Analysis

  • max time kernel
    34s
  • max time network
    17s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/12/2022, 08:25

General

  • Target

    986b1aa8cf90782a3c512e8bd34a634c59c9843a1bc840f7477b72edc6236668.dll

  • Size

    120KB

  • MD5

    e0f8dcb6e02b2abeb46abb003d4636f2

  • SHA1

    13bb0aa7a2b1ee8ab3e077ee0217825d0e11dfd0

  • SHA256

    986b1aa8cf90782a3c512e8bd34a634c59c9843a1bc840f7477b72edc6236668

  • SHA512

    0263fbf6abfe2ea2e6a2646bcf22f829eccfa32d941c402d0f2d283331bfd633eace3f88859bc50db0c584729798a7ff6c88f2eff0dbb50d6e72eb9c2150d0c1

  • SSDEEP

    3072:PlIiI0xVfYBT7EXThzAQa62YQIa13hKtn1:eiI0xmEDFAQa1Ia1

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 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 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:808
    • C:\Windows\system32\dwm.exe
      "dwm.exe"
      1⤵
        PID:384
      • C:\Windows\system32\fontdrvhost.exe
        "fontdrvhost.exe"
        1⤵
          PID:800
        • C:\Windows\system32\svchost.exe
          C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
          1⤵
            PID:2340
          • C:\Windows\system32\sihost.exe
            sihost.exe
            1⤵
              PID:2352
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2456
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:2688
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\986b1aa8cf90782a3c512e8bd34a634c59c9843a1bc840f7477b72edc6236668.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:2484
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\986b1aa8cf90782a3c512e8bd34a634c59c9843a1bc840f7477b72edc6236668.dll,#1
                      3⤵
                      • Suspicious use of WriteProcessMemory
                      PID:2516
                      • C:\Users\Admin\AppData\Local\Temp\e56afec.exe
                        C:\Users\Admin\AppData\Local\Temp\e56afec.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:4356
                      • C:\Users\Admin\AppData\Local\Temp\e56b942.exe
                        C:\Users\Admin\AppData\Local\Temp\e56b942.exe
                        4⤵
                        • Executes dropped EXE
                        PID:3228
                      • C:\Users\Admin\AppData\Local\Temp\e56c614.exe
                        C:\Users\Admin\AppData\Local\Temp\e56c614.exe
                        4⤵
                        • Executes dropped EXE
                        PID:2772
                      • C:\Users\Admin\AppData\Local\Temp\e56c652.exe
                        C:\Users\Admin\AppData\Local\Temp\e56c652.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:3492
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3164
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3356
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3448
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3512
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:3608
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:3796
                            • C:\Windows\System32\RuntimeBroker.exe
                              C:\Windows\System32\RuntimeBroker.exe -Embedding
                              1⤵
                                PID:4648

                              Network

                              MITRE ATT&CK Enterprise v6

                              Replay Monitor

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                              Downloads

                              • C:\Users\Admin\AppData\Local\Temp\e56afec.exe

                                Filesize

                                97KB

                                MD5

                                17b33600f48a35bd7ad7fa64f63944db

                                SHA1

                                dbf6c7b724ac0ed70117c19dc1ecf08a096df003

                                SHA256

                                68c36ab7ea16e9bf479ebea762e03d21ec993c209928cb9766f1fdec439a4e81

                                SHA512

                                c2908e8c3c83122e02dd98c7b347ea4c121e8e28a893fa5042df4611e017a77d767de3bcfb5f8af0748bb6993f84a91c8d163aa9bb03578b6b96a6ab581eaad9

                              • C:\Users\Admin\AppData\Local\Temp\e56afec.exe

                                Filesize

                                97KB

                                MD5

                                17b33600f48a35bd7ad7fa64f63944db

                                SHA1

                                dbf6c7b724ac0ed70117c19dc1ecf08a096df003

                                SHA256

                                68c36ab7ea16e9bf479ebea762e03d21ec993c209928cb9766f1fdec439a4e81

                                SHA512

                                c2908e8c3c83122e02dd98c7b347ea4c121e8e28a893fa5042df4611e017a77d767de3bcfb5f8af0748bb6993f84a91c8d163aa9bb03578b6b96a6ab581eaad9

                              • C:\Users\Admin\AppData\Local\Temp\e56b942.exe

                                Filesize

                                97KB

                                MD5

                                17b33600f48a35bd7ad7fa64f63944db

                                SHA1

                                dbf6c7b724ac0ed70117c19dc1ecf08a096df003

                                SHA256

                                68c36ab7ea16e9bf479ebea762e03d21ec993c209928cb9766f1fdec439a4e81

                                SHA512

                                c2908e8c3c83122e02dd98c7b347ea4c121e8e28a893fa5042df4611e017a77d767de3bcfb5f8af0748bb6993f84a91c8d163aa9bb03578b6b96a6ab581eaad9

                              • C:\Users\Admin\AppData\Local\Temp\e56b942.exe

                                Filesize

                                97KB

                                MD5

                                17b33600f48a35bd7ad7fa64f63944db

                                SHA1

                                dbf6c7b724ac0ed70117c19dc1ecf08a096df003

                                SHA256

                                68c36ab7ea16e9bf479ebea762e03d21ec993c209928cb9766f1fdec439a4e81

                                SHA512

                                c2908e8c3c83122e02dd98c7b347ea4c121e8e28a893fa5042df4611e017a77d767de3bcfb5f8af0748bb6993f84a91c8d163aa9bb03578b6b96a6ab581eaad9

