Analysis

  • max time kernel
    179s
  • max time network
    191s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-11-2022 10:58

General

  • Target

    2e2af7c3974df0e4d3aff02a013ff0c279e56929aa27caa7face86dd8bae1c17.exe

  • Size

    445KB

  • MD5

    410585632889be3d599f58c1b12cfab4

  • SHA1

    e276a9821d140d6e3795f72166251edb81ba9ae5

  • SHA256

    2e2af7c3974df0e4d3aff02a013ff0c279e56929aa27caa7face86dd8bae1c17

  • SHA512

    99910b542a2e3dbd4c8eba7fe876f52f9c5342d807e5d6605eea6ad406ebf1d7452a446e1dc5a67fba849e6cab3b273fa39fa25e9bb6bcd51bc0ca5985586201

  • SSDEEP

    12288:4995hcbY/w+2cBK3xIq+cIc5TGh3WPnkuWkR:499L8YhB5d81k3A

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\2e2af7c3974df0e4d3aff02a013ff0c279e56929aa27caa7face86dd8bae1c17.exe
    "C:\Users\Admin\AppData\Local\Temp\2e2af7c3974df0e4d3aff02a013ff0c279e56929aa27caa7face86dd8bae1c17.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:1000
    • C:\Windows\SysWOW64\net.exe
      net stop nethttpservice
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4688
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 stop nethttpservice
        3⤵
          PID:2136
      • C:\Windows\SysWOW64\net.exe
        net stop serviceupdater
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:4556
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop serviceupdater
          3⤵
            PID:4932
        • C:\Windows\SysWOW64\installd.exe
          "C:\Windows\system32\installd.exe" nethfdrv
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:3048
        • C:\Windows\SysWOW64\nethtsrv.exe
          "C:\Windows\system32\nethtsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:444
        • C:\Windows\SysWOW64\netupdsrv.exe
          "C:\Windows\system32\netupdsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          PID:4120
        • C:\Windows\SysWOW64\net.exe
          net start nethttpservice
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:3604
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 start nethttpservice
            3⤵
              PID:2456
          • C:\Windows\SysWOW64\net.exe
            net start serviceupdater
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:916
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 start serviceupdater
              3⤵
                PID:1468
          • 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:3328
          • C:\Windows\SysWOW64\netupdsrv.exe
            C:\Windows\SysWOW64\netupdsrv.exe
            1⤵
            • Executes dropped EXE
            PID:4260

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\nso2B86.tmp\System.dll

            Filesize

            11KB

            MD5

            c17103ae9072a06da581dec998343fc1

            SHA1

            b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

            SHA256

            dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

            SHA512

            d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

          • C:\Users\Admin\AppData\Local\Temp\nso2B86.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nso2B86.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nso2B86.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nso2B86.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nso2B86.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nso2B86.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nso2B86.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nso2B86.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            62e0b44d85e4717d368567cc35de11ab

            SHA1

            9b2d8695a0cefe551eba1c9a0b3a410a4622837a

            SHA256

            5628fc6d17a08b6952e04df5355eb9ddac56d96286562d3a440ddcf78cf03202

            SHA512

            0f2eac4ce4c9a026ba9a5ca7c2f3cc4f460c6af3333e4e3b1391cb7c805ffdc8ce15755cff09e6211c88bceb4ff09948a3e65b46cb5d7716a6bcf8263c942edc

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            62e0b44d85e4717d368567cc35de11ab

            SHA1

            9b2d8695a0cefe551eba1c9a0b3a410a4622837a

            SHA256

            5628fc6d17a08b6952e04df5355eb9ddac56d96286562d3a440ddcf78cf03202

            SHA512

            0f2eac4ce4c9a026ba9a5ca7c2f3cc4f460c6af3333e4e3b1391cb7c805ffdc8ce15755cff09e6211c88bceb4ff09948a3e65b46cb5d7716a6bcf8263c942edc

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            62e0b44d85e4717d368567cc35de11ab

            SHA1

            9b2d8695a0cefe551eba1c9a0b3a410a4622837a

            SHA256

            5628fc6d17a08b6952e04df5355eb9ddac56d96286562d3a440ddcf78cf03202

            SHA512

            0f2eac4ce4c9a026ba9a5ca7c2f3cc4f460c6af3333e4e3b1391cb7c805ffdc8ce15755cff09e6211c88bceb4ff09948a3e65b46cb5d7716a6bcf8263c942edc

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            62e0b44d85e4717d368567cc35de11ab

            SHA1

            9b2d8695a0cefe551eba1c9a0b3a410a4622837a

            SHA256

            5628fc6d17a08b6952e04df5355eb9ddac56d96286562d3a440ddcf78cf03202

            SHA512

            0f2eac4ce4c9a026ba9a5ca7c2f3cc4f460c6af3333e4e3b1391cb7c805ffdc8ce15755cff09e6211c88bceb4ff09948a3e65b46cb5d7716a6bcf8263c942edc

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            241KB

            MD5

            a819bf7f62a2a6e6d6949ba4c753abe7

            SHA1

            0c04e1cad5d3708ba76042b1af78526f636de406

            SHA256

            15857c98144e2b0cdc737a1156f7b9c6215694351eda4caffe391720fccbe9cf

            SHA512

            1e1504aefce86127ae40963822791e4e1663cb638db4fc29a476e30ec45cd157259156a3dcc958ceca1c01df429311920cb816588c7cbfac61baf3bbbc288160

