Analysis

  • max time kernel
    45s
  • max time network
    35s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2022 10:06

General

  • Target

    fdae455e14eded659a434ab5b4763156e410d469078bbb130b17df7a186d4d79.exe

  • Size

    602KB

  • MD5

    f73dc7d9b31860ba266953bf52f29f43

  • SHA1

    d41314cfb495b00b8819491e9bcd2a96f985211c

  • SHA256

    fdae455e14eded659a434ab5b4763156e410d469078bbb130b17df7a186d4d79

  • SHA512

    c50ceebec706162d13327061e889bf4f9a14998c6d03a7a752e80232b20a1f3b184b2b925175d49a01b19b633ccac1a8bb7aa238567b1fcd0991098cb42efe71

  • SSDEEP

    12288:iIny5DYTkI0fdVyb3YYux1aj8QQoQ9Z1mBd2y:EUTkvdVy2ujIoQ1m

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\fdae455e14eded659a434ab5b4763156e410d469078bbb130b17df7a186d4d79.exe
    "C:\Users\Admin\AppData\Local\Temp\fdae455e14eded659a434ab5b4763156e410d469078bbb130b17df7a186d4d79.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:1324
    • C:\Windows\SysWOW64\net.exe
      net stop nethttpservice
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:572
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 stop nethttpservice
        3⤵
          PID:816
      • C:\Windows\SysWOW64\net.exe
        net stop serviceupdater
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:868
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop serviceupdater
          3⤵
            PID:1820
        • C:\Windows\SysWOW64\installd.exe
          "C:\Windows\system32\installd.exe" nethfdrv
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:1616
        • C:\Windows\SysWOW64\nethtsrv.exe
          "C:\Windows\system32\nethtsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:1652
        • C:\Windows\SysWOW64\netupdsrv.exe
          "C:\Windows\system32\netupdsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          PID:1200
        • C:\Windows\SysWOW64\net.exe
          net start nethttpservice
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:948
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 start nethttpservice
            3⤵
              PID:1072
          • C:\Windows\SysWOW64\net.exe
            net start serviceupdater
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:1380
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 start serviceupdater
              3⤵
                PID:1464
          • C:\Windows\SysWOW64\nethtsrv.exe
            C:\Windows\SysWOW64\nethtsrv.exe
            1⤵
            • Executes dropped EXE
            • Loads dropped DLL
            • Suspicious use of AdjustPrivilegeToken
            PID:396
          • C:\Windows\SysWOW64\netupdsrv.exe
            C:\Windows\SysWOW64\netupdsrv.exe
            1⤵
            • Executes dropped EXE
            PID:1620

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            a4daeee8a4ef5750ebac2a374407b5b5

            SHA1

            93951387371b9acfc53765b6194f7bd475654642

            SHA256

            e3d07a82b6da881ea2b0a1e9eab46597cc214debd1526ec6c45f8925e03a728a

            SHA512

            2b40e43088981ffef5470296d9f854e098cda489366b29c079df53af50a914ce9c85b34689c72850a6e1f385fabe7879b519531541b3335d4f75c7e16e171618

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            241KB

            MD5

            d998227d1fc2367e4f7cb66372541fd6

            SHA1

            ba05e3147e2f4082c940dc673abb6413fc6214c2

            SHA256

            f31820f949b76cd4e6bfa82c50f07a99491d8627983f9318824c2e3fc4d1862f

            SHA512

            52f218be0cd4620354dcf7039cb385eab3d38f8f179403a9e5729cd1f5006b6ba9e86e5c61e5652ce03a1a54607dffb9acc6d40d1c0f12eb5ed1b01d70117e21

          • C:\Windows\SysWOW64\installd.exe

            Filesize

            108KB

            MD5

            d5477885b3edecac0ae9e99ec9053db2

            SHA1

            d2146a7411b5d07cb23d13e00c5292c9e1647460

            SHA256

            10ec0a71ae47785bff1250ef2ee65a5cf48123e4323a45bd8342bd6e72ea4fcb

            SHA512

            c896aa991ce40178c3eac444b32dbe01ed6f705ec3a6a567f1b1ec1d8bc45eaaca79dc17943b432b159fae8ae5aa0bb5d334c4e0ef8e3986a30f84588c14153d

