Analysis

  • max time kernel
    136s
  • max time network
    105s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-05-2024 22:24

General

  • Target

    6061b7413537dd71ab938e963bae0ef5f30809e8dc4026bc40fdcd4eaba1fddf.dll

  • Size

    120KB

  • MD5

    4f634d8ea8c3dc986b8b293af2133c0a

  • SHA1

    66a684c5d8ee7212b0059a3f0b474da0a44b7616

  • SHA256

    6061b7413537dd71ab938e963bae0ef5f30809e8dc4026bc40fdcd4eaba1fddf

  • SHA512

    5fa1c48205866e8a23c088fd3f0038c4b76cbac7f7d79fa1ca013fcddccd20c4159e977e6e300dbc103383fccb85a97d6396bd0d02c9df1722f1066b31992802

  • SSDEEP

    3072:mK3cxMsduMGkZor/1YHf1Ug7UB/Gl5RL:mKNiHerd8QYR

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 2 TTPs 9 IoCs
  • Sality

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

  • UAC bypass 3 TTPs 3 IoCs
  • Windows security bypass 2 TTPs 18 IoCs
  • Detects executables packed with Sality Polymorphic Code Generator or Simple Poly Engine or Sality 34 IoCs
  • UPX dump on OEP (original entry point) 37 IoCs
  • Executes dropped EXE 3 IoCs
  • UPX packed file 34 IoCs

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

  • Windows security modification 2 TTPs 21 IoCs
  • Checks whether UAC is enabled 1 TTPs 3 IoCs
  • Enumerates connected drives 3 TTPs 14 IoCs

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

  • Drops file in Program Files directory 4 IoCs
  • Drops file in Windows directory 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • System policy modification 1 TTPs 3 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:64
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2644
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2656
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2764
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3544
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\6061b7413537dd71ab938e963bae0ef5f30809e8dc4026bc40fdcd4eaba1fddf.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:3252
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\6061b7413537dd71ab938e963bae0ef5f30809e8dc4026bc40fdcd4eaba1fddf.dll,#1
                      3⤵
                      • Suspicious use of WriteProcessMemory
                      PID:1900
                      • C:\Users\Admin\AppData\Local\Temp\e573604.exe
                        C:\Users\Admin\AppData\Local\Temp\e573604.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:4336
                      • C:\Users\Admin\AppData\Local\Temp\e57375c.exe
                        C:\Users\Admin\AppData\Local\Temp\e57375c.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
                        • Suspicious behavior: EnumeratesProcesses
                        • Suspicious use of WriteProcessMemory
                        • System policy modification
                        PID:5024
                      • C:\Users\Admin\AppData\Local\Temp\e5751d9.exe
                        C:\Users\Admin\AppData\Local\Temp\e5751d9.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 policy modification
                        PID:3680
                • 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:3876
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3968
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:4028
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:332
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:4152
                            • C:\Windows\System32\RuntimeBroker.exe
                              C:\Windows\System32\RuntimeBroker.exe -Embedding
                              1⤵
                                PID:4876
                              • 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:1776
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                  1⤵
                                    PID:1528
                                  • C:\Windows\system32\backgroundTaskHost.exe
                                    "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
                                    1⤵
                                      PID:5076
                                    • C:\Windows\System32\RuntimeBroker.exe
                                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                                      1⤵
                                        PID:4996
                                      • C:\Windows\System32\RuntimeBroker.exe
                                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                                        1⤵
                                          PID:1168

                                        Network

                                        MITRE ATT&CK Enterprise v15

                                        Replay Monitor

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                                        Downloads

                                        • C:\Users\Admin\AppData\Local\Temp\e573604.exe

                                          Filesize

                                          97KB

                                          MD5

                                          03965e39da19b33853081bcbde400b5b

                                          SHA1

                                          5dc883a6baac089c0310df2a6c777af57d0be48b

                                          SHA256

                                          cee79a924c6ec1694e382f4a1bc2372ab0bdca973a39c8f2e855bc8dc56b709d

                                          SHA512

                                          ab35756acb5bc253bb90c6db2e485e84e4f03ec1d4beefedf661bb8295c4c7f6f4e18de407bce09a6c43e9e2f719e123c6fb83b1c782471743b64c6a5269f2e3

