Analysis

  • max time kernel
    91s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-11-2022 10:50

General

  • Target

    ee0ab15289e71208d00d44f6aaf455e844b70c630eddc05aa347e49d1444de90.exe

  • Size

    446KB

  • MD5

    5022ddd697aafffb0b26c3b1b9cf304d

  • SHA1

    d80171e02cc5f788ec7cee640bf54c9e4984089d

  • SHA256

    ee0ab15289e71208d00d44f6aaf455e844b70c630eddc05aa347e49d1444de90

  • SHA512

    096555f7c3942c2822e0fe72d65c73dde1f26e1eefb456066c1e3278e87e746b5a60558ff64b6d309f128f007e509ed02d2e6b44eb1ef2b490eb126e65ce0ba5

  • SSDEEP

    12288:8eB/W2xiFVzZ0vuPaxWml1YD5uBzPEH3xfKBYzuiHkMq:8s/8zaWP0Wml6D5u5CxfLaiu

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\ee0ab15289e71208d00d44f6aaf455e844b70c630eddc05aa347e49d1444de90.exe
    "C:\Users\Admin\AppData\Local\Temp\ee0ab15289e71208d00d44f6aaf455e844b70c630eddc05aa347e49d1444de90.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:4964
    • C:\Windows\SysWOW64\net.exe
      net stop nethttpservice
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:5024
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 stop nethttpservice
        3⤵
          PID:1652
      • C:\Windows\SysWOW64\net.exe
        net stop serviceupdater
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:404
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop serviceupdater
          3⤵
            PID:396
        • C:\Windows\SysWOW64\installd.exe
          "C:\Windows\system32\installd.exe" nethfdrv
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:1472
        • C:\Windows\SysWOW64\nethtsrv.exe
          "C:\Windows\system32\nethtsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:2248
        • C:\Windows\SysWOW64\netupdsrv.exe
          "C:\Windows\system32\netupdsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          PID:2952
        • C:\Windows\SysWOW64\net.exe
          net start nethttpservice
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:4328
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 start nethttpservice
            3⤵
              PID:4204
          • C:\Windows\SysWOW64\net.exe
            net start serviceupdater
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:4244
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 start serviceupdater
              3⤵
                PID:3924
          • 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:1788
          • C:\Windows\SysWOW64\netupdsrv.exe
            C:\Windows\SysWOW64\netupdsrv.exe
            1⤵
            • Executes dropped EXE
            PID:2732

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\nsoAC54.tmp\System.dll

            Filesize

            11KB

            MD5

            c17103ae9072a06da581dec998343fc1

            SHA1

            b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

            SHA256

            dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

            SHA512

            d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

          • C:\Users\Admin\AppData\Local\Temp\nsoAC54.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsoAC54.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsoAC54.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsoAC54.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsoAC54.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsoAC54.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsoAC54.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsoAC54.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            c81f56666e2d2899988c58012de346b1

            SHA1

            be458b935b1869168ff6d571aab029b6719cda53

            SHA256

            1ead8851828e6caeca922717c17f525fbb2f3c21f0b5293c2ef2b8b39d87b3e4

            SHA512

            2c8adec007efd1e33d4add4cb76cc9a4ab815f2606bb1a7f22a1ecbc76ae47df57e31eb8c2ec710e34e4e5741aa687ff1628494989d140a368193b41b719ee96

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            c81f56666e2d2899988c58012de346b1

            SHA1

            be458b935b1869168ff6d571aab029b6719cda53

            SHA256

            1ead8851828e6caeca922717c17f525fbb2f3c21f0b5293c2ef2b8b39d87b3e4

            SHA512

            2c8adec007efd1e33d4add4cb76cc9a4ab815f2606bb1a7f22a1ecbc76ae47df57e31eb8c2ec710e34e4e5741aa687ff1628494989d140a368193b41b719ee96

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            c81f56666e2d2899988c58012de346b1

            SHA1

            be458b935b1869168ff6d571aab029b6719cda53

            SHA256

            1ead8851828e6caeca922717c17f525fbb2f3c21f0b5293c2ef2b8b39d87b3e4

            SHA512

            2c8adec007efd1e33d4add4cb76cc9a4ab815f2606bb1a7f22a1ecbc76ae47df57e31eb8c2ec710e34e4e5741aa687ff1628494989d140a368193b41b719ee96

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            c81f56666e2d2899988c58012de346b1

            SHA1

            be458b935b1869168ff6d571aab029b6719cda53

            SHA256

            1ead8851828e6caeca922717c17f525fbb2f3c21f0b5293c2ef2b8b39d87b3e4

            SHA512

            2c8adec007efd1e33d4add4cb76cc9a4ab815f2606bb1a7f22a1ecbc76ae47df57e31eb8c2ec710e34e4e5741aa687ff1628494989d140a368193b41b719ee96

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            244KB

            MD5

            6f69effe3d80211c4a88b67f07c98dac

            SHA1

            83daa68cb2570ccfb3248d4e3e9ec0a278344273

            SHA256

            c4582e9fe401ea97d1dd812842c22eef4c5d271ab243a1b2abe72ccbaca7291c

            SHA512

            f19015722bbdd89f1a68a42ba8c7b7701a2c6f79a486b2406faa7a5eabc727fc941fe82398c1807fdb9c0d3efdb402d707d6c5a1df811c285410a45c7b847d58

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            244KB

            MD5

            6f69effe3d80211c4a88b67f07c98dac

            SHA1

            83daa68cb2570ccfb3248d4e3e9ec0a278344273

            SHA256

            c4582e9fe401ea97d1dd812842c22eef4c5d271ab243a1b2abe72ccbaca7291c

            SHA512

            f19015722bbdd89f1a68a42ba8c7b7701a2c6f79a486b2406faa7a5eabc727fc941fe82398c1807fdb9c0d3efdb402d707d6c5a1df811c285410a45c7b847d58