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            60bd65de2691374088972e4f8ad929fc

            SHA1

            e007657fe4aa1648907410d6ecc9b4f9716460c8

            SHA256

            87fbc1ed56f9e19acf2ac8294f937a4bcb302cda820606b8437000730e06927b

            SHA512

            a52fd618231f326552308ec2e2fe4762cd0fe25c2b84d4dfa3afb8935d1d21e8b2c8e7834f7ebb977d3eea93c5a0b9e4ba5cf0f69a2dd06e63729fa4db3e146f

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            60bd65de2691374088972e4f8ad929fc

            SHA1

            e007657fe4aa1648907410d6ecc9b4f9716460c8

            SHA256

            87fbc1ed56f9e19acf2ac8294f937a4bcb302cda820606b8437000730e06927b

            SHA512

            a52fd618231f326552308ec2e2fe4762cd0fe25c2b84d4dfa3afb8935d1d21e8b2c8e7834f7ebb977d3eea93c5a0b9e4ba5cf0f69a2dd06e63729fa4db3e146f

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            6cd39ee15855032aecf4f6d558fcae46

            SHA1

            85dd01f979dcac89847605a53da9d5229839a096

            SHA256

            a11e6e6368c688766afe28749276ad0f379920d0e1a4c14a438e4919a415d487

            SHA512

            7d90b2af2708f24e81227debedad6849f6e3b2f519b0651a50943369db872b32e41c06f5c899ed774fe42a0ee836fa741731cb3cf7c393bf9f6cf444d7261f38

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            6cd39ee15855032aecf4f6d558fcae46

            SHA1

            85dd01f979dcac89847605a53da9d5229839a096

            SHA256

            a11e6e6368c688766afe28749276ad0f379920d0e1a4c14a438e4919a415d487

            SHA512

            7d90b2af2708f24e81227debedad6849f6e3b2f519b0651a50943369db872b32e41c06f5c899ed774fe42a0ee836fa741731cb3cf7c393bf9f6cf444d7261f38

          • \Users\Admin\AppData\Local\Temp\nst48F5.tmp\System.dll

            Filesize

            11KB

            MD5

            c17103ae9072a06da581dec998343fc1

            SHA1

            b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

            SHA256

            dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

            SHA512

            d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

          • \Users\Admin\AppData\Local\Temp\nst48F5.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • \Users\Admin\AppData\Local\Temp\nst48F5.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • \Users\Admin\AppData\Local\Temp\nst48F5.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • \Users\Admin\AppData\Local\Temp\nst48F5.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • \Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            a4daeee8a4ef5750ebac2a374407b5b5

            SHA1

            93951387371b9acfc53765b6194f7bd475654642

            SHA256

            e3d07a82b6da881ea2b0a1e9eab46597cc214debd1526ec6c45f8925e03a728a

            SHA512

            2b40e43088981ffef5470296d9f854e098cda489366b29c079df53af50a914ce9c85b34689c72850a6e1f385fabe7879b519531541b3335d4f75c7e16e171618

          • \Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            a4daeee8a4ef5750ebac2a374407b5b5

            SHA1

            93951387371b9acfc53765b6194f7bd475654642

            SHA256

            e3d07a82b6da881ea2b0a1e9eab46597cc214debd1526ec6c45f8925e03a728a

            SHA512

            2b40e43088981ffef5470296d9f854e098cda489366b29c079df53af50a914ce9c85b34689c72850a6e1f385fabe7879b519531541b3335d4f75c7e16e171618

          • \Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            a4daeee8a4ef5750ebac2a374407b5b5

            SHA1

            93951387371b9acfc53765b6194f7bd475654642

            SHA256

            e3d07a82b6da881ea2b0a1e9eab46597cc214debd1526ec6c45f8925e03a728a

            SHA512

            2b40e43088981ffef5470296d9f854e098cda489366b29c079df53af50a914ce9c85b34689c72850a6e1f385fabe7879b519531541b3335d4f75c7e16e171618

