Analysis

  • max time kernel
    148s
  • max time network
    157s
  • 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 10:17

General

  • Target

    9eae0aa848b75377249f9f108505ee7f272fd90720802c487e6f88a57bbcdddb.exe

  • Size

    603KB

  • MD5

    c898745359ae412362560a8eddc5de2b

  • SHA1

    e1c225ab4bfffcdca153f0cc4a899d85758f6a6c

  • SHA256

    9eae0aa848b75377249f9f108505ee7f272fd90720802c487e6f88a57bbcdddb

  • SHA512

    8b2a119b71b2c3e0f41a4e849e887fc2991231872bab1b2828f4e4876d0ada6e20097125699ac1415c01716cd35ed3880f485397c6d02f1216210a32d3a0be3b

  • SSDEEP

    12288:vIny5DYTfIj7X0vAEXK1BTSh6up1UDIqyceL8fieb60+:3UTf0DSA+K1BT66up1Uv1fi6H

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\9eae0aa848b75377249f9f108505ee7f272fd90720802c487e6f88a57bbcdddb.exe
    "C:\Users\Admin\AppData\Local\Temp\9eae0aa848b75377249f9f108505ee7f272fd90720802c487e6f88a57bbcdddb.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:1476
    • C:\Windows\SysWOW64\net.exe
      net stop nethttpservice
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4112
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 stop nethttpservice
        3⤵
          PID:1484
      • C:\Windows\SysWOW64\net.exe
        net stop serviceupdater
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:2676
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop serviceupdater
          3⤵
            PID:896
        • C:\Windows\SysWOW64\installd.exe
          "C:\Windows\system32\installd.exe" nethfdrv
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:5056
        • C:\Windows\SysWOW64\nethtsrv.exe
          "C:\Windows\system32\nethtsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:4876
        • C:\Windows\SysWOW64\netupdsrv.exe
          "C:\Windows\system32\netupdsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          PID:4996
        • C:\Windows\SysWOW64\net.exe
          net start nethttpservice
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:3204
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 start nethttpservice
            3⤵
              PID:3420
          • C:\Windows\SysWOW64\net.exe
            net start serviceupdater
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:3172
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 start serviceupdater
              3⤵
                PID:3460
          • 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:2168
          • C:\Windows\SysWOW64\netupdsrv.exe
            C:\Windows\SysWOW64\netupdsrv.exe
            1⤵
            • Executes dropped EXE
            PID:4764

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\nsr7F49.tmp\System.dll

            Filesize

            11KB

            MD5

            c17103ae9072a06da581dec998343fc1

            SHA1

            b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

            SHA256

            dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

            SHA512

            d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

          • C:\Users\Admin\AppData\Local\Temp\nsr7F49.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsr7F49.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsr7F49.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsr7F49.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsr7F49.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsr7F49.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsr7F49.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsr7F49.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            257ae728c1a234818fd1ff678dc636fa

            SHA1

            253d47d5e0b32feb10f5db4405b5858e2a9a2bbc

            SHA256

            4893fa9c883a0e4e03a94d29d42a7ceb9c458b38ee4e16e38f796c1051df76cf

            SHA512

            641dfb18df9cd26fb41b47000a16a86719602f7e4a46dae08f244d700c268d3b3eae4ee1c43c551e70e227ec32de5376d27ed3001ae6fdb05bfa55ae5125305a

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            257ae728c1a234818fd1ff678dc636fa

            SHA1

            253d47d5e0b32feb10f5db4405b5858e2a9a2bbc

            SHA256

            4893fa9c883a0e4e03a94d29d42a7ceb9c458b38ee4e16e38f796c1051df76cf

            SHA512

            641dfb18df9cd26fb41b47000a16a86719602f7e4a46dae08f244d700c268d3b3eae4ee1c43c551e70e227ec32de5376d27ed3001ae6fdb05bfa55ae5125305a

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            257ae728c1a234818fd1ff678dc636fa

            SHA1

            253d47d5e0b32feb10f5db4405b5858e2a9a2bbc

            SHA256

            4893fa9c883a0e4e03a94d29d42a7ceb9c458b38ee4e16e38f796c1051df76cf

            SHA512

            641dfb18df9cd26fb41b47000a16a86719602f7e4a46dae08f244d700c268d3b3eae4ee1c43c551e70e227ec32de5376d27ed3001ae6fdb05bfa55ae5125305a

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            257ae728c1a234818fd1ff678dc636fa

            SHA1

            253d47d5e0b32feb10f5db4405b5858e2a9a2bbc

            SHA256

            4893fa9c883a0e4e03a94d29d42a7ceb9c458b38ee4e16e38f796c1051df76cf

            SHA512

            641dfb18df9cd26fb41b47000a16a86719602f7e4a46dae08f244d700c268d3b3eae4ee1c43c551e70e227ec32de5376d27ed3001ae6fdb05bfa55ae5125305a

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            244KB

            MD5

            0b673d7b22efcaedb67dc15b021b8dc2

            SHA1

            6d5303d66b5673b86b5d852c63a09464afaa7aa1

            SHA256

            cf2c18987411cb49607496bbc3e4a6b67b77d6be0a53f8e6f0acc82bd3862486

            SHA512

            5200eab6c26fd1946084d815a1b8f756b43dd1f93c94359a3650925704525d3f513071b28eede296ce1faade81a3d867786c8143b3ae51e70a495c11c551096a

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            244KB

            MD5

            0b673d7b22efcaedb67dc15b021b8dc2

            SHA1

            6d5303d66b5673b86b5d852c63a09464afaa7aa1

            SHA256

            cf2c18987411cb49607496bbc3e4a6b67b77d6be0a53f8e6f0acc82bd3862486

            SHA512

            5200eab6c26fd1946084d815a1b8f756b43dd1f93c94359a3650925704525d3f513071b28eede296ce1faade81a3d867786c8143b3ae51e70a495c11c551096a

