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Analysis

  • max time kernel
    138s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231020-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22/10/2023, 17:27

General

  • Target

    NEAS.bf0252fb37b0ea288eb95f7a1efab790.dll

  • Size

    120KB

  • MD5

    bf0252fb37b0ea288eb95f7a1efab790

  • SHA1

    7ec6826af6c96c1eb16407951398578a6795d435

  • SHA256

    07f30401b80deb5f5d379207df94bb69da730c9f3c4f55a7e9f9456a3f4c247a

  • SHA512

    9a7a63ecba6e9d8cdeda2cdc05ce4c8729a9d3f40984961f3b1efe4c4c342fb112383124dde8312cb082b7ef152b017db84eebea399694457a6c43197d0cadb2

  • SSDEEP

    1536:62FwS9Jjdr8umXZWuXEgBAu0xo64IN7QEdTgJo6b0f83TXuPSdtA:62FdRxy7Xloxo64abIA8Ta2

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 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 27 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 4 IoCs

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

  • 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:792
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:800
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:332
        • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
          "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
          1⤵
            PID:3860
          • C:\Windows\System32\RuntimeBroker.exe
            C:\Windows\System32\RuntimeBroker.exe -Embedding
            1⤵
              PID:3932
            • C:\Windows\system32\backgroundTaskHost.exe
              "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
              1⤵
                PID:5092
              • C:\Windows\system32\backgroundTaskHost.exe
                "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
                1⤵
                  PID:2372
                • C:\Windows\System32\RuntimeBroker.exe
                  C:\Windows\System32\RuntimeBroker.exe -Embedding
                  1⤵
                    PID:2688
                  • C:\Windows\System32\RuntimeBroker.exe
                    C:\Windows\System32\RuntimeBroker.exe -Embedding
                    1⤵
                      PID:3424
                    • 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:4944
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:488
                        • C:\Windows\System32\RuntimeBroker.exe
                          C:\Windows\System32\RuntimeBroker.exe -Embedding
                          1⤵
                            PID:3524
                          • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                            "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                            1⤵
                              PID:4020
                            • C:\Windows\system32\DllHost.exe
                              C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                              1⤵
                                PID:3636
                              • C:\Windows\system32\svchost.exe
                                C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                                1⤵
                                  PID:3404
                                • C:\Windows\Explorer.EXE
                                  C:\Windows\Explorer.EXE
                                  1⤵
                                    PID:3256
                                    • C:\Windows\system32\rundll32.exe
                                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\NEAS.bf0252fb37b0ea288eb95f7a1efab790.dll,#1
                                      2⤵
                                      • Suspicious use of WriteProcessMemory
                                      PID:2400
                                      • C:\Windows\SysWOW64\rundll32.exe
                                        rundll32.exe C:\Users\Admin\AppData\Local\Temp\NEAS.bf0252fb37b0ea288eb95f7a1efab790.dll,#1
                                        3⤵
                                        • Suspicious use of WriteProcessMemory
                                        PID:564
                                        • C:\Users\Admin\AppData\Local\Temp\e57e918.exe
                                          C:\Users\Admin\AppData\Local\Temp\e57e918.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 AdjustPrivilegeToken
                                          • Suspicious use of WriteProcessMemory
                                          • System policy modification
                                          PID:4996
                                        • C:\Users\Admin\AppData\Local\Temp\e57ef71.exe
                                          C:\Users\Admin\AppData\Local\Temp\e57ef71.exe
                                          4⤵
                                          • Executes dropped EXE
                                          PID:2308
                                        • C:\Users\Admin\AppData\Local\Temp\e580887.exe
                                          C:\Users\Admin\AppData\Local\Temp\e580887.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:4084
                                  • C:\Windows\system32\taskhostw.exe
                                    taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
                                    1⤵
                                      PID:2540
                                    • C:\Windows\system32\svchost.exe
                                      C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                                      1⤵
                                        PID:2324
                                      • C:\Windows\system32\sihost.exe
                                        sihost.exe
                                        1⤵
                                          PID:2312
                                        • C:\Windows\system32\BackgroundTaskHost.exe
                                          "C:\Windows\system32\BackgroundTaskHost.exe" -ServerName:BackgroundTaskHost.WebAccountProvider
                                          1⤵
                                            PID:2236

                                          Network

                                          MITRE ATT&CK Enterprise v15

                                          Replay Monitor

                                          Loading Replay Monitor...

