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Analysis

  • max time kernel
    70s
  • max time network
    141s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/10/2022, 20:45

General

  • Target

    d328bfd74350ab63dddca81efdacb7343a6722ed735a556f6f8d7dfb31d94111.dll

  • Size

    120KB

  • MD5

    83b2bfeeb765481d6d496e53c975a2cb

  • SHA1

    98a2937ab484d77bd403afe0d6ad097d6fbf493f

  • SHA256

    d328bfd74350ab63dddca81efdacb7343a6722ed735a556f6f8d7dfb31d94111

  • SHA512

    09aee78f0b6155c2218c34625db7af5158d1b1b4f6b19a7cc1068fb7c17e24d06c078444974ca36e437e62f090a41e0692e0907ff122340e8a8cac216be5c952

  • SSDEEP

    1536:Cn2SFLIZcNNiCrePnHO+MR1YWoJTCXn3kALLAhgGGxdHXVSU4K8YCg:CHFCcNNCRMP70Tq3kBWlvHlSUUYC

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 4 IoCs
  • UPX packed file 7 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 16 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\RuntimeBroker.exe
    C:\Windows\System32\RuntimeBroker.exe -Embedding
    1⤵
      PID:3432
    • C:\Windows\system32\backgroundTaskHost.exe
      "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
      1⤵
        PID:1708
      • C:\Windows\System32\RuntimeBroker.exe
        C:\Windows\System32\RuntimeBroker.exe -Embedding
        1⤵
          PID:3712
        • C:\Windows\system32\rundll32.exe
          rundll32.exe C:\Users\Admin\AppData\Local\Temp\d328bfd74350ab63dddca81efdacb7343a6722ed735a556f6f8d7dfb31d94111.dll,#1
          1⤵
          • Suspicious use of WriteProcessMemory
          PID:4840
          • C:\Windows\SysWOW64\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\d328bfd74350ab63dddca81efdacb7343a6722ed735a556f6f8d7dfb31d94111.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:4336
            • C:\Users\Admin\AppData\Local\Temp\e567c2a.exe
              C:\Users\Admin\AppData\Local\Temp\e567c2a.exe
              3⤵
              • 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:5072
            • C:\Users\Admin\AppData\Local\Temp\e567e8b.exe
              C:\Users\Admin\AppData\Local\Temp\e567e8b.exe
              3⤵
              • Executes dropped EXE
              PID:4676
            • C:\Users\Admin\AppData\Local\Temp\e569426.exe
              C:\Users\Admin\AppData\Local\Temp\e569426.exe
              3⤵
              • 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:4328
            • C:\Users\Admin\AppData\Local\Temp\e569446.exe
              C:\Users\Admin\AppData\Local\Temp\e569446.exe
              3⤵
              • Executes dropped EXE
              PID:1680
        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
          1⤵
            PID:3532
          • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
            "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
            1⤵
              PID:3364
            • C:\Windows\system32\DllHost.exe
              C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
              1⤵
                PID:3256
              • C:\Windows\system32\svchost.exe
                C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                1⤵
                  PID:3000
                • C:\Windows\Explorer.EXE
                  C:\Windows\Explorer.EXE
                  1⤵
                    PID:376
                  • C:\Windows\system32\taskhostw.exe
                    taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
                    1⤵
                      PID:2672
                    • C:\Windows\system32\svchost.exe
                      C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                      1⤵
                        PID:2468
                      • C:\Windows\system32\sihost.exe
                        sihost.exe
                        1⤵
                          PID:2452
                        • C:\Windows\system32\dwm.exe
                          "dwm.exe"
                          1⤵
                            PID:312
                          • C:\Windows\system32\fontdrvhost.exe
                            "fontdrvhost.exe"
                            1⤵
                              PID:784
                            • C:\Windows\system32\fontdrvhost.exe
                              "fontdrvhost.exe"
                              1⤵
                                PID:788
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:2104

                                Network

                                MITRE ATT&CK Enterprise v6

                                Replay Monitor

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                                Downloads

                                • C:\Users\Admin\AppData\Local\Temp\e567c2a.exe

                                  Filesize

                                  97KB

                                  MD5

                                  920af68ecb8dbaacc8cad4b1485a9d28

                                  SHA1

                                  4a70e4849342875e6ceae75ba1af8db629b82b0f

                                  SHA256

                                  e239c140cb3afd53b0be55b5278423d3d6f9ec0d2aa5f0c132554b9247ede671

                                  SHA512

                                  475205546c99417cd6701b697b063a0b8dd5a60dae1dffada392a3b40ad44c36068475e5ecb895690552e0010eea39e0903fd5c1323ce4245789854629fb8503

                                • C:\Users\Admin\AppData\Local\Temp\e567c2a.exe

                                  Filesize

                                  97KB

                                  MD5

                                  920af68ecb8dbaacc8cad4b1485a9d28

                                  SHA1

                                  4a70e4849342875e6ceae75ba1af8db629b82b0f

                                  SHA256

                                  e239c140cb3afd53b0be55b5278423d3d6f9ec0d2aa5f0c132554b9247ede671

                                  SHA512

                                  475205546c99417cd6701b697b063a0b8dd5a60dae1dffada392a3b40ad44c36068475e5ecb895690552e0010eea39e0903fd5c1323ce4245789854629fb8503

