Analysis

  • max time kernel
    202s
  • max time network
    201s
  • 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 10:50

General

  • Target

    eabf3c2047d01dcc2dbd6bb2384569cb3651b2b90647fb4ac9066b3d16664d1b.exe

  • Size

    445KB

  • MD5

    57885645165ffa5fe1bfa7c0be8d92f5

  • SHA1

    9b1c639013d52729739eb97dacac140b8e57f72a

  • SHA256

    eabf3c2047d01dcc2dbd6bb2384569cb3651b2b90647fb4ac9066b3d16664d1b

  • SHA512

    c89b43093e8a9945dcb67b0506eaa484d8ea1c307b6fce1c213664a8ca73dec59fd0bb2cb2cf7eee10e19eb8f828ceec545d59b5c593e2f0f92886c16dd1d6e1

  • SSDEEP

    12288:Zt2x0a1rUZV+WlxfQfFwx5Vqy3HBzk4sUyUTHcNfBa:Z0x0QrUZVTlSF8hA1UnQfc

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\eabf3c2047d01dcc2dbd6bb2384569cb3651b2b90647fb4ac9066b3d16664d1b.exe
    "C:\Users\Admin\AppData\Local\Temp\eabf3c2047d01dcc2dbd6bb2384569cb3651b2b90647fb4ac9066b3d16664d1b.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:3688
    • C:\Windows\SysWOW64\net.exe
      net stop nethttpservice
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3808
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 stop nethttpservice
        3⤵
          PID:4324
      • C:\Windows\SysWOW64\net.exe
        net stop serviceupdater
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:2680
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop serviceupdater
          3⤵
            PID:3184
        • C:\Windows\SysWOW64\installd.exe
          "C:\Windows\system32\installd.exe" nethfdrv
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:928
        • C:\Windows\SysWOW64\nethtsrv.exe
          "C:\Windows\system32\nethtsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:2760
        • C:\Windows\SysWOW64\netupdsrv.exe
          "C:\Windows\system32\netupdsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          PID:4204
        • C:\Windows\SysWOW64\net.exe
          net start nethttpservice
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:2656
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 start nethttpservice
            3⤵
              PID:5084
          • C:\Windows\SysWOW64\net.exe
            net start serviceupdater
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:3796
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 start serviceupdater
              3⤵
                PID:2468
          • 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:1300
          • C:\Windows\SysWOW64\netupdsrv.exe
            C:\Windows\SysWOW64\netupdsrv.exe
            1⤵
            • Executes dropped EXE
            PID:3832

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\nsm58E0.tmp\System.dll
            Filesize

            11KB

            MD5

            c17103ae9072a06da581dec998343fc1

            SHA1

            b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

            SHA256

            dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

            SHA512

            d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

          • C:\Users\Admin\AppData\Local\Temp\nsm58E0.tmp\nsExec.dll
            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsm58E0.tmp\nsExec.dll
            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsm58E0.tmp\nsExec.dll
            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsm58E0.tmp\nsExec.dll
            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsm58E0.tmp\nsExec.dll
            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsm58E0.tmp\nsExec.dll
            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsm58E0.tmp\nsExec.dll
            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsm58E0.tmp\nsExec.dll
            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Windows\SysWOW64\hfnapi.dll
            Filesize

            106KB

            MD5

            9be11e6c64de35a52f5b381861e97e72

            SHA1

            55cddd53e51c72dfbf2055c24c735b5c5225aed3

            SHA256

            ff419344b4b527261ef3fe2a34226f3da8dda9c374cf7bbdbf8a6c810d550fea

            SHA512

            b1dfe92ca0830089d2e882a4963ecec2370535995f17360733b54ae985a9321b13730ed96924e93ec53c9088d1169f100725b429d456e72028de91de081b6674

          • C:\Windows\SysWOW64\hfnapi.dll
            Filesize

            106KB

            MD5

            9be11e6c64de35a52f5b381861e97e72

            SHA1

            55cddd53e51c72dfbf2055c24c735b5c5225aed3

            SHA256

            ff419344b4b527261ef3fe2a34226f3da8dda9c374cf7bbdbf8a6c810d550fea

            SHA512

            b1dfe92ca0830089d2e882a4963ecec2370535995f17360733b54ae985a9321b13730ed96924e93ec53c9088d1169f100725b429d456e72028de91de081b6674

