Analysis

  • max time kernel
    174s
  • max time network
    184s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-11-2022 10:33

General

  • Target

    13faea7a30c1d3990f24a72145053d610462ac0f284082a071133233277618c8.exe

  • Size

    602KB

  • MD5

    e738cbe28cd773d60e8628182c583e69

  • SHA1

    549460aefbfecc8991f7b5544ab6cabf73c63b88

  • SHA256

    13faea7a30c1d3990f24a72145053d610462ac0f284082a071133233277618c8

  • SHA512

    59009f69b5bda3fcceb26d29ee7ece296704690f6a61b138a56ca5cb57bc1632e7f098f7a27809fa63d6ac92aa58d80018ba93a1691d9d45e4b92c4de9a96f5a

  • SSDEEP

    12288:FIny5DYTO1GjLWfphrUigwkhTwnBVDtKsKtR:xUTvWXUxduxK5tR

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\13faea7a30c1d3990f24a72145053d610462ac0f284082a071133233277618c8.exe
    "C:\Users\Admin\AppData\Local\Temp\13faea7a30c1d3990f24a72145053d610462ac0f284082a071133233277618c8.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:4896
    • C:\Windows\SysWOW64\net.exe
      net stop nethttpservice
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4432
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 stop nethttpservice
        3⤵
          PID:3280
      • C:\Windows\SysWOW64\net.exe
        net stop serviceupdater
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:4192
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop serviceupdater
          3⤵
            PID:4612
        • C:\Windows\SysWOW64\installd.exe
          "C:\Windows\system32\installd.exe" nethfdrv
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:3936
        • C:\Windows\SysWOW64\nethtsrv.exe
          "C:\Windows\system32\nethtsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:2508
        • 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:4320
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 start nethttpservice
            3⤵
              PID:3456
          • C:\Windows\SysWOW64\net.exe
            net start serviceupdater
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:4992
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 start serviceupdater
              3⤵
                PID:3236
          • 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:748
          • C:\Windows\SysWOW64\netupdsrv.exe
            C:\Windows\SysWOW64\netupdsrv.exe
            1⤵
            • Executes dropped EXE
            PID:1312

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\nsd42D7.tmp\System.dll

            Filesize

            11KB

            MD5

            c17103ae9072a06da581dec998343fc1

            SHA1

            b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

            SHA256

            dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

            SHA512

            d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

          • C:\Users\Admin\AppData\Local\Temp\nsd42D7.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsd42D7.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsd42D7.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsd42D7.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsd42D7.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsd42D7.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsd42D7.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsd42D7.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            b75bcab384ec173cbb51c25e0a6af927

            SHA1

            1839f206d087bc762a51bad8f2c87eb61f5df492

            SHA256

            45638240a043f6cd5a0d9ec2afcba0930f58acb0d7eaa10ed0578ce9a2882ae6

            SHA512

            15087bc8683f487330938202e6b1d8c31f5d234a0e4c7663f347bed0adc06b5d3b8e1c4acbb18e616ca2a53c88f8fa5781339c6381149a5f168bc129d976716a

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            b75bcab384ec173cbb51c25e0a6af927

            SHA1

            1839f206d087bc762a51bad8f2c87eb61f5df492

            SHA256

            45638240a043f6cd5a0d9ec2afcba0930f58acb0d7eaa10ed0578ce9a2882ae6

            SHA512

            15087bc8683f487330938202e6b1d8c31f5d234a0e4c7663f347bed0adc06b5d3b8e1c4acbb18e616ca2a53c88f8fa5781339c6381149a5f168bc129d976716a

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            b75bcab384ec173cbb51c25e0a6af927

            SHA1

            1839f206d087bc762a51bad8f2c87eb61f5df492

            SHA256

            45638240a043f6cd5a0d9ec2afcba0930f58acb0d7eaa10ed0578ce9a2882ae6

            SHA512

            15087bc8683f487330938202e6b1d8c31f5d234a0e4c7663f347bed0adc06b5d3b8e1c4acbb18e616ca2a53c88f8fa5781339c6381149a5f168bc129d976716a

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            b75bcab384ec173cbb51c25e0a6af927

            SHA1

            1839f206d087bc762a51bad8f2c87eb61f5df492

            SHA256

            45638240a043f6cd5a0d9ec2afcba0930f58acb0d7eaa10ed0578ce9a2882ae6

            SHA512

            15087bc8683f487330938202e6b1d8c31f5d234a0e4c7663f347bed0adc06b5d3b8e1c4acbb18e616ca2a53c88f8fa5781339c6381149a5f168bc129d976716a

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            241KB

            MD5

            6e6e278a960c3bebb5a7715a26fcd812

            SHA1

            56ec4c24e4edad5c0640387aa57ee857bea80d9b

            SHA256

            56dae880aa59aaf485d9228257ec65e1cb4d5469370cf00b1adaf7f000a919fc

            SHA512

            ba450749b79a689a6a628b8a0a48c10c993ed0e02ac4361361290aa809c9077e70dfec938bbfc99391453ba3d04dbc44c59e2822c045c257ee03c4b75efbde68

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            241KB

            MD5

            6e6e278a960c3bebb5a7715a26fcd812

            SHA1

            56ec4c24e4edad5c0640387aa57ee857bea80d9b

            SHA256

            56dae880aa59aaf485d9228257ec65e1cb4d5469370cf00b1adaf7f000a919fc

            SHA512

            ba450749b79a689a6a628b8a0a48c10c993ed0e02ac4361361290aa809c9077e70dfec938bbfc99391453ba3d04dbc44c59e2822c045c257ee03c4b75efbde68

