Analysis

  • max time kernel
    44s
  • max time network
    35s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

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

General

  • Target

    d114d4dc457da4c4d6743346eb709411a3ecb27e63cb25bbe0d5e555c467a1ea.exe

  • Size

    603KB

  • MD5

    c2c138a6feb09cdb991e50aa7eefbe1c

  • SHA1

    504909c81609f9f8595959dd7f5ba4c67b4558d4

  • SHA256

    d114d4dc457da4c4d6743346eb709411a3ecb27e63cb25bbe0d5e555c467a1ea

  • SHA512

    892f65fe08a81c279ba56654d165a77da7b7c4293dda6f5153d93278eb31932ff64fba180a1bfc826132505a1257f03efc8c64683d5b1ca01a7dc3ce5ee121b1

  • SSDEEP

    12288:MIny5DYTfIj3Dn405dcpbb0e0Ubj0l78QOoHNwQrlmaK:KUTfMT40rOYy0l78aNwlaK

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\d114d4dc457da4c4d6743346eb709411a3ecb27e63cb25bbe0d5e555c467a1ea.exe
    "C:\Users\Admin\AppData\Local\Temp\d114d4dc457da4c4d6743346eb709411a3ecb27e63cb25bbe0d5e555c467a1ea.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:1536
    • C:\Windows\SysWOW64\net.exe
      net stop nethttpservice
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:860
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 stop nethttpservice
        3⤵
          PID:484
      • C:\Windows\SysWOW64\net.exe
        net stop serviceupdater
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:584
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop serviceupdater
          3⤵
            PID:1496
        • C:\Windows\SysWOW64\installd.exe
          "C:\Windows\system32\installd.exe" nethfdrv
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:1928
        • C:\Windows\SysWOW64\nethtsrv.exe
          "C:\Windows\system32\nethtsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:748
        • C:\Windows\SysWOW64\netupdsrv.exe
          "C:\Windows\system32\netupdsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          PID:604
        • C:\Windows\SysWOW64\net.exe
          net start nethttpservice
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:1844
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 start nethttpservice
            3⤵
              PID:1636
          • C:\Windows\SysWOW64\net.exe
            net start serviceupdater
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:436
            • 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:2012
          • C:\Windows\SysWOW64\netupdsrv.exe
            C:\Windows\SysWOW64\netupdsrv.exe
            1⤵
            • Executes dropped EXE
            PID:1076

          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

            1fa683d481c63fd05abf05f1f4987dd9

            SHA1

            4b320b9cfe4a124af5f5078654d3d79748f33ba4

            SHA256

            c71559b83c338fe364f073438bf2f3db4be90db64cf47aea94ef6a5ddf07ac71

            SHA512

            4fdffaacc68c6523629b74ac95199ff3ad2195fa3c90d435a803b40747374409e98eb1f82ceb448c7c2f0d7e08970dc306a7c18ac3aa1fda9565b3e70bb24162

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

            244KB

            MD5

            6d89fd5a1cb724185909e43e7129ab16

            SHA1

            2601cfd5da3de71684ad77c926a8a1431c92983c

            SHA256

            09f5c05992251c83b54bfc06f0de9a5379e7d482a7d8b653c7cf4ca41f02f82b

            SHA512

            4e67a0cd2e3f24969e1c15d8ff4d4f4092f6f969f2b198c03eed43d72ec5aaaa5f5c0c26bb06a8d5c9cea25a90f24c6da1bc29858a0dec2e949ed2a2d0366fee

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

            108KB

            MD5

            7f53de63f4207b0a9e3765d6e53dfa71

            SHA1

            a8684a6b1e6c82d697a93bd05eceffef4c423ebe

            SHA256

            da437871ed28e7a89e89fa9fec5b6fe1ac786d889794794843d37419f4c3b0c9

            SHA512

            6b51d2816ba2d448f07e29cf9cd4fc061ce7c0078446f30a7f9d65b569eb1c5cd6cffed55ca3e1122fd2eff24e8dfb11a1523418f2980c3c80a6d2d43011ac23

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

            176KB

            MD5

            d49d4021076fa9b82e8f37a42e04fdec

            SHA1

            12e6f5a4db6707c423f178f61919b3c352cbd45f

            SHA256

            f61037285398959755af838cc951171bb312de2308d4318da7e9a2ae1f9caded

            SHA512

            2ba6dfcbf33d60b7072e459a5551a52f22a8795c6081780a698952c905a9b0e84d4bd10da41190f3cb15eee359819f5fd81fdff8895fdd32cf28091a43e566ef

