Analysis

  • max time kernel
    176s
  • max time network
    184s
  • 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 10:27

General

  • Target

    4852f60fecf1e503b5d214f97ac20a7221d288350dca9d6d283fe3cce504924d.exe

  • Size

    602KB

  • MD5

    7265c25a63dc49503cee41b4a29ea971

  • SHA1

    86e85ba7890ffb3bb72f0bb1623854e866f11d70

  • SHA256

    4852f60fecf1e503b5d214f97ac20a7221d288350dca9d6d283fe3cce504924d

  • SHA512

    00ca09298a656af95a6a274b043499deac2173a6c0b6ec14033914c449aae1eb620d3a3eb660dea3fb4d51cd28507b3ae57d76d1e182356e0bc3ad1ff41acb37

  • SSDEEP

    12288:lIny5DYTjrB3HtnU085z9j+dIx6Nsx6hwygqMEgzlo:RUTjl9D85ZjmIx6WwhMTE

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\4852f60fecf1e503b5d214f97ac20a7221d288350dca9d6d283fe3cce504924d.exe
    "C:\Users\Admin\AppData\Local\Temp\4852f60fecf1e503b5d214f97ac20a7221d288350dca9d6d283fe3cce504924d.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:2556
    • C:\Windows\SysWOW64\net.exe
      net stop nethttpservice
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:5064
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 stop nethttpservice
        3⤵
          PID:3576
      • C:\Windows\SysWOW64\net.exe
        net stop serviceupdater
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:3636
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop serviceupdater
          3⤵
            PID:4532
        • C:\Windows\SysWOW64\installd.exe
          "C:\Windows\system32\installd.exe" nethfdrv
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:4828
        • C:\Windows\SysWOW64\nethtsrv.exe
          "C:\Windows\system32\nethtsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:3096
        • C:\Windows\SysWOW64\netupdsrv.exe
          "C:\Windows\system32\netupdsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          PID:1804
        • C:\Windows\SysWOW64\net.exe
          net start nethttpservice
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:4088
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 start nethttpservice
            3⤵
              PID:3232
          • C:\Windows\SysWOW64\net.exe
            net start serviceupdater
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:3688
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 start serviceupdater
              3⤵
                PID:4276
          • 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:2588
          • C:\Windows\SysWOW64\netupdsrv.exe
            C:\Windows\SysWOW64\netupdsrv.exe
            1⤵
            • Executes dropped EXE
            PID:4236

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\nsdEA57.tmp\System.dll

            Filesize

            11KB

            MD5

            c17103ae9072a06da581dec998343fc1

            SHA1

            b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

            SHA256

            dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

            SHA512

            d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

          • C:\Users\Admin\AppData\Local\Temp\nsdEA57.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsdEA57.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsdEA57.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsdEA57.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsdEA57.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsdEA57.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsdEA57.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsdEA57.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            12554d13d13f35dcc99a3751b6552246

            SHA1

            510137c8a68eaf47a36d05e96e1989d5e9b1f4da

            SHA256

            c59d62e2dc7d51453d3d40a47fd8b689b951c88c4cd3bfb9caf843c4b86ffe67

            SHA512

            86dcb54f515fbac4104a162f030d2e868f7636e6dbc52e00fba6f8305c84b39b14fed3ab2d4b7b3518165d9f32b1f97060513e98a776af33a04ea088118643cb

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            12554d13d13f35dcc99a3751b6552246

            SHA1

            510137c8a68eaf47a36d05e96e1989d5e9b1f4da

            SHA256

            c59d62e2dc7d51453d3d40a47fd8b689b951c88c4cd3bfb9caf843c4b86ffe67

            SHA512

            86dcb54f515fbac4104a162f030d2e868f7636e6dbc52e00fba6f8305c84b39b14fed3ab2d4b7b3518165d9f32b1f97060513e98a776af33a04ea088118643cb

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            12554d13d13f35dcc99a3751b6552246

            SHA1

            510137c8a68eaf47a36d05e96e1989d5e9b1f4da

            SHA256

            c59d62e2dc7d51453d3d40a47fd8b689b951c88c4cd3bfb9caf843c4b86ffe67

            SHA512

            86dcb54f515fbac4104a162f030d2e868f7636e6dbc52e00fba6f8305c84b39b14fed3ab2d4b7b3518165d9f32b1f97060513e98a776af33a04ea088118643cb

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            12554d13d13f35dcc99a3751b6552246

            SHA1

            510137c8a68eaf47a36d05e96e1989d5e9b1f4da

            SHA256

            c59d62e2dc7d51453d3d40a47fd8b689b951c88c4cd3bfb9caf843c4b86ffe67

            SHA512

            86dcb54f515fbac4104a162f030d2e868f7636e6dbc52e00fba6f8305c84b39b14fed3ab2d4b7b3518165d9f32b1f97060513e98a776af33a04ea088118643cb

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            241KB

            MD5

            722c84e4f4af0469987c5e11f23c54f8

            SHA1

            43ac3c9ed456b940113dc678815ee09ac96e9b93

            SHA256

            fd0a3505d287e8f1e75082f53f73d3e43e350936afae9bf91dead0927ecd25fa

            SHA512

            9edd646b40f9e6f1994fdb8b8917c39f323d689221c569e6284d86fe984de256272efa23b851baa88fbd76ed00fdf800671bcf5f6da6da58771e16fd5cee3eba

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            241KB

            MD5

            722c84e4f4af0469987c5e11f23c54f8

            SHA1

            43ac3c9ed456b940113dc678815ee09ac96e9b93

            SHA256

            fd0a3505d287e8f1e75082f53f73d3e43e350936afae9bf91dead0927ecd25fa

            SHA512

            9edd646b40f9e6f1994fdb8b8917c39f323d689221c569e6284d86fe984de256272efa23b851baa88fbd76ed00fdf800671bcf5f6da6da58771e16fd5cee3eba

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            241KB

            MD5

            722c84e4f4af0469987c5e11f23c54f8

            SHA1

            43ac3c9ed456b940113dc678815ee09ac96e9b93

            SHA256

            fd0a3505d287e8f1e75082f53f73d3e43e350936afae9bf91dead0927ecd25fa

            SHA512

            9edd646b40f9e6f1994fdb8b8917c39f323d689221c569e6284d86fe984de256272efa23b851baa88fbd76ed00fdf800671bcf5f6da6da58771e16fd5cee3eba

          • C:\Windows\SysWOW64\installd.exe

            Filesize

            108KB

            MD5

            5ea1f0f0bf73645c83eb9bd76d6123cc

            SHA1

            87a6fb92de4a2c43f5ffd969f52823b353130a6a

            SHA256

            d0f9898d0cca9788ba84dc0df01042895285c2cdcc03a771312928fbe039eb14

            SHA512

            84d3c24d3a29432516554e438a66cfe28622becfa0020d48029ebd8a46168ec8fe324bb14d8b7ff4f552ca3ac507ee633f79a47915213f06fb5965a3ed58a22d

          • C:\Windows\SysWOW64\installd.exe

            Filesize

            108KB

            MD5

            5ea1f0f0bf73645c83eb9bd76d6123cc

            SHA1

            87a6fb92de4a2c43f5ffd969f52823b353130a6a

            SHA256

            d0f9898d0cca9788ba84dc0df01042895285c2cdcc03a771312928fbe039eb14

            SHA512

            84d3c24d3a29432516554e438a66cfe28622becfa0020d48029ebd8a46168ec8fe324bb14d8b7ff4f552ca3ac507ee633f79a47915213f06fb5965a3ed58a22d

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            3c9c763756fd19b9df10d1ecb93104c3

