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Analysis

  • max time kernel
    150s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240611-en
  • resource tags

    arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
  • submitted
    16/06/2024, 04:54

General

  • Target

    d6c90c1edc7cda15eb6c7860ddf3e070_NeikiAnalytics.exe

  • Size

    196KB

  • MD5

    d6c90c1edc7cda15eb6c7860ddf3e070

  • SHA1

    c0f533eb923e8df3771d0821f8845c6c06c609bd

  • SHA256

    77f9e86a000454810dff45d4bb41781ca15e81b23042b153429c09094582b8d2

  • SHA512

    451752902edf9f0a46a8d8f82f15cf39ed411f7e5a8e55cd999b4f1bebdd4ee66e57c4ffec17ec8095dbad742274bd8a6859134b8368586901a2671dc678da67

  • SSDEEP

    3072:xW2YjwRu8geFoFGs5rIvj6LwXKda1+ZSEPCJNUY7f12gQmA5U6QIUMDTsn:xW2+wR3BkWv+3aY0xD54HMn

Malware Config

Signatures

  • Renames multiple (176) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

  • Drops file in Drivers directory 2 IoCs
  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 2 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 43 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1160
      • C:\Users\Admin\AppData\Local\Temp\d6c90c1edc7cda15eb6c7860ddf3e070_NeikiAnalytics.exe
        "C:\Users\Admin\AppData\Local\Temp\d6c90c1edc7cda15eb6c7860ddf3e070_NeikiAnalytics.exe"
        2⤵
        • Drops file in Drivers directory
        • Adds Run key to start application
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:2996
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:3016
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:3028
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c C:\Users\Admin\AppData\Local\Temp\$$a6587.bat
            3⤵
            • Deletes itself
            • Loads dropped DLL
            • Suspicious use of WriteProcessMemory
            PID:2692
            • C:\Users\Admin\AppData\Local\Temp\d6c90c1edc7cda15eb6c7860ddf3e070_NeikiAnalytics.exe
              "C:\Users\Admin\AppData\Local\Temp\d6c90c1edc7cda15eb6c7860ddf3e070_NeikiAnalytics.exe"
              4⤵
              • Executes dropped EXE
              PID:2856
          • C:\Windows\Logo1_.exe
            C:\Windows\Logo1_.exe
            3⤵
            • Drops file in Drivers directory
            • Executes dropped EXE
            • Adds Run key to start application
            • Enumerates connected drives
            • Drops file in Program Files directory
            • Drops file in Windows directory
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of WriteProcessMemory
            PID:2532
            • C:\Windows\SysWOW64\net.exe
              net stop "Kingsoft AntiVirus Service"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:2580
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                5⤵
                  PID:2632
              • C:\Windows\SysWOW64\net.exe
                net stop "Kingsoft AntiVirus Service"
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:2428
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                  5⤵
                    PID:2528

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\$$a6587.bat

            Filesize

            620B

            MD5

            45902c980ddad34a89b6003886a431da

            SHA1

            707ad03b84cc1a70867f5979590bfeafc8d83e1d

            SHA256

            76ba7d097ac97326643d5e51664b79b55759de0584d73c9dafb789ff98abea19

            SHA512

            f3be6be697d0453409600e766a7e66379157d0a3e1a59e0b7db807328093c97a3e7a2e99feb15bb6443dfb9ce3710382b403af9f5f205813c963992c3ba310f3

          • C:\Users\Admin\AppData\Local\Temp\d6c90c1edc7cda15eb6c7860ddf3e070_NeikiAnalytics.exe.exe

            Filesize

            132KB

            MD5

            81981e7a64e6414b121c4d2a77799ccd

            SHA1

            a810424978d5b9d9579554a325cc90d98b88d452

            SHA256

            c7c0e73e359b550b315299230d465a9107a27675a4fef2606e68c9687fe5e6af

            SHA512

            0de4ced9bc5c5105ef8836b6d51254626c26214d5d8da447415b2ca2cc6d0e9f870639e5ed60e57d85076c0eee43a8840338170e8d57178bc315e14731b7f308

          • C:\Windows\Logo1_.exe

            Filesize

            63KB

            MD5

            c5e93700c49bd09d83c67fd9afd7448c

            SHA1

            296be028a825b810fb6841abcd249d8f19a6a949

            SHA256

            bee18b931680370939385c304cc8bb49c5b3cefdeeb5ea4e2a3e77f08c9e8a8a

            SHA512

            0321abbf7d24b789282b48efdcd06eeae0f185602fd1324092ba192ad85eae5903451dd3ee69c823385ec7afe789b7c85bbf795049cab48a334e277b081f95b5

          • C:\Windows\system32\drivers\etc\hosts

            Filesize

            832B

            MD5

            7e3a0edd0c6cd8316f4b6c159d5167a1

            SHA1

            753428b4736ffb2c9e3eb50f89255b212768c55a

            SHA256

            1965854dfa54c72529c88c7d9f41fa31b4140cad04cf03d3f0f2e7601fcbdc6c

            SHA512

            9c68f7f72dfa109fcfba6472a1cced85bc6c2a5481232c6d1d039c88b2f65fb86070aeb26ac23e420c6255daca02ea6e698892f7670298d2c4f741b9e9415c7f

          • memory/1160-34-0x0000000002A90000-0x0000000002A91000-memory.dmp

            Filesize

            4KB

          • memory/2532-27-0x0000000000400000-0x0000000000440000-memory.dmp

            Filesize

            256KB

          • memory/2532-22-0x0000000000400000-0x0000000000440000-memory.dmp

            Filesize

            256KB

          • memory/2532-28-0x0000000000400000-0x0000000000440000-memory.dmp

            Filesize

            256KB

          • memory/2532-38-0x0000000000400000-0x0000000000440000-memory.dmp

            Filesize

            256KB

          • memory/2996-20-0x0000000000230000-0x0000000000270000-memory.dmp

            Filesize

            256KB

          • memory/2996-19-0x0000000000400000-0x0000000000440000-memory.dmp

            Filesize

            256KB

          • memory/2996-0-0x0000000000400000-0x0000000000440000-memory.dmp

            Filesize

            256KB

          • memory/2996-2-0x0000000000400000-0x0000000000440000-memory.dmp

            Filesize

            256KB

          • memory/2996-18-0x0000000000230000-0x0000000000270000-memory.dmp

            Filesize

            256KB

          • memory/2996-1-0x0000000000430000-0x0000000000431000-memory.dmp

            Filesize

            4KB