Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-11-2022 10:29

General

  • Target

    32b17cae0668b0531e2feed3136c89fa7f1d57c7aeca5fb47241c047b1e60902.exe

  • Size

    602KB

  • MD5

    ae2b28c7b9b26938d5a85e9ed81803ce

  • SHA1

    649c9c7acaa865d1764c25cdc23d53c41fe6923b

  • SHA256

    32b17cae0668b0531e2feed3136c89fa7f1d57c7aeca5fb47241c047b1e60902

  • SHA512

    e0fc29d9423aaf15d8dc0e6a0fc1353e0f99fff694ab8834e142585352a82905157fc296321f7e03e90263ff26cf1b6fad930d3728fc2548d353437e1e78fbf9

  • SSDEEP

    12288:CIny5DYTuLVGagPZaHkmlXcGUL31bctW23V2MZ4n0M:kUTuLVGaAI/MtlN23bZ40

Score
8/10

Malware Config

Signatures

  • Drops file in Drivers directory 1 IoCs
  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 14 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Drops file in System32 directory 5 IoCs
  • Drops file in Program Files directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Modifies data under HKEY_USERS 1 IoCs
  • Runs net.exe
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 33 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\32b17cae0668b0531e2feed3136c89fa7f1d57c7aeca5fb47241c047b1e60902.exe
    "C:\Users\Admin\AppData\Local\Temp\32b17cae0668b0531e2feed3136c89fa7f1d57c7aeca5fb47241c047b1e60902.exe"
    1⤵
    • Drops file in Drivers directory
    • Loads dropped DLL
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Suspicious use of WriteProcessMemory
    PID:4612
    • C:\Windows\SysWOW64\net.exe
      net stop nethttpservice
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:732
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 stop nethttpservice
        3⤵
          PID:3516
      • C:\Windows\SysWOW64\net.exe
        net stop serviceupdater
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:4264
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop serviceupdater
          3⤵
            PID:5052
        • C:\Windows\SysWOW64\installd.exe
          "C:\Windows\system32\installd.exe" nethfdrv
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:2184
        • C:\Windows\SysWOW64\nethtsrv.exe
          "C:\Windows\system32\nethtsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:4728
        • C:\Windows\SysWOW64\netupdsrv.exe
          "C:\Windows\system32\netupdsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          PID:4228
        • C:\Windows\SysWOW64\net.exe
          net start nethttpservice
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:4512
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 start nethttpservice
            3⤵
              PID:176
          • C:\Windows\SysWOW64\net.exe
            net start serviceupdater
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:3096
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 start serviceupdater
              3⤵
                PID:4956
          • C:\Windows\SysWOW64\nethtsrv.exe
            C:\Windows\SysWOW64\nethtsrv.exe
            1⤵
            • Executes dropped EXE
            • Loads dropped DLL
            • Modifies data under HKEY_USERS
            • Suspicious use of AdjustPrivilegeToken
            PID:216
          • C:\Windows\SysWOW64\netupdsrv.exe
            C:\Windows\SysWOW64\netupdsrv.exe
            1⤵
            • Executes dropped EXE
            PID:2288

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\nsiCFCA.tmp\System.dll

            Filesize

            11KB

            MD5

            c17103ae9072a06da581dec998343fc1

            SHA1

            b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

            SHA256

            dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

            SHA512

            d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

          • C:\Users\Admin\AppData\Local\Temp\nsiCFCA.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsiCFCA.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsiCFCA.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsiCFCA.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsiCFCA.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsiCFCA.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsiCFCA.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsiCFCA.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            e41f010dcef2ec9bbbbddc1f4f4f84c5

            SHA1

            3c37d380f5224cf5e7758866052b7a6dc84ac281

            SHA256

            28499bc61f8cdde1074cabe113f4c9e33a52e97c675636fcadd6838797c597a6

            SHA512

            b8b49d6c9f4d77d3e9d11666ad37e1007f4f3c1cb22adc75b8a86f7f8d337a76390ba18e0e627c9cc693afa8ce7d0757f0a1a93888b06c277d6dc22410e14d0f

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            e41f010dcef2ec9bbbbddc1f4f4f84c5

