Analysis

  • max time kernel
    139s
  • max time network
    150s
  • 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 10:19

General

  • Target

    9196ba79446d31128c8959b7eed199426442fb14d072abb5fcf9edc5f2bfd1fe.exe

  • Size

    602KB

  • MD5

    5007e3bbb65ca36eee5afebbb6de6c8b

  • SHA1

    5a2c4bb641787a80ff785856cc9affbd72b71650

  • SHA256

    9196ba79446d31128c8959b7eed199426442fb14d072abb5fcf9edc5f2bfd1fe

  • SHA512

    10b30f7a2405d035449628e44b811c33c8fecc64b357d0a31034e606c5964e64b96718c852a2bd5849d379026b139a41e1941bff89fad39e6e4531f596d6a040

  • SSDEEP

    12288:nIny5DYTkIf+mDxjj9Aqr+pj9t69VOhqRRiPVvWOy4K9YvikI:vUTkc+mBjSqr0j2hRidvWOyd

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\9196ba79446d31128c8959b7eed199426442fb14d072abb5fcf9edc5f2bfd1fe.exe
    "C:\Users\Admin\AppData\Local\Temp\9196ba79446d31128c8959b7eed199426442fb14d072abb5fcf9edc5f2bfd1fe.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:5056
    • C:\Windows\SysWOW64\net.exe
      net stop nethttpservice
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1228
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 stop nethttpservice
        3⤵
          PID:1536
      • C:\Windows\SysWOW64\net.exe
        net stop serviceupdater
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:4648
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop serviceupdater
          3⤵
            PID:1384
        • C:\Windows\SysWOW64\installd.exe
          "C:\Windows\system32\installd.exe" nethfdrv
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:1112
        • C:\Windows\SysWOW64\nethtsrv.exe
          "C:\Windows\system32\nethtsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:364
        • C:\Windows\SysWOW64\netupdsrv.exe
          "C:\Windows\system32\netupdsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          PID:4048
        • C:\Windows\SysWOW64\net.exe
          net start nethttpservice
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:216
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 start nethttpservice
            3⤵
              PID:2588
          • C:\Windows\SysWOW64\net.exe
            net start serviceupdater
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:4588
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 start serviceupdater
              3⤵
                PID:4856
          • 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:3200
          • C:\Windows\SysWOW64\netupdsrv.exe
            C:\Windows\SysWOW64\netupdsrv.exe
            1⤵
            • Executes dropped EXE
            PID:1124

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\nsc810E.tmp\System.dll

            Filesize

            11KB

            MD5

            c17103ae9072a06da581dec998343fc1

            SHA1

            b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

            SHA256

            dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

            SHA512

            d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

          • C:\Users\Admin\AppData\Local\Temp\nsc810E.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsc810E.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsc810E.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsc810E.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsc810E.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsc810E.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsc810E.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsc810E.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            fd7c251b69acca8c26cc37895f727b27

            SHA1

            cea9f181825543fdb7d7ff9f48638df682561aa2

            SHA256

            9111ab4264f8ef0f9d5ad4aab20a9230811390bae0a8386498b7bc1d75987799

            SHA512

            2946e49e9ee34fb623c17420932d862f39e017c0a72ebf8a2883069c6a265a0e57e720fa098e2a05cb5d874258046953a4a162c0e20fa4f36f36120bd8718a49

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            fd7c251b69acca8c26cc37895f727b27

            SHA1

            cea9f181825543fdb7d7ff9f48638df682561aa2

            SHA256

            9111ab4264f8ef0f9d5ad4aab20a9230811390bae0a8386498b7bc1d75987799

            SHA512

            2946e49e9ee34fb623c17420932d862f39e017c0a72ebf8a2883069c6a265a0e57e720fa098e2a05cb5d874258046953a4a162c0e20fa4f36f36120bd8718a49

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            fd7c251b69acca8c26cc37895f727b27

