Analysis

  • max time kernel
    151s
  • 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
    25/11/2022, 22:01

General

  • Target

    5e195c6e448a5f8248e27ead4a6f6521ce8fa1111b711bbc7fe04354fbd061f5.exe

  • Size

    562KB

  • MD5

    8d6fcd4debf04aef173b3eaf07295072

  • SHA1

    b916e25f916c2f5c8301fae232b2f0683d9bea84

  • SHA256

    5e195c6e448a5f8248e27ead4a6f6521ce8fa1111b711bbc7fe04354fbd061f5

  • SHA512

    8b3c715a724b16a6321a562fbc7c1d62a07715f17b8d9cfa50c1cc1abb5f18de8cc0d4555553e13f980e4378e5b8c6255eb0d9adc863fcebcbdd6afb791c76d4

  • SSDEEP

    12288:JPRYzJbfbvT7gckIFr5s50ezZlM8kASOkUhgRTQ:Iz9fH7gckIV5bezZlM8kdw+M

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\5e195c6e448a5f8248e27ead4a6f6521ce8fa1111b711bbc7fe04354fbd061f5.exe
    "C:\Users\Admin\AppData\Local\Temp\5e195c6e448a5f8248e27ead4a6f6521ce8fa1111b711bbc7fe04354fbd061f5.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:4964
    • C:\Windows\SysWOW64\net.exe
      net stop nethttpservice
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:428
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 stop nethttpservice
        3⤵
          PID:4336
      • C:\Windows\SysWOW64\net.exe
        net stop serviceupdater
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:5048
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop serviceupdater
          3⤵
            PID:1704
        • C:\Windows\SysWOW64\installd.exe
          "C:\Windows\system32\installd.exe" nethfdrv
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:1232
        • C:\Windows\SysWOW64\nethtsrv.exe
          "C:\Windows\system32\nethtsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:392
        • C:\Windows\SysWOW64\netupdsrv.exe
          "C:\Windows\system32\netupdsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          PID:3376
        • C:\Windows\SysWOW64\net.exe
          net start nethttpservice
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:5056
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 start nethttpservice
            3⤵
              PID:240
          • C:\Windows\SysWOW64\net.exe
            net start serviceupdater
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:4176
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 start serviceupdater
              3⤵
                PID:3968
          • 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:208
          • C:\Windows\SysWOW64\netupdsrv.exe
            C:\Windows\SysWOW64\netupdsrv.exe
            1⤵
            • Executes dropped EXE
            PID:3724

