Analysis

  • max time kernel
    145s
  • max time network
    145s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    07/05/2024, 04:41

General

  • Target

    692ce1f8cb6f66d46bf5196bada8e8f0_NEAS.exe

  • Size

    72KB

  • MD5

    692ce1f8cb6f66d46bf5196bada8e8f0

  • SHA1

    c9458b3ed8876e209d882bb66e1f58db7ebfef38

  • SHA256

    b5ac65f16b86188e50a14c0853c2d395052d78ec2e6d3be4b13bddcc7d3fac24

  • SHA512

    e73c501c7bed11eb6da91bf7c59cd7ae412983401241e84fc9779e381da8ce7cd91f1febe25f25c511feb0a1bc8ea2238094deb710a59c15be2a6fdb566e158e

  • SSDEEP

    768:qGHV45EDE477AZbUJx0rZGE3jCELoiMMj6hZ3nE+EXVmkDbjRL8Khc15Z6J1Su:qG14P477AxUYrZGoC09k0SkTRHhWqP

Malware Config

Signatures

  • Blocklisted process makes network request 4 IoCs
  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 4 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 1 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

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

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\692ce1f8cb6f66d46bf5196bada8e8f0_NEAS.exe
    "C:\Users\Admin\AppData\Local\Temp\692ce1f8cb6f66d46bf5196bada8e8f0_NEAS.exe"
    1⤵
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:756
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c ping 127.0.0.1 -n 2&c:\qckno.exe "C:\Users\Admin\AppData\Local\Temp\692ce1f8cb6f66d46bf5196bada8e8f0_NEAS.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2356
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1 -n 2
        3⤵
        • Runs ping.exe
        PID:1768
      • \??\c:\qckno.exe
        c:\qckno.exe "C:\Users\Admin\AppData\Local\Temp\692ce1f8cb6f66d46bf5196bada8e8f0_NEAS.exe"
        3⤵
        • Deletes itself
        • Executes dropped EXE
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1648
        • \??\c:\windows\SysWOW64\rundll32.exe
          c:\windows\system32\rundll32.exe "c:\zodzf\hrpjlyy.dll",init c:\qckno.exe
          4⤵
          • Blocklisted process makes network request
          • Loads dropped DLL
          • Adds Run key to start application
          • Enumerates connected drives
          • Writes to the Master Boot Record (MBR)
          • Checks processor information in registry
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2632

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • \??\c:\qckno.exe

          Filesize

          72KB

          MD5

          f1d8a4bb28c5a9bd2d35fc52cc18f05c

          SHA1

          a9036a53fe85f67853bea72d00fefa22227b52e4

          SHA256

          cf266154c4c13d36666249231b4035235c344e7b08ecd128f97f06d8e8c372d6

          SHA512

          f68d7f5312769f3b20696895025eac8a056e80d661cbd215e8a9cde529a37d99f66891e3e0336ea8369b384ea92f24655a7d04552982b6ed816d96cec276c49e

        • \??\c:\zodzf\hrpjlyy.dll

          Filesize

          42KB

          MD5

          36e3fb5964d663272cf1169e1e1ca478

          SHA1

          58115e08b49505bcbbb5c88a28a86222ba18d5d4

          SHA256

          c7c41689de030df0f78f471422fa2a6383b36e77c94e7f6f124a96feb3e27ed7

          SHA512

          daff53b11aa400437a06287707a334a09661c1ef7d0fd8beaf1a874c79c16fe45bd1188343d0623e839d3ead5ea2dd90896e37ccf3b252c7220c74989a9ba442

        • memory/756-0-0x0000000000400000-0x0000000000425000-memory.dmp

          Filesize

          148KB

        • memory/756-1-0x0000000000320000-0x0000000000321000-memory.dmp

          Filesize

          4KB

        • memory/756-3-0x0000000000400000-0x0000000000425000-memory.dmp

          Filesize

          148KB

        • memory/1648-11-0x0000000000400000-0x0000000000425000-memory.dmp

          Filesize

          148KB

        • memory/1648-9-0x0000000000270000-0x0000000000271000-memory.dmp

          Filesize

          4KB

        • memory/1648-8-0x0000000000400000-0x0000000000425000-memory.dmp

          Filesize

          148KB

        • memory/2356-6-0x0000000000400000-0x0000000000425000-memory.dmp

          Filesize

          148KB

        • memory/2356-7-0x0000000000400000-0x0000000000425000-memory.dmp

          Filesize

          148KB

        • memory/2632-17-0x0000000010000000-0x000000001002E000-memory.dmp

          Filesize

          184KB

        • memory/2632-18-0x0000000010000000-0x000000001002E000-memory.dmp

          Filesize

          184KB

        • memory/2632-19-0x0000000010000000-0x000000001002E000-memory.dmp

          Filesize

          184KB

        • memory/2632-20-0x0000000010021000-0x0000000010022000-memory.dmp

          Filesize

          4KB

        • memory/2632-21-0x0000000010000000-0x000000001002E000-memory.dmp

          Filesize

          184KB

        • memory/2632-22-0x0000000010000000-0x000000001002E000-memory.dmp

          Filesize

          184KB