Analysis

  • max time kernel
    152s
  • max time network
    168s
  • 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 10:20

General

  • Target

    8591326a450eb1a85e551aa3d04122247dbef47b5f2f820e0434d8b871addab0.exe

  • Size

    602KB

  • MD5

    786e15f9b7ed24ace4b7541911591c45

  • SHA1

    d8e56c479dc743335496e60d11b02e721e3690d2

  • SHA256

    8591326a450eb1a85e551aa3d04122247dbef47b5f2f820e0434d8b871addab0

  • SHA512

    cab3764133cac4c8631aa0299dac9a32e96c31e0246eee6363fcdfbf5c9fafd4224f61543489423eb4ccfe00473383e2cb4954550511b5be4f6b15338aa52125

  • SSDEEP

    12288:qIny5DYTW4bfeJjiYk2zCfGCoB5UlL5U5MoN9Q:sUTW2muY79B5U4MoN

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\8591326a450eb1a85e551aa3d04122247dbef47b5f2f820e0434d8b871addab0.exe
    "C:\Users\Admin\AppData\Local\Temp\8591326a450eb1a85e551aa3d04122247dbef47b5f2f820e0434d8b871addab0.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:1556
    • C:\Windows\SysWOW64\net.exe
      net stop nethttpservice
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2192
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 stop nethttpservice
        3⤵
          PID:4396
      • C:\Windows\SysWOW64\net.exe
        net stop serviceupdater
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1896
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop serviceupdater
          3⤵
            PID:4280
        • C:\Windows\SysWOW64\installd.exe
          "C:\Windows\system32\installd.exe" nethfdrv
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:4300
        • C:\Windows\SysWOW64\nethtsrv.exe
          "C:\Windows\system32\nethtsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:1680
        • C:\Windows\SysWOW64\netupdsrv.exe
          "C:\Windows\system32\netupdsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          PID:1812
        • C:\Windows\SysWOW64\net.exe
          net start nethttpservice
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:2216
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 start nethttpservice
            3⤵
              PID:3372
          • C:\Windows\SysWOW64\net.exe
            net start serviceupdater
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:3408
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 start serviceupdater
              3⤵
                PID:4720
          • 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:3360
          • C:\Windows\SysWOW64\netupdsrv.exe
            C:\Windows\SysWOW64\netupdsrv.exe
            1⤵
            • Executes dropped EXE
            PID:4692

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\nscC20E.tmp\System.dll

            Filesize

            11KB

            MD5

            c17103ae9072a06da581dec998343fc1

            SHA1

            b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

            SHA256

            dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

            SHA512

            d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

          • C:\Users\Admin\AppData\Local\Temp\nscC20E.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nscC20E.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nscC20E.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nscC20E.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nscC20E.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nscC20E.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nscC20E.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nscC20E.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            654c06a8c324f5e344c6666c7213f335

            SHA1

            ee77722e7ba680a435daa30b201714a8554d4226

            SHA256

            1408bf44528618a825a4854733a7688db866580e0a6ab53205d2c572655cfcb5

            SHA512

            aa7d7d138466660b2dd7e7e69da33b4c469e21d864b445dad41e29d775f90b4143ae2b686f9302625a306789ba766f112cb377a5a83aa995f719ebe051f1ab09

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            654c06a8c324f5e344c6666c7213f335

            SHA1

            ee77722e7ba680a435daa30b201714a8554d4226

            SHA256

            1408bf44528618a825a4854733a7688db866580e0a6ab53205d2c572655cfcb5

            SHA512

            aa7d7d138466660b2dd7e7e69da33b4c469e21d864b445dad41e29d775f90b4143ae2b686f9302625a306789ba766f112cb377a5a83aa995f719ebe051f1ab09

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            654c06a8c324f5e344c6666c7213f335

            SHA1

            ee77722e7ba680a435daa30b201714a8554d4226

            SHA256

            1408bf44528618a825a4854733a7688db866580e0a6ab53205d2c572655cfcb5

            SHA512

            aa7d7d138466660b2dd7e7e69da33b4c469e21d864b445dad41e29d775f90b4143ae2b686f9302625a306789ba766f112cb377a5a83aa995f719ebe051f1ab09

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            654c06a8c324f5e344c6666c7213f335

            SHA1

            ee77722e7ba680a435daa30b201714a8554d4226

            SHA256

            1408bf44528618a825a4854733a7688db866580e0a6ab53205d2c572655cfcb5

            SHA512

            aa7d7d138466660b2dd7e7e69da33b4c469e21d864b445dad41e29d775f90b4143ae2b686f9302625a306789ba766f112cb377a5a83aa995f719ebe051f1ab09

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            241KB

            MD5

            78129de132c9ada5bf9ddc531a6a33ae

            SHA1

            b42603c40fe12655357d2736419d0b49756273e8

            SHA256

            3b4aa822c8c5c506de560f1fa8792575c3f2697b1f0399cbe720efcc32a24fa0

            SHA512

            88139ff7b6f422912d38b4b07403f9fde2e178971391367d05b98ba1124ef2f5d95136626477ff69f613904a708910094c77fae324c8a53cbd9a31e30f1d6884

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            241KB

            MD5

            78129de132c9ada5bf9ddc531a6a33ae

            SHA1

            b42603c40fe12655357d2736419d0b49756273e8

            SHA256

            3b4aa822c8c5c506de560f1fa8792575c3f2697b1f0399cbe720efcc32a24fa0

            SHA512

            88139ff7b6f422912d38b4b07403f9fde2e178971391367d05b98ba1124ef2f5d95136626477ff69f613904a708910094c77fae324c8a53cbd9a31e30f1d6884

