Analysis

  • max time kernel
    45s
  • max time network
    49s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2022 11:00

General

  • Target

    0ade35763186fe04cf4f2903a79446bb49e72d58cd72096df8bab7271fc75b7c.exe

  • Size

    445KB

  • MD5

    54754f05f5f57d1285301acc65f0dd65

  • SHA1

    dd46155267a3c3227e8e959b3af768d8ae6a4557

  • SHA256

    0ade35763186fe04cf4f2903a79446bb49e72d58cd72096df8bab7271fc75b7c

  • SHA512

    1d21d0b96576dbbff18b2aaedc469af7e1e68033ceab19c1dd10ec9db9ffd3a1087d055946f94094b6f817431d5e923932ecee5fecab43ca8478ea0d8698bd23

  • SSDEEP

    12288:8BECaxtgWqltiLYqWvy5RmjcqEIJ5xe6+CgVVYm:8CjgWqzhBbII1oC0

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\0ade35763186fe04cf4f2903a79446bb49e72d58cd72096df8bab7271fc75b7c.exe
    "C:\Users\Admin\AppData\Local\Temp\0ade35763186fe04cf4f2903a79446bb49e72d58cd72096df8bab7271fc75b7c.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:1996
    • C:\Windows\SysWOW64\net.exe
      net stop nethttpservice
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:904
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 stop nethttpservice
        3⤵
          PID:1600
      • C:\Windows\SysWOW64\net.exe
        net stop serviceupdater
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:616
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop serviceupdater
          3⤵
            PID:1328
        • C:\Windows\SysWOW64\installd.exe
          "C:\Windows\system32\installd.exe" nethfdrv
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:820
        • C:\Windows\SysWOW64\nethtsrv.exe
          "C:\Windows\system32\nethtsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:740
        • C:\Windows\SysWOW64\netupdsrv.exe
          "C:\Windows\system32\netupdsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          PID:1652
        • C:\Windows\SysWOW64\net.exe
          net start nethttpservice
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:1544
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 start nethttpservice
            3⤵
              PID:576
          • C:\Windows\SysWOW64\net.exe
            net start serviceupdater
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:364
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 start serviceupdater
              3⤵
                PID:672
          • C:\Windows\SysWOW64\nethtsrv.exe
            C:\Windows\SysWOW64\nethtsrv.exe
            1⤵
            • Executes dropped EXE
            • Loads dropped DLL
            • Suspicious use of AdjustPrivilegeToken
            PID:1812
          • C:\Windows\SysWOW64\netupdsrv.exe
            C:\Windows\SysWOW64\netupdsrv.exe
            1⤵
            • Executes dropped EXE
            PID:1972

          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

            cdd6b5511db741d0404ecfdd3c20c638

            SHA1

            941ea2b0f712db64d9cba3af7cd050e195bfb4b9

            SHA256

            e68ee707ed039d6a7ef51933e0645ef34472472760ac1af47714b794bc380993

            SHA512

            fc69dcd3426940506f2d6d8e71c9bc09cb2b2c9de07ec83641531f5aa41d69a0cfc6c93efc0bc9542e7aae023b8e09ba0c44078f09de614ad2ec74a9d91c40e8

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

            241KB

            MD5

            6be5841af6639dfad056225ed06158a1

            SHA1

            90cf52bd956e6a134660bacae3426d18cd47adf7

            SHA256

            b8ad4cf0858db0725fc89c079e9f0fd1877159aca5a1554f3093b7b2fabbd01b

            SHA512

            efe85db87640255e025f215cfb9c656528330386c20c7daa7825a5520bb7ef1b472af77b1df2012f37a9381500480bff6c21a159793b17297a7ef2c215eb945f

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

            108KB

            MD5

            4415b045e98b2f36464ca8d1d35e2d9c

            SHA1

            fa416a5084df01fbc218817797889bf15df9b56b

            SHA256

            62ca2717116e93d5ded92396252c3631af386edfb8f15b8badb7123f2307a5f1

            SHA512

            8161f361124ab3352b5470a64f7fa76804bb396a50b5ed0f8f684aa4fb8fe92ff886754b7e8e1a70cf63c5aa0d6373a56bd5faa75a4f15eb732a581185a5552e

