Analysis

  • max time kernel
    36s
  • max time network
    42s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2022 11:00

General

  • Target

    14a72aec6d05cdf833702cf24f7f1030668776bc4fab7d90adcf72d620db06c0.exe

  • Size

    445KB

  • MD5

    93f8136287cdc75cc1970fc8f5ee9ca3

  • SHA1

    035cd3bf175bed0065061385c38ee19edeb9dfed

  • SHA256

    14a72aec6d05cdf833702cf24f7f1030668776bc4fab7d90adcf72d620db06c0

  • SHA512

    c24876afd1a3bb6dd46a1509ac6e78a14f98a3f96899a49742fd71425211d71bbfca68b67914c42981a5f3ad80f54199f06cd95ce8d63f3cfb5f1c4c6e350bb3

  • SSDEEP

    6144:Xzfp2f5VphjIu/ktvYao2+O2OaLYCeIybG1wFzicu7s7Bk0CP/WIsNm9K6XAfsiE:NbTWfOSYCeIybwc2s7BlCGVm95XAfP8

Score
8/10

Malware Config

Signatures

  • Drops file in Drivers directory 1 IoCs
  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 13 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.

  • Runs net.exe
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 50 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\14a72aec6d05cdf833702cf24f7f1030668776bc4fab7d90adcf72d620db06c0.exe
    "C:\Users\Admin\AppData\Local\Temp\14a72aec6d05cdf833702cf24f7f1030668776bc4fab7d90adcf72d620db06c0.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:900
    • C:\Windows\SysWOW64\net.exe
      net stop nethttpservice
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1988
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 stop nethttpservice
        3⤵
          PID:936
      • C:\Windows\SysWOW64\net.exe
        net stop serviceupdater
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1356
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop serviceupdater
          3⤵
            PID:832
        • C:\Windows\SysWOW64\installd.exe
          "C:\Windows\system32\installd.exe" nethfdrv
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:1324
        • C:\Windows\SysWOW64\nethtsrv.exe
          "C:\Windows\system32\nethtsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:764
        • C:\Windows\SysWOW64\netupdsrv.exe
          "C:\Windows\system32\netupdsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          PID:1660
        • C:\Windows\SysWOW64\net.exe
          net start nethttpservice
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:1548
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 start nethttpservice
            3⤵
              PID:1916
          • C:\Windows\SysWOW64\net.exe
            net start serviceupdater
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2000
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 start serviceupdater
              3⤵
                PID:792
          • C:\Windows\SysWOW64\nethtsrv.exe
            C:\Windows\SysWOW64\nethtsrv.exe
            1⤵
            • Executes dropped EXE
            • Loads dropped DLL
            • Suspicious use of AdjustPrivilegeToken
            PID:1832
          • C:\Windows\SysWOW64\netupdsrv.exe
            C:\Windows\SysWOW64\netupdsrv.exe
            1⤵
            • Executes dropped EXE
            PID:1020

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            02cb40e75a42ae3e160f0f4c7737b353

            SHA1

            a4d063b480ff8dc4aac6443653d66829ffc6c520

            SHA256

            318b88cd2dd39f1fa29489d5a434dfce34382dd196a7f14355d002c3ce87ca41

            SHA512

            bb6e39b1947c78658ac188a8f61a2324fb6a276634cf2aa30e23adfc88f311bbb270eeee6a6a4dfff91dcd1dc1b91b769541a7ec99fc6c332e09706014bbe660

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            241KB

            MD5

            61315d2fd5c86ac7081eb8c62dcb033b

            SHA1

            da0367f7f80dca7268e28df09f6ecce1affe9cb1

            SHA256

            3e1254f2a2db60b0877f29bcadfb4bd302cfec8bb37dfc283ce21a318e1afdc0

            SHA512

            38e30df577ba7da3193b22661fcb79b3765619f1d49fb0a383995f0cec8ec4258cc37260a72f847ada631f996f56c711d2d9f45cff52889b6c3e6279fb33972c

          • C:\Windows\SysWOW64\installd.exe

            Filesize

            108KB

            MD5

            c0442603a2e1123dbd0ac91fcfe55d69

            SHA1

            c4567906a20d52d60b7d38e5802d245937b9fd3b

            SHA256

            5a0b4d2ce12fbacf5a9fe76322a099b9ca42f4fea789fa07548316e88d8bca6b

            SHA512

            8dc01f9387e94d3cc6f9ec20f43798d0a47a4875caef9ef78c9a42f48403e9c7ff12a2fb5b04cd3c6ab6a9823bf4f8e4dcdf80e508083b5ac254fee94f8ed48e

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            672c6c47836bb61eeac1a8f97c3c5c76

            SHA1

            f14ffedea80f3ea3a7745f80e31e35cf78e8b241

            SHA256

            c8ebc59e7f355b3c6cf7033406562382b0b2f3fd146c9cbded85bd87a7a160f9

            SHA512

            157ac51ee6959a8583906060fda0f8ea131e64e042e27dee8df6ae00d6683a415dd67fd6cc4495280c2dca2b53004b5e0809f52dad819c84e26193899dcd9288

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            672c6c47836bb61eeac1a8f97c3c5c76

            SHA1

            f14ffedea80f3ea3a7745f80e31e35cf78e8b241

            SHA256

            c8ebc59e7f355b3c6cf7033406562382b0b2f3fd146c9cbded85bd87a7a160f9

            SHA512

            157ac51ee6959a8583906060fda0f8ea131e64e042e27dee8df6ae00d6683a415dd67fd6cc4495280c2dca2b53004b5e0809f52dad819c84e26193899dcd9288

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            e8af935a8a343ff4386d1372ef32cf10

            SHA1

            36858622063c1aa858157fa8fc70a2e841ef315e

            SHA256

            3e9c99cc0f7e1b48197dae3cb59926dc29a8f9930f6b7e67be5ac34433936a84

            SHA512

            e46eeeb9e7852b98cbbe12390ab1411d62d42d7c3cee646c96850a4db5fe88a1952460e0f4a6671de0ee0a003ed1895988609ef09ef1eb60e7757a120580e9c8

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            e8af935a8a343ff4386d1372ef32cf10

            SHA1

            36858622063c1aa858157fa8fc70a2e841ef315e

            SHA256

            3e9c99cc0f7e1b48197dae3cb59926dc29a8f9930f6b7e67be5ac34433936a84

            SHA512

            e46eeeb9e7852b98cbbe12390ab1411d62d42d7c3cee646c96850a4db5fe88a1952460e0f4a6671de0ee0a003ed1895988609ef09ef1eb60e7757a120580e9c8

          • \Users\Admin\AppData\Local\Temp\nst3AF1.tmp\System.dll

            Filesize

            11KB

            MD5

            c17103ae9072a06da581dec998343fc1

            SHA1

            b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

            SHA256

            dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

            SHA512

            d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

          • \Users\Admin\AppData\Local\Temp\nst3AF1.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • \Users\Admin\AppData\Local\Temp\nst3AF1.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • \Users\Admin\AppData\Local\Temp\nst3AF1.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • \Users\Admin\AppData\Local\Temp\nst3AF1.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • \Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            02cb40e75a42ae3e160f0f4c7737b353

            SHA1

            a4d063b480ff8dc4aac6443653d66829ffc6c520

            SHA256

            318b88cd2dd39f1fa29489d5a434dfce34382dd196a7f14355d002c3ce87ca41

            SHA512

            bb6e39b1947c78658ac188a8f61a2324fb6a276634cf2aa30e23adfc88f311bbb270eeee6a6a4dfff91dcd1dc1b91b769541a7ec99fc6c332e09706014bbe660

          • \Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            02cb40e75a42ae3e160f0f4c7737b353

            SHA1

            a4d063b480ff8dc4aac6443653d66829ffc6c520

            SHA256

            318b88cd2dd39f1fa29489d5a434dfce34382dd196a7f14355d002c3ce87ca41

            SHA512

            bb6e39b1947c78658ac188a8f61a2324fb6a276634cf2aa30e23adfc88f311bbb270eeee6a6a4dfff91dcd1dc1b91b769541a7ec99fc6c332e09706014bbe660

          • \Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            02cb40e75a42ae3e160f0f4c7737b353

            SHA1

            a4d063b480ff8dc4aac6443653d66829ffc6c520

            SHA256

            318b88cd2dd39f1fa29489d5a434dfce34382dd196a7f14355d002c3ce87ca41

            SHA512

            bb6e39b1947c78658ac188a8f61a2324fb6a276634cf2aa30e23adfc88f311bbb270eeee6a6a4dfff91dcd1dc1b91b769541a7ec99fc6c332e09706014bbe660

          • \Windows\SysWOW64\hfpapi.dll

            Filesize

            241KB

            MD5

            61315d2fd5c86ac7081eb8c62dcb033b

            SHA1

            da0367f7f80dca7268e28df09f6ecce1affe9cb1

            SHA256

            3e1254f2a2db60b0877f29bcadfb4bd302cfec8bb37dfc283ce21a318e1afdc0

            SHA512

            38e30df577ba7da3193b22661fcb79b3765619f1d49fb0a383995f0cec8ec4258cc37260a72f847ada631f996f56c711d2d9f45cff52889b6c3e6279fb33972c

          • \Windows\SysWOW64\hfpapi.dll

            Filesize

            241KB

            MD5

            61315d2fd5c86ac7081eb8c62dcb033b

            SHA1

            da0367f7f80dca7268e28df09f6ecce1affe9cb1

            SHA256

            3e1254f2a2db60b0877f29bcadfb4bd302cfec8bb37dfc283ce21a318e1afdc0

            SHA512

            38e30df577ba7da3193b22661fcb79b3765619f1d49fb0a383995f0cec8ec4258cc37260a72f847ada631f996f56c711d2d9f45cff52889b6c3e6279fb33972c

          • \Windows\SysWOW64\installd.exe

            Filesize

            108KB

            MD5

            c0442603a2e1123dbd0ac91fcfe55d69

            SHA1

            c4567906a20d52d60b7d38e5802d245937b9fd3b

            SHA256

            5a0b4d2ce12fbacf5a9fe76322a099b9ca42f4fea789fa07548316e88d8bca6b

            SHA512

            8dc01f9387e94d3cc6f9ec20f43798d0a47a4875caef9ef78c9a42f48403e9c7ff12a2fb5b04cd3c6ab6a9823bf4f8e4dcdf80e508083b5ac254fee94f8ed48e

          • \Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            672c6c47836bb61eeac1a8f97c3c5c76

            SHA1

            f14ffedea80f3ea3a7745f80e31e35cf78e8b241

            SHA256

            c8ebc59e7f355b3c6cf7033406562382b0b2f3fd146c9cbded85bd87a7a160f9

            SHA512

            157ac51ee6959a8583906060fda0f8ea131e64e042e27dee8df6ae00d6683a415dd67fd6cc4495280c2dca2b53004b5e0809f52dad819c84e26193899dcd9288

          • \Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            e8af935a8a343ff4386d1372ef32cf10

            SHA1

            36858622063c1aa858157fa8fc70a2e841ef315e

            SHA256

            3e9c99cc0f7e1b48197dae3cb59926dc29a8f9930f6b7e67be5ac34433936a84

            SHA512

            e46eeeb9e7852b98cbbe12390ab1411d62d42d7c3cee646c96850a4db5fe88a1952460e0f4a6671de0ee0a003ed1895988609ef09ef1eb60e7757a120580e9c8

          • memory/764-69-0x0000000000000000-mapping.dmp

          • memory/792-86-0x0000000000000000-mapping.dmp

          • memory/832-61-0x0000000000000000-mapping.dmp

          • memory/900-54-0x0000000075C61000-0x0000000075C63000-memory.dmp

            Filesize

            8KB

          • memory/936-58-0x0000000000000000-mapping.dmp

          • memory/1324-63-0x0000000000000000-mapping.dmp

          • memory/1356-60-0x0000000000000000-mapping.dmp

          • memory/1548-79-0x0000000000000000-mapping.dmp

          • memory/1660-75-0x0000000000000000-mapping.dmp

          • memory/1916-80-0x0000000000000000-mapping.dmp

          • memory/1988-57-0x0000000000000000-mapping.dmp

          • memory/2000-85-0x0000000000000000-mapping.dmp