                                • C:\Users\Admin\AppData\Local\Temp\e567e8b.exe

                                  Filesize

                                  97KB

                                  MD5

                                  920af68ecb8dbaacc8cad4b1485a9d28

                                  SHA1

                                  4a70e4849342875e6ceae75ba1af8db629b82b0f

                                  SHA256

                                  e239c140cb3afd53b0be55b5278423d3d6f9ec0d2aa5f0c132554b9247ede671

                                  SHA512

                                  475205546c99417cd6701b697b063a0b8dd5a60dae1dffada392a3b40ad44c36068475e5ecb895690552e0010eea39e0903fd5c1323ce4245789854629fb8503

                                • C:\Users\Admin\AppData\Local\Temp\e567e8b.exe

                                  Filesize

                                  97KB

                                  MD5

                                  920af68ecb8dbaacc8cad4b1485a9d28

                                  SHA1

                                  4a70e4849342875e6ceae75ba1af8db629b82b0f

                                  SHA256

                                  e239c140cb3afd53b0be55b5278423d3d6f9ec0d2aa5f0c132554b9247ede671

                                  SHA512

                                  475205546c99417cd6701b697b063a0b8dd5a60dae1dffada392a3b40ad44c36068475e5ecb895690552e0010eea39e0903fd5c1323ce4245789854629fb8503

                                • C:\Users\Admin\AppData\Local\Temp\e569426.exe

                                  Filesize

                                  97KB

                                  MD5

                                  920af68ecb8dbaacc8cad4b1485a9d28

                                  SHA1

                                  4a70e4849342875e6ceae75ba1af8db629b82b0f

                                  SHA256

                                  e239c140cb3afd53b0be55b5278423d3d6f9ec0d2aa5f0c132554b9247ede671

                                  SHA512

                                  475205546c99417cd6701b697b063a0b8dd5a60dae1dffada392a3b40ad44c36068475e5ecb895690552e0010eea39e0903fd5c1323ce4245789854629fb8503

                                • C:\Users\Admin\AppData\Local\Temp\e569426.exe

                                  Filesize

                                  97KB

                                  MD5

                                  920af68ecb8dbaacc8cad4b1485a9d28

                                  SHA1

                                  4a70e4849342875e6ceae75ba1af8db629b82b0f

                                  SHA256

                                  e239c140cb3afd53b0be55b5278423d3d6f9ec0d2aa5f0c132554b9247ede671

                                  SHA512

                                  475205546c99417cd6701b697b063a0b8dd5a60dae1dffada392a3b40ad44c36068475e5ecb895690552e0010eea39e0903fd5c1323ce4245789854629fb8503

                                • C:\Users\Admin\AppData\Local\Temp\e569446.exe

                                  Filesize

                                  97KB

                                  MD5

                                  920af68ecb8dbaacc8cad4b1485a9d28

                                  SHA1

                                  4a70e4849342875e6ceae75ba1af8db629b82b0f

                                  SHA256

                                  e239c140cb3afd53b0be55b5278423d3d6f9ec0d2aa5f0c132554b9247ede671

                                  SHA512

                                  475205546c99417cd6701b697b063a0b8dd5a60dae1dffada392a3b40ad44c36068475e5ecb895690552e0010eea39e0903fd5c1323ce4245789854629fb8503

                                • C:\Users\Admin\AppData\Local\Temp\e569446.exe

                                  Filesize

                                  97KB

                                  MD5

                                  920af68ecb8dbaacc8cad4b1485a9d28

                                  SHA1

                                  4a70e4849342875e6ceae75ba1af8db629b82b0f

                                  SHA256

                                  e239c140cb3afd53b0be55b5278423d3d6f9ec0d2aa5f0c132554b9247ede671

                                  SHA512

                                  475205546c99417cd6701b697b063a0b8dd5a60dae1dffada392a3b40ad44c36068475e5ecb895690552e0010eea39e0903fd5c1323ce4245789854629fb8503

                                • C:\Windows\SYSTEM.INI

                                  Filesize

                                  257B

                                  MD5

                                  fc7c282a8b880cc99a525a64065c83ab

                                  SHA1

                                  4a07ca74154c2b2d3fdd9f59e8909acc3d09af19

                                  SHA256

                                  75ed2088101c4c72a310c75487e9b4758403ad7e79978a6089a568b7490ea451

                                  SHA512

                                  10a73908c758f7a241767a5b13678a20acfbd0d91518e483cd7cec37adc44c18e4da18cc5edf2a0c092bf5d29381a1bbb37dd8699ba0544600daaca18449133d

                                • memory/1680-157-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/1680-151-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/4328-154-0x0000000000BE0000-0x0000000001C9A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4328-155-0x0000000000BE0000-0x0000000001C9A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4328-158-0x0000000000BE0000-0x0000000001C9A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4328-149-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/4328-159-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/4336-140-0x0000000010000000-0x0000000010020000-memory.dmp

                                  Filesize

                                  128KB

                                • memory/4676-143-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/5072-153-0x00000000007A0000-0x000000000185A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/5072-152-0x00000000007A0000-0x000000000185A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/5072-142-0x00000000007A0000-0x000000000185A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/5072-141-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/5072-136-0x00000000007A0000-0x000000000185A000-memory.dmp

                                  Filesize

                                  16.7MB