          Network

                MITRE ATT&CK Enterprise v6

                Replay Monitor

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                Downloads

                • C:\Users\Admin\AppData\Local\Temp\nsd105D.tmp\System.dll

                  Filesize

                  11KB

                  MD5

                  c17103ae9072a06da581dec998343fc1

                  SHA1

                  b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

                  SHA256

                  dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

                  SHA512

                  d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

                • C:\Users\Admin\AppData\Local\Temp\nsd105D.tmp\nsExec.dll

                  Filesize

                  6KB

                  MD5

                  acc2b699edfea5bf5aae45aba3a41e96

                  SHA1

                  d2accf4d494e43ceb2cff69abe4dd17147d29cc2

                  SHA256

                  168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

                  SHA512

                  e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

                • C:\Users\Admin\AppData\Local\Temp\nsd105D.tmp\nsExec.dll

                  Filesize

                  6KB

                  MD5

                  acc2b699edfea5bf5aae45aba3a41e96

                  SHA1

                  d2accf4d494e43ceb2cff69abe4dd17147d29cc2

                  SHA256

                  168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

                  SHA512

                  e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

                • C:\Users\Admin\AppData\Local\Temp\nsd105D.tmp\nsExec.dll

                  Filesize

                  6KB

                  MD5

                  acc2b699edfea5bf5aae45aba3a41e96

                  SHA1

                  d2accf4d494e43ceb2cff69abe4dd17147d29cc2

                  SHA256

                  168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

                  SHA512

                  e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

                • C:\Users\Admin\AppData\Local\Temp\nsd105D.tmp\nsExec.dll

                  Filesize

                  6KB

                  MD5

                  acc2b699edfea5bf5aae45aba3a41e96

                  SHA1

                  d2accf4d494e43ceb2cff69abe4dd17147d29cc2

                  SHA256

                  168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

                  SHA512

                  e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

                • C:\Users\Admin\AppData\Local\Temp\nsd105D.tmp\nsExec.dll

                  Filesize

                  6KB

                  MD5

                  acc2b699edfea5bf5aae45aba3a41e96

                  SHA1

                  d2accf4d494e43ceb2cff69abe4dd17147d29cc2

                  SHA256

                  168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

                  SHA512

                  e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

                • C:\Users\Admin\AppData\Local\Temp\nsd105D.tmp\nsExec.dll

                  Filesize

                  6KB

                  MD5

                  acc2b699edfea5bf5aae45aba3a41e96

                  SHA1

                  d2accf4d494e43ceb2cff69abe4dd17147d29cc2

                  SHA256

                  168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

                  SHA512

                  e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

                • C:\Users\Admin\AppData\Local\Temp\nsd105D.tmp\nsExec.dll

                  Filesize

                  6KB

                  MD5

                  acc2b699edfea5bf5aae45aba3a41e96

                  SHA1

                  d2accf4d494e43ceb2cff69abe4dd17147d29cc2

                  SHA256

                  168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

                  SHA512

                  e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

                • C:\Users\Admin\AppData\Local\Temp\nsd105D.tmp\nsExec.dll

                  Filesize

                  6KB

                  MD5

                  acc2b699edfea5bf5aae45aba3a41e96

                  SHA1

                  d2accf4d494e43ceb2cff69abe4dd17147d29cc2

                  SHA256

                  168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

                  SHA512

                  e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

                • C:\Windows\SysWOW64\hfnapi.dll

                  Filesize

                  106KB

                  MD5

                  8fa16da7903ea5e4e4fe7af483ef01b2

                  SHA1

                  46e4b83ba219c15ee2f92989d26923097ec3dddf

                  SHA256

                  9b76bc2b9f34a00f6d1151c4ea6532997bae19ece1133f62e664ca574709af6e

                  SHA512

                  e08c7a21d32596f3d4368c8f121a349a3dc6abd31284a828666e9324501570446fd06cd376ba477288ac37a75628b29ba9083316ea5d218c48aab4062bd8dd4a

                • C:\Windows\SysWOW64\hfnapi.dll

                  Filesize

                  106KB

                  MD5

                  8fa16da7903ea5e4e4fe7af483ef01b2

                  SHA1

                  46e4b83ba219c15ee2f92989d26923097ec3dddf

                  SHA256

                  9b76bc2b9f34a00f6d1151c4ea6532997bae19ece1133f62e664ca574709af6e

                  SHA512

                  e08c7a21d32596f3d4368c8f121a349a3dc6abd31284a828666e9324501570446fd06cd376ba477288ac37a75628b29ba9083316ea5d218c48aab4062bd8dd4a

                • C:\Windows\SysWOW64\hfnapi.dll

                  Filesize

                  106KB

                  MD5

                  8fa16da7903ea5e4e4fe7af483ef01b2

                  SHA1

                  46e4b83ba219c15ee2f92989d26923097ec3dddf

                  SHA256

                  9b76bc2b9f34a00f6d1151c4ea6532997bae19ece1133f62e664ca574709af6e

                  SHA512

                  e08c7a21d32596f3d4368c8f121a349a3dc6abd31284a828666e9324501570446fd06cd376ba477288ac37a75628b29ba9083316ea5d218c48aab4062bd8dd4a

