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Analysis

  • max time kernel
    41s
  • max time network
    45s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    23/11/2022, 23:51

General

  • Target

    0071d49a180803654192ba6ede80bc044761a0ebc32d720c4c10a49997bd60f3.exe

  • Size

    561KB

  • MD5

    8db9f45c64d6298f6c3957c0ce679e99

  • SHA1

    b02c60ee5ccfcc8273c60242a880e6f7f9f81e34

  • SHA256

    0071d49a180803654192ba6ede80bc044761a0ebc32d720c4c10a49997bd60f3

  • SHA512

    9ec60ec6924352cdd02d6dac002517be0b1e1cb941e5ec6986f580296e21c5a88883efedf6831e2d946b35518741f1b5bb531308e84bc739fc8794a9c1b16eea

  • SSDEEP

    12288:APRYzEbfYZp8RilVteEQKt4w7+ywMqNJvtWiC6XG:5zwfEuuVteEQKGw7MMqNJvA

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\0071d49a180803654192ba6ede80bc044761a0ebc32d720c4c10a49997bd60f3.exe
    "C:\Users\Admin\AppData\Local\Temp\0071d49a180803654192ba6ede80bc044761a0ebc32d720c4c10a49997bd60f3.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:800
    • C:\Windows\SysWOW64\net.exe
      net stop nethttpservice
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:884
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 stop nethttpservice
        3⤵
          PID:936
      • C:\Windows\SysWOW64\net.exe
        net stop serviceupdater
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1312
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop serviceupdater
          3⤵
            PID:1488
        • C:\Windows\SysWOW64\installd.exe
          "C:\Windows\system32\installd.exe" nethfdrv
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:1816
        • C:\Windows\SysWOW64\nethtsrv.exe
          "C:\Windows\system32\nethtsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:784
        • C:\Windows\SysWOW64\netupdsrv.exe
          "C:\Windows\system32\netupdsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          PID:672
        • C:\Windows\SysWOW64\net.exe
          net start nethttpservice
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:616
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 start nethttpservice
            3⤵
              PID:812
          • C:\Windows\SysWOW64\net.exe
            net start serviceupdater
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:1112
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 start serviceupdater
              3⤵
                PID:1520
          • C:\Windows\SysWOW64\nethtsrv.exe
            C:\Windows\SysWOW64\nethtsrv.exe
            1⤵
            • Executes dropped EXE
            • Loads dropped DLL
            • Suspicious use of AdjustPrivilegeToken
            PID:928
          • C:\Windows\SysWOW64\netupdsrv.exe
            C:\Windows\SysWOW64\netupdsrv.exe
            1⤵
            • Executes dropped EXE
            PID:1036

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            d0d5f341897d7e950ff3308f41e2040d

            SHA1

            e552b99f30f49e0820e5c8d430c6f2bcfe7b6cff

            SHA256

            60201576a7ec11183e53ab2a0217cd8bb39f700760f6fb13ae5276fd04f32ee6

            SHA512

            1287093019b39ddfc2d18ec96584ef757ee855aeabdcaab74b5876080375813f4cf7a8f3cd2d930a29be65e0229934d2f80c350ef8882d3d8c335371b2325e8c

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            241KB

            MD5

            a40b43a0f564ee2aa7ebab31e63a8fd5

            SHA1

            b8f6e50626ca377cccf4c4ca8365bc92f9fc5c3b

            SHA256

            468e9fc499638d78a555f0d8a392229347fd75a9be5c61a3aed0ef240b32a5a0

            SHA512

            cfa71e69ba92277e0cd574d0fea8ae5bad0612ea1efd197d642c705c4c955c994ab39c961e353e61e8f681df40f5c30b8d2176d092442456bc28a294582adc04

