Analysis

  • max time kernel
    91s
  • max time network
    155s
  • 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 11:00

General

  • Target

    07d34f6a2aa730c8e738765802c547d5bccc22a8d25b80b48f178e94c9cc2436.exe

  • Size

    446KB

  • MD5

    516ea7974e64a77641ddae2190b31091

  • SHA1

    e747ba55b0f5a02157a60c12341e6d51bf92b248

  • SHA256

    07d34f6a2aa730c8e738765802c547d5bccc22a8d25b80b48f178e94c9cc2436

  • SHA512

    b678831be939e44adda0c5236d9aa239d23e113317203b5dde93c5407b48ebfcc6263f32bc402aef3d2b30accd04adf22e794ac40b860bdaefb6dd2d1aebf9e4

  • SSDEEP

    12288:V5dlwBR/J1ygItISdHArUR+BIHAsyOhN3UlBOn:V5de434Bu5hVCcn

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\07d34f6a2aa730c8e738765802c547d5bccc22a8d25b80b48f178e94c9cc2436.exe
    "C:\Users\Admin\AppData\Local\Temp\07d34f6a2aa730c8e738765802c547d5bccc22a8d25b80b48f178e94c9cc2436.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:3040
    • C:\Windows\SysWOW64\net.exe
      net stop nethttpservice
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4360
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 stop nethttpservice
        3⤵
          PID:808
      • C:\Windows\SysWOW64\net.exe
        net stop serviceupdater
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:4864
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop serviceupdater
          3⤵
            PID:2260
        • C:\Windows\SysWOW64\installd.exe
          "C:\Windows\system32\installd.exe" nethfdrv
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:816
        • C:\Windows\SysWOW64\nethtsrv.exe
          "C:\Windows\system32\nethtsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:3692
        • C:\Windows\SysWOW64\netupdsrv.exe
          "C:\Windows\system32\netupdsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          PID:320
        • C:\Windows\SysWOW64\net.exe
          net start nethttpservice
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:2780
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 start nethttpservice
            3⤵
              PID:3140
          • C:\Windows\SysWOW64\net.exe
            net start serviceupdater
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2704
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 start serviceupdater
              3⤵
                PID:2384
          • 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:2688
          • C:\Windows\SysWOW64\netupdsrv.exe
            C:\Windows\SysWOW64\netupdsrv.exe
            1⤵
            • Executes dropped EXE
            PID:732

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

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

            Filesize

            11KB

            MD5

            c17103ae9072a06da581dec998343fc1

            SHA1

            b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

            SHA256

            dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

            SHA512

            d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

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

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

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

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

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

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

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

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

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

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

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

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

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

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

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

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            abbe612f0bd3e761195cdeaa872dc364

            SHA1

            da5589515978255d60af920808ff77d4b55584ac

            SHA256

            bc3611d704ba9865999cd5b2b73e3926a7b6d872d427d2a689109abaeedeb81f

            SHA512

            54d533e0862ad17fe9b8decfaf59ea7b9873e8c1af1506d447d1298c8663d5d480da753108fafd23be9fa610558a6f1567243a22d3001a5a08611e87ea6afb3e

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            abbe612f0bd3e761195cdeaa872dc364

            SHA1

            da5589515978255d60af920808ff77d4b55584ac

            SHA256

            bc3611d704ba9865999cd5b2b73e3926a7b6d872d427d2a689109abaeedeb81f

            SHA512

            54d533e0862ad17fe9b8decfaf59ea7b9873e8c1af1506d447d1298c8663d5d480da753108fafd23be9fa610558a6f1567243a22d3001a5a08611e87ea6afb3e

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            abbe612f0bd3e761195cdeaa872dc364

            SHA1

            da5589515978255d60af920808ff77d4b55584ac

            SHA256

            bc3611d704ba9865999cd5b2b73e3926a7b6d872d427d2a689109abaeedeb81f

            SHA512

            54d533e0862ad17fe9b8decfaf59ea7b9873e8c1af1506d447d1298c8663d5d480da753108fafd23be9fa610558a6f1567243a22d3001a5a08611e87ea6afb3e

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            abbe612f0bd3e761195cdeaa872dc364

            SHA1

            da5589515978255d60af920808ff77d4b55584ac

            SHA256

            bc3611d704ba9865999cd5b2b73e3926a7b6d872d427d2a689109abaeedeb81f

            SHA512

            54d533e0862ad17fe9b8decfaf59ea7b9873e8c1af1506d447d1298c8663d5d480da753108fafd23be9fa610558a6f1567243a22d3001a5a08611e87ea6afb3e

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            241KB

            MD5

            36cffcfa23da84cb8a01e4a43475feed

            SHA1

            2942be6b103a9cd45e97afe2f89690eb49be9b19

            SHA256

            17c488c8043d81dbd00ae45930d9dec51e89f359555357e48801422d64aa0b6b

            SHA512

            76e10c00681e944d1cbf1e9fd4a37d0acea38109dbb8142cc5d175aa118704e3935501428c96dcc79b1fd6d1f4789fec8d3dadd356455775d862a26d63ebb8fb

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            241KB

            MD5

            36cffcfa23da84cb8a01e4a43475feed

            SHA1

            2942be6b103a9cd45e97afe2f89690eb49be9b19

            SHA256

            17c488c8043d81dbd00ae45930d9dec51e89f359555357e48801422d64aa0b6b

            SHA512

            76e10c00681e944d1cbf1e9fd4a37d0acea38109dbb8142cc5d175aa118704e3935501428c96dcc79b1fd6d1f4789fec8d3dadd356455775d862a26d63ebb8fb