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            241KB

            MD5

            a819bf7f62a2a6e6d6949ba4c753abe7

            SHA1

            0c04e1cad5d3708ba76042b1af78526f636de406

            SHA256

            15857c98144e2b0cdc737a1156f7b9c6215694351eda4caffe391720fccbe9cf

            SHA512

            1e1504aefce86127ae40963822791e4e1663cb638db4fc29a476e30ec45cd157259156a3dcc958ceca1c01df429311920cb816588c7cbfac61baf3bbbc288160

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            241KB

            MD5

            a819bf7f62a2a6e6d6949ba4c753abe7

            SHA1

            0c04e1cad5d3708ba76042b1af78526f636de406

            SHA256

            15857c98144e2b0cdc737a1156f7b9c6215694351eda4caffe391720fccbe9cf

            SHA512

            1e1504aefce86127ae40963822791e4e1663cb638db4fc29a476e30ec45cd157259156a3dcc958ceca1c01df429311920cb816588c7cbfac61baf3bbbc288160

          • C:\Windows\SysWOW64\installd.exe

            Filesize

            108KB

            MD5

            9d41c79f800e8efdb84d0c2209f7befb

            SHA1

            2b61442db98d8b50c0bc16a322b575ebef7db8b5

            SHA256

            73c519b06214ff097194f6ce7d2e06a664ed1d722c715ef366597bbdfa8efc6a

            SHA512

            f7338439bd5e47e981defa992be5d2346ee8e3aefd2399b179574189e35720af6479f02d87da7501217b67ac5822730616d11fe334135281e46f5b73ac1df5cb

          • C:\Windows\SysWOW64\installd.exe

            Filesize

            108KB

            MD5

            9d41c79f800e8efdb84d0c2209f7befb

            SHA1

            2b61442db98d8b50c0bc16a322b575ebef7db8b5

            SHA256

            73c519b06214ff097194f6ce7d2e06a664ed1d722c715ef366597bbdfa8efc6a

            SHA512

            f7338439bd5e47e981defa992be5d2346ee8e3aefd2399b179574189e35720af6479f02d87da7501217b67ac5822730616d11fe334135281e46f5b73ac1df5cb

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            644b51000af73a4cf36bf60a28e90c2a

            SHA1

            a3be01748334a0c5c7601a7da4733c6eeea2181e

            SHA256

            2f4c9f73868685406f41e05e0040791edbfe53b35522056712e8fa155924aca5

            SHA512

            54f96d05095e6523fee9a51d7719ec52d33f83f2a82373479ed187827242c0433c3422bd44ec60fd30c1b210c3d761e106f6d601987262041c3290f181cfcc7a

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            644b51000af73a4cf36bf60a28e90c2a

            SHA1

            a3be01748334a0c5c7601a7da4733c6eeea2181e

            SHA256

            2f4c9f73868685406f41e05e0040791edbfe53b35522056712e8fa155924aca5

            SHA512

            54f96d05095e6523fee9a51d7719ec52d33f83f2a82373479ed187827242c0433c3422bd44ec60fd30c1b210c3d761e106f6d601987262041c3290f181cfcc7a

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            644b51000af73a4cf36bf60a28e90c2a

            SHA1

            a3be01748334a0c5c7601a7da4733c6eeea2181e

            SHA256

            2f4c9f73868685406f41e05e0040791edbfe53b35522056712e8fa155924aca5

            SHA512

            54f96d05095e6523fee9a51d7719ec52d33f83f2a82373479ed187827242c0433c3422bd44ec60fd30c1b210c3d761e106f6d601987262041c3290f181cfcc7a

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            f272e914236dd74d07d3400e1c85a891

            SHA1

            81a5b91270c0668b8690cad219ee2424552573bc

            SHA256

            b57cd9e73947c6d5427d657933691d11a8f7cf2088f427d5f8b167eb37e922d0

            SHA512

            e9a1f656f274523620774cfff6e5968535c84c54e8cb27bc0c2afd0f03507fed369cac4b04e3076db48ba44af9650aabaa25f78eb08121841cb0e7216faa4a9a

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            f272e914236dd74d07d3400e1c85a891

            SHA1

            81a5b91270c0668b8690cad219ee2424552573bc

            SHA256

            b57cd9e73947c6d5427d657933691d11a8f7cf2088f427d5f8b167eb37e922d0

            SHA512

            e9a1f656f274523620774cfff6e5968535c84c54e8cb27bc0c2afd0f03507fed369cac4b04e3076db48ba44af9650aabaa25f78eb08121841cb0e7216faa4a9a

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            f272e914236dd74d07d3400e1c85a891

            SHA1

            81a5b91270c0668b8690cad219ee2424552573bc

            SHA256

            b57cd9e73947c6d5427d657933691d11a8f7cf2088f427d5f8b167eb37e922d0

            SHA512

            e9a1f656f274523620774cfff6e5968535c84c54e8cb27bc0c2afd0f03507fed369cac4b04e3076db48ba44af9650aabaa25f78eb08121841cb0e7216faa4a9a

          • memory/444-146-0x0000000000000000-mapping.dmp

          • memory/916-164-0x0000000000000000-mapping.dmp

          • memory/1468-165-0x0000000000000000-mapping.dmp

          • memory/2136-136-0x0000000000000000-mapping.dmp

          • memory/2456-158-0x0000000000000000-mapping.dmp

          • memory/3048-141-0x0000000000000000-mapping.dmp

          • memory/3604-157-0x0000000000000000-mapping.dmp

          • memory/4120-152-0x0000000000000000-mapping.dmp

          • memory/4556-139-0x0000000000000000-mapping.dmp

          • memory/4688-135-0x0000000000000000-mapping.dmp

          • memory/4932-140-0x0000000000000000-mapping.dmp