Windows 7 deprecation

Windows 7 will be removed from tria.ge on 2025-03-31

Analysis

  • max time kernel
    43s
  • max time network
    48s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    24/11/2022, 06:06

General

  • Target

    33fe7953342990332717f1c2638f671674efe06fa87c82b23cd9dbe748dd761c.exe

  • Size

    695KB

  • MD5

    c01b2331d81f793089fa4110135b259a

  • SHA1

    05f6cb409c02272d5e444d8981d90df53fff31e4

  • SHA256

    33fe7953342990332717f1c2638f671674efe06fa87c82b23cd9dbe748dd761c

  • SHA512

    64a79a34e545b69ee3584aa775264760575549b532a37668accaf2466552212ba260b876895299d09457b9d45e052e4fd1f47ec112f6b1a5a9d5c4b746b05df3

  • SSDEEP

    12288:dAbu3fQ+thk6Ez1bfbded3ANrKRejCbPNAKTZzI3sRCBKLLq8tIauQAQW:dAbuPPEzxfwxANeR3BAKTZzIczLLXIa

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\33fe7953342990332717f1c2638f671674efe06fa87c82b23cd9dbe748dd761c.exe
    "C:\Users\Admin\AppData\Local\Temp\33fe7953342990332717f1c2638f671674efe06fa87c82b23cd9dbe748dd761c.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:1228
    • C:\Windows\SysWOW64\net.exe
      net stop nethttpservice
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:952
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 stop nethttpservice
        3⤵
          PID:1332
      • C:\Windows\SysWOW64\net.exe
        net stop serviceupdater
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:804
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop serviceupdater
          3⤵
            PID:1776
        • C:\Windows\SysWOW64\installd.exe
          "C:\Windows\system32\installd.exe" nethfdrv
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:1880
        • C:\Windows\SysWOW64\nethtsrv.exe
          "C:\Windows\system32\nethtsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:1936
        • C:\Windows\SysWOW64\netupdsrv.exe
          "C:\Windows\system32\netupdsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          PID:1796
        • C:\Windows\SysWOW64\net.exe
          net start nethttpservice
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:240
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 start nethttpservice
            3⤵
              PID:1912
          • C:\Windows\SysWOW64\net.exe
            net start serviceupdater
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:1928
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 start serviceupdater
              3⤵
                PID:436
          • C:\Windows\SysWOW64\nethtsrv.exe
            C:\Windows\SysWOW64\nethtsrv.exe
            1⤵
            • Executes dropped EXE
            • Loads dropped DLL
            • Suspicious use of AdjustPrivilegeToken
            PID:1916
          • C:\Windows\SysWOW64\netupdsrv.exe
            C:\Windows\SysWOW64\netupdsrv.exe
            1⤵
            • Executes dropped EXE
            PID:800

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            a188d331d3ea510b235922705b815fc1

            SHA1

            bf38498d0846e58e6beb6a1185d7470db99ccbcd

            SHA256

            58a22c548ae75bd62d8cb0b8ccec15d2d700f7c498e936ab11f05be15c8085f4

            SHA512

            0172cdb4173766fefa0a7f8e463b83a808356fe050b8ace91755271f609a368191c4fd7205e846a64ba8b707e7f8a6c29001f933405f42357b008163c5955422

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            241KB

            MD5

            62ad02f938a051b0f9542fc878559ac9

            SHA1

            6c9016b50bc3a1efc362b67c8eea72bcc2c15c0d

            SHA256

            6291fac1e8956737d0c3e674210df7da3f040f03cb98cb3d496d9ae09b8c6ae6

            SHA512

            88b93e81ed7844fc017a17d03f0d1acbe55b869120b3b44f56de858ba517b574eaac134cbed09c631dd887a6744040c3f34c17ffe1268ab23eeee9c960df16c7