            SHA1

            134ac5be884527173e79757cd73124d9dd157334

            SHA256

            1b142b1a63a970c0e2390f152cefabb73fe9560a82e9490532094488f2dba1a1

            SHA512

            1e891f1d6eda4581aaf852cae8c7ab87313c4357bc393db41c601729fd3de55274c7920aa915617f2b4ee0eb07235e7ae170134318ec4b37f27903a4bba6c423

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            3c9c763756fd19b9df10d1ecb93104c3

            SHA1

            134ac5be884527173e79757cd73124d9dd157334

            SHA256

            1b142b1a63a970c0e2390f152cefabb73fe9560a82e9490532094488f2dba1a1

            SHA512

            1e891f1d6eda4581aaf852cae8c7ab87313c4357bc393db41c601729fd3de55274c7920aa915617f2b4ee0eb07235e7ae170134318ec4b37f27903a4bba6c423

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            3c9c763756fd19b9df10d1ecb93104c3

            SHA1

            134ac5be884527173e79757cd73124d9dd157334

            SHA256

            1b142b1a63a970c0e2390f152cefabb73fe9560a82e9490532094488f2dba1a1

            SHA512

            1e891f1d6eda4581aaf852cae8c7ab87313c4357bc393db41c601729fd3de55274c7920aa915617f2b4ee0eb07235e7ae170134318ec4b37f27903a4bba6c423

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            054fb5bbd794f010da8d5b37988627a4

            SHA1

            8ad4f13a0cab2c22d93f0e33fd54ba75c03532a2

            SHA256

            1009ed5d03a9b0f6ab69f4975ba0a67aad408d01575cf8b18db8ddb74d18d63f

            SHA512

            6482f4e4f19e8e7b73f75ac933255dee271878205d922673e75440b25b00774b19282f50239f17d666dea3592e1e0ce78dc928786ca28cde3f0f7bef2738cdfa

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            054fb5bbd794f010da8d5b37988627a4

            SHA1

            8ad4f13a0cab2c22d93f0e33fd54ba75c03532a2

            SHA256

            1009ed5d03a9b0f6ab69f4975ba0a67aad408d01575cf8b18db8ddb74d18d63f

            SHA512

            6482f4e4f19e8e7b73f75ac933255dee271878205d922673e75440b25b00774b19282f50239f17d666dea3592e1e0ce78dc928786ca28cde3f0f7bef2738cdfa

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            054fb5bbd794f010da8d5b37988627a4

            SHA1

            8ad4f13a0cab2c22d93f0e33fd54ba75c03532a2

            SHA256

            1009ed5d03a9b0f6ab69f4975ba0a67aad408d01575cf8b18db8ddb74d18d63f

            SHA512

            6482f4e4f19e8e7b73f75ac933255dee271878205d922673e75440b25b00774b19282f50239f17d666dea3592e1e0ce78dc928786ca28cde3f0f7bef2738cdfa

          • memory/1804-154-0x0000000000000000-mapping.dmp

          • memory/2556-170-0x0000000000360000-0x00000000007BE000-memory.dmp

            Filesize

            4.4MB

          • memory/2556-133-0x0000000000360000-0x00000000007BE000-memory.dmp

            Filesize

            4.4MB

          • memory/2556-162-0x0000000000360000-0x00000000007BE000-memory.dmp

            Filesize

            4.4MB

          • memory/3096-148-0x0000000000000000-mapping.dmp

          • memory/3232-160-0x0000000000000000-mapping.dmp

          • memory/3576-138-0x0000000000000000-mapping.dmp

          • memory/3636-141-0x0000000000000000-mapping.dmp

          • memory/3688-167-0x0000000000000000-mapping.dmp

          • memory/4088-159-0x0000000000000000-mapping.dmp

          • memory/4276-168-0x0000000000000000-mapping.dmp

          • memory/4532-142-0x0000000000000000-mapping.dmp

          • memory/4828-143-0x0000000000000000-mapping.dmp

          • memory/5064-137-0x0000000000000000-mapping.dmp