            SHA1

            cea9f181825543fdb7d7ff9f48638df682561aa2

            SHA256

            9111ab4264f8ef0f9d5ad4aab20a9230811390bae0a8386498b7bc1d75987799

            SHA512

            2946e49e9ee34fb623c17420932d862f39e017c0a72ebf8a2883069c6a265a0e57e720fa098e2a05cb5d874258046953a4a162c0e20fa4f36f36120bd8718a49

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            fd7c251b69acca8c26cc37895f727b27

            SHA1

            cea9f181825543fdb7d7ff9f48638df682561aa2

            SHA256

            9111ab4264f8ef0f9d5ad4aab20a9230811390bae0a8386498b7bc1d75987799

            SHA512

            2946e49e9ee34fb623c17420932d862f39e017c0a72ebf8a2883069c6a265a0e57e720fa098e2a05cb5d874258046953a4a162c0e20fa4f36f36120bd8718a49

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            244KB

            MD5

            0558d293e040df163d347690a4e91829

            SHA1

            f3a7c97e0cda904542d3f721137cc0de2e1c68eb

            SHA256

            cce15ffed24bb0982284221567269751e6958727a36a588cb9b46c21ae2ce712

            SHA512

            a9475c14fa03f6d8030e4481afa48fac41ad4c13c08aa7b1c5bae8d8b170d7a2e64828c0b9cf45dc29bcfb97c6d64532977c930de81aaa5fa1ead76069a7c2b5

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            244KB

            MD5

            0558d293e040df163d347690a4e91829

            SHA1

            f3a7c97e0cda904542d3f721137cc0de2e1c68eb

            SHA256

            cce15ffed24bb0982284221567269751e6958727a36a588cb9b46c21ae2ce712

            SHA512

            a9475c14fa03f6d8030e4481afa48fac41ad4c13c08aa7b1c5bae8d8b170d7a2e64828c0b9cf45dc29bcfb97c6d64532977c930de81aaa5fa1ead76069a7c2b5

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            244KB

            MD5

            0558d293e040df163d347690a4e91829

            SHA1

            f3a7c97e0cda904542d3f721137cc0de2e1c68eb

            SHA256

            cce15ffed24bb0982284221567269751e6958727a36a588cb9b46c21ae2ce712

            SHA512

            a9475c14fa03f6d8030e4481afa48fac41ad4c13c08aa7b1c5bae8d8b170d7a2e64828c0b9cf45dc29bcfb97c6d64532977c930de81aaa5fa1ead76069a7c2b5

          • C:\Windows\SysWOW64\installd.exe

            Filesize

            108KB

            MD5

            cbb702e1e650a8ae3c3e49ed5c143f55

            SHA1

            8960f3067e62a03c3fabbd90a2b5e42ddb453bb2

            SHA256

            37b9c6096ac0e553c260e58ea736d9fa9c2d13901f1a7f38722e268c49dad11e

            SHA512

            15dc2fb835b4dce97c47e21d417b521a45be668c24715c3df5db964bfbaac42d0f8416d8e9ce1ddc72eade8881d41fb1a5886d7bd94cf9793e293d3d63ede166

          • C:\Windows\SysWOW64\installd.exe

            Filesize

            108KB

            MD5

            cbb702e1e650a8ae3c3e49ed5c143f55

            SHA1

            8960f3067e62a03c3fabbd90a2b5e42ddb453bb2

            SHA256

            37b9c6096ac0e553c260e58ea736d9fa9c2d13901f1a7f38722e268c49dad11e

            SHA512

            15dc2fb835b4dce97c47e21d417b521a45be668c24715c3df5db964bfbaac42d0f8416d8e9ce1ddc72eade8881d41fb1a5886d7bd94cf9793e293d3d63ede166

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            8992d65ac90610755968880d818dcb37