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            241KB

            MD5

            6e6e278a960c3bebb5a7715a26fcd812

            SHA1

            56ec4c24e4edad5c0640387aa57ee857bea80d9b

            SHA256

            56dae880aa59aaf485d9228257ec65e1cb4d5469370cf00b1adaf7f000a919fc

            SHA512

            ba450749b79a689a6a628b8a0a48c10c993ed0e02ac4361361290aa809c9077e70dfec938bbfc99391453ba3d04dbc44c59e2822c045c257ee03c4b75efbde68

          • C:\Windows\SysWOW64\installd.exe

            Filesize

            108KB

            MD5

            c906665d03de7d70d0f3b3eaf1bd9ec3

            SHA1

            afcb343f1df81f4cb133109179a554ec12019118

            SHA256

            dd98fb8ccf0381adeb95827702aa45265eea2d132bf150ce607d679649b36908

            SHA512

            aa9935525bbea061595a45b9590fd9083a51b169bb6faddf7fdfbd4f205671a2ec515cb6f1dccb3a15a71e0426aa619049424f890b8d08df0503194bea032685

          • C:\Windows\SysWOW64\installd.exe

            Filesize

            108KB

            MD5

            c906665d03de7d70d0f3b3eaf1bd9ec3

            SHA1

            afcb343f1df81f4cb133109179a554ec12019118

            SHA256

            dd98fb8ccf0381adeb95827702aa45265eea2d132bf150ce607d679649b36908

            SHA512

            aa9935525bbea061595a45b9590fd9083a51b169bb6faddf7fdfbd4f205671a2ec515cb6f1dccb3a15a71e0426aa619049424f890b8d08df0503194bea032685

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            35412ab5df56e3cd1ba6f1481e6f615c

            SHA1

            b144f2d29e7763ea8856a45b8fd85af7f3c51755

            SHA256

            11192b176fccb649ff2626ed1196d09bd9eaaaab97d5edbb159c849e1893dc7e

            SHA512

            ab5290ed22a838a95d305d9929bdb0e616c7d5468e298b949a6c010b15c1b44577911ec986a2fdc36a5440dedd1613267c44236fcf9c9939b44f8672423b6c41

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            35412ab5df56e3cd1ba6f1481e6f615c

            SHA1

            b144f2d29e7763ea8856a45b8fd85af7f3c51755

            SHA256

            11192b176fccb649ff2626ed1196d09bd9eaaaab97d5edbb159c849e1893dc7e

            SHA512

            ab5290ed22a838a95d305d9929bdb0e616c7d5468e298b949a6c010b15c1b44577911ec986a2fdc36a5440dedd1613267c44236fcf9c9939b44f8672423b6c41

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            35412ab5df56e3cd1ba6f1481e6f615c

            SHA1

            b144f2d29e7763ea8856a45b8fd85af7f3c51755

            SHA256

            11192b176fccb649ff2626ed1196d09bd9eaaaab97d5edbb159c849e1893dc7e

            SHA512

            ab5290ed22a838a95d305d9929bdb0e616c7d5468e298b949a6c010b15c1b44577911ec986a2fdc36a5440dedd1613267c44236fcf9c9939b44f8672423b6c41

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            0ca726c0b542ab642034d94733b1a384

            SHA1

            2df9fee1a21b40d88a8f227abce7faf2b9e1c001

            SHA256

            afdcec12b13032bb39bc9adff6fee282db45b206a41707ed82370abdd83b6de2

            SHA512

            6966f84f566db8929ebd09f0283ce3790102a5ea7081b2858257d65a536cacfba683b9a5bf5ac2cf7d63bb5146d9428f822c90badbb2fb1c3c3f2ca4eea16287

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            0ca726c0b542ab642034d94733b1a384

            SHA1

            2df9fee1a21b40d88a8f227abce7faf2b9e1c001

            SHA256

            afdcec12b13032bb39bc9adff6fee282db45b206a41707ed82370abdd83b6de2

            SHA512

            6966f84f566db8929ebd09f0283ce3790102a5ea7081b2858257d65a536cacfba683b9a5bf5ac2cf7d63bb5146d9428f822c90badbb2fb1c3c3f2ca4eea16287

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            0ca726c0b542ab642034d94733b1a384

            SHA1

            2df9fee1a21b40d88a8f227abce7faf2b9e1c001

            SHA256

            afdcec12b13032bb39bc9adff6fee282db45b206a41707ed82370abdd83b6de2

            SHA512

            6966f84f566db8929ebd09f0283ce3790102a5ea7081b2858257d65a536cacfba683b9a5bf5ac2cf7d63bb5146d9428f822c90badbb2fb1c3c3f2ca4eea16287

          • memory/2508-147-0x0000000000000000-mapping.dmp

          • memory/3236-166-0x0000000000000000-mapping.dmp

          • memory/3280-137-0x0000000000000000-mapping.dmp

          • memory/3456-159-0x0000000000000000-mapping.dmp

          • memory/3936-142-0x0000000000000000-mapping.dmp

          • memory/4192-140-0x0000000000000000-mapping.dmp

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

          • memory/4320-158-0x0000000000000000-mapping.dmp

          • memory/4432-135-0x0000000000000000-mapping.dmp

          • memory/4612-141-0x0000000000000000-mapping.dmp

          • memory/4896-136-0x0000000000360000-0x00000000007BE000-memory.dmp

            Filesize

            4.4MB

          • memory/4896-168-0x0000000000360000-0x00000000007BE000-memory.dmp

            Filesize

            4.4MB

          • memory/4992-165-0x0000000000000000-mapping.dmp