Analysis

  • max time kernel
    91s
  • max time network
    128s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-11-2022 05:20

General

  • Target

    fcca444ff3a68a74634ad9c30d7e744cb75559df7914be1a394c9fd4659c46c9.dll

  • Size

    120KB

  • MD5

    49bc890629ad536e6ac8f65f20f1d40c

  • SHA1

    c0e994895307d7eb86cb11aadbecf86a9f64d999

  • SHA256

    fcca444ff3a68a74634ad9c30d7e744cb75559df7914be1a394c9fd4659c46c9

  • SHA512

    79a7aa83f9037cbc7ddbbe0c743a3f7b907b83e6ced1e89f9f7a221f51d4b75f3878e62819c663611ca682cd60a76bee7cc2ff5fa3288e2017c03d1f77fd657b

  • SSDEEP

    3072:N/4lc/b9prS5xZr4R7KDCU/l97PO01vOq6sdPA:F429dwxZr4R7QCKlFtvlA

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 6 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 15 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 47 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:764
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:772
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:1016
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2288
          • C:\Windows\system32\taskhostw.exe
            taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
            1⤵
              PID:2436
            • C:\Windows\system32\svchost.exe
              C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
              1⤵
                PID:2296
              • C:\Windows\system32\DllHost.exe
                C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                1⤵
                  PID:3248
                • C:\Windows\System32\RuntimeBroker.exe
                  C:\Windows\System32\RuntimeBroker.exe -Embedding
                  1⤵
                    PID:4652
                  • C:\Windows\System32\RuntimeBroker.exe
                    C:\Windows\System32\RuntimeBroker.exe -Embedding
                    1⤵
                      PID:3688
                    • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                      1⤵
                        PID:3568
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3416
                        • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                          1⤵
                            PID:3356
                          • C:\Windows\system32\rundll32.exe
                            rundll32.exe C:\Users\Admin\AppData\Local\Temp\fcca444ff3a68a74634ad9c30d7e744cb75559df7914be1a394c9fd4659c46c9.dll,#1
                            1⤵
                            • Suspicious use of WriteProcessMemory
                            PID:4956
                            • C:\Windows\SysWOW64\rundll32.exe
                              rundll32.exe C:\Users\Admin\AppData\Local\Temp\fcca444ff3a68a74634ad9c30d7e744cb75559df7914be1a394c9fd4659c46c9.dll,#1
                              2⤵
                              • Suspicious use of WriteProcessMemory
                              PID:4876
                              • C:\Users\Admin\AppData\Local\Temp\e56ca79.exe
                                C:\Users\Admin\AppData\Local\Temp\e56ca79.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:5044
                              • C:\Users\Admin\AppData\Local\Temp\e56cf6a.exe
                                C:\Users\Admin\AppData\Local\Temp\e56cf6a.exe
                                3⤵
                                • 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:1684
                              • C:\Users\Admin\AppData\Local\Temp\e56e39e.exe
                                C:\Users\Admin\AppData\Local\Temp\e56e39e.exe
                                3⤵
                                • Executes dropped EXE
                                PID:2412
                          • C:\Windows\system32\svchost.exe
                            C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                            1⤵
                              PID:2832
                            • C:\Windows\Explorer.EXE
                              C:\Windows\Explorer.EXE
                              1⤵
                                PID:3048

                              Network

                              MITRE ATT&CK Enterprise v6

                              Replay Monitor

                              Loading Replay Monitor...

                              Downloads

                              • C:\Users\Admin\AppData\Local\Temp\e56ca79.exe

                                Filesize

                                97KB

                                MD5

                                0ef44bb72fa95076c2026615a8720194

                                SHA1

                                244ba1907a16001472b192a90292a17912162950

                                SHA256

                                a1a31799948a08b376e7f2c92310004e3beba8bc40569ae76bc70e6a30b02de0

                                SHA512

                                3843bfc006704cbdf57f86cfc10a3dd15d16707079cb5cce829d12f049cf0656d4960961d5eb0fbf400c89e6922ce24883b94fa8e369b074d3eba82737b843e1

                              • C:\Users\Admin\AppData\Local\Temp\e56ca79.exe

                                Filesize

                                97KB

                                MD5

                                0ef44bb72fa95076c2026615a8720194

                                SHA1

                                244ba1907a16001472b192a90292a17912162950

                                SHA256

                                a1a31799948a08b376e7f2c92310004e3beba8bc40569ae76bc70e6a30b02de0

                                SHA512

                                3843bfc006704cbdf57f86cfc10a3dd15d16707079cb5cce829d12f049cf0656d4960961d5eb0fbf400c89e6922ce24883b94fa8e369b074d3eba82737b843e1

