Analysis

  • max time kernel
    150s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20231020-en
  • resource tags

    arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
  • submitted
    29/10/2023, 22:37

General

  • Target

    c824b9efae57fefb76dbc3fa2c5643670cc796f81ba72ba832485b2310f934ec.exe

  • Size

    73KB

  • MD5

    28fe22c05ac070edae12a5e1ea96ed26

  • SHA1

    2b752aa3964397ef2329a704bff80dc4c60bbf57

  • SHA256

    c824b9efae57fefb76dbc3fa2c5643670cc796f81ba72ba832485b2310f934ec

  • SHA512

    2a22b37eb1c2c4bcc0d9114174a7ba6d6e77a9ae1c69c8d6f940bca85a9125f287be791b4e9a174970f3ae0cb3f498f744f31904af605acf62c02640af024b91

  • SSDEEP

    1536:PfgLdQAQfcfymNDwewCzebOInd4qfymD8xQUf:PftffjmNDwMeb4mD8

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 1 IoCs
  • Enumerates connected drives 3 TTPs 21 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 4 IoCs
  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1264
      • C:\Users\Admin\AppData\Local\Temp\c824b9efae57fefb76dbc3fa2c5643670cc796f81ba72ba832485b2310f934ec.exe
        "C:\Users\Admin\AppData\Local\Temp\c824b9efae57fefb76dbc3fa2c5643670cc796f81ba72ba832485b2310f934ec.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:1952
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c C:\Users\Admin\AppData\Local\Temp\$$a5522.bat
          3⤵
          • Deletes itself
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:480
          • C:\Users\Admin\AppData\Local\Temp\c824b9efae57fefb76dbc3fa2c5643670cc796f81ba72ba832485b2310f934ec.exe
            "C:\Users\Admin\AppData\Local\Temp\c824b9efae57fefb76dbc3fa2c5643670cc796f81ba72ba832485b2310f934ec.exe"
            4⤵
            • Executes dropped EXE
            PID:2748
        • C:\Windows\Logo1_.exe
          C:\Windows\Logo1_.exe
          3⤵
          • Executes dropped EXE
          • Enumerates connected drives
          • Drops file in Program Files directory
          • Drops file in Windows directory
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:2800
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:2628
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
                PID:2644

      Network

            MITRE ATT&CK Enterprise v15

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            Downloads

            • C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateCore.exe

              Filesize

              251KB

              MD5

              832d0a50d0afc4d02e450a2864bc1292

              SHA1

              10777dda86a970c9aa39e95b7dd2b4cba48dc497

              SHA256

              4fd045265396cfbf2c824fbddb4405ed35dc1b2f5d6fa6112498776900978513

              SHA512

              83d1c2ba6199874ea9bb409a914bab0412a59ace2622014f6bf2c4767ba943a59e5cc09961ded8c4c8594062a1d85457649f33a7dd81d6c2b8674ecb1eeab0b7

            • C:\ProgramData\Package Cache\{ca67548a-5ebe-413a-b50c-4b9ceb6d66c6}\vcredist_x64.exe

              Filesize

              471KB

              MD5

              99ea9b604a7a734d3087fa6159684c42

              SHA1

              709fa1068ad4d560fe03e05b68056f1b0bedbfc8

              SHA256

              3f733f9e6fec7c4165ca8ba41eb23f604a248babe794c4ad2c6c3ce8032aab1c

              SHA512

              7af8008c7e187f925c62efc97e1891a7a38d089302dba39fbde137fb895e0592847ed0982c824c2075be8e6b95b6ce165ecb848ab85adf53779ebef613410fbb

