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Analysis

  • max time kernel
    95s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15/07/2024, 10:08

General

  • Target

    b56b2244d3154c22b8155e1f332a8c49435fb9b62d0efbf48c85c54c0c65ac33.dll

  • Size

    120KB

  • MD5

    c08abe389d2af88b03966ca3b8187660

  • SHA1

    6e220abbfac9b033296fab2668e8a22ebf5f29de

  • SHA256

    b56b2244d3154c22b8155e1f332a8c49435fb9b62d0efbf48c85c54c0c65ac33

  • SHA512

    47d4958f07ce85dca5c3d5e2bb436349e5757cb7d39396a8cf4a679cace7dc7cda04db3b5c1c70d5cca54d527ca4f978c021c8ecaae956a104e7aee4e54fccf8

  • SSDEEP

    1536:R6vLu4JPG5XN9y8PvX2MGl2Q9EOj3rvq0NvAXCpeOVB/crJwUHdxMZkyl5b:MvC4JufBvGAQ9FVIXr8/crJBDixl

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.

  • UAC bypass 3 TTPs 2 IoCs
  • Windows security bypass 2 TTPs 12 IoCs
  • Executes dropped EXE 3 IoCs
  • UPX packed file 31 IoCs

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

  • 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.

  • Drops file in Program Files directory 3 IoCs
  • Drops file in Windows directory 3 IoCs
  • 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:784
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:384
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2528
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2540
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2900
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3412
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\b56b2244d3154c22b8155e1f332a8c49435fb9b62d0efbf48c85c54c0c65ac33.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:2944
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\b56b2244d3154c22b8155e1f332a8c49435fb9b62d0efbf48c85c54c0c65ac33.dll,#1
                      3⤵
                      • Suspicious use of WriteProcessMemory
                      PID:3476
                      • C:\Users\Admin\AppData\Local\Temp\e578ffb.exe
                        C:\Users\Admin\AppData\Local\Temp\e578ffb.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
                        • Suspicious behavior: EnumeratesProcesses
                        • Suspicious use of AdjustPrivilegeToken
                        • Suspicious use of WriteProcessMemory
                        • System policy modification
                        PID:1744
                      • C:\Users\Admin\AppData\Local\Temp\e579182.exe
                        C:\Users\Admin\AppData\Local\Temp\e579182.exe
                        4⤵
                        • Executes dropped EXE
                        PID:5064
                      • C:\Users\Admin\AppData\Local\Temp\e57aebe.exe
                        C:\Users\Admin\AppData\Local\Temp\e57aebe.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
                        • Suspicious behavior: EnumeratesProcesses
                        • Suspicious use of WriteProcessMemory
                        • System policy modification
                        PID:2940
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3520
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3712
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3800
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3860
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:3936
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:4076
                            • 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:3648
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:984
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
                                  1⤵
                                    PID:2416
                                  • C:\Windows\system32\backgroundTaskHost.exe
                                    "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                    1⤵
                                      PID:4840
                                    • C:\Windows\System32\RuntimeBroker.exe
                                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                                      1⤵
                                        PID:392
                                      • C:\Windows\System32\RuntimeBroker.exe
                                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                                        1⤵
                                          PID:3812

                                        Network

                                        MITRE ATT&CK Enterprise v15

                                        Replay Monitor

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                                        Downloads

                                        • C:\Users\Admin\AppData\Local\Temp\e578ffb.exe

                                          Filesize

                                          97KB

                                          MD5

                                          6d9b007e245b0af3591fa7ba8c83c439

                                          SHA1

                                          aa57bf707062431f8452b5c58abc43c7b75816c2

                                          SHA256

                                          2fa9484b316a71b8e4cccd660f3eb23c46ed2268bbeb4fdd684ab47491cd5cba

                                          SHA512

                                          fe6f81254bba6308ba8296459f74a52215ef0a4eda9f0c885a0f3fefffcba248f06ce709265d52465c7c8c9dd41ed985a4f63b35605c359c395795dab4f4d4bd