          • C:\Windows\SysWOW64\installd.exe

            Filesize

            108KB

            MD5

            8d54d8ccd425d7d5cf77f16e194fbdce

            SHA1

            9d4658da087d2f48f32e1a95fc884fdcc24c41f4

            SHA256

            0f9794c87ecbf3280bbf2a481e3c6a2e36472e8e8c8cff199bddb5b9c471fe6c

            SHA512

            d53e705a446ec256dfa3a639b0751479b547e50ff850e4efaba64c511f402680ab9b160e92c66f90fb309d4fa7adfc33d0e4f5161a8375418e062a91115fd66c

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            34245060ea7a0ab104c6991c255bf1e6

            SHA1

            150c5d450e672ead7d1cc69ced6cff823c1d8c65

            SHA256

            cbff07230beceb4bcb4183b98ef231b667f2a564b5fcc47244575567638a63d7

            SHA512

            eb4443b98f7300438311e919f92b3c7de3b49f41c5e51414bc96e7b7c6b74ddca1eb72f29bf25d1ccf0b56eff5f633a3c4a0c8df7670286732a60c0ebc55f596

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            34245060ea7a0ab104c6991c255bf1e6

            SHA1

            150c5d450e672ead7d1cc69ced6cff823c1d8c65

            SHA256

            cbff07230beceb4bcb4183b98ef231b667f2a564b5fcc47244575567638a63d7

            SHA512

            eb4443b98f7300438311e919f92b3c7de3b49f41c5e51414bc96e7b7c6b74ddca1eb72f29bf25d1ccf0b56eff5f633a3c4a0c8df7670286732a60c0ebc55f596

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            a8dfa2b47d63b9b0af8379f9b3a1bbec

            SHA1

            92de0d4d92ac7df3f9e28138d55fe0d662eecdbd

            SHA256

            52b4e64c1c690418f3b08be15010fd34d99bd28aff65c0c79dd405844681aa87

            SHA512

            2135de83587a0594d208978094fbd546f37d9f084a5ad90eb00624fbd0d029cce8fe13033b46f09324ac087743f3a06acb4aad12e005496974a1039b7291975a

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            a8dfa2b47d63b9b0af8379f9b3a1bbec

            SHA1

            92de0d4d92ac7df3f9e28138d55fe0d662eecdbd

            SHA256

            52b4e64c1c690418f3b08be15010fd34d99bd28aff65c0c79dd405844681aa87

            SHA512

            2135de83587a0594d208978094fbd546f37d9f084a5ad90eb00624fbd0d029cce8fe13033b46f09324ac087743f3a06acb4aad12e005496974a1039b7291975a

          • \Users\Admin\AppData\Local\Temp\nsj2C13.tmp\System.dll

            Filesize

            11KB

            MD5

            c17103ae9072a06da581dec998343fc1

            SHA1

            b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

            SHA256

            dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

            SHA512

            d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

          • \Users\Admin\AppData\Local\Temp\nsj2C13.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • \Users\Admin\AppData\Local\Temp\nsj2C13.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • \Users\Admin\AppData\Local\Temp\nsj2C13.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • \Users\Admin\AppData\Local\Temp\nsj2C13.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • \Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            a188d331d3ea510b235922705b815fc1

            SHA1

            bf38498d0846e58e6beb6a1185d7470db99ccbcd

            SHA256

            58a22c548ae75bd62d8cb0b8ccec15d2d700f7c498e936ab11f05be15c8085f4

            SHA512

            0172cdb4173766fefa0a7f8e463b83a808356fe050b8ace91755271f609a368191c4fd7205e846a64ba8b707e7f8a6c29001f933405f42357b008163c5955422

          • \Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            a188d331d3ea510b235922705b815fc1

            SHA1

            bf38498d0846e58e6beb6a1185d7470db99ccbcd

            SHA256

            58a22c548ae75bd62d8cb0b8ccec15d2d700f7c498e936ab11f05be15c8085f4

            SHA512

            0172cdb4173766fefa0a7f8e463b83a808356fe050b8ace91755271f609a368191c4fd7205e846a64ba8b707e7f8a6c29001f933405f42357b008163c5955422