                                        • C:\Windows\SYSTEM.INI

                                          Filesize

                                          257B

                                          MD5

                                          1c6a56d6f7ae821172b2584ee7dc4b2e

                                          SHA1

                                          00f0d4368810cf2145118c8d5bef5c9a295f377f

                                          SHA256

                                          fc33f44372fba31193c5ad2c74162a6e02ad08b1ec7cb2395c1664b01edefe31

                                          SHA512

                                          0dccfe7634d843ff44177c51d92a9e2a58ef12d2c62fa3ebe3016d48138a452b3aa99589c37dbf0363801859978576a178e341d53edcef759cacfc6582cb25d0

                                        • memory/1900-1-0x0000000010000000-0x0000000010020000-memory.dmp

                                          Filesize

                                          128KB

                                        • memory/1900-21-0x0000000003DC0000-0x0000000003DC2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/1900-16-0x0000000003E50000-0x0000000003E51000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/1900-15-0x0000000003DC0000-0x0000000003DC2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/1900-31-0x0000000000810000-0x0000000000824000-memory.dmp

                                          Filesize

                                          80KB

                                        • memory/1900-47-0x0000000003DC0000-0x0000000003DC2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/1900-51-0x0000000000810000-0x0000000000824000-memory.dmp

                                          Filesize

                                          80KB

                                        • memory/3680-63-0x00000000001F0000-0x00000000001F2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/3680-52-0x0000000000400000-0x0000000000412000-memory.dmp

                                          Filesize

                                          72KB

                                        • memory/3680-62-0x0000000000570000-0x0000000000571000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/3680-65-0x00000000001F0000-0x00000000001F2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/3680-154-0x0000000000400000-0x0000000000412000-memory.dmp

                                          Filesize

                                          72KB

                                        • memory/4336-42-0x0000000000810000-0x00000000018CA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4336-80-0x0000000000810000-0x00000000018CA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4336-12-0x0000000000810000-0x00000000018CA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4336-10-0x0000000000810000-0x00000000018CA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4336-18-0x0000000000530000-0x0000000000531000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/4336-20-0x0000000000810000-0x00000000018CA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4336-19-0x0000000000810000-0x00000000018CA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4336-8-0x0000000000810000-0x00000000018CA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4336-36-0x0000000000810000-0x00000000018CA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4336-37-0x0000000000810000-0x00000000018CA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4336-38-0x0000000000810000-0x00000000018CA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4336-39-0x0000000000810000-0x00000000018CA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4336-40-0x0000000000810000-0x00000000018CA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4336-30-0x0000000000810000-0x00000000018CA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4336-43-0x0000000000810000-0x00000000018CA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4336-5-0x0000000000400000-0x0000000000412000-memory.dmp

                                          Filesize

                                          72KB

                                        • memory/4336-13-0x0000000000810000-0x00000000018CA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4336-24-0x0000000000520000-0x0000000000522000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/4336-53-0x0000000000810000-0x00000000018CA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4336-55-0x0000000000810000-0x00000000018CA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4336-56-0x0000000000810000-0x00000000018CA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4336-9-0x0000000000810000-0x00000000018CA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4336-11-0x0000000000810000-0x00000000018CA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4336-6-0x0000000000810000-0x00000000018CA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4336-104-0x0000000000400000-0x0000000000412000-memory.dmp

                                          Filesize

                                          72KB

                                        • memory/4336-14-0x0000000000810000-0x00000000018CA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4336-87-0x0000000000810000-0x00000000018CA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4336-66-0x0000000000810000-0x00000000018CA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4336-67-0x0000000000810000-0x00000000018CA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4336-71-0x0000000000810000-0x00000000018CA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4336-73-0x0000000000810000-0x00000000018CA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4336-75-0x0000000000810000-0x00000000018CA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4336-76-0x0000000000810000-0x00000000018CA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4336-79-0x0000000000810000-0x00000000018CA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4336-32-0x0000000000520000-0x0000000000522000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/4336-82-0x0000000000810000-0x00000000018CA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4336-81-0x0000000000810000-0x00000000018CA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4336-93-0x0000000000520000-0x0000000000522000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/5024-59-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/5024-64-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/5024-60-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/5024-116-0x0000000000B30000-0x0000000001BEA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/5024-135-0x0000000000400000-0x0000000000412000-memory.dmp

                                          Filesize

                                          72KB

                                        • memory/5024-134-0x0000000000B30000-0x0000000001BEA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/5024-34-0x0000000000400000-0x0000000000412000-memory.dmp

                                          Filesize

                                          72KB