Analysis

  • max time kernel
    152s
  • max time network
    33s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    24-11-2022 00:27

General

  • Target

    a3aa0d4c316eadee4d773119b80300f589b0628b9335e8c9991577cb6cb7f414.exe

  • Size

    263KB

  • MD5

    1ec133906208ca7c71adc01d58121850

  • SHA1

    20b1cf2a5ab9bcdf40ee36acd87b2f0d21143346

  • SHA256

    a3aa0d4c316eadee4d773119b80300f589b0628b9335e8c9991577cb6cb7f414

  • SHA512

    99d2b394fefc555558b55cde13ecff463ce14dd6fb7ffc4d587e656c390064bfa96c148291d36f7363404f125707915166e01cc520c829f693a7370dd048ea80

  • SSDEEP

    6144:646tGdyyqnzuWFok3WCgKq7RQ+XUPMPLbWR5I4+2:63Ny2xok385XU8L0J+2

Score
8/10

Malware Config

Signatures

  • Drops file in Drivers directory 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Enumerates connected drives 3 TTPs 22 IoCs

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

  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 4 IoCs
  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 43 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1232
      • C:\Users\Admin\AppData\Local\Temp\a3aa0d4c316eadee4d773119b80300f589b0628b9335e8c9991577cb6cb7f414.exe
        "C:\Users\Admin\AppData\Local\Temp\a3aa0d4c316eadee4d773119b80300f589b0628b9335e8c9991577cb6cb7f414.exe"
        2⤵
        • Drops file in Drivers directory
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:976
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:964
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:1200
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c C:\Users\Admin\AppData\Local\Temp\$$aFC4A.bat
            3⤵
            • Deletes itself
            • Loads dropped DLL
            • Suspicious use of WriteProcessMemory
            PID:1032
            • C:\Users\Admin\AppData\Local\Temp\a3aa0d4c316eadee4d773119b80300f589b0628b9335e8c9991577cb6cb7f414.exe
              "C:\Users\Admin\AppData\Local\Temp\a3aa0d4c316eadee4d773119b80300f589b0628b9335e8c9991577cb6cb7f414.exe"
              4⤵
              • Executes dropped EXE
              PID:1696
          • C:\Windows\Logo1_.exe
            C:\Windows\Logo1_.exe
            3⤵
            • Drops file in Drivers directory
            • Executes dropped EXE
            • Enumerates connected drives
            • Drops file in Program Files directory
            • Drops file in Windows directory
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of WriteProcessMemory
            PID:1560
            • C:\Windows\SysWOW64\net.exe
              net stop "Kingsoft AntiVirus Service"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:1568
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                5⤵
                  PID:1888
              • C:\Windows\SysWOW64\net.exe
                net stop "Kingsoft AntiVirus Service"
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:1660
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                  5⤵
                    PID:1704

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\$$aFC4A.bat

            Filesize

            722B

            MD5

            9bcc546cb6ea6dbc4e1bf7dcd8fd92ce

            SHA1

            8ef62755931f901f5c5cce810c03acb3291d878b

            SHA256

            ed70c7b095ba369727c0b24361d31ff2b69991df7378267fdbb18fcccc2cd2a2

            SHA512

            85ca2abff5829ed9622a89752da4703258076b405cb240356345afc0b94d1d2dca298880383a28637b6256e599f1bebb00263844fca71b04ec7312b718cb02ef

          • C:\Users\Admin\AppData\Local\Temp\a3aa0d4c316eadee4d773119b80300f589b0628b9335e8c9991577cb6cb7f414.exe

            Filesize

            229KB

            MD5

            e71e6996d04b0afe7f78af232cc0dc30

            SHA1

            3a6799d9579ce63b85397fd5e9f027135bd85724

            SHA256

            587e1ddb514ec71979041982e1e53311fbc502c53c9113fd7b9820bbb8256d04

            SHA512

            cc3f117d16e8068d18615aa5bc38c4ebc7824cd33a2cca629cc07e25e3ac403dafe04de345379287b3795331f3c200585b73f93ce5823d7b545263510ee4baf4

          • C:\Users\Admin\AppData\Local\Temp\a3aa0d4c316eadee4d773119b80300f589b0628b9335e8c9991577cb6cb7f414.exe.exe

            Filesize

            229KB

            MD5

            e71e6996d04b0afe7f78af232cc0dc30

            SHA1

            3a6799d9579ce63b85397fd5e9f027135bd85724

            SHA256

            587e1ddb514ec71979041982e1e53311fbc502c53c9113fd7b9820bbb8256d04

            SHA512

            cc3f117d16e8068d18615aa5bc38c4ebc7824cd33a2cca629cc07e25e3ac403dafe04de345379287b3795331f3c200585b73f93ce5823d7b545263510ee4baf4