          • C:\Windows\SysWOW64\installd.exe

            Filesize

            108KB

            MD5

            98dec3b76ff67386a5a3b897ec77c808

            SHA1

            969b766566390d2949831a68d5ee463b05e7de6e

            SHA256

            535e8ccf236f86c3cc304a716239f1af864b6e72ac7571c1da6d600ebe6c9e28

            SHA512

            4d8dc72f1e83865ad106e0a5c45a1d8c643246c744e3119ff3287d7dd142d5baf4f1cea88e6b43d8adf08d0ce061f6aedb3aeb57abfd50667e774b8111a1772e

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            b1541e53f8376e2982e9168a0ac90c2a

            SHA1

            782b1e6e9d307464337f1de1e765ccadb7bdf1d3

            SHA256

            20d224d52509ee1bc2ba7d9898686df5819826404f060e6ea5526e9f5011ad67

            SHA512

            30b44eaee9d0ca04e2f8946b9ca46895d7b2654dc33f015f6174f118dd66aaf6d276bf611c524d37120397f9088c3fa4413bfed2bc45ade5d9292ee79c1f4938

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            b1541e53f8376e2982e9168a0ac90c2a

            SHA1

            782b1e6e9d307464337f1de1e765ccadb7bdf1d3

            SHA256

            20d224d52509ee1bc2ba7d9898686df5819826404f060e6ea5526e9f5011ad67

            SHA512

            30b44eaee9d0ca04e2f8946b9ca46895d7b2654dc33f015f6174f118dd66aaf6d276bf611c524d37120397f9088c3fa4413bfed2bc45ade5d9292ee79c1f4938

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            7bbc2ec7a86f3790a58ea816d8e6f945

            SHA1

            e1cb8b52856c74a7a972ce4b2d87116becdf8077

            SHA256

            e06dbc874cf7c099978789e3050d7ebce8fedd429169f49e3191f229122fc313

            SHA512

            57777394294164a4abbebf19c7144730980e098ebe83168830118ad11051496faea82b49c9148dcc93bff8512e5bf7f9d776afa5fbf7b3e3852e8adeb788ba45

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            7bbc2ec7a86f3790a58ea816d8e6f945

            SHA1

            e1cb8b52856c74a7a972ce4b2d87116becdf8077

            SHA256

            e06dbc874cf7c099978789e3050d7ebce8fedd429169f49e3191f229122fc313

            SHA512

            57777394294164a4abbebf19c7144730980e098ebe83168830118ad11051496faea82b49c9148dcc93bff8512e5bf7f9d776afa5fbf7b3e3852e8adeb788ba45

          • \Users\Admin\AppData\Local\Temp\nsoEEA6.tmp\System.dll

            Filesize

            11KB

            MD5

            c17103ae9072a06da581dec998343fc1

            SHA1

            b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

            SHA256

            dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

            SHA512

            d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

          • \Users\Admin\AppData\Local\Temp\nsoEEA6.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • \Users\Admin\AppData\Local\Temp\nsoEEA6.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • \Users\Admin\AppData\Local\Temp\nsoEEA6.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • \Users\Admin\AppData\Local\Temp\nsoEEA6.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • \Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            d0d5f341897d7e950ff3308f41e2040d

            SHA1

            e552b99f30f49e0820e5c8d430c6f2bcfe7b6cff

            SHA256

            60201576a7ec11183e53ab2a0217cd8bb39f700760f6fb13ae5276fd04f32ee6

            SHA512

            1287093019b39ddfc2d18ec96584ef757ee855aeabdcaab74b5876080375813f4cf7a8f3cd2d930a29be65e0229934d2f80c350ef8882d3d8c335371b2325e8c

          • \Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            d0d5f341897d7e950ff3308f41e2040d

            SHA1

            e552b99f30f49e0820e5c8d430c6f2bcfe7b6cff

            SHA256

            60201576a7ec11183e53ab2a0217cd8bb39f700760f6fb13ae5276fd04f32ee6

            SHA512

            1287093019b39ddfc2d18ec96584ef757ee855aeabdcaab74b5876080375813f4cf7a8f3cd2d930a29be65e0229934d2f80c350ef8882d3d8c335371b2325e8c