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

            176KB

            MD5

            17f29615d510bf93b854e0bfc2db19b9

            SHA1

            adb2480c74534c2f14395419fc380b7844dbf285

            SHA256

            6d144a332df2a0e6aff1489866bdc176fb6812c34ed59b067431d9ec03595f1a

            SHA512

            c417133a0c8270b9150c364e1176a29d866c3f2280ec67adb73ba1791915aefa0a8029961beece11e5df25566d225e80564300a7bf8ff7da83b9541a9754a22c

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

            176KB

            MD5

            17f29615d510bf93b854e0bfc2db19b9

            SHA1

            adb2480c74534c2f14395419fc380b7844dbf285

            SHA256

            6d144a332df2a0e6aff1489866bdc176fb6812c34ed59b067431d9ec03595f1a

            SHA512

            c417133a0c8270b9150c364e1176a29d866c3f2280ec67adb73ba1791915aefa0a8029961beece11e5df25566d225e80564300a7bf8ff7da83b9541a9754a22c

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

            158KB

            MD5

            7e6b152b4c0fb202b9249838a2b9a270

            SHA1

            b57190818669001b19d52efd2c8b209d6bb7aa0c

            SHA256

            8f5c35e58eb37b09f338e4786e71a282d8792f1199185022d73192cb1e752de1

            SHA512

            a5bb8fd7465adab68648446a9d8f5209f85b047a35b375024cc1a050f0a3e74e5361c0b0158a089705f78837fde1c9d8925ff35579005732bea1bae66be3ceef

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

            158KB

            MD5

            7e6b152b4c0fb202b9249838a2b9a270

            SHA1

            b57190818669001b19d52efd2c8b209d6bb7aa0c

            SHA256

            8f5c35e58eb37b09f338e4786e71a282d8792f1199185022d73192cb1e752de1

            SHA512

            a5bb8fd7465adab68648446a9d8f5209f85b047a35b375024cc1a050f0a3e74e5361c0b0158a089705f78837fde1c9d8925ff35579005732bea1bae66be3ceef

          • \Users\Admin\AppData\Local\Temp\nstE2E3.tmp\System.dll
            Filesize

            11KB

            MD5

            c17103ae9072a06da581dec998343fc1

            SHA1

            b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

            SHA256

            dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

            SHA512

            d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

          • \Users\Admin\AppData\Local\Temp\nstE2E3.tmp\nsExec.dll
            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • \Users\Admin\AppData\Local\Temp\nstE2E3.tmp\nsExec.dll
            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • \Users\Admin\AppData\Local\Temp\nstE2E3.tmp\nsExec.dll
            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • \Users\Admin\AppData\Local\Temp\nstE2E3.tmp\nsExec.dll
            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • \Windows\SysWOW64\hfnapi.dll
            Filesize

            106KB

            MD5

            cdd6b5511db741d0404ecfdd3c20c638

            SHA1

            941ea2b0f712db64d9cba3af7cd050e195bfb4b9

            SHA256

            e68ee707ed039d6a7ef51933e0645ef34472472760ac1af47714b794bc380993

            SHA512

            fc69dcd3426940506f2d6d8e71c9bc09cb2b2c9de07ec83641531f5aa41d69a0cfc6c93efc0bc9542e7aae023b8e09ba0c44078f09de614ad2ec74a9d91c40e8

          • \Windows\SysWOW64\hfnapi.dll
            Filesize

            106KB

            MD5

            cdd6b5511db741d0404ecfdd3c20c638

            SHA1

            941ea2b0f712db64d9cba3af7cd050e195bfb4b9

            SHA256

            e68ee707ed039d6a7ef51933e0645ef34472472760ac1af47714b794bc380993

            SHA512

            fc69dcd3426940506f2d6d8e71c9bc09cb2b2c9de07ec83641531f5aa41d69a0cfc6c93efc0bc9542e7aae023b8e09ba0c44078f09de614ad2ec74a9d91c40e8

