Analysis

  • max time kernel
    185s
  • max time network
    186s
  • 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 10:59

General

  • Target

    1fae98f525eef98e814cb629b112690df8c021e0b986949ecb2bf62511dba80a.exe

  • Size

    445KB

  • MD5

    b514c67ca204a801badb426e30d1e5ff

  • SHA1

    300c804fdff049bb0f2c8c7a320ca5b4166e8381

  • SHA256

    1fae98f525eef98e814cb629b112690df8c021e0b986949ecb2bf62511dba80a

  • SHA512

    8b2b654b0b99a03b928abd40d44423e323618336022c5644e527841f46df2b4b1bc32aa07b0a5065b45b82fd4d224dde8caf41bd61f2aa62a5260794d43058cf

  • SSDEEP

    12288:jZbHXYOXUAylTA9Pdv1l2gJVqqV+54FF4m65po:jZL0Jl0Bdv3/JVql5gF495po

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\1fae98f525eef98e814cb629b112690df8c021e0b986949ecb2bf62511dba80a.exe
    "C:\Users\Admin\AppData\Local\Temp\1fae98f525eef98e814cb629b112690df8c021e0b986949ecb2bf62511dba80a.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:5008
    • C:\Windows\SysWOW64\net.exe
      net stop nethttpservice
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3200
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 stop nethttpservice
        3⤵
          PID:4512
      • C:\Windows\SysWOW64\net.exe
        net stop serviceupdater
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:2132
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop serviceupdater
          3⤵
            PID:2024
        • C:\Windows\SysWOW64\installd.exe
          "C:\Windows\system32\installd.exe" nethfdrv
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:4876
        • C:\Windows\SysWOW64\nethtsrv.exe
          "C:\Windows\system32\nethtsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:4840
        • C:\Windows\SysWOW64\netupdsrv.exe
          "C:\Windows\system32\netupdsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          PID:4704
        • C:\Windows\SysWOW64\net.exe
          net start nethttpservice
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:2336
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 start nethttpservice
            3⤵
              PID:1380
          • C:\Windows\SysWOW64\net.exe
            net start serviceupdater
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2920
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 start serviceupdater
              3⤵
                PID:2728
          • 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:3620
          • C:\Windows\SysWOW64\netupdsrv.exe
            C:\Windows\SysWOW64\netupdsrv.exe
            1⤵
            • Executes dropped EXE
            PID:3412

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\nscF39E.tmp\System.dll

            Filesize

            11KB

            MD5

            c17103ae9072a06da581dec998343fc1

            SHA1

            b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

            SHA256

            dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

            SHA512

            d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

          • C:\Users\Admin\AppData\Local\Temp\nscF39E.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nscF39E.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nscF39E.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nscF39E.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nscF39E.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nscF39E.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nscF39E.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nscF39E.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            eee943d892d540aaba4890b791aa0677

            SHA1

            43f37994c8466a65dbe9b08c9d91a5b3f75ed6ab

            SHA256

            2fb96f2ac0b444837d40860a5aeda910cee662303ac0db6144b7bc29cedaaa6a

            SHA512

            b6d089cafc56f3dc0d89e3ed817846549fc1646d8d74a42a96fb2ac634ef124df708ec02bc586ddbfa10b5b2f331dabd3b21c624cd420bbc453cfdd5518ec940

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            eee943d892d540aaba4890b791aa0677

            SHA1

            43f37994c8466a65dbe9b08c9d91a5b3f75ed6ab

            SHA256

            2fb96f2ac0b444837d40860a5aeda910cee662303ac0db6144b7bc29cedaaa6a

            SHA512

            b6d089cafc56f3dc0d89e3ed817846549fc1646d8d74a42a96fb2ac634ef124df708ec02bc586ddbfa10b5b2f331dabd3b21c624cd420bbc453cfdd5518ec940

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            eee943d892d540aaba4890b791aa0677

            SHA1

            43f37994c8466a65dbe9b08c9d91a5b3f75ed6ab

            SHA256

            2fb96f2ac0b444837d40860a5aeda910cee662303ac0db6144b7bc29cedaaa6a

            SHA512

            b6d089cafc56f3dc0d89e3ed817846549fc1646d8d74a42a96fb2ac634ef124df708ec02bc586ddbfa10b5b2f331dabd3b21c624cd420bbc453cfdd5518ec940

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            eee943d892d540aaba4890b791aa0677

            SHA1

            43f37994c8466a65dbe9b08c9d91a5b3f75ed6ab

            SHA256

            2fb96f2ac0b444837d40860a5aeda910cee662303ac0db6144b7bc29cedaaa6a

            SHA512

            b6d089cafc56f3dc0d89e3ed817846549fc1646d8d74a42a96fb2ac634ef124df708ec02bc586ddbfa10b5b2f331dabd3b21c624cd420bbc453cfdd5518ec940

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            241KB

            MD5

            6ca0fb21886d4b39de0ad9eee16fb7c7

            SHA1

            51ee547cf0624c4a8df5ef4390f1d862bbe38110

            SHA256

            4d139566ac351504374fa3da5887662c582934dac205336493fa1ac23855c6c8

            SHA512

            08cba9929da412eb1dcbf39098ef5265fafde16440138b8901f2eb878ec210e99e7392e66e248733c15f5496f4dde33442bbace05c242c4d3b575d8632f89839

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            241KB

            MD5

            6ca0fb21886d4b39de0ad9eee16fb7c7

            SHA1

            51ee547cf0624c4a8df5ef4390f1d862bbe38110

            SHA256

            4d139566ac351504374fa3da5887662c582934dac205336493fa1ac23855c6c8

            SHA512

            08cba9929da412eb1dcbf39098ef5265fafde16440138b8901f2eb878ec210e99e7392e66e248733c15f5496f4dde33442bbace05c242c4d3b575d8632f89839

