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Analysis

  • max time kernel
    187s
  • max time network
    179s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    20/10/2022, 10:25

General

  • Target

    09213b632e799f6d5d50bdf88166e8fe3b7d024419ff8ade380086a18dae1298.exe

  • Size

    353KB

  • MD5

    4520e4a0472fd6b07e1931365fec3300

  • SHA1

    5e1689f8a24efac98d8572b9a1e2e65cb27eaab7

  • SHA256

    09213b632e799f6d5d50bdf88166e8fe3b7d024419ff8ade380086a18dae1298

  • SHA512

    4fec7d879af4565fdc3b8e8a0f5c8f13001d0899d686fca3737c00e4a3767713b8d9d7ae10b832c3b88797f041690a1eae7ad8941e692c8aff359979622508ac

  • SSDEEP

    6144:ziCQriwXLNxiJvrf/5Wvsi94B3/2AcZLhFmfrgy9gJzC:ziCQriwb2JDfBWvsC4BP2AcZNFmfkzC

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Enumerates connected drives 3 TTPs 22 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
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Modifies Internet Explorer settings 1 TTPs 3 IoCs
  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 43 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\09213b632e799f6d5d50bdf88166e8fe3b7d024419ff8ade380086a18dae1298.exe
    "C:\Users\Admin\AppData\Local\Temp\09213b632e799f6d5d50bdf88166e8fe3b7d024419ff8ade380086a18dae1298.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1560
    • C:\Windows\SysWOW64\net.exe
      net stop "Kingsoft AntiVirus Service"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1296
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
        3⤵
          PID:1472
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c C:\Users\Admin\AppData\Local\Temp\$$a88D0.bat
        2⤵
        • Deletes itself
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:836
        • C:\Users\Admin\AppData\Local\Temp\09213b632e799f6d5d50bdf88166e8fe3b7d024419ff8ade380086a18dae1298.exe
          "C:\Users\Admin\AppData\Local\Temp\09213b632e799f6d5d50bdf88166e8fe3b7d024419ff8ade380086a18dae1298.exe"
          3⤵
          • Executes dropped EXE
          • Modifies Internet Explorer settings
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:1692
      • C:\Windows\Logo1_.exe
        C:\Windows\Logo1_.exe
        2⤵
        • 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:1200
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:1764
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:520
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            3⤵
            • Suspicious use of WriteProcessMemory
            PID:988
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              4⤵
                PID:636
        • C:\Windows\Explorer.EXE
          C:\Windows\Explorer.EXE
          1⤵
            PID:1404

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\$$a88D0.bat

            Filesize

            722B

            MD5

            cd79943a2ca6043384177b5c5dbb6b71

            SHA1

            464958b7fc13e1f53b027ca415261f669222d60a

            SHA256

            04b700ecfee608285839a6df978588ba6ab172a71e099738bd13d0b58d5135af

            SHA512

            af6c5f26db9bd0758b2711059609f67017cd47d3e45bb2c73d5e4527ccbb745a8150ee74480ae248b57cbdf09b0a7b166c81ac1f9647b8f9764eb93a6ab05b02

          • C:\Users\Admin\AppData\Local\Temp\09213b632e799f6d5d50bdf88166e8fe3b7d024419ff8ade380086a18dae1298.exe

            Filesize

            320KB

            MD5

            86d9b6ad25c5b50f8cf3db8210fbfcbf

            SHA1

            736a255ab7ea58c35d1786fa3a9ad066b792800f

            SHA256

            49d090390502743c497bfd74a80457844b074d7f800a6349c0e5e7611d1ea7d4

            SHA512

            f63246605bb825ef50b1ce6ce7a52d532cb00469beff4cee76ae5b19048db426cdbb1fafb5bd0175dfaffa3f50abf6c2597a79d23a05309fb43871e9c55f2ff2

          • C:\Users\Admin\AppData\Local\Temp\09213b632e799f6d5d50bdf88166e8fe3b7d024419ff8ade380086a18dae1298.exe.exe

            Filesize

            320KB

            MD5

            86d9b6ad25c5b50f8cf3db8210fbfcbf

            SHA1

            736a255ab7ea58c35d1786fa3a9ad066b792800f

            SHA256

            49d090390502743c497bfd74a80457844b074d7f800a6349c0e5e7611d1ea7d4

            SHA512

            f63246605bb825ef50b1ce6ce7a52d532cb00469beff4cee76ae5b19048db426cdbb1fafb5bd0175dfaffa3f50abf6c2597a79d23a05309fb43871e9c55f2ff2

          • C:\Windows\Logo1_.exe

            Filesize

            33KB

            MD5

            891a86f2f307de6abcae000aabd83f13

            SHA1

            2bc9b16b22ce5abb73f7702b1111d24c8356f668

            SHA256

            3aed10c7fdf3985cec5522d57ac6945f32afad1cdf47131adddd5edabe120c99

            SHA512

            9b27dd2a3458d2d225d679d7ce9179f7a8e8c3df5a13ddf7d804a5c87900569d982402eebb89c9a3a0738fe75633cbd0562f358815a7f6183113023a29f9708b

          • C:\Windows\Logo1_.exe

            Filesize

            33KB

            MD5

            891a86f2f307de6abcae000aabd83f13

            SHA1

            2bc9b16b22ce5abb73f7702b1111d24c8356f668

            SHA256

            3aed10c7fdf3985cec5522d57ac6945f32afad1cdf47131adddd5edabe120c99

            SHA512

            9b27dd2a3458d2d225d679d7ce9179f7a8e8c3df5a13ddf7d804a5c87900569d982402eebb89c9a3a0738fe75633cbd0562f358815a7f6183113023a29f9708b

          • C:\Windows\rundl132.exe

            Filesize

            33KB

            MD5

            891a86f2f307de6abcae000aabd83f13

            SHA1

            2bc9b16b22ce5abb73f7702b1111d24c8356f668

            SHA256

            3aed10c7fdf3985cec5522d57ac6945f32afad1cdf47131adddd5edabe120c99

            SHA512

            9b27dd2a3458d2d225d679d7ce9179f7a8e8c3df5a13ddf7d804a5c87900569d982402eebb89c9a3a0738fe75633cbd0562f358815a7f6183113023a29f9708b

          • \Users\Admin\AppData\Local\Temp\09213b632e799f6d5d50bdf88166e8fe3b7d024419ff8ade380086a18dae1298.exe

            Filesize

            320KB

            MD5

            86d9b6ad25c5b50f8cf3db8210fbfcbf

            SHA1

            736a255ab7ea58c35d1786fa3a9ad066b792800f

            SHA256

            49d090390502743c497bfd74a80457844b074d7f800a6349c0e5e7611d1ea7d4

            SHA512

            f63246605bb825ef50b1ce6ce7a52d532cb00469beff4cee76ae5b19048db426cdbb1fafb5bd0175dfaffa3f50abf6c2597a79d23a05309fb43871e9c55f2ff2

          • \Users\Admin\AppData\Local\Temp\09213b632e799f6d5d50bdf88166e8fe3b7d024419ff8ade380086a18dae1298.exe

            Filesize

            320KB

            MD5

            86d9b6ad25c5b50f8cf3db8210fbfcbf

            SHA1

            736a255ab7ea58c35d1786fa3a9ad066b792800f

            SHA256

            49d090390502743c497bfd74a80457844b074d7f800a6349c0e5e7611d1ea7d4

            SHA512

            f63246605bb825ef50b1ce6ce7a52d532cb00469beff4cee76ae5b19048db426cdbb1fafb5bd0175dfaffa3f50abf6c2597a79d23a05309fb43871e9c55f2ff2

          • memory/1200-71-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/1200-75-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/1560-56-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/1560-61-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/1692-70-0x00000000756B1000-0x00000000756B3000-memory.dmp

            Filesize

            8KB