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

            176KB

            MD5

            d49d4021076fa9b82e8f37a42e04fdec

            SHA1

            12e6f5a4db6707c423f178f61919b3c352cbd45f

            SHA256

            f61037285398959755af838cc951171bb312de2308d4318da7e9a2ae1f9caded

            SHA512

            2ba6dfcbf33d60b7072e459a5551a52f22a8795c6081780a698952c905a9b0e84d4bd10da41190f3cb15eee359819f5fd81fdff8895fdd32cf28091a43e566ef

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

            158KB

            MD5

            fbb7da7e77bb8bd635e12d6c4c40b01c

            SHA1

            c9b2f9755c71591aa549195a058fcf575be87903

            SHA256

            96c5503248635d1e614a01c4eb6884fbbb1fc6dd6c8ffeb30fb480d2c69db2d8

            SHA512

            fcef57c81dff0f75e6bbb411c67c86ed36c433c21c92ae6eeb3fc116894e452a9356a50e39c24dac334d807de2f21df036b46d4e8463ed58e2137f6664ab0c71

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

            158KB

            MD5

            fbb7da7e77bb8bd635e12d6c4c40b01c

            SHA1

            c9b2f9755c71591aa549195a058fcf575be87903

            SHA256

            96c5503248635d1e614a01c4eb6884fbbb1fc6dd6c8ffeb30fb480d2c69db2d8

            SHA512

            fcef57c81dff0f75e6bbb411c67c86ed36c433c21c92ae6eeb3fc116894e452a9356a50e39c24dac334d807de2f21df036b46d4e8463ed58e2137f6664ab0c71

          • \Users\Admin\AppData\Local\Temp\nseD55C.tmp\System.dll
            Filesize

            11KB

            MD5

            c17103ae9072a06da581dec998343fc1

            SHA1

            b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

            SHA256

            dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

            SHA512

            d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

          • \Users\Admin\AppData\Local\Temp\nseD55C.tmp\nsExec.dll
            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • \Users\Admin\AppData\Local\Temp\nseD55C.tmp\nsExec.dll
            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • \Users\Admin\AppData\Local\Temp\nseD55C.tmp\nsExec.dll
            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • \Users\Admin\AppData\Local\Temp\nseD55C.tmp\nsExec.dll
            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • \Windows\SysWOW64\hfnapi.dll
            Filesize

            106KB

            MD5

            1fa683d481c63fd05abf05f1f4987dd9

            SHA1

            4b320b9cfe4a124af5f5078654d3d79748f33ba4

            SHA256

            c71559b83c338fe364f073438bf2f3db4be90db64cf47aea94ef6a5ddf07ac71

            SHA512

            4fdffaacc68c6523629b74ac95199ff3ad2195fa3c90d435a803b40747374409e98eb1f82ceb448c7c2f0d7e08970dc306a7c18ac3aa1fda9565b3e70bb24162

          • \Windows\SysWOW64\hfnapi.dll
            Filesize

            106KB

            MD5

            1fa683d481c63fd05abf05f1f4987dd9

            SHA1

            4b320b9cfe4a124af5f5078654d3d79748f33ba4

            SHA256

            c71559b83c338fe364f073438bf2f3db4be90db64cf47aea94ef6a5ddf07ac71

            SHA512

            4fdffaacc68c6523629b74ac95199ff3ad2195fa3c90d435a803b40747374409e98eb1f82ceb448c7c2f0d7e08970dc306a7c18ac3aa1fda9565b3e70bb24162

          • \Windows\SysWOW64\hfnapi.dll
            Filesize

            106KB

            MD5

            1fa683d481c63fd05abf05f1f4987dd9

            SHA1

            4b320b9cfe4a124af5f5078654d3d79748f33ba4

            SHA256

            c71559b83c338fe364f073438bf2f3db4be90db64cf47aea94ef6a5ddf07ac71

            SHA512

            4fdffaacc68c6523629b74ac95199ff3ad2195fa3c90d435a803b40747374409e98eb1f82ceb448c7c2f0d7e08970dc306a7c18ac3aa1fda9565b3e70bb24162