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            244KB

            MD5

            0b673d7b22efcaedb67dc15b021b8dc2

            SHA1

            6d5303d66b5673b86b5d852c63a09464afaa7aa1

            SHA256

            cf2c18987411cb49607496bbc3e4a6b67b77d6be0a53f8e6f0acc82bd3862486

            SHA512

            5200eab6c26fd1946084d815a1b8f756b43dd1f93c94359a3650925704525d3f513071b28eede296ce1faade81a3d867786c8143b3ae51e70a495c11c551096a

          • C:\Windows\SysWOW64\installd.exe

            Filesize

            108KB

            MD5

            2c19645bac0001bbef952ece37bd1c3f

            SHA1

            b6d1c1e3a714750233a169268aee2c2341937d8d

            SHA256

            ec2dd7387a74262a8f3bb4071d495bb2d5730573ccea0953fff581d3c96e015d

            SHA512

            67d34953f61fce6d1ca01268805860fb9f506efa19d4c31281fe8e19c416364ac504578b2b19b6b467269c4f0f6e983df409ad5d817cb16f00783e7654f2a860

          • C:\Windows\SysWOW64\installd.exe

            Filesize

            108KB

            MD5

            2c19645bac0001bbef952ece37bd1c3f

            SHA1

            b6d1c1e3a714750233a169268aee2c2341937d8d

            SHA256

            ec2dd7387a74262a8f3bb4071d495bb2d5730573ccea0953fff581d3c96e015d

            SHA512

            67d34953f61fce6d1ca01268805860fb9f506efa19d4c31281fe8e19c416364ac504578b2b19b6b467269c4f0f6e983df409ad5d817cb16f00783e7654f2a860

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            2a9780a9996bbd5ab142dffb39fec9dc

            SHA1

            4e103055d7ae4a8a6972b9ad3b5bcb1de0f915af

            SHA256

            3541a998027fe61fcbe8846ae9e809a69163da9249832d9b5064646734744aed

            SHA512

            20477501fc57ccc4e5cc0a42619790024f164507b5c1f8b5130164e79aa8eb8e737571934f5e3def25d1e2df09955abf8db9185307eded4319c5bb76bfb408de

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            2a9780a9996bbd5ab142dffb39fec9dc

            SHA1

            4e103055d7ae4a8a6972b9ad3b5bcb1de0f915af

            SHA256

            3541a998027fe61fcbe8846ae9e809a69163da9249832d9b5064646734744aed

            SHA512

            20477501fc57ccc4e5cc0a42619790024f164507b5c1f8b5130164e79aa8eb8e737571934f5e3def25d1e2df09955abf8db9185307eded4319c5bb76bfb408de

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            2a9780a9996bbd5ab142dffb39fec9dc

            SHA1

            4e103055d7ae4a8a6972b9ad3b5bcb1de0f915af

            SHA256

            3541a998027fe61fcbe8846ae9e809a69163da9249832d9b5064646734744aed

            SHA512

            20477501fc57ccc4e5cc0a42619790024f164507b5c1f8b5130164e79aa8eb8e737571934f5e3def25d1e2df09955abf8db9185307eded4319c5bb76bfb408de

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            ee6e54ec248463527a16f24f81db9f34

            SHA1

            3f043ee866e3b70a4bcebf676d351012619cb635

            SHA256

            796d6d391a4b43ae9017c25dfcecf8c62703dc7e21fee5f876b22642515ff2a1

            SHA512

            882dce80167a1b79212bcac30151611263cef1cc1d847b4c93e94e52de852fc907948f15ec73d7ac57789383723ae98cb65d5e4f67e76fa4612c590c52d60542

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            ee6e54ec248463527a16f24f81db9f34

            SHA1

            3f043ee866e3b70a4bcebf676d351012619cb635

            SHA256

            796d6d391a4b43ae9017c25dfcecf8c62703dc7e21fee5f876b22642515ff2a1

            SHA512

            882dce80167a1b79212bcac30151611263cef1cc1d847b4c93e94e52de852fc907948f15ec73d7ac57789383723ae98cb65d5e4f67e76fa4612c590c52d60542

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            ee6e54ec248463527a16f24f81db9f34

            SHA1

            3f043ee866e3b70a4bcebf676d351012619cb635

            SHA256

            796d6d391a4b43ae9017c25dfcecf8c62703dc7e21fee5f876b22642515ff2a1

            SHA512

            882dce80167a1b79212bcac30151611263cef1cc1d847b4c93e94e52de852fc907948f15ec73d7ac57789383723ae98cb65d5e4f67e76fa4612c590c52d60542

          • memory/896-141-0x0000000000000000-mapping.dmp

          • memory/1476-132-0x0000000000360000-0x00000000007BE000-memory.dmp

            Filesize

            4.4MB

          • memory/1476-168-0x0000000000360000-0x00000000007BE000-memory.dmp

            Filesize

            4.4MB

          • memory/1484-137-0x0000000000000000-mapping.dmp

          • memory/2676-140-0x0000000000000000-mapping.dmp

          • memory/3172-165-0x0000000000000000-mapping.dmp

          • memory/3204-158-0x0000000000000000-mapping.dmp

          • memory/3420-159-0x0000000000000000-mapping.dmp

          • memory/3460-166-0x0000000000000000-mapping.dmp

          • memory/4112-136-0x0000000000000000-mapping.dmp

          • memory/4876-147-0x0000000000000000-mapping.dmp

          • memory/4996-153-0x0000000000000000-mapping.dmp

          • memory/5056-142-0x0000000000000000-mapping.dmp