                              • C:\Users\Admin\AppData\Local\Temp\e56c614.exe

                                Filesize

                                97KB

                                MD5

                                17b33600f48a35bd7ad7fa64f63944db

                                SHA1

                                dbf6c7b724ac0ed70117c19dc1ecf08a096df003

                                SHA256

                                68c36ab7ea16e9bf479ebea762e03d21ec993c209928cb9766f1fdec439a4e81

                                SHA512

                                c2908e8c3c83122e02dd98c7b347ea4c121e8e28a893fa5042df4611e017a77d767de3bcfb5f8af0748bb6993f84a91c8d163aa9bb03578b6b96a6ab581eaad9

                              • C:\Users\Admin\AppData\Local\Temp\e56c614.exe

                                Filesize

                                97KB

                                MD5

                                17b33600f48a35bd7ad7fa64f63944db

                                SHA1

                                dbf6c7b724ac0ed70117c19dc1ecf08a096df003

                                SHA256

                                68c36ab7ea16e9bf479ebea762e03d21ec993c209928cb9766f1fdec439a4e81

                                SHA512

                                c2908e8c3c83122e02dd98c7b347ea4c121e8e28a893fa5042df4611e017a77d767de3bcfb5f8af0748bb6993f84a91c8d163aa9bb03578b6b96a6ab581eaad9

                              • C:\Users\Admin\AppData\Local\Temp\e56c652.exe

                                Filesize

                                97KB

                                MD5

                                17b33600f48a35bd7ad7fa64f63944db

                                SHA1

                                dbf6c7b724ac0ed70117c19dc1ecf08a096df003

                                SHA256

                                68c36ab7ea16e9bf479ebea762e03d21ec993c209928cb9766f1fdec439a4e81

                                SHA512

                                c2908e8c3c83122e02dd98c7b347ea4c121e8e28a893fa5042df4611e017a77d767de3bcfb5f8af0748bb6993f84a91c8d163aa9bb03578b6b96a6ab581eaad9

                              • C:\Users\Admin\AppData\Local\Temp\e56c652.exe

                                Filesize

                                97KB

                                MD5

                                17b33600f48a35bd7ad7fa64f63944db

                                SHA1

                                dbf6c7b724ac0ed70117c19dc1ecf08a096df003

                                SHA256

                                68c36ab7ea16e9bf479ebea762e03d21ec993c209928cb9766f1fdec439a4e81

                                SHA512

                                c2908e8c3c83122e02dd98c7b347ea4c121e8e28a893fa5042df4611e017a77d767de3bcfb5f8af0748bb6993f84a91c8d163aa9bb03578b6b96a6ab581eaad9

                              • C:\Windows\SYSTEM.INI

                                Filesize

                                256B

                                MD5

                                cbd2ee72c9a2d86ecf84254863fe9cb6

                                SHA1

                                0bae0885eb9f84c40abe6072c21c183beb6d074c

                                SHA256

                                9ac4848f117829d5647039451151ce164b1ce519338a23893222056394edcd2b

                                SHA512

                                93ede44ed5ca47f6c00bd5b44441014bd54d8a8dbc40a0c9042d2e229e1f2a842cc37939a0f8f59093fbbf978d6777137a7a94e28344173ba722f349d4e8cca1

                              • memory/2516-133-0x0000000010000000-0x0000000010020000-memory.dmp

                                Filesize

                                128KB

                              • memory/2772-150-0x0000000000400000-0x0000000000412000-memory.dmp

                                Filesize

                                72KB

                              • memory/2772-158-0x0000000000400000-0x0000000000412000-memory.dmp

                                Filesize

                                72KB

                              • memory/3228-156-0x0000000000400000-0x0000000000412000-memory.dmp

                                Filesize

                                72KB

                              • memory/3228-143-0x0000000000400000-0x0000000000412000-memory.dmp

                                Filesize

                                72KB

                              • memory/3492-159-0x0000000000400000-0x0000000000412000-memory.dmp

                                Filesize

                                72KB

                              • memory/3492-151-0x0000000000400000-0x0000000000412000-memory.dmp

                                Filesize

                                72KB

                              • memory/3492-157-0x0000000000B50000-0x0000000001C0A000-memory.dmp

                                Filesize

                                16.7MB

                              • memory/3492-160-0x0000000000B50000-0x0000000001C0A000-memory.dmp

                                Filesize

                                16.7MB

                              • memory/3492-154-0x0000000000B50000-0x0000000001C0A000-memory.dmp

                                Filesize

                                16.7MB

                              • memory/4356-139-0x0000000000800000-0x00000000018BA000-memory.dmp

                                Filesize

                                16.7MB

                              • memory/4356-153-0x0000000000800000-0x00000000018BA000-memory.dmp

                                Filesize

                                16.7MB

                              • memory/4356-152-0x0000000000800000-0x00000000018BA000-memory.dmp

                                Filesize

                                16.7MB

                              • memory/4356-138-0x0000000000400000-0x0000000000412000-memory.dmp

                                Filesize

                                72KB

                              • memory/4356-137-0x0000000000800000-0x00000000018BA000-memory.dmp

                                Filesize

                                16.7MB