Analysis

  • max time kernel
    144s
  • max time network
    153s
  • 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 10:35

General

  • Target

    01ef502806e1f0aa556bd09060aff90e45c2c4784648af5750ba7c5b031ae2f8.exe

  • Size

    601KB

  • MD5

    e48e9c2ba76824be31fa94876a7e62b6

  • SHA1

    c3a02a7edb46e4641160d04ead169a6e364505f0

  • SHA256

    01ef502806e1f0aa556bd09060aff90e45c2c4784648af5750ba7c5b031ae2f8

  • SHA512

    4b6207572013033423f83c00b497111e1642b0943592ce06f7ca44668c2037ab9698a83445c84da196092d9599dfe6b92d60315994b2a7fac86f18cbe453c511

  • SSDEEP

    12288:jIny5DYTIx3E61fBcyTr2fFzhCEjqCDfUc1rjmlK23hxFlI:rUTIxV52dfFdCfixrjoj3DFl

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\01ef502806e1f0aa556bd09060aff90e45c2c4784648af5750ba7c5b031ae2f8.exe
    "C:\Users\Admin\AppData\Local\Temp\01ef502806e1f0aa556bd09060aff90e45c2c4784648af5750ba7c5b031ae2f8.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:4816
    • C:\Windows\SysWOW64\net.exe
      net stop nethttpservice
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4424
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 stop nethttpservice
        3⤵
          PID:5080
      • C:\Windows\SysWOW64\net.exe
        net stop serviceupdater
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:2228
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop serviceupdater
          3⤵
            PID:4008
        • C:\Windows\SysWOW64\installd.exe
          "C:\Windows\system32\installd.exe" nethfdrv
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:1940
        • C:\Windows\SysWOW64\nethtsrv.exe
          "C:\Windows\system32\nethtsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:696
        • C:\Windows\SysWOW64\netupdsrv.exe
          "C:\Windows\system32\netupdsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          PID:3464
        • C:\Windows\SysWOW64\net.exe
          net start nethttpservice
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:3668
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 start nethttpservice
            3⤵
              PID:3660
          • C:\Windows\SysWOW64\net.exe
            net start serviceupdater
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:492
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 start serviceupdater
              3⤵
                PID:4924
          • 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:4452
          • C:\Windows\SysWOW64\netupdsrv.exe
            C:\Windows\SysWOW64\netupdsrv.exe
            1⤵
            • Executes dropped EXE
            PID:4340

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\nsq95EE.tmp\System.dll

            Filesize

            11KB

            MD5

            c17103ae9072a06da581dec998343fc1

            SHA1

            b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

            SHA256

            dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

            SHA512

            d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

          • C:\Users\Admin\AppData\Local\Temp\nsq95EE.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsq95EE.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsq95EE.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsq95EE.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsq95EE.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsq95EE.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsq95EE.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsq95EE.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            e96d345ed4ec67a2ba09b54c5b4845b0

            SHA1

            09050ecd1f9ef80be75c3cf94289938836614f20

            SHA256

            ff16192c59c41315ddb7619536bec34952724342dc69c629cc78f2bb6fdb4b4b

            SHA512

            dba0bb82b644141107dcc50e2ffe3ef9c7c5a4c18e601b89c33fecefaee31b71a5a1f7a0d7ff8d3f7563a139c3e598e7165129182b7bdb5417898530bd98a427

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            e96d345ed4ec67a2ba09b54c5b4845b0

            SHA1

            09050ecd1f9ef80be75c3cf94289938836614f20

            SHA256

            ff16192c59c41315ddb7619536bec34952724342dc69c629cc78f2bb6fdb4b4b

            SHA512

            dba0bb82b644141107dcc50e2ffe3ef9c7c5a4c18e601b89c33fecefaee31b71a5a1f7a0d7ff8d3f7563a139c3e598e7165129182b7bdb5417898530bd98a427