                                          Downloads

                                          • C:\Users\Admin\AppData\Local\Temp\e57e918.exe

                                            Filesize

                                            97KB

                                            MD5

                                            db1af904d9e9fb4b76fd4df6de08899a

                                            SHA1

                                            c8dce04f015b3dbcc1b8327cbac33019af86d25f

                                            SHA256

                                            2a8b3e1bfcf42a04156b3cfab9256c9720541bd059f3ec38c6fc15aa3a550797

                                            SHA512

                                            be59925891e6d50ad8f9b735dba09d892f13eeb30385e0ac42a17b6352a6418069f103735df00b05464ce991bc2b742b6628b3c2bd46858687a26531db190311

                                          • C:\Users\Admin\AppData\Local\Temp\e57e918.exe

                                            Filesize

                                            97KB

                                            MD5

                                            db1af904d9e9fb4b76fd4df6de08899a

                                            SHA1

                                            c8dce04f015b3dbcc1b8327cbac33019af86d25f

                                            SHA256

                                            2a8b3e1bfcf42a04156b3cfab9256c9720541bd059f3ec38c6fc15aa3a550797

                                            SHA512

                                            be59925891e6d50ad8f9b735dba09d892f13eeb30385e0ac42a17b6352a6418069f103735df00b05464ce991bc2b742b6628b3c2bd46858687a26531db190311

                                          • C:\Users\Admin\AppData\Local\Temp\e57ef71.exe

                                            Filesize

                                            97KB

                                            MD5

                                            db1af904d9e9fb4b76fd4df6de08899a

                                            SHA1

                                            c8dce04f015b3dbcc1b8327cbac33019af86d25f

                                            SHA256

                                            2a8b3e1bfcf42a04156b3cfab9256c9720541bd059f3ec38c6fc15aa3a550797

                                            SHA512

                                            be59925891e6d50ad8f9b735dba09d892f13eeb30385e0ac42a17b6352a6418069f103735df00b05464ce991bc2b742b6628b3c2bd46858687a26531db190311

                                          • C:\Users\Admin\AppData\Local\Temp\e57ef71.exe

                                            Filesize

                                            97KB

                                            MD5

                                            db1af904d9e9fb4b76fd4df6de08899a

                                            SHA1

                                            c8dce04f015b3dbcc1b8327cbac33019af86d25f

                                            SHA256

                                            2a8b3e1bfcf42a04156b3cfab9256c9720541bd059f3ec38c6fc15aa3a550797

                                            SHA512

                                            be59925891e6d50ad8f9b735dba09d892f13eeb30385e0ac42a17b6352a6418069f103735df00b05464ce991bc2b742b6628b3c2bd46858687a26531db190311

                                          • C:\Users\Admin\AppData\Local\Temp\e580887.exe

                                            Filesize

                                            97KB

                                            MD5

                                            db1af904d9e9fb4b76fd4df6de08899a

                                            SHA1

                                            c8dce04f015b3dbcc1b8327cbac33019af86d25f

                                            SHA256

                                            2a8b3e1bfcf42a04156b3cfab9256c9720541bd059f3ec38c6fc15aa3a550797

                                            SHA512

                                            be59925891e6d50ad8f9b735dba09d892f13eeb30385e0ac42a17b6352a6418069f103735df00b05464ce991bc2b742b6628b3c2bd46858687a26531db190311

                                          • C:\Users\Admin\AppData\Local\Temp\e580887.exe

                                            Filesize

                                            97KB

                                            MD5

                                            db1af904d9e9fb4b76fd4df6de08899a

                                            SHA1

                                            c8dce04f015b3dbcc1b8327cbac33019af86d25f

                                            SHA256

                                            2a8b3e1bfcf42a04156b3cfab9256c9720541bd059f3ec38c6fc15aa3a550797

                                            SHA512

                                            be59925891e6d50ad8f9b735dba09d892f13eeb30385e0ac42a17b6352a6418069f103735df00b05464ce991bc2b742b6628b3c2bd46858687a26531db190311

                                          • C:\Users\Admin\AppData\Local\Temp\e580887.exe

                                            Filesize

                                            97KB

                                            MD5

                                            db1af904d9e9fb4b76fd4df6de08899a

                                            SHA1

                                            c8dce04f015b3dbcc1b8327cbac33019af86d25f

                                            SHA256

                                            2a8b3e1bfcf42a04156b3cfab9256c9720541bd059f3ec38c6fc15aa3a550797

                                            SHA512

                                            be59925891e6d50ad8f9b735dba09d892f13eeb30385e0ac42a17b6352a6418069f103735df00b05464ce991bc2b742b6628b3c2bd46858687a26531db190311