          • \Windows\SysWOW64\hfpapi.dll
            Filesize

            244KB

            MD5

            6d89fd5a1cb724185909e43e7129ab16

            SHA1

            2601cfd5da3de71684ad77c926a8a1431c92983c

            SHA256

            09f5c05992251c83b54bfc06f0de9a5379e7d482a7d8b653c7cf4ca41f02f82b

            SHA512

            4e67a0cd2e3f24969e1c15d8ff4d4f4092f6f969f2b198c03eed43d72ec5aaaa5f5c0c26bb06a8d5c9cea25a90f24c6da1bc29858a0dec2e949ed2a2d0366fee

          • \Windows\SysWOW64\hfpapi.dll
            Filesize

            244KB

            MD5

            6d89fd5a1cb724185909e43e7129ab16

            SHA1

            2601cfd5da3de71684ad77c926a8a1431c92983c

            SHA256

            09f5c05992251c83b54bfc06f0de9a5379e7d482a7d8b653c7cf4ca41f02f82b

            SHA512

            4e67a0cd2e3f24969e1c15d8ff4d4f4092f6f969f2b198c03eed43d72ec5aaaa5f5c0c26bb06a8d5c9cea25a90f24c6da1bc29858a0dec2e949ed2a2d0366fee

          • \Windows\SysWOW64\installd.exe
            Filesize

            108KB

            MD5

            7f53de63f4207b0a9e3765d6e53dfa71

            SHA1

            a8684a6b1e6c82d697a93bd05eceffef4c423ebe

            SHA256

            da437871ed28e7a89e89fa9fec5b6fe1ac786d889794794843d37419f4c3b0c9

            SHA512

            6b51d2816ba2d448f07e29cf9cd4fc061ce7c0078446f30a7f9d65b569eb1c5cd6cffed55ca3e1122fd2eff24e8dfb11a1523418f2980c3c80a6d2d43011ac23

          • \Windows\SysWOW64\nethtsrv.exe
            Filesize

            176KB

            MD5

            d49d4021076fa9b82e8f37a42e04fdec

            SHA1

            12e6f5a4db6707c423f178f61919b3c352cbd45f

            SHA256

            f61037285398959755af838cc951171bb312de2308d4318da7e9a2ae1f9caded

            SHA512

            2ba6dfcbf33d60b7072e459a5551a52f22a8795c6081780a698952c905a9b0e84d4bd10da41190f3cb15eee359819f5fd81fdff8895fdd32cf28091a43e566ef

          • \Windows\SysWOW64\netupdsrv.exe
            Filesize

            158KB

            MD5

            fbb7da7e77bb8bd635e12d6c4c40b01c

            SHA1

            c9b2f9755c71591aa549195a058fcf575be87903

            SHA256

            96c5503248635d1e614a01c4eb6884fbbb1fc6dd6c8ffeb30fb480d2c69db2d8

            SHA512

            fcef57c81dff0f75e6bbb411c67c86ed36c433c21c92ae6eeb3fc116894e452a9356a50e39c24dac334d807de2f21df036b46d4e8463ed58e2137f6664ab0c71

          • memory/436-87-0x0000000000000000-mapping.dmp
          • memory/484-58-0x0000000000000000-mapping.dmp
          • memory/584-60-0x0000000000000000-mapping.dmp
          • memory/604-77-0x0000000000000000-mapping.dmp
          • memory/748-71-0x0000000000000000-mapping.dmp
          • memory/860-57-0x0000000000000000-mapping.dmp
          • memory/1496-61-0x0000000000000000-mapping.dmp
          • memory/1536-54-0x00000000764C1000-0x00000000764C3000-memory.dmp
            Filesize

            8KB

          • memory/1536-63-0x0000000000360000-0x00000000007BE000-memory.dmp
            Filesize

            4.4MB

          • memory/1536-62-0x0000000000360000-0x00000000007BE000-memory.dmp
            Filesize

            4.4MB

          • memory/1536-91-0x0000000000360000-0x00000000007BE000-memory.dmp
            Filesize

            4.4MB

          • memory/1636-82-0x0000000000000000-mapping.dmp
          • memory/1844-81-0x0000000000000000-mapping.dmp
          • memory/1928-65-0x0000000000000000-mapping.dmp
          • memory/2024-88-0x0000000000000000-mapping.dmp