            SHA1

            3c37d380f5224cf5e7758866052b7a6dc84ac281

            SHA256

            28499bc61f8cdde1074cabe113f4c9e33a52e97c675636fcadd6838797c597a6

            SHA512

            b8b49d6c9f4d77d3e9d11666ad37e1007f4f3c1cb22adc75b8a86f7f8d337a76390ba18e0e627c9cc693afa8ce7d0757f0a1a93888b06c277d6dc22410e14d0f

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            e41f010dcef2ec9bbbbddc1f4f4f84c5

            SHA1

            3c37d380f5224cf5e7758866052b7a6dc84ac281

            SHA256

            28499bc61f8cdde1074cabe113f4c9e33a52e97c675636fcadd6838797c597a6

            SHA512

            b8b49d6c9f4d77d3e9d11666ad37e1007f4f3c1cb22adc75b8a86f7f8d337a76390ba18e0e627c9cc693afa8ce7d0757f0a1a93888b06c277d6dc22410e14d0f

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            e41f010dcef2ec9bbbbddc1f4f4f84c5

            SHA1

            3c37d380f5224cf5e7758866052b7a6dc84ac281

            SHA256

            28499bc61f8cdde1074cabe113f4c9e33a52e97c675636fcadd6838797c597a6

            SHA512

            b8b49d6c9f4d77d3e9d11666ad37e1007f4f3c1cb22adc75b8a86f7f8d337a76390ba18e0e627c9cc693afa8ce7d0757f0a1a93888b06c277d6dc22410e14d0f

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            241KB

            MD5

            fbae26e3fb6a75a0f5e0cac9dfa988ba

            SHA1

            24b154c001328a3aca3478d07898b7424cfef564

            SHA256

            87bca203c6d6558d2b3e2a497534afd50cd96434690e5c712da3d5e7cea65ce8

            SHA512

            489b413bef27e50888245945969b9b80e064ac01a8ec00afb8371227fa0fa14fb388ba063b258bf7157bfb0e41fc0790643fc5e9a6074e7b63293500778c283d

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            241KB

            MD5

            fbae26e3fb6a75a0f5e0cac9dfa988ba

            SHA1

            24b154c001328a3aca3478d07898b7424cfef564

            SHA256

            87bca203c6d6558d2b3e2a497534afd50cd96434690e5c712da3d5e7cea65ce8

            SHA512

            489b413bef27e50888245945969b9b80e064ac01a8ec00afb8371227fa0fa14fb388ba063b258bf7157bfb0e41fc0790643fc5e9a6074e7b63293500778c283d

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            241KB

            MD5

            fbae26e3fb6a75a0f5e0cac9dfa988ba

            SHA1

            24b154c001328a3aca3478d07898b7424cfef564

            SHA256

            87bca203c6d6558d2b3e2a497534afd50cd96434690e5c712da3d5e7cea65ce8

            SHA512

            489b413bef27e50888245945969b9b80e064ac01a8ec00afb8371227fa0fa14fb388ba063b258bf7157bfb0e41fc0790643fc5e9a6074e7b63293500778c283d

          • C:\Windows\SysWOW64\installd.exe

            Filesize

            108KB

            MD5

            6fea32ae899c36a6e3c0eaf9cbfbab62

            SHA1

            df7641f1ab4deec19fd78ff9d75850758086156c

            SHA256

            4990df24e73eaa39defe6af5341bee5e9480feaaaf920ae181a1ca30641d93a3

            SHA512

            9c2dd0cd30fb7b8fa617fed7cda7eeab6997b6d9443ea4e1149096627e0bd8215b2fea2f0ca8e157231dbd5cffccfb3ae44147dad658897aa45101e9c79f5ec3

          • C:\Windows\SysWOW64\installd.exe

            Filesize

            108KB

            MD5

            6fea32ae899c36a6e3c0eaf9cbfbab62

            SHA1

            df7641f1ab4deec19fd78ff9d75850758086156c

            SHA256

            4990df24e73eaa39defe6af5341bee5e9480feaaaf920ae181a1ca30641d93a3

            SHA512

            9c2dd0cd30fb7b8fa617fed7cda7eeab6997b6d9443ea4e1149096627e0bd8215b2fea2f0ca8e157231dbd5cffccfb3ae44147dad658897aa45101e9c79f5ec3