                                          • C:\Windows\SYSTEM.INI

                                            Filesize

                                            257B

                                            MD5

                                            2ec6c2128485e1d4a320d46f7ecf8336

                                            SHA1

                                            f594dea4155d4374222816f2dd0090e34b8e13db

                                            SHA256

                                            0db9d4e58c8190c18095ef41ab8fc4fd38c9e7465a25b66932d69b016608d210

                                            SHA512

                                            80223d4f2150415eba11e325f98142f816581633030ed2e608c991129c6fbeb269a4bfc6ad7c27d98a29e144ef107dd4848249535e1cfdf3a8322c734292b923

                                          • memory/564-0-0x0000000010000000-0x0000000010020000-memory.dmp

                                            Filesize

                                            128KB

                                          • memory/564-42-0x0000000000EA0000-0x0000000000EA2000-memory.dmp

                                            Filesize

                                            8KB

                                          • memory/564-14-0x0000000000EA0000-0x0000000000EA2000-memory.dmp

                                            Filesize

                                            8KB

                                          • memory/564-12-0x0000000004440000-0x0000000004441000-memory.dmp

                                            Filesize

                                            4KB

                                          • memory/564-11-0x0000000000EA0000-0x0000000000EA2000-memory.dmp

                                            Filesize

                                            8KB

                                          • memory/2308-24-0x0000000000400000-0x0000000000412000-memory.dmp

                                            Filesize

                                            72KB

                                          • memory/2308-51-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                            Filesize

                                            4KB

                                          • memory/2308-94-0x0000000000400000-0x0000000000412000-memory.dmp

                                            Filesize

                                            72KB

                                          • memory/2308-89-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                            Filesize

                                            8KB

                                          • memory/2308-53-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                            Filesize

                                            8KB

                                          • memory/4084-95-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                            Filesize

                                            8KB

                                          • memory/4084-47-0x0000000000400000-0x0000000000412000-memory.dmp

                                            Filesize

                                            72KB

                                          • memory/4084-120-0x0000000000B40000-0x0000000001BFA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4084-119-0x0000000000400000-0x0000000000412000-memory.dmp

                                            Filesize

                                            72KB

                                          • memory/4084-105-0x0000000000B40000-0x0000000001BFA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4084-102-0x0000000000B40000-0x0000000001BFA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4084-101-0x0000000000B40000-0x0000000001BFA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4084-100-0x0000000000B40000-0x0000000001BFA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4084-99-0x0000000000B40000-0x0000000001BFA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4084-97-0x0000000000B40000-0x0000000001BFA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4084-56-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                            Filesize

                                            4KB

                                          • memory/4996-33-0x00000000007C0000-0x000000000187A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4996-25-0x00000000007C0000-0x000000000187A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4996-48-0x00000000007C0000-0x000000000187A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4996-32-0x00000000007C0000-0x000000000187A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4996-9-0x00000000007C0000-0x000000000187A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4996-55-0x00000000005B0000-0x00000000005B2000-memory.dmp

                                            Filesize

                                            8KB

                                          • memory/4996-31-0x00000000007C0000-0x000000000187A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4996-5-0x0000000000400000-0x0000000000412000-memory.dmp

                                            Filesize

                                            72KB

                                          • memory/4996-59-0x00000000007C0000-0x000000000187A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4996-62-0x00000000007C0000-0x000000000187A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4996-64-0x00000000007C0000-0x000000000187A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4996-70-0x00000000007C0000-0x000000000187A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4996-93-0x0000000000400000-0x0000000000412000-memory.dmp

                                            Filesize

                                            72KB

                                          • memory/4996-7-0x00000000007C0000-0x000000000187A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4996-22-0x00000000005B0000-0x00000000005B2000-memory.dmp

                                            Filesize

                                            8KB

                                          • memory/4996-18-0x00000000007C0000-0x000000000187A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4996-10-0x00000000007C0000-0x000000000187A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4996-57-0x00000000007C0000-0x000000000187A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4996-19-0x0000000001B00000-0x0000000001B01000-memory.dmp

                                            Filesize

                                            4KB

                                          • memory/4996-39-0x00000000007C0000-0x000000000187A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4996-38-0x00000000007C0000-0x000000000187A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4996-37-0x00000000007C0000-0x000000000187A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4996-36-0x00000000007C0000-0x000000000187A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4996-34-0x00000000007C0000-0x000000000187A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4996-35-0x00000000007C0000-0x000000000187A000-memory.dmp

                                            Filesize

                                            16.7MB