                                        • C:\Windows\SYSTEM.INI

                                          Filesize

                                          257B

                                          MD5

                                          b99690dee02c8b6016bb00f01dfdad69

                                          SHA1

                                          50e4bf51391876ebdfe851f344860ff20d464146

                                          SHA256

                                          e55fd3103784788f7819fb038c5cf2450e52ba2cc09992e04f25b82cdce4d3c0

                                          SHA512

                                          8f91eb3944aa1a491d55c0d073146aba9d00149d4d9c31141c68170ba41cebeee068bef7ae437d4224ae139869376d59a339ea3a583a33b379e881ecf39322a7

                                        • memory/1744-66-0x0000000000790000-0x000000000184A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/1744-76-0x0000000000790000-0x000000000184A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/1744-10-0x0000000000790000-0x000000000184A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/1744-18-0x0000000000790000-0x000000000184A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/1744-5-0x0000000000400000-0x0000000000412000-memory.dmp

                                          Filesize

                                          72KB

                                        • memory/1744-29-0x0000000000790000-0x000000000184A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/1744-19-0x0000000000790000-0x000000000184A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/1744-34-0x0000000000790000-0x000000000184A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/1744-36-0x0000000000790000-0x000000000184A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/1744-30-0x00000000038E0000-0x00000000038E2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/1744-12-0x0000000000790000-0x000000000184A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/1744-99-0x0000000000400000-0x0000000000412000-memory.dmp

                                          Filesize

                                          72KB

                                        • memory/1744-51-0x0000000000790000-0x000000000184A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/1744-32-0x00000000038E0000-0x00000000038E2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/1744-9-0x0000000000790000-0x000000000184A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/1744-83-0x0000000000790000-0x000000000184A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/1744-23-0x0000000003FB0000-0x0000000003FB1000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/1744-88-0x00000000038E0000-0x00000000038E2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/1744-11-0x0000000000790000-0x000000000184A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/1744-8-0x0000000000790000-0x000000000184A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/1744-38-0x0000000000790000-0x000000000184A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/1744-37-0x0000000000790000-0x000000000184A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/1744-39-0x0000000000790000-0x000000000184A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/1744-40-0x0000000000790000-0x000000000184A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/1744-6-0x0000000000790000-0x000000000184A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/1744-41-0x0000000000790000-0x000000000184A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/1744-75-0x0000000000790000-0x000000000184A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/1744-74-0x0000000000790000-0x000000000184A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/1744-72-0x0000000000790000-0x000000000184A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/1744-70-0x0000000000790000-0x000000000184A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/1744-69-0x0000000000790000-0x000000000184A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/1744-65-0x0000000000790000-0x000000000184A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/1744-63-0x0000000000790000-0x000000000184A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/1744-60-0x0000000000790000-0x000000000184A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/1744-62-0x0000000000790000-0x000000000184A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/2940-49-0x0000000000400000-0x0000000000412000-memory.dmp

                                          Filesize

                                          72KB

                                        • memory/2940-59-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/2940-147-0x0000000000B70000-0x0000000001C2A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/2940-57-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/2940-55-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/2940-148-0x0000000000400000-0x0000000000412000-memory.dmp

                                          Filesize

                                          72KB

                                        • memory/2940-111-0x0000000000B70000-0x0000000001C2A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/3476-20-0x0000000004010000-0x0000000004012000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/3476-27-0x0000000004010000-0x0000000004012000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/3476-24-0x0000000004010000-0x0000000004012000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/3476-28-0x0000000004020000-0x0000000004021000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/3476-1-0x0000000010000000-0x0000000010020000-memory.dmp

                                          Filesize

                                          128KB

                                        • memory/5064-58-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/5064-33-0x0000000000400000-0x0000000000412000-memory.dmp

                                          Filesize

                                          72KB

                                        • memory/5064-110-0x0000000000400000-0x0000000000412000-memory.dmp

                                          Filesize

                                          72KB

                                        • memory/5064-53-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/5064-56-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                          Filesize

                                          8KB