234baba1600f2d845fd89fa

                                  SHA256

                                  52aa7161a8267830ebbaae1d52b5714f90db62a5000d944a4faa378f12dd7b82

                                  SHA512

                                  481d5f011e481217e03af27fce7936dce561642a401dae29aafe3fd2443ca75f1f98e07813f9fd970b3ce7a2a7333796b40c0596954c42a520213919c37486f2

                                • C:\Windows\SYSTEM.INI

                                  Filesize

                                  257B

                                  MD5

                                  5a71c00b045f63561105ef5a75f0f3d0

                                  SHA1

                                  b9e878c3e6b3cb0dbda97d6bfd6474d6aecbb550

                                  SHA256

                                  835de11bfe60c0add560afef335d232327f4dd71e46746767ab3f1c9313af162

                                  SHA512

                                  19b1b6fc6eed2170a307d31abee76516b79892766d469726c9c55be62b3cc072d61c02d96a590d1f211a6d9a791d86507e01b6c165bfb10bfd213b24642a0363

                                • memory/1240-64-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/1240-105-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/1240-55-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/1240-60-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/2776-59-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/2776-134-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/2776-51-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/2776-62-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/2776-66-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/2900-130-0x0000000000B40000-0x0000000001BFA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2900-65-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/2900-57-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/2900-61-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/2900-129-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/2900-135-0x0000000000B40000-0x0000000001BFA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3136-24-0x0000000001640000-0x0000000001642000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3136-16-0x0000000001640000-0x0000000001642000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3136-17-0x0000000001690000-0x0000000001691000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/3136-28-0x0000000001640000-0x0000000001642000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3136-0-0x0000000010000000-0x0000000010020000-memory.dmp

                                  Filesize

                                  128KB

                                • memory/5032-32-0x0000000000810000-0x00000000018CA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/5032-68-0x0000000000810000-0x00000000018CA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/5032-39-0x0000000000810000-0x00000000018CA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/5032-37-0x0000000000810000-0x00000000018CA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/5032-19-0x0000000000700000-0x0000000000701000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/5032-10-0x0000000000810000-0x00000000018CA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/5032-36-0x0000000000810000-0x00000000018CA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/5032-67-0x00000000005E0000-0x00000000005E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/5032-11-0x0000000000810000-0x00000000018CA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/5032-34-0x0000000000810000-0x00000000018CA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/5032-29-0x00000000005E0000-0x00000000005E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/5032-63-0x0000000000810000-0x00000000018CA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/5032-8-0x0000000000810000-0x00000000018CA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/5032-26-0x0000000000810000-0x00000000018CA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/5032-12-0x0000000000810000-0x00000000018CA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/5032-38-0x0000000000810000-0x00000000018CA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/5032-70-0x0000000000810000-0x00000000018CA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/5032-71-0x0000000000810000-0x00000000018CA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/5032-72-0x0000000000810000-0x00000000018CA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/5032-74-0x0000000000810000-0x00000000018CA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/5032-75-0x0000000000810000-0x00000000018CA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/5032-78-0x0000000000810000-0x00000000018CA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/5032-81-0x0000000000810000-0x00000000018CA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/5032-83-0x0000000000810000-0x00000000018CA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/5032-101-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/5032-27-0x00000000005E0000-0x00000000005E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/5032-33-0x0000000000810000-0x00000000018CA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/5032-9-0x0000000000810000-0x00000000018CA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/5032-13-0x0000000000810000-0x00000000018CA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/5032-6-0x0000000000810000-0x00000000018CA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/5032-5-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB