Analysis

  • max time kernel
    102s
  • max time network
    32s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    24/11/2022, 05:37

General

  • Target

    9c0c3778d90350d392967dde3efdbf38e51e1f647ba7524b8843d87878cf4514.exe

  • Size

    602KB

  • MD5

    47bc34d5b31645a969690395a81fe534

  • SHA1

    37817c4e6593b9e10e12f57deade15334ba3b6dd

  • SHA256

    9c0c3778d90350d392967dde3efdbf38e51e1f647ba7524b8843d87878cf4514

  • SHA512

    0ad5838a0eebfa241e9d26c8cc716afc4d1de7b18bde8fbff433a83a23c9d977c1c96434a172b75c7c1372541ce1985054c1601c4bdbcd7a8b0c9d49dfe041f9

  • SSDEEP

    12288:sIny5DYTjJD4QLimHijCkjpaXKC2JS+cbJ8SRypryWci:qUTjJDhLBCjCQ06CSP8iSR8Dc

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\9c0c3778d90350d392967dde3efdbf38e51e1f647ba7524b8843d87878cf4514.exe
    "C:\Users\Admin\AppData\Local\Temp\9c0c3778d90350d392967dde3efdbf38e51e1f647ba7524b8843d87878cf4514.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:880
    • C:\Windows\SysWOW64\net.exe
      net stop nethttpservice
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:436
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 stop nethttpservice
        3⤵
          PID:1892
      • C:\Windows\SysWOW64\net.exe
        net stop serviceupdater
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1008
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop serviceupdater
          3⤵
            PID:840
        • C:\Windows\SysWOW64\installd.exe
          "C:\Windows\system32\installd.exe" nethfdrv
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:1724
        • C:\Windows\SysWOW64\nethtsrv.exe
          "C:\Windows\system32\nethtsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:1576
        • C:\Windows\SysWOW64\netupdsrv.exe
          "C:\Windows\system32\netupdsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          PID:1848
        • C:\Windows\SysWOW64\net.exe
          net start nethttpservice
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:1984
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 start nethttpservice
            3⤵
              PID:1048
          • C:\Windows\SysWOW64\net.exe
            net start serviceupdater
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:1708
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 start serviceupdater
              3⤵
                PID:2024
          • C:\Windows\SysWOW64\nethtsrv.exe
            C:\Windows\SysWOW64\nethtsrv.exe
            1⤵
            • Executes dropped EXE
            • Loads dropped DLL
            • Suspicious use of AdjustPrivilegeToken
            PID:992
          • C:\Windows\SysWOW64\netupdsrv.exe
            C:\Windows\SysWOW64\netupdsrv.exe
            1⤵
            • Executes dropped EXE
            PID:1236

          Network

                MITRE ATT&CK Enterprise v6

                Replay Monitor

                Loading Replay Monitor...

                Downloads

                • C:\Windows\SysWOW64\hfnapi.dll

                  Filesize

                  106KB

                  MD5

                  8f723cfc853def3ee0959590cb24874e

                  SHA1

                  5efd58d05048a6dbb54e5f66e4e92c0727c0ffd6

                  SHA256

                  28c9aac3aae9d0f5ea1828017670742c570fbb27d030ac9c550ecc902eae3b97

                  SHA512

                  0462d8d12f9d062c1bec1b5f26bc20fda8d3c07c550967b6bf4b8955ad9dd9e8ff88061e76ec0cc26689f94bed6c405f0d1128c3d1986deb3bb23f9720c91846

                • C:\Windows\SysWOW64\hfpapi.dll

                  Filesize

                  241KB

                  MD5

                  9bcab3014c0a851febe8336d78dcaa6a

                  SHA1

                  0245beec5cfcd53b6b1f1b08ecf867fd4ab4b3e5

                  SHA256

                  21e36e67f14b8ee8ae833003984f9d128736099f976ffd56f61989e6608f01c3

                  SHA512

                  22b7676b85652de038daa3b7d626334045a276ac5c3ec74813aa0f568310cecbd67af7d8385c8a17fc689e5ba56b4135384caf61aab2fb212de6c255d336c70b

                • C:\Windows\SysWOW64\installd.exe

                  Filesize

                  108KB

                  MD5

                  17095401c1500ff7bbaecad924dbb8c4

                  SHA1

                  9914cc873e718da6396e8c67aa8d9f3b6d8b40d8

                  SHA256

                  abf320731d8a46d615c644381db7cdbdd4fa1b8c1a20134e2ec72393ccdc70fb

                  SHA512

                  9eeea19c8c0aee546718eef190a0ebf9c9b47167757167d46717cb0f54272eead59ec9ac0a3fe2396fa4e68280dcf5279491eb915bd03953f89ee77228fe1c4e

