Analysis

  • max time kernel
    142s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    15/05/2024, 11:00

General

  • Target

    cc9f609742cf713f33b62b4671c46ad0_NeikiAnalytics.exe

  • Size

    86KB

  • MD5

    cc9f609742cf713f33b62b4671c46ad0

  • SHA1

    a673ca4ad193e51f602fa06e63a4489bb088d867

  • SHA256

    276d8a997289099d704a5ce94f749e743fd1cc94d8757230378156a7e1119d42

  • SHA512

    1d9c9de4ec9794dc52bb31d3786225affa8b39bbc537a4f4d6ffa97e18d529e0a7cc9d627dee658af4083e866eb401f0b3165c70f3347bddfccdf7c84e23af6d

  • SSDEEP

    1536:1MIPgEm56wnbkKC2ZyBJU066lwLCRVEB+nR/y8cmNrEIviCOzuajkrDl9HNS7:11PgEOng1d66jRVa+n4NmNNouukrD7Hw

Malware Config

Signatures

  • Blocklisted process makes network request 10 IoCs
  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 3 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • UPX packed file 6 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • 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.

  • Kills process with taskkill 1 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 23 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cc9f609742cf713f33b62b4671c46ad0_NeikiAnalytics.exe
    "C:\Users\Admin\AppData\Local\Temp\cc9f609742cf713f33b62b4671c46ad0_NeikiAnalytics.exe"
    1⤵
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2220
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\dayxkyh.exe "C:\Users\Admin\AppData\Local\Temp\cc9f609742cf713f33b62b4671c46ad0_NeikiAnalytics.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2404
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1 -n 2
        3⤵
        • Runs ping.exe
        PID:1856
      • C:\Users\Admin\AppData\Local\Temp\dayxkyh.exe
        C:\Users\Admin\AppData\Local\Temp\\dayxkyh.exe "C:\Users\Admin\AppData\Local\Temp\cc9f609742cf713f33b62b4671c46ad0_NeikiAnalytics.exe"
        3⤵
        • Deletes itself
        • Executes dropped EXE
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2860
        • \??\c:\windows\SysWOW64\rundll32.exe
          c:\windows\system32\rundll32.exe "c:\nvgrhmdyb\buptq.utb",crc32 C:\Users\Admin\AppData\Local\Temp\dayxkyh.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
          • Suspicious use of WriteProcessMemory
          PID:2540
          • \??\c:\windows\SysWOW64\taskkill.exe
            taskkill /f /im attrib.exe
            5⤵
            • Kills process with taskkill
            • Suspicious use of AdjustPrivilegeToken
            PID:2588

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • \??\c:\nvgrhmdyb\buptq.utb

          Filesize

          57KB

          MD5

          2f53f49e01f09d6e6064871eec1955cd

          SHA1

          a6e1a6e5c2080d0fb2f7a872e3902a8a4a1a9b5f

          SHA256

          964e4dd2532d540bb61d3c7ccc833f2358d8cd6b2eabc3a2d51183a18b59f82d

          SHA512

          2cb98030c3df7417c04f796f78f23f96d381871d9c7ae4a14116764e915b2e2f56b9b3a6fb76fedc50a17788de9538fc7954a7b73bf17e4be43e1fc1a06bc218

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

          Filesize

          86KB

          MD5

          6ac0ce90d95e2def41ff4076bcad3cbe

          SHA1

          1cbc57733b53ac64b660ad2d092445ec3e411043

          SHA256

          321d9ff56c8970a45e6a82542c49be7234201887943bc6363c3be572e34b63d4

          SHA512

          1281d517646d7529c1768eaa80ebfb7c97b93299940ddcd72807fc96650fa542165f904bd4b188336d8f0d1a75f70e31d94abd9e0a1b85fe913f87eda29493c7

        • memory/2220-1-0x00000000002F0000-0x00000000002F1000-memory.dmp

          Filesize

          4KB

        • memory/2220-3-0x0000000000400000-0x0000000000428000-memory.dmp

          Filesize

          160KB

        • memory/2220-0-0x0000000000400000-0x0000000000428000-memory.dmp

          Filesize

          160KB

        • memory/2404-8-0x0000000000170000-0x0000000000198000-memory.dmp

          Filesize

          160KB

        • memory/2540-15-0x0000000010000000-0x0000000010022000-memory.dmp

          Filesize

          136KB

        • memory/2540-14-0x0000000010000000-0x0000000010022000-memory.dmp

          Filesize

          136KB

        • memory/2540-19-0x0000000010000000-0x0000000010022000-memory.dmp

          Filesize

          136KB

        • memory/2540-20-0x0000000010000000-0x0000000010022000-memory.dmp

          Filesize

          136KB

        • memory/2540-21-0x0000000010000000-0x0000000010022000-memory.dmp

          Filesize

          136KB

        • memory/2860-11-0x0000000000400000-0x0000000000428000-memory.dmp

          Filesize

          160KB

        • memory/2860-9-0x00000000003A0000-0x00000000003A1000-memory.dmp

          Filesize

          4KB