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            241KB

            MD5

            78129de132c9ada5bf9ddc531a6a33ae

            SHA1

            b42603c40fe12655357d2736419d0b49756273e8

            SHA256

            3b4aa822c8c5c506de560f1fa8792575c3f2697b1f0399cbe720efcc32a24fa0

            SHA512

            88139ff7b6f422912d38b4b07403f9fde2e178971391367d05b98ba1124ef2f5d95136626477ff69f613904a708910094c77fae324c8a53cbd9a31e30f1d6884

          • C:\Windows\SysWOW64\installd.exe

            Filesize

            108KB

            MD5

            7c4d527d241280aae4c008f07e7bf33d

            SHA1

            4f5bcf59d761341f44e5c1dced07ef288efb58f9

            SHA256

            a7903660cfe88c0302e1ba73cacd85ad05e96a7660e6e09b6661d6ef911e7318

            SHA512

            72d6df2795907275b8b6816dbca989924064c350c1db5368f8878e243b9b030c2b3b83b68511aaec87cbefbc3eeea238c77cbdf7d3006460d53499eb1a74947b

          • C:\Windows\SysWOW64\installd.exe

            Filesize

            108KB

            MD5

            7c4d527d241280aae4c008f07e7bf33d

            SHA1

            4f5bcf59d761341f44e5c1dced07ef288efb58f9

            SHA256

            a7903660cfe88c0302e1ba73cacd85ad05e96a7660e6e09b6661d6ef911e7318

            SHA512

            72d6df2795907275b8b6816dbca989924064c350c1db5368f8878e243b9b030c2b3b83b68511aaec87cbefbc3eeea238c77cbdf7d3006460d53499eb1a74947b

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            a1ade221d998f4531fb0c4058929a90c

            SHA1

            90b83804b4681b88e86e8e5658d33ba3dcdc4601

            SHA256

            eef95510a8b10f6f57cee86f7c6235cc036f0b2a09d615bc57e28a45728c15b0

            SHA512

            6ec95a31e89e38f5076281dca5cf5dada42d1f12a5671f079a40eeaa3a119416f99ccfd2b87d62951df965157ccf43802016c64691f2e4935fb019d01c33c614

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            a1ade221d998f4531fb0c4058929a90c

            SHA1

            90b83804b4681b88e86e8e5658d33ba3dcdc4601

            SHA256

            eef95510a8b10f6f57cee86f7c6235cc036f0b2a09d615bc57e28a45728c15b0

            SHA512

            6ec95a31e89e38f5076281dca5cf5dada42d1f12a5671f079a40eeaa3a119416f99ccfd2b87d62951df965157ccf43802016c64691f2e4935fb019d01c33c614

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            a1ade221d998f4531fb0c4058929a90c

            SHA1

            90b83804b4681b88e86e8e5658d33ba3dcdc4601

            SHA256

            eef95510a8b10f6f57cee86f7c6235cc036f0b2a09d615bc57e28a45728c15b0

            SHA512

            6ec95a31e89e38f5076281dca5cf5dada42d1f12a5671f079a40eeaa3a119416f99ccfd2b87d62951df965157ccf43802016c64691f2e4935fb019d01c33c614

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            424d8181488160ee22b6a855db863a82

            SHA1

            8ab043523b8f657b424ca96c614a17ee4f69a0d0

            SHA256

            4db9e52c010f151e39d0cc00742de7aa991586c01a53dbc51810f7b5bc7fabd5

            SHA512

            152ad51ff65fe276fd03163e1aa0077a2ed02fe236c7a2c038273f09ca51041ec2bb625bab98091bf0f04b59c92013cd15241d49e5515c0600ec08368903ceeb

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            424d8181488160ee22b6a855db863a82

            SHA1

            8ab043523b8f657b424ca96c614a17ee4f69a0d0

            SHA256

            4db9e52c010f151e39d0cc00742de7aa991586c01a53dbc51810f7b5bc7fabd5

            SHA512

            152ad51ff65fe276fd03163e1aa0077a2ed02fe236c7a2c038273f09ca51041ec2bb625bab98091bf0f04b59c92013cd15241d49e5515c0600ec08368903ceeb

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            424d8181488160ee22b6a855db863a82

            SHA1

            8ab043523b8f657b424ca96c614a17ee4f69a0d0

            SHA256

            4db9e52c010f151e39d0cc00742de7aa991586c01a53dbc51810f7b5bc7fabd5

            SHA512

            152ad51ff65fe276fd03163e1aa0077a2ed02fe236c7a2c038273f09ca51041ec2bb625bab98091bf0f04b59c92013cd15241d49e5515c0600ec08368903ceeb

          • memory/1556-169-0x0000000000360000-0x00000000007BE000-memory.dmp

            Filesize

            4.4MB

          • memory/1556-158-0x0000000000360000-0x00000000007BE000-memory.dmp

            Filesize

            4.4MB

          • memory/1556-136-0x0000000000360000-0x00000000007BE000-memory.dmp

            Filesize

            4.4MB

          • memory/1680-147-0x0000000000000000-mapping.dmp

          • memory/1812-153-0x0000000000000000-mapping.dmp

          • memory/1896-140-0x0000000000000000-mapping.dmp

          • memory/2192-135-0x0000000000000000-mapping.dmp

          • memory/2216-159-0x0000000000000000-mapping.dmp

          • memory/3372-160-0x0000000000000000-mapping.dmp

          • memory/3408-166-0x0000000000000000-mapping.dmp

          • memory/4280-141-0x0000000000000000-mapping.dmp

          • memory/4300-142-0x0000000000000000-mapping.dmp

          • memory/4396-137-0x0000000000000000-mapping.dmp

          • memory/4720-167-0x0000000000000000-mapping.dmp