                • C:\Windows\SysWOW64\nethtsrv.exe

                  Filesize

                  176KB

                  MD5

                  4f1c2426d771b73f6daf9d044d782b51

                  SHA1

                  b56959f910c5e1e44576c5fe57fe5e7e2b6b124b

                  SHA256

                  9e0e30dbd5082ac66ceb2633fdacd4cd842e85a3ac373c18693a43fdd0cf29b3

                  SHA512

                  775aeec94f12aae1560d89679ce7d000df962b4a17fa676413f82a71f971599416a9fab99febc3c7a94fee65bcc991bd77898ec3de25975027112225614fe15f

                • C:\Windows\SysWOW64\nethtsrv.exe

                  Filesize

                  176KB

                  MD5

                  4f1c2426d771b73f6daf9d044d782b51

                  SHA1

                  b56959f910c5e1e44576c5fe57fe5e7e2b6b124b

                  SHA256

                  9e0e30dbd5082ac66ceb2633fdacd4cd842e85a3ac373c18693a43fdd0cf29b3

                  SHA512

                  775aeec94f12aae1560d89679ce7d000df962b4a17fa676413f82a71f971599416a9fab99febc3c7a94fee65bcc991bd77898ec3de25975027112225614fe15f

                • C:\Windows\SysWOW64\netupdsrv.exe

                  Filesize

                  158KB

                  MD5

                  73e118b9cc143a4218c5de1645763bbb

                  SHA1

                  a42550c2816969b7cd56d603cbd786a491322390

                  SHA256

                  1464cf11d9f5c937a5ce19338c01fd3e8a39e1b1470f0dc383f0a6c766d42f16

                  SHA512

                  6c6c76be0dcbe61e13c2bb75fba99b5065aae946bf96d1da7344a414c44da48827a9742cc6585a769e81c7036216320cbe08bca12ee6e97b320a52a2c8371fba

                • C:\Windows\SysWOW64\netupdsrv.exe

                  Filesize

                  158KB

                  MD5

                  73e118b9cc143a4218c5de1645763bbb

                  SHA1

                  a42550c2816969b7cd56d603cbd786a491322390

                  SHA256

                  1464cf11d9f5c937a5ce19338c01fd3e8a39e1b1470f0dc383f0a6c766d42f16

                  SHA512

                  6c6c76be0dcbe61e13c2bb75fba99b5065aae946bf96d1da7344a414c44da48827a9742cc6585a769e81c7036216320cbe08bca12ee6e97b320a52a2c8371fba

                • \Users\Admin\AppData\Local\Temp\nseEFDE.tmp\System.dll

                  Filesize

                  11KB

                  MD5

                  c17103ae9072a06da581dec998343fc1

                  SHA1

                  b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

                  SHA256

                  dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

                  SHA512

                  d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

                • \Users\Admin\AppData\Local\Temp\nseEFDE.tmp\nsExec.dll

                  Filesize

                  6KB

                  MD5

                  acc2b699edfea5bf5aae45aba3a41e96

                  SHA1

                  d2accf4d494e43ceb2cff69abe4dd17147d29cc2

                  SHA256

                  168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

                  SHA512

                  e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

                • \Users\Admin\AppData\Local\Temp\nseEFDE.tmp\nsExec.dll

                  Filesize

                  6KB

                  MD5

                  acc2b699edfea5bf5aae45aba3a41e96

                  SHA1

                  d2accf4d494e43ceb2cff69abe4dd17147d29cc2

                  SHA256

                  168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

                  SHA512

                  e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

                • \Users\Admin\AppData\Local\Temp\nseEFDE.tmp\nsExec.dll

                  Filesize

                  6KB

                  MD5

                  acc2b699edfea5bf5aae45aba3a41e96

                  SHA1

                  d2accf4d494e43ceb2cff69abe4dd17147d29cc2

                  SHA256

                  168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

                  SHA512

                  e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

                • \Users\Admin\AppData\Local\Temp\nseEFDE.tmp\nsExec.dll

                  Filesize

                  6KB

                  MD5

                  acc2b699edfea5bf5aae45aba3a41e96

                  SHA1

                  d2accf4d494e43ceb2cff69abe4dd17147d29cc2

                  SHA256

                  168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

                  SHA512

                  e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

                • \Windows\SysWOW64\hfnapi.dll

                  Filesize

                  106KB

                  MD5

                  8f723cfc853def3ee0959590cb24874e

                  SHA1

                  5efd58d05048a6dbb54e5f66e4e92c0727c0ffd6

                  SHA256

                  28c9aac3aae9d0f5ea1828017670742c570fbb27d030ac9c550ecc902eae3b97

                  SHA512

                  0462d8d12f9d062c1bec1b5f26bc20fda8d3c07c550967b6bf4b8955ad9dd9e8ff88061e76ec0cc26689f94bed6c405f0d1128c3d1986deb3bb23f9720c91846

