Analysis

  • max time kernel
    148s
  • max time network
    176s
  • 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 10:11

General

  • Target

    d0d2efbe50d6c8145f63184e5760d681905c7805ff05fe3cae0827cbc4f73eaf.exe

  • Size

    602KB

  • MD5

    3d02fe48277719e1927b69156d524b04

  • SHA1

    434940f87ebdea94348d2e7070d44c881346febe

  • SHA256

    d0d2efbe50d6c8145f63184e5760d681905c7805ff05fe3cae0827cbc4f73eaf

  • SHA512

    389a83302f24051478965ef5d195808ae97fbd1d3c8b7d45d24b95b2ff7be92b3a9996a2c9ebaee866a8403ed52aae5e47f3cae63bf89a304a5118a9c2935c2a

  • SSDEEP

    12288:cIny5DYTWq5FWFTlZdEglaN1VDiW/FgUiLnqjfyRdP+BZuUyIGl:6UTWU+ZHjlaN1VDF/WnLqjfyL29V

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\d0d2efbe50d6c8145f63184e5760d681905c7805ff05fe3cae0827cbc4f73eaf.exe
    "C:\Users\Admin\AppData\Local\Temp\d0d2efbe50d6c8145f63184e5760d681905c7805ff05fe3cae0827cbc4f73eaf.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:1184
    • C:\Windows\SysWOW64\net.exe
      net stop nethttpservice
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2024
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 stop nethttpservice
        3⤵
          PID:4288
      • C:\Windows\SysWOW64\net.exe
        net stop serviceupdater
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:4320
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop serviceupdater
          3⤵
            PID:2792
        • C:\Windows\SysWOW64\installd.exe
          "C:\Windows\system32\installd.exe" nethfdrv
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:1532
        • C:\Windows\SysWOW64\nethtsrv.exe
          "C:\Windows\system32\nethtsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:3916
        • C:\Windows\SysWOW64\netupdsrv.exe
          "C:\Windows\system32\netupdsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          PID:1696
        • C:\Windows\SysWOW64\net.exe
          net start nethttpservice
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:3868
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 start nethttpservice
            3⤵
              PID:4032
          • C:\Windows\SysWOW64\net.exe
            net start serviceupdater
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:4108
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 start serviceupdater
              3⤵
                PID:424
          • 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:5032
          • C:\Windows\SysWOW64\netupdsrv.exe
            C:\Windows\SysWOW64\netupdsrv.exe
            1⤵
            • Executes dropped EXE
            PID:4764

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\nsjC49F.tmp\System.dll

            Filesize

            11KB

            MD5

            c17103ae9072a06da581dec998343fc1

            SHA1

            b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

            SHA256

            dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

            SHA512

            d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

          • C:\Users\Admin\AppData\Local\Temp\nsjC49F.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsjC49F.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsjC49F.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsjC49F.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsjC49F.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsjC49F.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsjC49F.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsjC49F.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            8291bc07596b929eb682ed2793d49652

            SHA1

            827b35fb8c4524a234aa6c2d3da6e7e1e338ce5e

            SHA256

            b8c1bbbeaccc9d5055dcb52934a7d46207642cac69c1a36e6effc95db4e7aca3

            SHA512

            4cfea5afa5f5285224ca617cd0a74fef96411e5232ca87d2181d2f67e4350bbd71655f70eea8d532c18de32530bc16a69f0f35df116e21ffda898ae190ab19b4

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            8291bc07596b929eb682ed2793d49652

            SHA1

            827b35fb8c4524a234aa6c2d3da6e7e1e338ce5e

            SHA256

            b8c1bbbeaccc9d5055dcb52934a7d46207642cac69c1a36e6effc95db4e7aca3

            SHA512

            4cfea5afa5f5285224ca617cd0a74fef96411e5232ca87d2181d2f67e4350bbd71655f70eea8d532c18de32530bc16a69f0f35df116e21ffda898ae190ab19b4