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            ecbd28b7b7c28e47ba98dcf40d39ccc3

            SHA1

            2a066e2f066113754f7ede5e1ab246d7e51545db

            SHA256

            c819f3ca3f27cd26134df476a46d9dd13c1cfc591db5bfce1a6ae7421ce62ad5

            SHA512

            0c3cacfd517d0229197b68f5e34474c1b2e76064d371ed573f57cfd38d3e6548ac9602bce092f45344fd205cecc81ec9c5a87477f6e1c70d67a70e9db73424f3

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            ecbd28b7b7c28e47ba98dcf40d39ccc3

            SHA1

            2a066e2f066113754f7ede5e1ab246d7e51545db

            SHA256

            c819f3ca3f27cd26134df476a46d9dd13c1cfc591db5bfce1a6ae7421ce62ad5

            SHA512

            0c3cacfd517d0229197b68f5e34474c1b2e76064d371ed573f57cfd38d3e6548ac9602bce092f45344fd205cecc81ec9c5a87477f6e1c70d67a70e9db73424f3

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            ecbd28b7b7c28e47ba98dcf40d39ccc3

            SHA1

            2a066e2f066113754f7ede5e1ab246d7e51545db

            SHA256

            c819f3ca3f27cd26134df476a46d9dd13c1cfc591db5bfce1a6ae7421ce62ad5

            SHA512

            0c3cacfd517d0229197b68f5e34474c1b2e76064d371ed573f57cfd38d3e6548ac9602bce092f45344fd205cecc81ec9c5a87477f6e1c70d67a70e9db73424f3

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            d25e3bdf33a8a61a2afd45984f0ea679

            SHA1

            aa956e571df6321abffafb4ee55d83a002f626a3

            SHA256

            b36c6117b356ae5f59a0def7ba38e32f3baa3113a4450160a82892d063c1bb8d

            SHA512

            30872cccb0a6c0a4adbb6d57754b2ef8822c519a8107fa81275a680d3d889c67db4a76e588a159f6947b7f411b0b3565cdb5edae3007fd7b9446143f11d6e0ce

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            d25e3bdf33a8a61a2afd45984f0ea679

            SHA1

            aa956e571df6321abffafb4ee55d83a002f626a3

            SHA256

            b36c6117b356ae5f59a0def7ba38e32f3baa3113a4450160a82892d063c1bb8d

            SHA512

            30872cccb0a6c0a4adbb6d57754b2ef8822c519a8107fa81275a680d3d889c67db4a76e588a159f6947b7f411b0b3565cdb5edae3007fd7b9446143f11d6e0ce

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            d25e3bdf33a8a61a2afd45984f0ea679

            SHA1

            aa956e571df6321abffafb4ee55d83a002f626a3

            SHA256

            b36c6117b356ae5f59a0def7ba38e32f3baa3113a4450160a82892d063c1bb8d

            SHA512

            30872cccb0a6c0a4adbb6d57754b2ef8822c519a8107fa81275a680d3d889c67db4a76e588a159f6947b7f411b0b3565cdb5edae3007fd7b9446143f11d6e0ce

          • memory/176-159-0x0000000000000000-mapping.dmp

          • memory/732-135-0x0000000000000000-mapping.dmp

          • memory/2184-142-0x0000000000000000-mapping.dmp

          • memory/3096-165-0x0000000000000000-mapping.dmp

          • memory/3516-136-0x0000000000000000-mapping.dmp

          • memory/4228-153-0x0000000000000000-mapping.dmp

          • memory/4264-140-0x0000000000000000-mapping.dmp

          • memory/4512-158-0x0000000000000000-mapping.dmp

          • memory/4612-137-0x0000000000360000-0x00000000007BE000-memory.dmp

            Filesize

            4.4MB

          • memory/4612-168-0x0000000000360000-0x00000000007BE000-memory.dmp

            Filesize

            4.4MB

          • memory/4728-147-0x0000000000000000-mapping.dmp

          • memory/4956-166-0x0000000000000000-mapping.dmp

          • memory/5052-141-0x0000000000000000-mapping.dmp