                • \Windows\SysWOW64\hfnapi.dll

                  Filesize

                  106KB

                  MD5

                  8f723cfc853def3ee0959590cb24874e

                  SHA1

                  5efd58d05048a6dbb54e5f66e4e92c0727c0ffd6

                  SHA256

                  28c9aac3aae9d0f5ea1828017670742c570fbb27d030ac9c550ecc902eae3b97

                  SHA512

                  0462d8d12f9d062c1bec1b5f26bc20fda8d3c07c550967b6bf4b8955ad9dd9e8ff88061e76ec0cc26689f94bed6c405f0d1128c3d1986deb3bb23f9720c91846

                • \Windows\SysWOW64\hfnapi.dll

                  Filesize

                  106KB

                  MD5

                  8f723cfc853def3ee0959590cb24874e

                  SHA1

                  5efd58d05048a6dbb54e5f66e4e92c0727c0ffd6

                  SHA256

                  28c9aac3aae9d0f5ea1828017670742c570fbb27d030ac9c550ecc902eae3b97

                  SHA512

                  0462d8d12f9d062c1bec1b5f26bc20fda8d3c07c550967b6bf4b8955ad9dd9e8ff88061e76ec0cc26689f94bed6c405f0d1128c3d1986deb3bb23f9720c91846

                • \Windows\SysWOW64\hfpapi.dll

                  Filesize

                  241KB

                  MD5

                  9bcab3014c0a851febe8336d78dcaa6a

                  SHA1

                  0245beec5cfcd53b6b1f1b08ecf867fd4ab4b3e5

                  SHA256

                  21e36e67f14b8ee8ae833003984f9d128736099f976ffd56f61989e6608f01c3

                  SHA512

                  22b7676b85652de038daa3b7d626334045a276ac5c3ec74813aa0f568310cecbd67af7d8385c8a17fc689e5ba56b4135384caf61aab2fb212de6c255d336c70b

                • \Windows\SysWOW64\hfpapi.dll

                  Filesize

                  241KB

                  MD5

                  9bcab3014c0a851febe8336d78dcaa6a

                  SHA1

                  0245beec5cfcd53b6b1f1b08ecf867fd4ab4b3e5

                  SHA256

                  21e36e67f14b8ee8ae833003984f9d128736099f976ffd56f61989e6608f01c3

                  SHA512

                  22b7676b85652de038daa3b7d626334045a276ac5c3ec74813aa0f568310cecbd67af7d8385c8a17fc689e5ba56b4135384caf61aab2fb212de6c255d336c70b

                • \Windows\SysWOW64\installd.exe

                  Filesize

                  108KB

                  MD5

                  17095401c1500ff7bbaecad924dbb8c4

                  SHA1

                  9914cc873e718da6396e8c67aa8d9f3b6d8b40d8

                  SHA256

                  abf320731d8a46d615c644381db7cdbdd4fa1b8c1a20134e2ec72393ccdc70fb

                  SHA512

                  9eeea19c8c0aee546718eef190a0ebf9c9b47167757167d46717cb0f54272eead59ec9ac0a3fe2396fa4e68280dcf5279491eb915bd03953f89ee77228fe1c4e

                • \Windows\SysWOW64\nethtsrv.exe

                  Filesize

                  176KB

                  MD5

                  4f1c2426d771b73f6daf9d044d782b51

                  SHA1

                  b56959f910c5e1e44576c5fe57fe5e7e2b6b124b

                  SHA256

                  9e0e30dbd5082ac66ceb2633fdacd4cd842e85a3ac373c18693a43fdd0cf29b3

                  SHA512

                  775aeec94f12aae1560d89679ce7d000df962b4a17fa676413f82a71f971599416a9fab99febc3c7a94fee65bcc991bd77898ec3de25975027112225614fe15f

                • \Windows\SysWOW64\netupdsrv.exe

                  Filesize

                  158KB

                  MD5

                  73e118b9cc143a4218c5de1645763bbb

                  SHA1

                  a42550c2816969b7cd56d603cbd786a491322390

                  SHA256

                  1464cf11d9f5c937a5ce19338c01fd3e8a39e1b1470f0dc383f0a6c766d42f16

                  SHA512

                  6c6c76be0dcbe61e13c2bb75fba99b5065aae946bf96d1da7344a414c44da48827a9742cc6585a769e81c7036216320cbe08bca12ee6e97b320a52a2c8371fba

                • memory/880-91-0x0000000000360000-0x00000000007BE000-memory.dmp

                  Filesize

                  4.4MB

                • memory/880-58-0x0000000000360000-0x00000000007BE000-memory.dmp

                  Filesize

                  4.4MB

                • memory/880-75-0x0000000000360000-0x00000000007BE000-memory.dmp

                  Filesize

                  4.4MB

                • memory/880-54-0x0000000076691000-0x0000000076693000-memory.dmp

                  Filesize

                  8KB