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            8291bc07596b929eb682ed2793d49652

            SHA1

            827b35fb8c4524a234aa6c2d3da6e7e1e338ce5e

            SHA256

            b8c1bbbeaccc9d5055dcb52934a7d46207642cac69c1a36e6effc95db4e7aca3

            SHA512

            4cfea5afa5f5285224ca617cd0a74fef96411e5232ca87d2181d2f67e4350bbd71655f70eea8d532c18de32530bc16a69f0f35df116e21ffda898ae190ab19b4

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            8291bc07596b929eb682ed2793d49652

            SHA1

            827b35fb8c4524a234aa6c2d3da6e7e1e338ce5e

            SHA256

            b8c1bbbeaccc9d5055dcb52934a7d46207642cac69c1a36e6effc95db4e7aca3

            SHA512

            4cfea5afa5f5285224ca617cd0a74fef96411e5232ca87d2181d2f67e4350bbd71655f70eea8d532c18de32530bc16a69f0f35df116e21ffda898ae190ab19b4

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            241KB

            MD5

            6a12c37a39f1444e97b43f9abb82d53d

            SHA1

            ebc2eb2d843d963a2327112f19d4c774d13349b8

            SHA256

            352abf0fe76e4f4912418e298dfe3eaf734a68603a021818bed4076a6907615d

            SHA512

            a80e692c376243840578186254de2cc2013ea53be4196cb494771f9528b4fbb566a8c5539a2fe5831add0ff566d8e9dc2e11c358318e233149518f6d1a113ce9

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            241KB

            MD5

            6a12c37a39f1444e97b43f9abb82d53d

            SHA1

            ebc2eb2d843d963a2327112f19d4c774d13349b8

            SHA256

            352abf0fe76e4f4912418e298dfe3eaf734a68603a021818bed4076a6907615d

            SHA512

            a80e692c376243840578186254de2cc2013ea53be4196cb494771f9528b4fbb566a8c5539a2fe5831add0ff566d8e9dc2e11c358318e233149518f6d1a113ce9

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            241KB

            MD5

            6a12c37a39f1444e97b43f9abb82d53d

            SHA1

            ebc2eb2d843d963a2327112f19d4c774d13349b8

            SHA256

            352abf0fe76e4f4912418e298dfe3eaf734a68603a021818bed4076a6907615d

            SHA512

            a80e692c376243840578186254de2cc2013ea53be4196cb494771f9528b4fbb566a8c5539a2fe5831add0ff566d8e9dc2e11c358318e233149518f6d1a113ce9

          • C:\Windows\SysWOW64\installd.exe

            Filesize

            108KB

            MD5

            ae68ab1ed8b55e73f406579d49a688ba

            SHA1

            e60e826284eccf5ab7189613000a6a3c125cfbbe

            SHA256

            2f2d5223eae7282a333d506abb65d704358400cfe77d5399804581322e6ffb73

            SHA512

            4fd78a20cd3617169ff9ae3f6186fca8a65488a2daa59d7dc5a4d4e28d7fd21ce22423ba162beac9d8fe6a4c9352864bc3557532a630992d09287589ccbad666

          • C:\Windows\SysWOW64\installd.exe

            Filesize

            108KB

            MD5

            ae68ab1ed8b55e73f406579d49a688ba

            SHA1

            e60e826284eccf5ab7189613000a6a3c125cfbbe

            SHA256

            2f2d5223eae7282a333d506abb65d704358400cfe77d5399804581322e6ffb73

            SHA512

            4fd78a20cd3617169ff9ae3f6186fca8a65488a2daa59d7dc5a4d4e28d7fd21ce22423ba162beac9d8fe6a4c9352864bc3557532a630992d09287589ccbad666

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            314abf213006d4ba96ec50973bedd582