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            241KB

            MD5

            6ca0fb21886d4b39de0ad9eee16fb7c7

            SHA1

            51ee547cf0624c4a8df5ef4390f1d862bbe38110

            SHA256

            4d139566ac351504374fa3da5887662c582934dac205336493fa1ac23855c6c8

            SHA512

            08cba9929da412eb1dcbf39098ef5265fafde16440138b8901f2eb878ec210e99e7392e66e248733c15f5496f4dde33442bbace05c242c4d3b575d8632f89839

          • C:\Windows\SysWOW64\installd.exe

            Filesize

            108KB

            MD5

            cb08675550549d7210bf31c32de17185

            SHA1

            fc86fe6e60121203a3253f22e81c513fb115ec77

            SHA256

            d4ecdf5f5d90923a981d6b8dc9309ac775562c9c16d09b92db9b2a7bd38f3103

            SHA512

            17024eb8b762edd8c3f99ff89c0756a18c6125b8c4c3ac061ad2ff093fe263bbb6de60870dcaefda21f2f9e264977cdcddd9e233624b569c33ffb3e6e813a0b9

          • C:\Windows\SysWOW64\installd.exe

            Filesize

            108KB

            MD5

            cb08675550549d7210bf31c32de17185

            SHA1

            fc86fe6e60121203a3253f22e81c513fb115ec77

            SHA256

            d4ecdf5f5d90923a981d6b8dc9309ac775562c9c16d09b92db9b2a7bd38f3103

            SHA512

            17024eb8b762edd8c3f99ff89c0756a18c6125b8c4c3ac061ad2ff093fe263bbb6de60870dcaefda21f2f9e264977cdcddd9e233624b569c33ffb3e6e813a0b9

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            5627aef91bf6dd9f3cf88752830bb7a4

            SHA1

            02aea759d5bb23a0c9225208956d01edd131dc9a

            SHA256

            f25a73e1028c552f9e5fb62cb128357e948018fadaa1532b7d3c6f11dae8bc50

            SHA512

            b109ba94fd4a874a62dbb7bb9d5e25a741dd43473c9eb968307b4a5610ef998ca528cd20b6d5707f9eefa2047279f471f8d3fa025567baf7382a1e5059c284f0

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            5627aef91bf6dd9f3cf88752830bb7a4

            SHA1

            02aea759d5bb23a0c9225208956d01edd131dc9a

            SHA256

            f25a73e1028c552f9e5fb62cb128357e948018fadaa1532b7d3c6f11dae8bc50

            SHA512

            b109ba94fd4a874a62dbb7bb9d5e25a741dd43473c9eb968307b4a5610ef998ca528cd20b6d5707f9eefa2047279f471f8d3fa025567baf7382a1e5059c284f0

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            5627aef91bf6dd9f3cf88752830bb7a4

            SHA1

            02aea759d5bb23a0c9225208956d01edd131dc9a

            SHA256

            f25a73e1028c552f9e5fb62cb128357e948018fadaa1532b7d3c6f11dae8bc50

            SHA512

            b109ba94fd4a874a62dbb7bb9d5e25a741dd43473c9eb968307b4a5610ef998ca528cd20b6d5707f9eefa2047279f471f8d3fa025567baf7382a1e5059c284f0

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            e560ec6a332b6ac9e4a5fce2c07f7876

            SHA1

            98aa05dfccb4a046a5b703ad4c0e8c89ab6450fa

            SHA256

            a2872ead9f7e95be47f7549aa0bba3d8a85a79eb21c441abe7bc6e9de41f731f

            SHA512

            1a6060f3c3442d9d9b5cc56f576ea7f3573e1c0a2a600e7faa0007aa88451cb47fc0c7af8a48741726d7eda967f1708f34e8012ecb441c4d6bfb5abdee1417f0

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            e560ec6a332b6ac9e4a5fce2c07f7876

            SHA1

            98aa05dfccb4a046a5b703ad4c0e8c89ab6450fa

            SHA256

            a2872ead9f7e95be47f7549aa0bba3d8a85a79eb21c441abe7bc6e9de41f731f

            SHA512

            1a6060f3c3442d9d9b5cc56f576ea7f3573e1c0a2a600e7faa0007aa88451cb47fc0c7af8a48741726d7eda967f1708f34e8012ecb441c4d6bfb5abdee1417f0

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            e560ec6a332b6ac9e4a5fce2c07f7876

            SHA1

            98aa05dfccb4a046a5b703ad4c0e8c89ab6450fa

            SHA256

            a2872ead9f7e95be47f7549aa0bba3d8a85a79eb21c441abe7bc6e9de41f731f

            SHA512

            1a6060f3c3442d9d9b5cc56f576ea7f3573e1c0a2a600e7faa0007aa88451cb47fc0c7af8a48741726d7eda967f1708f34e8012ecb441c4d6bfb5abdee1417f0

          • memory/1380-158-0x0000000000000000-mapping.dmp

          • memory/2024-140-0x0000000000000000-mapping.dmp

          • memory/2132-139-0x0000000000000000-mapping.dmp

          • memory/2336-157-0x0000000000000000-mapping.dmp

          • memory/2728-165-0x0000000000000000-mapping.dmp

          • memory/2920-164-0x0000000000000000-mapping.dmp

          • memory/3200-135-0x0000000000000000-mapping.dmp

          • memory/4512-136-0x0000000000000000-mapping.dmp

          • memory/4704-152-0x0000000000000000-mapping.dmp

          • memory/4840-146-0x0000000000000000-mapping.dmp

          • memory/4876-141-0x0000000000000000-mapping.dmp