                • C:\Windows\SysWOW64\hfnapi.dll

                  Filesize

                  106KB

                  MD5

                  8fa16da7903ea5e4e4fe7af483ef01b2

                  SHA1

                  46e4b83ba219c15ee2f92989d26923097ec3dddf

                  SHA256

                  9b76bc2b9f34a00f6d1151c4ea6532997bae19ece1133f62e664ca574709af6e

                  SHA512

                  e08c7a21d32596f3d4368c8f121a349a3dc6abd31284a828666e9324501570446fd06cd376ba477288ac37a75628b29ba9083316ea5d218c48aab4062bd8dd4a

                • C:\Windows\SysWOW64\hfpapi.dll

                  Filesize

                  244KB

                  MD5

                  6117b4214ca85ec4c871b4de8dbe4098

                  SHA1

                  6b5b2028cd83ece39278b920bcefdad8bdd8d540

                  SHA256

                  e092c673adaa1091b40e897acb723b130c1ea2ca7f6e55093f5ea48911ce6677

                  SHA512

                  b597db0dd4e29fff731eb01f803aab84d448f7a26848a28e56f624b86d489600c8ec22c9adad1e25fde701ac06650c8dd4984f496d34c2a64f29b0ed725e093e

                • C:\Windows\SysWOW64\hfpapi.dll

                  Filesize

                  244KB

                  MD5

                  6117b4214ca85ec4c871b4de8dbe4098

                  SHA1

                  6b5b2028cd83ece39278b920bcefdad8bdd8d540

                  SHA256

                  e092c673adaa1091b40e897acb723b130c1ea2ca7f6e55093f5ea48911ce6677

                  SHA512

                  b597db0dd4e29fff731eb01f803aab84d448f7a26848a28e56f624b86d489600c8ec22c9adad1e25fde701ac06650c8dd4984f496d34c2a64f29b0ed725e093e

                • C:\Windows\SysWOW64\hfpapi.dll

                  Filesize

                  244KB

                  MD5

                  6117b4214ca85ec4c871b4de8dbe4098

                  SHA1

                  6b5b2028cd83ece39278b920bcefdad8bdd8d540

                  SHA256

                  e092c673adaa1091b40e897acb723b130c1ea2ca7f6e55093f5ea48911ce6677

                  SHA512

                  b597db0dd4e29fff731eb01f803aab84d448f7a26848a28e56f624b86d489600c8ec22c9adad1e25fde701ac06650c8dd4984f496d34c2a64f29b0ed725e093e

                • C:\Windows\SysWOW64\installd.exe

                  Filesize

                  108KB

                  MD5

                  dc0492750ebf61845147596caf2f82a9

                  SHA1

                  81c0585a80bcec69fd60cc4e309961181eeafb81

                  SHA256

                  8020a9e53df72272c86f1172e464281aca7a7990850439b1e1d85d439891ed8a

                  SHA512

                  fdedb35690d04e58aabc406bf361534353fde360ab64d355fa40f887d1172ee6e13babc5f7c33f1a52c93491cdc99f29fbbd7c04c55c6883b48e88d068dc9a3f

                • C:\Windows\SysWOW64\installd.exe

                  Filesize

                  108KB

                  MD5

                  dc0492750ebf61845147596caf2f82a9

                  SHA1

                  81c0585a80bcec69fd60cc4e309961181eeafb81

                  SHA256

                  8020a9e53df72272c86f1172e464281aca7a7990850439b1e1d85d439891ed8a

                  SHA512

                  fdedb35690d04e58aabc406bf361534353fde360ab64d355fa40f887d1172ee6e13babc5f7c33f1a52c93491cdc99f29fbbd7c04c55c6883b48e88d068dc9a3f