            SHA1

            b6ff400e1ff5f2de515ce631ab7b3be4094a9a1f

            SHA256

            f7fd327533f3ad4431e47d89825c590fbc28c485abdd19e0e68a3b251b0e2278

            SHA512

            5968ba787a19d446b71779f1551d9d1d016ab00872c4151868a87096d8816e7e403f0fc02ba886170f928cff3efdf72699fc61ed1fef32d8d4f94802ae6225c5

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            314abf213006d4ba96ec50973bedd582

            SHA1

            b6ff400e1ff5f2de515ce631ab7b3be4094a9a1f

            SHA256

            f7fd327533f3ad4431e47d89825c590fbc28c485abdd19e0e68a3b251b0e2278

            SHA512

            5968ba787a19d446b71779f1551d9d1d016ab00872c4151868a87096d8816e7e403f0fc02ba886170f928cff3efdf72699fc61ed1fef32d8d4f94802ae6225c5

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            314abf213006d4ba96ec50973bedd582

            SHA1

            b6ff400e1ff5f2de515ce631ab7b3be4094a9a1f

            SHA256

            f7fd327533f3ad4431e47d89825c590fbc28c485abdd19e0e68a3b251b0e2278

            SHA512

            5968ba787a19d446b71779f1551d9d1d016ab00872c4151868a87096d8816e7e403f0fc02ba886170f928cff3efdf72699fc61ed1fef32d8d4f94802ae6225c5

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            159KB

            MD5

            01a8053aa4c27a9247a5f3a25ec642ed

            SHA1

            75a5eee685dd564c2bf6b7fc451e5d3ac3398d30

            SHA256

            54fe82bed12853a922e1d7aa8192b313bc35ebd341da84b1b5e5e01593872d07

            SHA512

            7435a5be2dce62bff3f79dc70a5cd470f6ae5174a32ca0f088724ea9493a2398622cd47e112b8207fcf4616f28126770901e6ce3fd3766945169eada2771bcd6

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            159KB

            MD5

            01a8053aa4c27a9247a5f3a25ec642ed

            SHA1

            75a5eee685dd564c2bf6b7fc451e5d3ac3398d30

            SHA256

            54fe82bed12853a922e1d7aa8192b313bc35ebd341da84b1b5e5e01593872d07

            SHA512

            7435a5be2dce62bff3f79dc70a5cd470f6ae5174a32ca0f088724ea9493a2398622cd47e112b8207fcf4616f28126770901e6ce3fd3766945169eada2771bcd6

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            159KB

            MD5

            01a8053aa4c27a9247a5f3a25ec642ed

            SHA1

            75a5eee685dd564c2bf6b7fc451e5d3ac3398d30

            SHA256

            54fe82bed12853a922e1d7aa8192b313bc35ebd341da84b1b5e5e01593872d07

            SHA512

            7435a5be2dce62bff3f79dc70a5cd470f6ae5174a32ca0f088724ea9493a2398622cd47e112b8207fcf4616f28126770901e6ce3fd3766945169eada2771bcd6

          • memory/424-166-0x0000000000000000-mapping.dmp

          • memory/1184-168-0x0000000000360000-0x00000000007BE000-memory.dmp

            Filesize

            4.4MB

          • memory/1184-137-0x0000000000360000-0x00000000007BE000-memory.dmp

            Filesize

            4.4MB

          • memory/1532-142-0x0000000000000000-mapping.dmp

          • memory/1696-153-0x0000000000000000-mapping.dmp

          • memory/2024-135-0x0000000000000000-mapping.dmp

          • memory/2792-141-0x0000000000000000-mapping.dmp

          • memory/3868-158-0x0000000000000000-mapping.dmp

          • memory/3916-147-0x0000000000000000-mapping.dmp

          • memory/4032-159-0x0000000000000000-mapping.dmp

          • memory/4108-165-0x0000000000000000-mapping.dmp

          • memory/4288-136-0x0000000000000000-mapping.dmp

          • memory/4320-140-0x0000000000000000-mapping.dmp