Analysis

  • max time kernel
    191s
  • max time network
    186s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-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
  • 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 4 IoCs
  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:2576
      • C:\Users\Admin\AppData\Local\Temp\09213b632e799f6d5d50bdf88166e8fe3b7d024419ff8ade380086a18dae1298.exe
        "C:\Users\Admin\AppData\Local\Temp\09213b632e799f6d5d50bdf88166e8fe3b7d024419ff8ade380086a18dae1298.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:4760
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:4780
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:4028
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a349D.bat
            3⤵
            • Suspicious use of WriteProcessMemory
            PID:1280
            • C:\Users\Admin\AppData\Local\Temp\09213b632e799f6d5d50bdf88166e8fe3b7d024419ff8ade380086a18dae1298.exe
              "C:\Users\Admin\AppData\Local\Temp\09213b632e799f6d5d50bdf88166e8fe3b7d024419ff8ade380086a18dae1298.exe"
              4⤵
              • Executes dropped EXE
              • Modifies Internet Explorer settings
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of SetWindowsHookEx
              PID:1728
          • 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:1460
            • C:\Windows\SysWOW64\net.exe
              net stop "Kingsoft AntiVirus Service"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:4300
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                5⤵
                  PID:3424
              • C:\Windows\SysWOW64\net.exe
                net stop "Kingsoft AntiVirus Service"
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:4356
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                  5⤵
                    PID:4724

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\$$a349D.bat

            Filesize

            722B

            MD5

            837ba5ee197bc6ac95e406e21cf58e87

            SHA1

            e02242fc4f8031f6ccdac4547af2bfb0264dc839

            SHA256

            59ba25478a4db6e43af365549b4c90386c99f9c527421cc9d0ed235b2371612f

            SHA512

            704b37cdfdf87bbbdda1b919fec8a94d3663cd2b9830e98672e9eabccc1f16dd76b2fb7fee72564810012263c89d9ac48a8f6e078122827d6f7757e64b547194

          • 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

          • memory/1460-151-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/1460-147-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/4760-133-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/4760-139-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB