Analysis

  • max time kernel
    67s
  • max time network
    31s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2022 10:29

General

  • Target

    30f5ceea480ea7a3dc0b4a467b3469dcd352db075c57e504ea61e102ceb1492b.exe

  • Size

    602KB

  • MD5

    262df8a660c7deb80abd0486e708930e

  • SHA1

    f241acd73b8c7fa732a8d1137021c157dd4a90cc

  • SHA256

    30f5ceea480ea7a3dc0b4a467b3469dcd352db075c57e504ea61e102ceb1492b

  • SHA512

    1eafa5297fdfefb31cd5648d8aee9b0f15964bc3bb0f25a26969c6958cb8a67d6a843dcaee9d3fbc751afc0e45acd523bb467f75d2e799fdf0760771968bc153

  • SSDEEP

    12288:CIny5DYTE4+7EDPXHA3L6Z+wmDO9vHYmxQ7Izx24M1fv24cXaxCK:kUTE4saXMK+yvNzx2p1H24E6

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\30f5ceea480ea7a3dc0b4a467b3469dcd352db075c57e504ea61e102ceb1492b.exe
    "C:\Users\Admin\AppData\Local\Temp\30f5ceea480ea7a3dc0b4a467b3469dcd352db075c57e504ea61e102ceb1492b.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:936
    • C:\Windows\SysWOW64\net.exe
      net stop nethttpservice
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2004
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 stop nethttpservice
        3⤵
          PID:852
      • C:\Windows\SysWOW64\net.exe
        net stop serviceupdater
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1188
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop serviceupdater
          3⤵
            PID:268
        • C:\Windows\SysWOW64\installd.exe
          "C:\Windows\system32\installd.exe" nethfdrv
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:560
        • C:\Windows\SysWOW64\nethtsrv.exe
          "C:\Windows\system32\nethtsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:1300
        • C:\Windows\SysWOW64\netupdsrv.exe
          "C:\Windows\system32\netupdsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          PID:816
        • C:\Windows\SysWOW64\net.exe
          net start nethttpservice
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:548
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 start nethttpservice
            3⤵
              PID:1980
          • C:\Windows\SysWOW64\net.exe
            net start serviceupdater
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:1624
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 start serviceupdater
              3⤵
                PID:2040
          • C:\Windows\SysWOW64\nethtsrv.exe
            C:\Windows\SysWOW64\nethtsrv.exe
            1⤵
            • Executes dropped EXE
            • Loads dropped DLL
            • Suspicious use of AdjustPrivilegeToken
            PID:1052
          • C:\Windows\SysWOW64\netupdsrv.exe
            C:\Windows\SysWOW64\netupdsrv.exe
            1⤵
            • Executes dropped EXE
            PID:1764

          Network

          MITRE ATT&CK Matrix ATT&CK v6

          Discovery

          Query Registry

          1
          T1012

          System Information Discovery

          1
          T1082

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Windows\SysWOW64\hfnapi.dll
            Filesize

            106KB

            MD5

            4a8e215a8b33dc24fa7c05c854ab6fa9

            SHA1

            9ce1d1cfd643c43f7316cf715ef48d3d0b225fea

            SHA256

            07f56713a959f6c7e9ac7254a03bac1f3aa3d2ab30c2f06d3edf62ba9009f752

            SHA512

            9bda98d922aebc788d26b57281b6d2d12b04db9ed96514cbc71e69a6bff4367518d0982aa2a2315b5e3e1d5fe7bd31da9eb888d0e2281acb3b0fa5b2601c3a9b

          • C:\Windows\SysWOW64\hfpapi.dll
            Filesize

            241KB

            MD5

            a11e84e1af1a9ee9b5098bfc9ea94955

            SHA1

            5563b6570a947603f5f97f0d1aa5da931d7e7b50

            SHA256

            840f8b96915a4dfbcbcb1a0e5ec2915c2a74e49319e9a950576442330d9afd68

            SHA512

            729f5eec1129fff5d09293209ec590cc5d72d37e481fd003835d087d3474c6d8b8b7fafba4ef94c94dac80ab542e79d58fe447fe97849faddb87ac67d77ea2c8

          • C:\Windows\SysWOW64\installd.exe
            Filesize

            108KB

            MD5

            682f8ea0195e9c741f0a3281ddf2753e

            SHA1

            f7d4332ee415acde7793df8265cd54c24b777a74

            SHA256

            8363f12f272a6d01bca616c75616a4e8a90a651de70292f91520d9932cceef73

            SHA512

            466b13b05999a2260d756debf361036ce6fa461270223b14b575f1f2532a14f05f4d4a02dce5b652ed235bd951af5ef13ecf42a2faf36e6d0f54f1678701bf90

          • C:\Windows\SysWOW64\nethtsrv.exe
            Filesize

            176KB

            MD5

            757a21727dcc24257296362768a50c07

            SHA1

            114eaaea277a9f514fa329c71adbc56cb8ad386c

            SHA256

            db569f859052688afc52e365442cb9e61a3575b064671805cf036ecbd9c3c2e3

            SHA512

            aa26c98f2993e7df8610e06b046884ba08f10e84aef766ccfc698af0156b8fc05abfade06494a34ac7256a8faa764b013191cc036e2afa2ef55cb2902b35ec26

          • C:\Windows\SysWOW64\nethtsrv.exe
            Filesize

            176KB

            MD5

            757a21727dcc24257296362768a50c07

            SHA1

            114eaaea277a9f514fa329c71adbc56cb8ad386c

            SHA256

            db569f859052688afc52e365442cb9e61a3575b064671805cf036ecbd9c3c2e3

            SHA512

            aa26c98f2993e7df8610e06b046884ba08f10e84aef766ccfc698af0156b8fc05abfade06494a34ac7256a8faa764b013191cc036e2afa2ef55cb2902b35ec26

          • C:\Windows\SysWOW64\netupdsrv.exe
            Filesize

            158KB

            MD5

            b7976dbe5a52db835918b5e5b3da7685

            SHA1

            12a30954f125631ab335a837a3efa6077b78dea5

            SHA256

            ab37c1ccc49d7ec19e725b9667ba0d7d8602946efb8d07cb6d8a57fd0f6244f6

            SHA512

            09bd919abd8768c3f047e5a87852416957cff5ccb458cb1c52c99f47dcc476e940511236b0639a5c322cedc12f1555770bb0f592c69ea3ccbc4bd5fbd1d56fb8

          • C:\Windows\SysWOW64\netupdsrv.exe
            Filesize

            158KB

            MD5

            b7976dbe5a52db835918b5e5b3da7685

            SHA1

            12a30954f125631ab335a837a3efa6077b78dea5

            SHA256

            ab37c1ccc49d7ec19e725b9667ba0d7d8602946efb8d07cb6d8a57fd0f6244f6

            SHA512

            09bd919abd8768c3f047e5a87852416957cff5ccb458cb1c52c99f47dcc476e940511236b0639a5c322cedc12f1555770bb0f592c69ea3ccbc4bd5fbd1d56fb8

          • \Users\Admin\AppData\Local\Temp\nsoBBB4.tmp\System.dll
            Filesize

            11KB

            MD5

            c17103ae9072a06da581dec998343fc1

            SHA1

            b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

            SHA256

            dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

            SHA512

            d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

          • \Users\Admin\AppData\Local\Temp\nsoBBB4.tmp\nsExec.dll
            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • \Users\Admin\AppData\Local\Temp\nsoBBB4.tmp\nsExec.dll
            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • \Users\Admin\AppData\Local\Temp\nsoBBB4.tmp\nsExec.dll
            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • \Users\Admin\AppData\Local\Temp\nsoBBB4.tmp\nsExec.dll
            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • \Windows\SysWOW64\hfnapi.dll
            Filesize

            106KB

            MD5

            4a8e215a8b33dc24fa7c05c854ab6fa9

            SHA1

            9ce1d1cfd643c43f7316cf715ef48d3d0b225fea

            SHA256

            07f56713a959f6c7e9ac7254a03bac1f3aa3d2ab30c2f06d3edf62ba9009f752

            SHA512

            9bda98d922aebc788d26b57281b6d2d12b04db9ed96514cbc71e69a6bff4367518d0982aa2a2315b5e3e1d5fe7bd31da9eb888d0e2281acb3b0fa5b2601c3a9b

          • \Windows\SysWOW64\hfnapi.dll
            Filesize

            106KB

            MD5

            4a8e215a8b33dc24fa7c05c854ab6fa9

            SHA1

            9ce1d1cfd643c43f7316cf715ef48d3d0b225fea

            SHA256

            07f56713a959f6c7e9ac7254a03bac1f3aa3d2ab30c2f06d3edf62ba9009f752

            SHA512

            9bda98d922aebc788d26b57281b6d2d12b04db9ed96514cbc71e69a6bff4367518d0982aa2a2315b5e3e1d5fe7bd31da9eb888d0e2281acb3b0fa5b2601c3a9b

          • \Windows\SysWOW64\hfnapi.dll
            Filesize

            106KB

            MD5

            4a8e215a8b33dc24fa7c05c854ab6fa9

            SHA1

            9ce1d1cfd643c43f7316cf715ef48d3d0b225fea

            SHA256

            07f56713a959f6c7e9ac7254a03bac1f3aa3d2ab30c2f06d3edf62ba9009f752

            SHA512

            9bda98d922aebc788d26b57281b6d2d12b04db9ed96514cbc71e69a6bff4367518d0982aa2a2315b5e3e1d5fe7bd31da9eb888d0e2281acb3b0fa5b2601c3a9b

          • \Windows\SysWOW64\hfpapi.dll
            Filesize

            241KB

            MD5

            a11e84e1af1a9ee9b5098bfc9ea94955

            SHA1

            5563b6570a947603f5f97f0d1aa5da931d7e7b50

            SHA256

            840f8b96915a4dfbcbcb1a0e5ec2915c2a74e49319e9a950576442330d9afd68

            SHA512

            729f5eec1129fff5d09293209ec590cc5d72d37e481fd003835d087d3474c6d8b8b7fafba4ef94c94dac80ab542e79d58fe447fe97849faddb87ac67d77ea2c8

          • \Windows\SysWOW64\hfpapi.dll
            Filesize

            241KB

            MD5

            a11e84e1af1a9ee9b5098bfc9ea94955

            SHA1

            5563b6570a947603f5f97f0d1aa5da931d7e7b50

            SHA256

            840f8b96915a4dfbcbcb1a0e5ec2915c2a74e49319e9a950576442330d9afd68

            SHA512

            729f5eec1129fff5d09293209ec590cc5d72d37e481fd003835d087d3474c6d8b8b7fafba4ef94c94dac80ab542e79d58fe447fe97849faddb87ac67d77ea2c8

          • \Windows\SysWOW64\installd.exe
            Filesize

            108KB

            MD5

            682f8ea0195e9c741f0a3281ddf2753e

            SHA1

            f7d4332ee415acde7793df8265cd54c24b777a74

            SHA256

            8363f12f272a6d01bca616c75616a4e8a90a651de70292f91520d9932cceef73

            SHA512

            466b13b05999a2260d756debf361036ce6fa461270223b14b575f1f2532a14f05f4d4a02dce5b652ed235bd951af5ef13ecf42a2faf36e6d0f54f1678701bf90

          • \Windows\SysWOW64\nethtsrv.exe
            Filesize

            176KB

            MD5

            757a21727dcc24257296362768a50c07

            SHA1

            114eaaea277a9f514fa329c71adbc56cb8ad386c

            SHA256

            db569f859052688afc52e365442cb9e61a3575b064671805cf036ecbd9c3c2e3

            SHA512

            aa26c98f2993e7df8610e06b046884ba08f10e84aef766ccfc698af0156b8fc05abfade06494a34ac7256a8faa764b013191cc036e2afa2ef55cb2902b35ec26

          • \Windows\SysWOW64\netupdsrv.exe
            Filesize

            158KB

            MD5

            b7976dbe5a52db835918b5e5b3da7685

            SHA1

            12a30954f125631ab335a837a3efa6077b78dea5

            SHA256

            ab37c1ccc49d7ec19e725b9667ba0d7d8602946efb8d07cb6d8a57fd0f6244f6

            SHA512

            09bd919abd8768c3f047e5a87852416957cff5ccb458cb1c52c99f47dcc476e940511236b0639a5c322cedc12f1555770bb0f592c69ea3ccbc4bd5fbd1d56fb8

          • memory/268-61-0x0000000000000000-mapping.dmp
          • memory/548-81-0x0000000000000000-mapping.dmp
          • memory/560-64-0x0000000000000000-mapping.dmp
          • memory/816-77-0x0000000000000000-mapping.dmp
          • memory/852-58-0x0000000000000000-mapping.dmp
          • memory/936-62-0x0000000000360000-0x00000000007BE000-memory.dmp
            Filesize

            4.4MB

          • memory/936-69-0x0000000000360000-0x00000000007BE000-memory.dmp
            Filesize

            4.4MB

          • memory/936-54-0x0000000076941000-0x0000000076943000-memory.dmp
            Filesize

            8KB

          • memory/936-91-0x0000000000360000-0x00000000007BE000-memory.dmp
            Filesize

            4.4MB

          • memory/1188-60-0x0000000000000000-mapping.dmp
          • memory/1300-71-0x0000000000000000-mapping.dmp
          • memory/1624-87-0x0000000000000000-mapping.dmp
          • memory/1980-82-0x0000000000000000-mapping.dmp
          • memory/2004-57-0x0000000000000000-mapping.dmp
          • memory/2040-88-0x0000000000000000-mapping.dmp