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            e96d345ed4ec67a2ba09b54c5b4845b0

            SHA1

            09050ecd1f9ef80be75c3cf94289938836614f20

            SHA256

            ff16192c59c41315ddb7619536bec34952724342dc69c629cc78f2bb6fdb4b4b

            SHA512

            dba0bb82b644141107dcc50e2ffe3ef9c7c5a4c18e601b89c33fecefaee31b71a5a1f7a0d7ff8d3f7563a139c3e598e7165129182b7bdb5417898530bd98a427

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            e96d345ed4ec67a2ba09b54c5b4845b0

            SHA1

            09050ecd1f9ef80be75c3cf94289938836614f20

            SHA256

            ff16192c59c41315ddb7619536bec34952724342dc69c629cc78f2bb6fdb4b4b

            SHA512

            dba0bb82b644141107dcc50e2ffe3ef9c7c5a4c18e601b89c33fecefaee31b71a5a1f7a0d7ff8d3f7563a139c3e598e7165129182b7bdb5417898530bd98a427

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            241KB

            MD5

            d4e3adbb0b1d7d7b956bf81195e649b9

            SHA1

            dfa2c51503fe62f062abcc0f808ecd4fc83b938c

            SHA256

            2967cd7c4aa6e022b2d1eacf409b686ed0bd213d8b8bf1997f44fd8d377aef8f

            SHA512

            a730c86eb4071a1a6f4b96873cf3841750faed790a047a31f9f5289a8fc4629814eb25a1387737832993a975441554fc8137ccb9c24eaab674b91b11793c4c21

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            241KB

            MD5

            d4e3adbb0b1d7d7b956bf81195e649b9

            SHA1

            dfa2c51503fe62f062abcc0f808ecd4fc83b938c

            SHA256

            2967cd7c4aa6e022b2d1eacf409b686ed0bd213d8b8bf1997f44fd8d377aef8f

            SHA512

            a730c86eb4071a1a6f4b96873cf3841750faed790a047a31f9f5289a8fc4629814eb25a1387737832993a975441554fc8137ccb9c24eaab674b91b11793c4c21

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            241KB

            MD5

            d4e3adbb0b1d7d7b956bf81195e649b9

            SHA1

            dfa2c51503fe62f062abcc0f808ecd4fc83b938c

            SHA256

            2967cd7c4aa6e022b2d1eacf409b686ed0bd213d8b8bf1997f44fd8d377aef8f

            SHA512

            a730c86eb4071a1a6f4b96873cf3841750faed790a047a31f9f5289a8fc4629814eb25a1387737832993a975441554fc8137ccb9c24eaab674b91b11793c4c21

          • C:\Windows\SysWOW64\installd.exe

            Filesize

            108KB

            MD5

            f4717d7d0611a3124062b1925f8b04ba

            SHA1

            ae8fe3770e825c849082a33786a5028207680d08

            SHA256

            2a679feed0814f9fc24856025cf049df5b76cbea0a7645dff72d5336f6527bd6

            SHA512

            b433e791fff6e109af72ca2052bc8e7fd138dd922dfd06ffcf7d571ef5b06095f70141db33336397708a7b5d8a9c06cc198002cf42f8c92a3773e3749aae3940

          • C:\Windows\SysWOW64\installd.exe

            Filesize

            108KB

            MD5

            f4717d7d0611a3124062b1925f8b04ba

            SHA1

            ae8fe3770e825c849082a33786a5028207680d08

            SHA256

            2a679feed0814f9fc24856025cf049df5b76cbea0a7645dff72d5336f6527bd6

            SHA512

            b433e791fff6e109af72ca2052bc8e7fd138dd922dfd06ffcf7d571ef5b06095f70141db33336397708a7b5d8a9c06cc198002cf42f8c92a3773e3749aae3940

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            9627a64841a3710fed0814dbd781ac76