            • C:\Users\Admin\AppData\Local\Temp\$$a5522.bat

              Filesize

              722B

              MD5

              fa20e29baf8982a4f0180dc53dc62f51

              SHA1

              f82f3c317487d52d98e2cb1504cbb4d8c2ddcbec

              SHA256

              2bb1ab72641b073158f9b50254e081fc6b07daa6facb74ef226af6eaa786a5bb

              SHA512

              14debf45264657db3d25ac1c324c5cc8f3c3b7b8aef04b657f5f56ba2e931745791a8a7b1bd083ca86fc22a14d72aedf76d94b3e5e0cf464768ad5f7c722b214

            • C:\Users\Admin\AppData\Local\Temp\$$a5522.bat

              Filesize

              722B

              MD5

              fa20e29baf8982a4f0180dc53dc62f51

              SHA1

              f82f3c317487d52d98e2cb1504cbb4d8c2ddcbec

              SHA256

              2bb1ab72641b073158f9b50254e081fc6b07daa6facb74ef226af6eaa786a5bb

              SHA512

              14debf45264657db3d25ac1c324c5cc8f3c3b7b8aef04b657f5f56ba2e931745791a8a7b1bd083ca86fc22a14d72aedf76d94b3e5e0cf464768ad5f7c722b214

            • C:\Users\Admin\AppData\Local\Temp\c824b9efae57fefb76dbc3fa2c5643670cc796f81ba72ba832485b2310f934ec.exe

              Filesize

              46KB

              MD5

              4e72b2688d56dbb4f910bfcfab3f14b2

              SHA1

              a5315cba1cfe117f078b3864ebea2a2c67d3d917

              SHA256

              5056f7ab6992658ca02ab06314b6ed59dbb10d5c90b529e9a626d34d8bf34e0f

              SHA512

              e4771f17ffda255a65381d96191077d4dcf13c17fc13e5eefc39ade8e0235e3956ce47c317354d0d56061119643a39425a942a19f6846d37b0525fddb1709d21

            • C:\Users\Admin\AppData\Local\Temp\c824b9efae57fefb76dbc3fa2c5643670cc796f81ba72ba832485b2310f934ec.exe.exe

              Filesize

              46KB

              MD5

              4e72b2688d56dbb4f910bfcfab3f14b2

              SHA1

              a5315cba1cfe117f078b3864ebea2a2c67d3d917

              SHA256

              5056f7ab6992658ca02ab06314b6ed59dbb10d5c90b529e9a626d34d8bf34e0f

              SHA512

              e4771f17ffda255a65381d96191077d4dcf13c17fc13e5eefc39ade8e0235e3956ce47c317354d0d56061119643a39425a942a19f6846d37b0525fddb1709d21

            • C:\Windows\Logo1_.exe

              Filesize

              26KB

              MD5

              0a2b391f78c278a94a6e20b5af2ae73f

              SHA1

              e76ac8e0b5dcc82718b198153003ed12797be1a5

              SHA256

              d5b0a11f0bd5b4f95f56de54e4e783f0bffa5e42d5e3877d40fc448061d19390

              SHA512

              21c16cdeb6d563a85ff28444d29b160b3ace46ad037e1a4311230b2433de4db3357760c889b93f11e5bd4307956e9c0fd3d47f83c7d2ba8f7df2ae7d932044be

            • C:\Windows\Logo1_.exe

              Filesize

              26KB

              MD5

              0a2b391f78c278a94a6e20b5af2ae73f

              SHA1

              e76ac8e0b5dcc82718b198153003ed12797be1a5

              SHA256

              d5b0a11f0bd5b4f95f56de54e4e783f0bffa5e42d5e3877d40fc448061d19390

              SHA512

              21c16cdeb6d563a85ff28444d29b160b3ace46ad037e1a4311230b2433de4db3357760c889b93f11e5bd4307956e9c0fd3d47f83c7d2ba8f7df2ae7d932044be