            SHA1

            2d68b6f3b071f8c5078dfb35654e181e1f22f595

            SHA256

            678c42fbc54bad2859aab0dd3d8d06737afecadf3ed4efb78124f4ae3544a408

            SHA512

            7eec3988e73fa370b4464199d127fa6e88fc4eae400456ab6f874a98c7f8cb3f422536ed5e4e10518ae95118cc54f1a21d2883eb11e6ae3ab7ae884fc18af2ea

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            8992d65ac90610755968880d818dcb37

            SHA1

            2d68b6f3b071f8c5078dfb35654e181e1f22f595

            SHA256

            678c42fbc54bad2859aab0dd3d8d06737afecadf3ed4efb78124f4ae3544a408

            SHA512

            7eec3988e73fa370b4464199d127fa6e88fc4eae400456ab6f874a98c7f8cb3f422536ed5e4e10518ae95118cc54f1a21d2883eb11e6ae3ab7ae884fc18af2ea

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            8992d65ac90610755968880d818dcb37

            SHA1

            2d68b6f3b071f8c5078dfb35654e181e1f22f595

            SHA256

            678c42fbc54bad2859aab0dd3d8d06737afecadf3ed4efb78124f4ae3544a408

            SHA512

            7eec3988e73fa370b4464199d127fa6e88fc4eae400456ab6f874a98c7f8cb3f422536ed5e4e10518ae95118cc54f1a21d2883eb11e6ae3ab7ae884fc18af2ea

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            775a1972605c6f4e512ac7300d0ac272

            SHA1

            891702f39c79147823e85c67d064e5d10792c3f2

            SHA256

            53082e341c37359d9d9f8b21bf47b7795ed5007a9781a6775693c9b9798b2544

            SHA512

            d944771829ce387cd52080b35840d0a2d75e57f4986af5847bac9d5a21ecc4dc5b1efc71f40c6428c5ac4731bd37fb2f5f7f05290e6efca1937cf74fe81e9796

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            775a1972605c6f4e512ac7300d0ac272

            SHA1

            891702f39c79147823e85c67d064e5d10792c3f2

            SHA256

            53082e341c37359d9d9f8b21bf47b7795ed5007a9781a6775693c9b9798b2544

            SHA512

            d944771829ce387cd52080b35840d0a2d75e57f4986af5847bac9d5a21ecc4dc5b1efc71f40c6428c5ac4731bd37fb2f5f7f05290e6efca1937cf74fe81e9796

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            775a1972605c6f4e512ac7300d0ac272

            SHA1

            891702f39c79147823e85c67d064e5d10792c3f2

            SHA256

            53082e341c37359d9d9f8b21bf47b7795ed5007a9781a6775693c9b9798b2544

            SHA512

            d944771829ce387cd52080b35840d0a2d75e57f4986af5847bac9d5a21ecc4dc5b1efc71f40c6428c5ac4731bd37fb2f5f7f05290e6efca1937cf74fe81e9796

          • memory/216-158-0x0000000000000000-mapping.dmp

          • memory/364-147-0x0000000000000000-mapping.dmp

          • memory/1112-142-0x0000000000000000-mapping.dmp

          • memory/1228-135-0x0000000000000000-mapping.dmp

          • memory/1384-141-0x0000000000000000-mapping.dmp

          • memory/1536-136-0x0000000000000000-mapping.dmp

          • memory/2588-159-0x0000000000000000-mapping.dmp

          • memory/4048-153-0x0000000000000000-mapping.dmp

          • memory/4588-165-0x0000000000000000-mapping.dmp

          • memory/4648-140-0x0000000000000000-mapping.dmp

          • memory/4856-166-0x0000000000000000-mapping.dmp

          • memory/5056-137-0x0000000000360000-0x00000000007BE000-memory.dmp

            Filesize

            4.4MB

          • memory/5056-168-0x0000000000360000-0x00000000007BE000-memory.dmp

            Filesize

            4.4MB