          • C:\Windows\SysWOW64\hfnapi.dll
            Filesize

            106KB

            MD5

            9be11e6c64de35a52f5b381861e97e72

            SHA1

            55cddd53e51c72dfbf2055c24c735b5c5225aed3

            SHA256

            ff419344b4b527261ef3fe2a34226f3da8dda9c374cf7bbdbf8a6c810d550fea

            SHA512

            b1dfe92ca0830089d2e882a4963ecec2370535995f17360733b54ae985a9321b13730ed96924e93ec53c9088d1169f100725b429d456e72028de91de081b6674

          • C:\Windows\SysWOW64\hfnapi.dll
            Filesize

            106KB

            MD5

            9be11e6c64de35a52f5b381861e97e72

            SHA1

            55cddd53e51c72dfbf2055c24c735b5c5225aed3

            SHA256

            ff419344b4b527261ef3fe2a34226f3da8dda9c374cf7bbdbf8a6c810d550fea

            SHA512

            b1dfe92ca0830089d2e882a4963ecec2370535995f17360733b54ae985a9321b13730ed96924e93ec53c9088d1169f100725b429d456e72028de91de081b6674

          • C:\Windows\SysWOW64\hfpapi.dll
            Filesize

            241KB

            MD5

            95e4c84277635037e1c7f7e4c8d1e17e

            SHA1

            142c8956f8ac8671a828b04ba0386c92343c0bd2

            SHA256

            c8acf2f1667a3893ac41d78ab5f19d8a9727f71943be2d37a7c60bb54c1cdfe0

            SHA512

            678cbe99bad0b941142f52ed8d21e8be50d1315a1af1f10c26193846acb07a6ecf3efb35774ea04853f742e3cf68378732f8509fbb5de101f089bf1d282e66a2

          • C:\Windows\SysWOW64\hfpapi.dll
            Filesize

            241KB

            MD5

            95e4c84277635037e1c7f7e4c8d1e17e

            SHA1

            142c8956f8ac8671a828b04ba0386c92343c0bd2

            SHA256

            c8acf2f1667a3893ac41d78ab5f19d8a9727f71943be2d37a7c60bb54c1cdfe0

            SHA512

            678cbe99bad0b941142f52ed8d21e8be50d1315a1af1f10c26193846acb07a6ecf3efb35774ea04853f742e3cf68378732f8509fbb5de101f089bf1d282e66a2

          • C:\Windows\SysWOW64\hfpapi.dll
            Filesize

            241KB

            MD5

            95e4c84277635037e1c7f7e4c8d1e17e

            SHA1

            142c8956f8ac8671a828b04ba0386c92343c0bd2

            SHA256

            c8acf2f1667a3893ac41d78ab5f19d8a9727f71943be2d37a7c60bb54c1cdfe0

            SHA512

            678cbe99bad0b941142f52ed8d21e8be50d1315a1af1f10c26193846acb07a6ecf3efb35774ea04853f742e3cf68378732f8509fbb5de101f089bf1d282e66a2

          • C:\Windows\SysWOW64\installd.exe
            Filesize

            108KB

            MD5

            5dbf1d0156255993e05637519a3b0332

            SHA1

            6e9038c8b6154f7876fe8ec83982fc138a7811b2

            SHA256

            ba5574b58cb1f121a544d26ddb0e864f4d743b512436fb588b1fca5852f87b22

            SHA512

            f71484a9b96dc76ce06ff592f2ff6440fee827c0bc29b1b052bdcbba110a8bc3701f6f4945f2316dcbff1d61475257f7027f375f5f835490457136f7f28b670c

          • C:\Windows\SysWOW64\installd.exe
            Filesize

            108KB

            MD5

            5dbf1d0156255993e05637519a3b0332

            SHA1

            6e9038c8b6154f7876fe8ec83982fc138a7811b2

            SHA256

            ba5574b58cb1f121a544d26ddb0e864f4d743b512436fb588b1fca5852f87b22

            SHA512

            f71484a9b96dc76ce06ff592f2ff6440fee827c0bc29b1b052bdcbba110a8bc3701f6f4945f2316dcbff1d61475257f7027f375f5f835490457136f7f28b670c