          • C:\Windows\Logo1_.exe

            Filesize

            33KB

            MD5

            3b2ab16367a1ff2698d95ace66a0baa3

            SHA1

            9a0afe324f657ce47b601c4c18fd60da2c8ef8ed

            SHA256

            4fb1b9ad649fe614f9286e5474dc810f0924d3adc13ce608eff4abbfee3fcaa1

            SHA512

            42d1167983d7507f06821efc2caa2cf263bbbf59933a4b39399901127cb2877eef8cea27d32b1c95fb0d92a43db85132aedee88b90a6abf67eec9ac6ce9dfa6a

          • C:\Windows\Logo1_.exe

            Filesize

            33KB

            MD5

            3b2ab16367a1ff2698d95ace66a0baa3

            SHA1

            9a0afe324f657ce47b601c4c18fd60da2c8ef8ed

            SHA256

            4fb1b9ad649fe614f9286e5474dc810f0924d3adc13ce608eff4abbfee3fcaa1

            SHA512

            42d1167983d7507f06821efc2caa2cf263bbbf59933a4b39399901127cb2877eef8cea27d32b1c95fb0d92a43db85132aedee88b90a6abf67eec9ac6ce9dfa6a

          • C:\Windows\rundl132.exe

            Filesize

            33KB

            MD5

            3b2ab16367a1ff2698d95ace66a0baa3

            SHA1

            9a0afe324f657ce47b601c4c18fd60da2c8ef8ed

            SHA256

            4fb1b9ad649fe614f9286e5474dc810f0924d3adc13ce608eff4abbfee3fcaa1

            SHA512

            42d1167983d7507f06821efc2caa2cf263bbbf59933a4b39399901127cb2877eef8cea27d32b1c95fb0d92a43db85132aedee88b90a6abf67eec9ac6ce9dfa6a

          • \Users\Admin\AppData\Local\Temp\a3aa0d4c316eadee4d773119b80300f589b0628b9335e8c9991577cb6cb7f414.exe

            Filesize

            229KB

            MD5

            e71e6996d04b0afe7f78af232cc0dc30

            SHA1

            3a6799d9579ce63b85397fd5e9f027135bd85724

            SHA256

            587e1ddb514ec71979041982e1e53311fbc502c53c9113fd7b9820bbb8256d04

            SHA512

            cc3f117d16e8068d18615aa5bc38c4ebc7824cd33a2cca629cc07e25e3ac403dafe04de345379287b3795331f3c200585b73f93ce5823d7b545263510ee4baf4

          • \Users\Admin\AppData\Local\Temp\a3aa0d4c316eadee4d773119b80300f589b0628b9335e8c9991577cb6cb7f414.exe

            Filesize

            229KB

            MD5

            e71e6996d04b0afe7f78af232cc0dc30

            SHA1

            3a6799d9579ce63b85397fd5e9f027135bd85724

            SHA256

            587e1ddb514ec71979041982e1e53311fbc502c53c9113fd7b9820bbb8256d04

            SHA512

            cc3f117d16e8068d18615aa5bc38c4ebc7824cd33a2cca629cc07e25e3ac403dafe04de345379287b3795331f3c200585b73f93ce5823d7b545263510ee4baf4

          • memory/964-55-0x0000000000000000-mapping.dmp

          • memory/976-54-0x0000000000400000-0x000000000043E000-memory.dmp

            Filesize

            248KB

          • memory/976-57-0x0000000000400000-0x000000000043E000-memory.dmp

            Filesize

            248KB

          • memory/1032-58-0x0000000000000000-mapping.dmp

          • memory/1200-56-0x0000000000000000-mapping.dmp

          • memory/1560-59-0x0000000000000000-mapping.dmp

          • memory/1560-64-0x0000000000400000-0x000000000043E000-memory.dmp

            Filesize

            248KB

          • memory/1560-75-0x0000000000400000-0x000000000043E000-memory.dmp

            Filesize

            248KB

          • memory/1568-62-0x0000000000000000-mapping.dmp

          • memory/1660-66-0x0000000000000000-mapping.dmp

          • memory/1696-72-0x0000000000000000-mapping.dmp

          • memory/1696-74-0x0000000075E61000-0x0000000075E63000-memory.dmp

            Filesize

            8KB

          • memory/1704-67-0x0000000000000000-mapping.dmp

          • memory/1888-63-0x0000000000000000-mapping.dmp