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            244KB

            MD5

            6f69effe3d80211c4a88b67f07c98dac

            SHA1

            83daa68cb2570ccfb3248d4e3e9ec0a278344273

            SHA256

            c4582e9fe401ea97d1dd812842c22eef4c5d271ab243a1b2abe72ccbaca7291c

            SHA512

            f19015722bbdd89f1a68a42ba8c7b7701a2c6f79a486b2406faa7a5eabc727fc941fe82398c1807fdb9c0d3efdb402d707d6c5a1df811c285410a45c7b847d58

          • C:\Windows\SysWOW64\installd.exe

            Filesize

            108KB

            MD5

            21f92086cf1141727d513054ae2e1d40

            SHA1

            8b934f130e765d697aae285de2d975c95248ea82

            SHA256

            1d140d485b4d54e19883569b8ccd205e149ee4563cddbbec2701ecb7e7004210

            SHA512

            c54c609b8ad5f268c22aa3616c1293d28b80e3f4692b5d49a3326a39ac9db1a75446a8f3106a87a37866dff2c1120f7a1066061e7658427583ff89df6036d5c9

          • C:\Windows\SysWOW64\installd.exe

            Filesize

            108KB

            MD5

            21f92086cf1141727d513054ae2e1d40

            SHA1

            8b934f130e765d697aae285de2d975c95248ea82

            SHA256

            1d140d485b4d54e19883569b8ccd205e149ee4563cddbbec2701ecb7e7004210

            SHA512

            c54c609b8ad5f268c22aa3616c1293d28b80e3f4692b5d49a3326a39ac9db1a75446a8f3106a87a37866dff2c1120f7a1066061e7658427583ff89df6036d5c9

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            dc385f28a1bfd46aec8b6ea70f04cff6

            SHA1

            70fbd3dfc1f1b8fee9d98c24ee75c145bc0b9aa1

            SHA256

            a046cede829395906080a2162de2a20a3209b2371a98413e666190e319dea0a0

            SHA512

            8fd1b871523827419bfca24a492eeb0008555345cbf669f87b1d33ad64ba6fd52d56091fd8bdf42908c6cf74cda777c47e40b1bcadede416fc35fb162dc21a93

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            dc385f28a1bfd46aec8b6ea70f04cff6

            SHA1

            70fbd3dfc1f1b8fee9d98c24ee75c145bc0b9aa1

            SHA256

            a046cede829395906080a2162de2a20a3209b2371a98413e666190e319dea0a0

            SHA512

            8fd1b871523827419bfca24a492eeb0008555345cbf669f87b1d33ad64ba6fd52d56091fd8bdf42908c6cf74cda777c47e40b1bcadede416fc35fb162dc21a93

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            dc385f28a1bfd46aec8b6ea70f04cff6

            SHA1

            70fbd3dfc1f1b8fee9d98c24ee75c145bc0b9aa1

            SHA256

            a046cede829395906080a2162de2a20a3209b2371a98413e666190e319dea0a0

            SHA512

            8fd1b871523827419bfca24a492eeb0008555345cbf669f87b1d33ad64ba6fd52d56091fd8bdf42908c6cf74cda777c47e40b1bcadede416fc35fb162dc21a93

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            359e61de232b33baf33363c25dc0966c

            SHA1

            1247715208e4809667c8fd9497032dfeb73e6092

            SHA256

            8fc60bccc83f75bfec7a766114d458974bd3eeb7a5256efc1bb07784da665caf

            SHA512

            88a5627f8b47b4d7d4cb5a2c1b7ce6909d07f50c2dc8a06f0e94658067c3e8ba498df2158e85a2263f2e6ae105dbd3bcf6dc50934fa7ceb1ab081fac9d2c7285

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            359e61de232b33baf33363c25dc0966c

            SHA1

            1247715208e4809667c8fd9497032dfeb73e6092

            SHA256

            8fc60bccc83f75bfec7a766114d458974bd3eeb7a5256efc1bb07784da665caf

            SHA512

            88a5627f8b47b4d7d4cb5a2c1b7ce6909d07f50c2dc8a06f0e94658067c3e8ba498df2158e85a2263f2e6ae105dbd3bcf6dc50934fa7ceb1ab081fac9d2c7285

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            359e61de232b33baf33363c25dc0966c

            SHA1

            1247715208e4809667c8fd9497032dfeb73e6092

            SHA256

            8fc60bccc83f75bfec7a766114d458974bd3eeb7a5256efc1bb07784da665caf

            SHA512

            88a5627f8b47b4d7d4cb5a2c1b7ce6909d07f50c2dc8a06f0e94658067c3e8ba498df2158e85a2263f2e6ae105dbd3bcf6dc50934fa7ceb1ab081fac9d2c7285

          • memory/396-143-0x0000000000000000-mapping.dmp

          • memory/404-142-0x0000000000000000-mapping.dmp

          • memory/1472-144-0x0000000000000000-mapping.dmp

          • memory/1652-139-0x0000000000000000-mapping.dmp

          • memory/2248-149-0x0000000000000000-mapping.dmp

          • memory/2952-155-0x0000000000000000-mapping.dmp

          • memory/3924-168-0x0000000000000000-mapping.dmp

          • memory/4204-161-0x0000000000000000-mapping.dmp

          • memory/4244-167-0x0000000000000000-mapping.dmp

          • memory/4328-160-0x0000000000000000-mapping.dmp

          • memory/5024-138-0x0000000000000000-mapping.dmp