          • C:\Windows\SysWOW64\nethtsrv.exe
            Filesize

            176KB

            MD5

            ed65591b81d5d8f38b1b2e3e7a4d6b7a

            SHA1

            76a9dda8fa1b3a3f6cde3b078d3d3d3e779a4cd8

            SHA256

            6c90d8c7b7e63024d532069fa812d8cf9017e21b947da5a35bd049335401b56a

            SHA512

            6e76d5ca5fcbc3779ec9f3bdc192040043bcda04ce1e5f598a16569d20da167c4fe26436077e853b74612fbec8f3fe910f4b8c724fe34399e26c9c017bd919df

          • C:\Windows\SysWOW64\nethtsrv.exe
            Filesize

            176KB

            MD5

            ed65591b81d5d8f38b1b2e3e7a4d6b7a

            SHA1

            76a9dda8fa1b3a3f6cde3b078d3d3d3e779a4cd8

            SHA256

            6c90d8c7b7e63024d532069fa812d8cf9017e21b947da5a35bd049335401b56a

            SHA512

            6e76d5ca5fcbc3779ec9f3bdc192040043bcda04ce1e5f598a16569d20da167c4fe26436077e853b74612fbec8f3fe910f4b8c724fe34399e26c9c017bd919df

          • C:\Windows\SysWOW64\nethtsrv.exe
            Filesize

            176KB

            MD5

            ed65591b81d5d8f38b1b2e3e7a4d6b7a

            SHA1

            76a9dda8fa1b3a3f6cde3b078d3d3d3e779a4cd8

            SHA256

            6c90d8c7b7e63024d532069fa812d8cf9017e21b947da5a35bd049335401b56a

            SHA512

            6e76d5ca5fcbc3779ec9f3bdc192040043bcda04ce1e5f598a16569d20da167c4fe26436077e853b74612fbec8f3fe910f4b8c724fe34399e26c9c017bd919df

          • C:\Windows\SysWOW64\netupdsrv.exe
            Filesize

            158KB

            MD5

            b813446f257796b378ab80e0b2da2c7e

            SHA1

            61467eda1af60c28a18025ab309838083b9b1822

            SHA256

            33b83bd4018357561b1ffed62c4ab773984835cfeb0d545aadaa99f71d5c0aff

            SHA512

            6d6033c6b9b9dc93ab4d21cc97ebda9a8545f41b2022d41c99dc7a0da6593aeda278c6d66ec550e62a6f135ef8960d1d3ed8e98719696487b68592992481c716

          • C:\Windows\SysWOW64\netupdsrv.exe
            Filesize

            158KB

            MD5

            b813446f257796b378ab80e0b2da2c7e

            SHA1

            61467eda1af60c28a18025ab309838083b9b1822

            SHA256

            33b83bd4018357561b1ffed62c4ab773984835cfeb0d545aadaa99f71d5c0aff

            SHA512

            6d6033c6b9b9dc93ab4d21cc97ebda9a8545f41b2022d41c99dc7a0da6593aeda278c6d66ec550e62a6f135ef8960d1d3ed8e98719696487b68592992481c716

          • C:\Windows\SysWOW64\netupdsrv.exe
            Filesize

            158KB

            MD5

            b813446f257796b378ab80e0b2da2c7e

            SHA1

            61467eda1af60c28a18025ab309838083b9b1822

            SHA256

            33b83bd4018357561b1ffed62c4ab773984835cfeb0d545aadaa99f71d5c0aff

            SHA512

            6d6033c6b9b9dc93ab4d21cc97ebda9a8545f41b2022d41c99dc7a0da6593aeda278c6d66ec550e62a6f135ef8960d1d3ed8e98719696487b68592992481c716

          • memory/928-141-0x0000000000000000-mapping.dmp
          • memory/2468-165-0x0000000000000000-mapping.dmp
          • memory/2656-157-0x0000000000000000-mapping.dmp
          • memory/2680-139-0x0000000000000000-mapping.dmp
          • memory/2760-146-0x0000000000000000-mapping.dmp
          • memory/3184-140-0x0000000000000000-mapping.dmp
          • memory/3796-164-0x0000000000000000-mapping.dmp
          • memory/3808-135-0x0000000000000000-mapping.dmp
          • memory/4204-152-0x0000000000000000-mapping.dmp
          • memory/4324-136-0x0000000000000000-mapping.dmp
          • memory/5084-158-0x0000000000000000-mapping.dmp