          • \Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            d0d5f341897d7e950ff3308f41e2040d

            SHA1

            e552b99f30f49e0820e5c8d430c6f2bcfe7b6cff

            SHA256

            60201576a7ec11183e53ab2a0217cd8bb39f700760f6fb13ae5276fd04f32ee6

            SHA512

            1287093019b39ddfc2d18ec96584ef757ee855aeabdcaab74b5876080375813f4cf7a8f3cd2d930a29be65e0229934d2f80c350ef8882d3d8c335371b2325e8c

          • \Windows\SysWOW64\hfpapi.dll

            Filesize

            241KB

            MD5

            a40b43a0f564ee2aa7ebab31e63a8fd5

            SHA1

            b8f6e50626ca377cccf4c4ca8365bc92f9fc5c3b

            SHA256

            468e9fc499638d78a555f0d8a392229347fd75a9be5c61a3aed0ef240b32a5a0

            SHA512

            cfa71e69ba92277e0cd574d0fea8ae5bad0612ea1efd197d642c705c4c955c994ab39c961e353e61e8f681df40f5c30b8d2176d092442456bc28a294582adc04

          • \Windows\SysWOW64\hfpapi.dll

            Filesize

            241KB

            MD5

            a40b43a0f564ee2aa7ebab31e63a8fd5

            SHA1

            b8f6e50626ca377cccf4c4ca8365bc92f9fc5c3b

            SHA256

            468e9fc499638d78a555f0d8a392229347fd75a9be5c61a3aed0ef240b32a5a0

            SHA512

            cfa71e69ba92277e0cd574d0fea8ae5bad0612ea1efd197d642c705c4c955c994ab39c961e353e61e8f681df40f5c30b8d2176d092442456bc28a294582adc04

          • \Windows\SysWOW64\installd.exe

            Filesize

            108KB

            MD5

            98dec3b76ff67386a5a3b897ec77c808

            SHA1

            969b766566390d2949831a68d5ee463b05e7de6e

            SHA256

            535e8ccf236f86c3cc304a716239f1af864b6e72ac7571c1da6d600ebe6c9e28

            SHA512

            4d8dc72f1e83865ad106e0a5c45a1d8c643246c744e3119ff3287d7dd142d5baf4f1cea88e6b43d8adf08d0ce061f6aedb3aeb57abfd50667e774b8111a1772e

          • \Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            b1541e53f8376e2982e9168a0ac90c2a

            SHA1

            782b1e6e9d307464337f1de1e765ccadb7bdf1d3

            SHA256

            20d224d52509ee1bc2ba7d9898686df5819826404f060e6ea5526e9f5011ad67

            SHA512

            30b44eaee9d0ca04e2f8946b9ca46895d7b2654dc33f015f6174f118dd66aaf6d276bf611c524d37120397f9088c3fa4413bfed2bc45ade5d9292ee79c1f4938

          • \Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            7bbc2ec7a86f3790a58ea816d8e6f945

            SHA1

            e1cb8b52856c74a7a972ce4b2d87116becdf8077

            SHA256

            e06dbc874cf7c099978789e3050d7ebce8fedd429169f49e3191f229122fc313

            SHA512

            57777394294164a4abbebf19c7144730980e098ebe83168830118ad11051496faea82b49c9148dcc93bff8512e5bf7f9d776afa5fbf7b3e3852e8adeb788ba45

          • memory/800-54-0x0000000075521000-0x0000000075523000-memory.dmp

            Filesize

            8KB

          • memory/800-69-0x0000000000360000-0x00000000007BE000-memory.dmp

            Filesize

            4.4MB

          • memory/800-59-0x0000000000360000-0x00000000007BE000-memory.dmp

            Filesize

            4.4MB

          • memory/800-91-0x0000000000360000-0x00000000007BE000-memory.dmp

            Filesize

            4.4MB