          • \Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            a188d331d3ea510b235922705b815fc1

            SHA1

            bf38498d0846e58e6beb6a1185d7470db99ccbcd

            SHA256

            58a22c548ae75bd62d8cb0b8ccec15d2d700f7c498e936ab11f05be15c8085f4

            SHA512

            0172cdb4173766fefa0a7f8e463b83a808356fe050b8ace91755271f609a368191c4fd7205e846a64ba8b707e7f8a6c29001f933405f42357b008163c5955422

          • \Windows\SysWOW64\hfpapi.dll

            Filesize

            241KB

            MD5

            62ad02f938a051b0f9542fc878559ac9

            SHA1

            6c9016b50bc3a1efc362b67c8eea72bcc2c15c0d

            SHA256

            6291fac1e8956737d0c3e674210df7da3f040f03cb98cb3d496d9ae09b8c6ae6

            SHA512

            88b93e81ed7844fc017a17d03f0d1acbe55b869120b3b44f56de858ba517b574eaac134cbed09c631dd887a6744040c3f34c17ffe1268ab23eeee9c960df16c7

          • \Windows\SysWOW64\hfpapi.dll

            Filesize

            241KB

            MD5

            62ad02f938a051b0f9542fc878559ac9

            SHA1

            6c9016b50bc3a1efc362b67c8eea72bcc2c15c0d

            SHA256

            6291fac1e8956737d0c3e674210df7da3f040f03cb98cb3d496d9ae09b8c6ae6

            SHA512

            88b93e81ed7844fc017a17d03f0d1acbe55b869120b3b44f56de858ba517b574eaac134cbed09c631dd887a6744040c3f34c17ffe1268ab23eeee9c960df16c7

          • \Windows\SysWOW64\installd.exe

            Filesize

            108KB

            MD5

            8d54d8ccd425d7d5cf77f16e194fbdce

            SHA1

            9d4658da087d2f48f32e1a95fc884fdcc24c41f4

            SHA256

            0f9794c87ecbf3280bbf2a481e3c6a2e36472e8e8c8cff199bddb5b9c471fe6c

            SHA512

            d53e705a446ec256dfa3a639b0751479b547e50ff850e4efaba64c511f402680ab9b160e92c66f90fb309d4fa7adfc33d0e4f5161a8375418e062a91115fd66c

          • \Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            34245060ea7a0ab104c6991c255bf1e6

            SHA1

            150c5d450e672ead7d1cc69ced6cff823c1d8c65

            SHA256

            cbff07230beceb4bcb4183b98ef231b667f2a564b5fcc47244575567638a63d7

            SHA512

            eb4443b98f7300438311e919f92b3c7de3b49f41c5e51414bc96e7b7c6b74ddca1eb72f29bf25d1ccf0b56eff5f633a3c4a0c8df7670286732a60c0ebc55f596

          • \Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            a8dfa2b47d63b9b0af8379f9b3a1bbec

            SHA1

            92de0d4d92ac7df3f9e28138d55fe0d662eecdbd

            SHA256

            52b4e64c1c690418f3b08be15010fd34d99bd28aff65c0c79dd405844681aa87

            SHA512

            2135de83587a0594d208978094fbd546f37d9f084a5ad90eb00624fbd0d029cce8fe13033b46f09324ac087743f3a06acb4aad12e005496974a1039b7291975a

          • memory/1228-90-0x0000000000340000-0x00000000007BE000-memory.dmp

            Filesize

            4.5MB

          • memory/1228-54-0x0000000075A11000-0x0000000075A13000-memory.dmp

            Filesize

            8KB

          • memory/1228-62-0x0000000000340000-0x00000000007BE000-memory.dmp

            Filesize

            4.5MB