                              • C:\Users\Admin\AppData\Local\Temp\e56cf6a.exe

                                Filesize

                                97KB

                                MD5

                                0ef44bb72fa95076c2026615a8720194

                                SHA1

                                244ba1907a16001472b192a90292a17912162950

                                SHA256

                                a1a31799948a08b376e7f2c92310004e3beba8bc40569ae76bc70e6a30b02de0

                                SHA512

                                3843bfc006704cbdf57f86cfc10a3dd15d16707079cb5cce829d12f049cf0656d4960961d5eb0fbf400c89e6922ce24883b94fa8e369b074d3eba82737b843e1

                              • C:\Users\Admin\AppData\Local\Temp\e56cf6a.exe

                                Filesize

                                97KB

                                MD5

                                0ef44bb72fa95076c2026615a8720194

                                SHA1

                                244ba1907a16001472b192a90292a17912162950

                                SHA256

                                a1a31799948a08b376e7f2c92310004e3beba8bc40569ae76bc70e6a30b02de0

                                SHA512

                                3843bfc006704cbdf57f86cfc10a3dd15d16707079cb5cce829d12f049cf0656d4960961d5eb0fbf400c89e6922ce24883b94fa8e369b074d3eba82737b843e1

                              • C:\Users\Admin\AppData\Local\Temp\e56e39e.exe

                                Filesize

                                97KB

                                MD5

                                0ef44bb72fa95076c2026615a8720194

                                SHA1

                                244ba1907a16001472b192a90292a17912162950

                                SHA256

                                a1a31799948a08b376e7f2c92310004e3beba8bc40569ae76bc70e6a30b02de0

                                SHA512

                                3843bfc006704cbdf57f86cfc10a3dd15d16707079cb5cce829d12f049cf0656d4960961d5eb0fbf400c89e6922ce24883b94fa8e369b074d3eba82737b843e1

                              • C:\Users\Admin\AppData\Local\Temp\e56e39e.exe

                                Filesize

                                97KB

                                MD5

                                0ef44bb72fa95076c2026615a8720194

                                SHA1

                                244ba1907a16001472b192a90292a17912162950

                                SHA256

                                a1a31799948a08b376e7f2c92310004e3beba8bc40569ae76bc70e6a30b02de0

                                SHA512

                                3843bfc006704cbdf57f86cfc10a3dd15d16707079cb5cce829d12f049cf0656d4960961d5eb0fbf400c89e6922ce24883b94fa8e369b074d3eba82737b843e1

                              • memory/1684-143-0x0000000000400000-0x0000000000412000-memory.dmp

                                Filesize

                                72KB

                              • memory/1684-152-0x0000000000B30000-0x0000000001BEA000-memory.dmp

                                Filesize

                                16.7MB

                              • memory/1684-151-0x0000000000400000-0x0000000000412000-memory.dmp

                                Filesize

                                72KB

                              • memory/1684-150-0x0000000000B30000-0x0000000001BEA000-memory.dmp

                                Filesize

                                16.7MB

                              • memory/1684-140-0x0000000000000000-mapping.dmp

                              • memory/2412-147-0x0000000000400000-0x0000000000412000-memory.dmp

                                Filesize

                                72KB

                              • memory/2412-144-0x0000000000000000-mapping.dmp

                              • memory/2412-153-0x0000000000400000-0x0000000000412000-memory.dmp

                                Filesize

                                72KB

                              • memory/4876-132-0x0000000000000000-mapping.dmp

                              • memory/4876-137-0x0000000010000000-0x0000000010020000-memory.dmp

                                Filesize

                                128KB

                              • memory/5044-139-0x0000000000790000-0x000000000184A000-memory.dmp

                                Filesize

                                16.7MB

                              • memory/5044-138-0x0000000000400000-0x0000000000412000-memory.dmp

                                Filesize

                                72KB

                              • memory/5044-148-0x0000000000790000-0x000000000184A000-memory.dmp

                                Filesize

                                16.7MB

                              • memory/5044-149-0x0000000000790000-0x000000000184A000-memory.dmp

                                Filesize

                                16.7MB

                              • memory/5044-136-0x0000000000790000-0x000000000184A000-memory.dmp

                                Filesize

                                16.7MB

                              • memory/5044-133-0x0000000000000000-mapping.dmp