            SHA1

            7afc513b99d896689d43fadf019395b31b955702

            SHA256

            25e4ed399e98d6ad27766c4ad46d0d4546f1ab16bd4059a4e5dce1253a7d8fdc

            SHA512

            58d6cb99d381bd992b30bfbb895cb567d0d56e290f21ac04d6f6512d623e0a8e5166f10e2f4c41c6245f5299127fe3455a6e6af0798df3f00ba3bfa5747d82ff

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            9627a64841a3710fed0814dbd781ac76

            SHA1

            7afc513b99d896689d43fadf019395b31b955702

            SHA256

            25e4ed399e98d6ad27766c4ad46d0d4546f1ab16bd4059a4e5dce1253a7d8fdc

            SHA512

            58d6cb99d381bd992b30bfbb895cb567d0d56e290f21ac04d6f6512d623e0a8e5166f10e2f4c41c6245f5299127fe3455a6e6af0798df3f00ba3bfa5747d82ff

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            9627a64841a3710fed0814dbd781ac76

            SHA1

            7afc513b99d896689d43fadf019395b31b955702

            SHA256

            25e4ed399e98d6ad27766c4ad46d0d4546f1ab16bd4059a4e5dce1253a7d8fdc

            SHA512

            58d6cb99d381bd992b30bfbb895cb567d0d56e290f21ac04d6f6512d623e0a8e5166f10e2f4c41c6245f5299127fe3455a6e6af0798df3f00ba3bfa5747d82ff

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            62b5dbd29d9b85ab5e370862fe2df8af

            SHA1

            285ea79c9185d44d965aad32b00562a688973074

            SHA256

            e54ec71ec3576ce567e020ede56a44cdc9203f9074b27c494cd5e823f76dae31

            SHA512

            3a553cfd31e5fd9bf46bbe0d73a9e3a516082c88fa72225b3e2c94dc929d292d3516786b0e2f4e30d8daca9d198bfb6a92f78619de82427f26f94010e51b2ffe

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            62b5dbd29d9b85ab5e370862fe2df8af

            SHA1

            285ea79c9185d44d965aad32b00562a688973074

            SHA256

            e54ec71ec3576ce567e020ede56a44cdc9203f9074b27c494cd5e823f76dae31

            SHA512

            3a553cfd31e5fd9bf46bbe0d73a9e3a516082c88fa72225b3e2c94dc929d292d3516786b0e2f4e30d8daca9d198bfb6a92f78619de82427f26f94010e51b2ffe

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            62b5dbd29d9b85ab5e370862fe2df8af

            SHA1

            285ea79c9185d44d965aad32b00562a688973074

            SHA256

            e54ec71ec3576ce567e020ede56a44cdc9203f9074b27c494cd5e823f76dae31

            SHA512

            3a553cfd31e5fd9bf46bbe0d73a9e3a516082c88fa72225b3e2c94dc929d292d3516786b0e2f4e30d8daca9d198bfb6a92f78619de82427f26f94010e51b2ffe

          • memory/492-165-0x0000000000000000-mapping.dmp

          • memory/696-147-0x0000000000000000-mapping.dmp

          • memory/1940-142-0x0000000000000000-mapping.dmp

          • memory/2228-140-0x0000000000000000-mapping.dmp

          • memory/3464-153-0x0000000000000000-mapping.dmp

          • memory/3660-159-0x0000000000000000-mapping.dmp

          • memory/3668-158-0x0000000000000000-mapping.dmp

          • memory/4008-141-0x0000000000000000-mapping.dmp

          • memory/4424-136-0x0000000000000000-mapping.dmp

          • memory/4816-132-0x0000000000360000-0x00000000007BE000-memory.dmp

            Filesize

            4.4MB

          • memory/4816-168-0x0000000000360000-0x00000000007BE000-memory.dmp

            Filesize

            4.4MB

          • memory/4924-166-0x0000000000000000-mapping.dmp

          • memory/5080-137-0x0000000000000000-mapping.dmp