          • \Windows\SysWOW64\hfnapi.dll
            Filesize

            106KB

            MD5

            cdd6b5511db741d0404ecfdd3c20c638

            SHA1

            941ea2b0f712db64d9cba3af7cd050e195bfb4b9

            SHA256

            e68ee707ed039d6a7ef51933e0645ef34472472760ac1af47714b794bc380993

            SHA512

            fc69dcd3426940506f2d6d8e71c9bc09cb2b2c9de07ec83641531f5aa41d69a0cfc6c93efc0bc9542e7aae023b8e09ba0c44078f09de614ad2ec74a9d91c40e8

          • \Windows\SysWOW64\hfpapi.dll
            Filesize

            241KB

            MD5

            6be5841af6639dfad056225ed06158a1

            SHA1

            90cf52bd956e6a134660bacae3426d18cd47adf7

            SHA256

            b8ad4cf0858db0725fc89c079e9f0fd1877159aca5a1554f3093b7b2fabbd01b

            SHA512

            efe85db87640255e025f215cfb9c656528330386c20c7daa7825a5520bb7ef1b472af77b1df2012f37a9381500480bff6c21a159793b17297a7ef2c215eb945f

          • \Windows\SysWOW64\hfpapi.dll
            Filesize

            241KB

            MD5

            6be5841af6639dfad056225ed06158a1

            SHA1

            90cf52bd956e6a134660bacae3426d18cd47adf7

            SHA256

            b8ad4cf0858db0725fc89c079e9f0fd1877159aca5a1554f3093b7b2fabbd01b

            SHA512

            efe85db87640255e025f215cfb9c656528330386c20c7daa7825a5520bb7ef1b472af77b1df2012f37a9381500480bff6c21a159793b17297a7ef2c215eb945f

          • \Windows\SysWOW64\installd.exe
            Filesize

            108KB

            MD5

            4415b045e98b2f36464ca8d1d35e2d9c

            SHA1

            fa416a5084df01fbc218817797889bf15df9b56b

            SHA256

            62ca2717116e93d5ded92396252c3631af386edfb8f15b8badb7123f2307a5f1

            SHA512

            8161f361124ab3352b5470a64f7fa76804bb396a50b5ed0f8f684aa4fb8fe92ff886754b7e8e1a70cf63c5aa0d6373a56bd5faa75a4f15eb732a581185a5552e

          • \Windows\SysWOW64\nethtsrv.exe
            Filesize

            176KB

            MD5

            17f29615d510bf93b854e0bfc2db19b9

            SHA1

            adb2480c74534c2f14395419fc380b7844dbf285

            SHA256

            6d144a332df2a0e6aff1489866bdc176fb6812c34ed59b067431d9ec03595f1a

            SHA512

            c417133a0c8270b9150c364e1176a29d866c3f2280ec67adb73ba1791915aefa0a8029961beece11e5df25566d225e80564300a7bf8ff7da83b9541a9754a22c

          • \Windows\SysWOW64\netupdsrv.exe
            Filesize

            158KB

            MD5

            7e6b152b4c0fb202b9249838a2b9a270

            SHA1

            b57190818669001b19d52efd2c8b209d6bb7aa0c

            SHA256

            8f5c35e58eb37b09f338e4786e71a282d8792f1199185022d73192cb1e752de1

            SHA512

            a5bb8fd7465adab68648446a9d8f5209f85b047a35b375024cc1a050f0a3e74e5361c0b0158a089705f78837fde1c9d8925ff35579005732bea1bae66be3ceef

          • memory/364-85-0x0000000000000000-mapping.dmp
          • memory/576-80-0x0000000000000000-mapping.dmp
          • memory/616-60-0x0000000000000000-mapping.dmp
          • memory/672-86-0x0000000000000000-mapping.dmp
          • memory/740-69-0x0000000000000000-mapping.dmp
          • memory/820-63-0x0000000000000000-mapping.dmp
          • memory/904-57-0x0000000000000000-mapping.dmp
          • memory/1328-61-0x0000000000000000-mapping.dmp
          • memory/1544-79-0x0000000000000000-mapping.dmp
          • memory/1600-58-0x0000000000000000-mapping.dmp
          • memory/1652-75-0x0000000000000000-mapping.dmp
          • memory/1996-54-0x0000000075281000-0x0000000075283000-memory.dmp
            Filesize

            8KB