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            241KB

            MD5

            36cffcfa23da84cb8a01e4a43475feed

            SHA1

            2942be6b103a9cd45e97afe2f89690eb49be9b19

            SHA256

            17c488c8043d81dbd00ae45930d9dec51e89f359555357e48801422d64aa0b6b

            SHA512

            76e10c00681e944d1cbf1e9fd4a37d0acea38109dbb8142cc5d175aa118704e3935501428c96dcc79b1fd6d1f4789fec8d3dadd356455775d862a26d63ebb8fb

          • C:\Windows\SysWOW64\installd.exe

            Filesize

            108KB

            MD5

            ed37773ae3e36fbc4d315725df848f87

            SHA1

            4f71820986f13b08088b4d9e038855b438c48bcb

            SHA256

            a45f4bdb7e8dff6e42b4f4fa35f3b310854081c72c40c064d077320749f2f63b

            SHA512

            93830a1895eb02ffeae6d5695246439992782651d702b43374a608b5481ae4f807455b2d5faf4ddd567e746d644175536dda5bddf3c225d337b26fe04ab26f39

          • C:\Windows\SysWOW64\installd.exe

            Filesize

            108KB

            MD5

            ed37773ae3e36fbc4d315725df848f87

            SHA1

            4f71820986f13b08088b4d9e038855b438c48bcb

            SHA256

            a45f4bdb7e8dff6e42b4f4fa35f3b310854081c72c40c064d077320749f2f63b

            SHA512

            93830a1895eb02ffeae6d5695246439992782651d702b43374a608b5481ae4f807455b2d5faf4ddd567e746d644175536dda5bddf3c225d337b26fe04ab26f39

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            488cf783cbbf2bcc97c0ff3db660f458

            SHA1

            b92b1c2303081f21dead4ecd5beb9d9f7519d164

            SHA256

            2399b4a151dac64c192b511b5fa518ce3155644b2a68a34625132a1ab45ff05c

            SHA512

            1ec395e0b32bb57beb258ee15df4691344ed71d698e7c009a9a04b05e2ca2e0f366741b941e9c082f3240f2869da47d2b53a60b38412686f9e6e228ec9c414ed

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            488cf783cbbf2bcc97c0ff3db660f458

            SHA1

            b92b1c2303081f21dead4ecd5beb9d9f7519d164

            SHA256

            2399b4a151dac64c192b511b5fa518ce3155644b2a68a34625132a1ab45ff05c

            SHA512

            1ec395e0b32bb57beb258ee15df4691344ed71d698e7c009a9a04b05e2ca2e0f366741b941e9c082f3240f2869da47d2b53a60b38412686f9e6e228ec9c414ed

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            488cf783cbbf2bcc97c0ff3db660f458

            SHA1

            b92b1c2303081f21dead4ecd5beb9d9f7519d164

            SHA256

            2399b4a151dac64c192b511b5fa518ce3155644b2a68a34625132a1ab45ff05c

            SHA512

            1ec395e0b32bb57beb258ee15df4691344ed71d698e7c009a9a04b05e2ca2e0f366741b941e9c082f3240f2869da47d2b53a60b38412686f9e6e228ec9c414ed

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            8ae63a5b8d79c29fc35196dd03195207

            SHA1

            17d029ea11a6db4b31cec123fb480e57a221823f

            SHA256

            4800a00ec1102964afd08360d44c1341dcd095255f108dab83822d93bb3fdc34

            SHA512

            d6cf17cfbe9bd4bd6a61a3cb597f58812088dde81a074ccca5c1133642df688c5f9ff6a8da8d520716e8b05cb1a8ead0d90b3708d24add7508fd364222b96494

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            8ae63a5b8d79c29fc35196dd03195207

            SHA1

            17d029ea11a6db4b31cec123fb480e57a221823f

            SHA256

            4800a00ec1102964afd08360d44c1341dcd095255f108dab83822d93bb3fdc34

            SHA512

            d6cf17cfbe9bd4bd6a61a3cb597f58812088dde81a074ccca5c1133642df688c5f9ff6a8da8d520716e8b05cb1a8ead0d90b3708d24add7508fd364222b96494

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            8ae63a5b8d79c29fc35196dd03195207

            SHA1

            17d029ea11a6db4b31cec123fb480e57a221823f

            SHA256

            4800a00ec1102964afd08360d44c1341dcd095255f108dab83822d93bb3fdc34

            SHA512

            d6cf17cfbe9bd4bd6a61a3cb597f58812088dde81a074ccca5c1133642df688c5f9ff6a8da8d520716e8b05cb1a8ead0d90b3708d24add7508fd364222b96494

          • memory/320-152-0x0000000000000000-mapping.dmp

          • memory/808-136-0x0000000000000000-mapping.dmp

          • memory/816-141-0x0000000000000000-mapping.dmp

          • memory/2260-140-0x0000000000000000-mapping.dmp

          • memory/2384-165-0x0000000000000000-mapping.dmp

          • memory/2704-164-0x0000000000000000-mapping.dmp

          • memory/2780-157-0x0000000000000000-mapping.dmp

          • memory/3140-158-0x0000000000000000-mapping.dmp

          • memory/3692-146-0x0000000000000000-mapping.dmp

          • memory/4360-135-0x0000000000000000-mapping.dmp

          • memory/4864-139-0x0000000000000000-mapping.dmp