            • C:\Windows\Logo1_.exe

              Filesize

              26KB

              MD5

              0a2b391f78c278a94a6e20b5af2ae73f

              SHA1

              e76ac8e0b5dcc82718b198153003ed12797be1a5

              SHA256

              d5b0a11f0bd5b4f95f56de54e4e783f0bffa5e42d5e3877d40fc448061d19390

              SHA512

              21c16cdeb6d563a85ff28444d29b160b3ace46ad037e1a4311230b2433de4db3357760c889b93f11e5bd4307956e9c0fd3d47f83c7d2ba8f7df2ae7d932044be

            • C:\Windows\rundl132.exe

              Filesize

              26KB

              MD5

              0a2b391f78c278a94a6e20b5af2ae73f

              SHA1

              e76ac8e0b5dcc82718b198153003ed12797be1a5

              SHA256

              d5b0a11f0bd5b4f95f56de54e4e783f0bffa5e42d5e3877d40fc448061d19390

              SHA512

              21c16cdeb6d563a85ff28444d29b160b3ace46ad037e1a4311230b2433de4db3357760c889b93f11e5bd4307956e9c0fd3d47f83c7d2ba8f7df2ae7d932044be

            • F:\$RECYCLE.BIN\S-1-5-21-1154728922-3261336865-3456416385-1000\_desktop.ini

              Filesize

              10B

              MD5

              17de2acd7b02442c9cb0e8c0fccf8e96

              SHA1

              e062bd3af8ffe48988392987af8cbbddddffb804

              SHA256

              af7f402fe1458d28f48714376dd0e26175e667690e61b41c8bd0e61d818822d3

              SHA512

              e04d6d828edc3ef3443dfd40f72f76351bf981a16566cf0f31e60015f588440764461b52be088f549e8a2a6fa41370129e60d36b63b66f9a63c6df89f44fdbd8

            • \Users\Admin\AppData\Local\Temp\c824b9efae57fefb76dbc3fa2c5643670cc796f81ba72ba832485b2310f934ec.exe

              Filesize

              46KB

              MD5

              4e72b2688d56dbb4f910bfcfab3f14b2

              SHA1

              a5315cba1cfe117f078b3864ebea2a2c67d3d917

              SHA256

              5056f7ab6992658ca02ab06314b6ed59dbb10d5c90b529e9a626d34d8bf34e0f

              SHA512

              e4771f17ffda255a65381d96191077d4dcf13c17fc13e5eefc39ade8e0235e3956ce47c317354d0d56061119643a39425a942a19f6846d37b0525fddb1709d21

            • memory/1264-30-0x00000000025B0000-0x00000000025B1000-memory.dmp

              Filesize

              4KB

            • memory/1952-17-0x0000000000220000-0x0000000000254000-memory.dmp

              Filesize

              208KB

            • memory/1952-12-0x0000000000220000-0x0000000000254000-memory.dmp

              Filesize

              208KB

            • memory/1952-16-0x0000000000400000-0x0000000000434000-memory.dmp

              Filesize

              208KB

            • memory/1952-0-0x0000000000400000-0x0000000000434000-memory.dmp

              Filesize

              208KB

            • memory/2800-40-0x0000000000400000-0x0000000000434000-memory.dmp

              Filesize

              208KB

            • memory/2800-33-0x0000000000400000-0x0000000000434000-memory.dmp

              Filesize

              208KB

            • memory/2800-46-0x0000000000400000-0x0000000000434000-memory.dmp

              Filesize

              208KB

            • memory/2800-92-0x0000000000400000-0x0000000000434000-memory.dmp

              Filesize

              208KB

            • memory/2800-98-0x0000000000400000-0x0000000000434000-memory.dmp

              Filesize

              208KB

            • memory/2800-1850-0x0000000000400000-0x0000000000434000-memory.dmp

              Filesize

              208KB

            • memory/2800-32-0x0000000000400000-0x0000000000434000-memory.dmp

              Filesize

              208KB

            • memory/2800-3310-0x0000000000400000-0x0000000000434000-memory.dmp

              Filesize

              208KB

            • memory/2800-22-0x0000000000400000-0x0000000000434000-memory.dmp

              Filesize

              208KB