          • \Windows\SysWOW64\hfpapi.dll

            Filesize

            241KB

            MD5

            d998227d1fc2367e4f7cb66372541fd6

            SHA1

            ba05e3147e2f4082c940dc673abb6413fc6214c2

            SHA256

            f31820f949b76cd4e6bfa82c50f07a99491d8627983f9318824c2e3fc4d1862f

            SHA512

            52f218be0cd4620354dcf7039cb385eab3d38f8f179403a9e5729cd1f5006b6ba9e86e5c61e5652ce03a1a54607dffb9acc6d40d1c0f12eb5ed1b01d70117e21

          • \Windows\SysWOW64\hfpapi.dll

            Filesize

            241KB

            MD5

            d998227d1fc2367e4f7cb66372541fd6

            SHA1

            ba05e3147e2f4082c940dc673abb6413fc6214c2

            SHA256

            f31820f949b76cd4e6bfa82c50f07a99491d8627983f9318824c2e3fc4d1862f

            SHA512

            52f218be0cd4620354dcf7039cb385eab3d38f8f179403a9e5729cd1f5006b6ba9e86e5c61e5652ce03a1a54607dffb9acc6d40d1c0f12eb5ed1b01d70117e21

          • \Windows\SysWOW64\installd.exe

            Filesize

            108KB

            MD5

            d5477885b3edecac0ae9e99ec9053db2

            SHA1

            d2146a7411b5d07cb23d13e00c5292c9e1647460

            SHA256

            10ec0a71ae47785bff1250ef2ee65a5cf48123e4323a45bd8342bd6e72ea4fcb

            SHA512

            c896aa991ce40178c3eac444b32dbe01ed6f705ec3a6a567f1b1ec1d8bc45eaaca79dc17943b432b159fae8ae5aa0bb5d334c4e0ef8e3986a30f84588c14153d

          • \Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            60bd65de2691374088972e4f8ad929fc

            SHA1

            e007657fe4aa1648907410d6ecc9b4f9716460c8

            SHA256

            87fbc1ed56f9e19acf2ac8294f937a4bcb302cda820606b8437000730e06927b

            SHA512

            a52fd618231f326552308ec2e2fe4762cd0fe25c2b84d4dfa3afb8935d1d21e8b2c8e7834f7ebb977d3eea93c5a0b9e4ba5cf0f69a2dd06e63729fa4db3e146f

          • \Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            6cd39ee15855032aecf4f6d558fcae46

            SHA1

            85dd01f979dcac89847605a53da9d5229839a096

            SHA256

            a11e6e6368c688766afe28749276ad0f379920d0e1a4c14a438e4919a415d487

            SHA512

            7d90b2af2708f24e81227debedad6849f6e3b2f519b0651a50943369db872b32e41c06f5c899ed774fe42a0ee836fa741731cb3cf7c393bf9f6cf444d7261f38

          • memory/572-57-0x0000000000000000-mapping.dmp

          • memory/816-58-0x0000000000000000-mapping.dmp

          • memory/868-60-0x0000000000000000-mapping.dmp

          • memory/948-81-0x0000000000000000-mapping.dmp

          • memory/1072-82-0x0000000000000000-mapping.dmp

          • memory/1200-77-0x0000000000000000-mapping.dmp

          • memory/1324-54-0x0000000075F81000-0x0000000075F83000-memory.dmp

            Filesize

            8KB

          • memory/1324-62-0x0000000000360000-0x00000000007BE000-memory.dmp

            Filesize

            4.4MB

          • memory/1324-75-0x0000000000360000-0x00000000007BE000-memory.dmp

            Filesize

            4.4MB

          • memory/1324-91-0x0000000000360000-0x00000000007BE000-memory.dmp

            Filesize

            4.4MB

          • memory/1380-87-0x0000000000000000-mapping.dmp

          • memory/1464-88-0x0000000000000000-mapping.dmp

          • memory/1616-64-0x0000000000000000-mapping.dmp

          • memory/1652-70-0x0000000000000000-mapping.dmp

          • memory/1820-61-0x0000000000000000-mapping.dmp