                • C:\Windows\SysWOW64\nethtsrv.exe

                  Filesize

                  176KB

                  MD5

                  9ec56ac1af0673fdbe46ac1d61f69bba

                  SHA1

                  1210ef1cf641ccb6fbff1ea067d65fd22a41106c

                  SHA256

                  61a6ec346b27ad1cc8e2286bce6ded0c2ff72b68375c849c7199df78e654de97

                  SHA512

                  b8eae6b4df0a97c36a200013eae193dbbaee57740c2d68a75aefe74bbbf4e7701837ee8aaf35363c2b2b30bbb881e81f7459dca9ccde71a7fa6387233a1922a3

                • C:\Windows\SysWOW64\nethtsrv.exe

                  Filesize

                  176KB

                  MD5

                  9ec56ac1af0673fdbe46ac1d61f69bba

                  SHA1

                  1210ef1cf641ccb6fbff1ea067d65fd22a41106c

                  SHA256

                  61a6ec346b27ad1cc8e2286bce6ded0c2ff72b68375c849c7199df78e654de97

                  SHA512

                  b8eae6b4df0a97c36a200013eae193dbbaee57740c2d68a75aefe74bbbf4e7701837ee8aaf35363c2b2b30bbb881e81f7459dca9ccde71a7fa6387233a1922a3

                • C:\Windows\SysWOW64\nethtsrv.exe

                  Filesize

                  176KB

                  MD5

                  9ec56ac1af0673fdbe46ac1d61f69bba

                  SHA1

                  1210ef1cf641ccb6fbff1ea067d65fd22a41106c

                  SHA256

                  61a6ec346b27ad1cc8e2286bce6ded0c2ff72b68375c849c7199df78e654de97

                  SHA512

                  b8eae6b4df0a97c36a200013eae193dbbaee57740c2d68a75aefe74bbbf4e7701837ee8aaf35363c2b2b30bbb881e81f7459dca9ccde71a7fa6387233a1922a3

                • C:\Windows\SysWOW64\netupdsrv.exe

                  Filesize

                  159KB

                  MD5

                  2246fc3340f092155f5a861c77246267

                  SHA1

                  445b01e458d4f229de78adaa4cbab5030022098b

                  SHA256

                  be85b728650f646bd97f3bd37909ebb6b32bc5b0a287282dafc6d0b148729b96

                  SHA512

                  75f638fa4caeb33db3270775a7dd8aeb25eb32886413b9a0fac9ee98b5e1d029ee7acfbeae6770461926d122466773fc231021a63ea9cf6ac98a7c6268f29dd5

                • C:\Windows\SysWOW64\netupdsrv.exe

                  Filesize

                  159KB

                  MD5

                  2246fc3340f092155f5a861c77246267

                  SHA1

                  445b01e458d4f229de78adaa4cbab5030022098b

                  SHA256

                  be85b728650f646bd97f3bd37909ebb6b32bc5b0a287282dafc6d0b148729b96

                  SHA512

                  75f638fa4caeb33db3270775a7dd8aeb25eb32886413b9a0fac9ee98b5e1d029ee7acfbeae6770461926d122466773fc231021a63ea9cf6ac98a7c6268f29dd5

                • C:\Windows\SysWOW64\netupdsrv.exe

                  Filesize

                  159KB

                  MD5

                  2246fc3340f092155f5a861c77246267

                  SHA1

                  445b01e458d4f229de78adaa4cbab5030022098b

                  SHA256

                  be85b728650f646bd97f3bd37909ebb6b32bc5b0a287282dafc6d0b148729b96

                  SHA512

                  75f638fa4caeb33db3270775a7dd8aeb25eb32886413b9a0fac9ee98b5e1d029ee7acfbeae6770461926d122466773fc231021a63ea9cf6ac98a7c6268f29dd5

                • memory/4964-132-0x0000000000360000-0x00000000007BE000-memory.dmp

                  Filesize

                  4.4MB

                • memory/4964-168-0x0000000000360000-0x00000000007BE000-memory.dmp

                  Filesize

                  4.4MB

                • memory/4964-169-0x0000000000360000-0x00000000007BE000-memory.dmp

                  Filesize

                  4.4MB