Analysis

  • max time kernel
    142s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20240419-en
  • resource tags

    arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
  • submitted
    14-05-2024 16:10

General

  • Target

    cd6a3f2c81f7084a9d7f37f71c448130_NeikiAnalytics.exe

  • Size

    89KB

  • MD5

    cd6a3f2c81f7084a9d7f37f71c448130

  • SHA1

    5c58c6d44ce4786bf4054d3fbd6d12f8323ea4cf

  • SHA256

    6ce42920ed5a0cda8696c456bc02f710e301436eb6fc2fec05652c01a45888d7

  • SHA512

    0cea33071f372586c12f9924d596ae3036f72a3dc55f61c49f5902acbedfb8ac8fc63833d4593a355de638be25b01daf9a3662ec8828200ac96ab121c6b55030

  • SSDEEP

    1536:1MIPgEm56wnbkKC2ZyBJU066lwLCRVEB+nR/y8cmNrEIviCOzuajkrDl9HNSip:11PgEOng1d66jRVa+n4NmNNouukrD7HV

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\cd6a3f2c81f7084a9d7f37f71c448130_NeikiAnalytics.exe
    "C:\Users\Admin\AppData\Local\Temp\cd6a3f2c81f7084a9d7f37f71c448130_NeikiAnalytics.exe"
    1⤵
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2444
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\smiedu.exe "C:\Users\Admin\AppData\Local\Temp\cd6a3f2c81f7084a9d7f37f71c448130_NeikiAnalytics.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2612
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1 -n 2
        3⤵
        • Runs ping.exe
        PID:2832
      • C:\Users\Admin\AppData\Local\Temp\smiedu.exe
        C:\Users\Admin\AppData\Local\Temp\\smiedu.exe "C:\Users\Admin\AppData\Local\Temp\cd6a3f2c81f7084a9d7f37f71c448130_NeikiAnalytics.exe"
        3⤵
        • Deletes itself
        • Executes dropped EXE
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2808
        • \??\c:\windows\SysWOW64\rundll32.exe
          c:\windows\system32\rundll32.exe "c:\qhehi\ymucm.mcy",crc32 C:\Users\Admin\AppData\Local\Temp\smiedu.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:2404
          • \??\c:\windows\SysWOW64\taskkill.exe
            taskkill /f /im attrib.exe
            5⤵
            • Kills process with taskkill
            • Suspicious use of AdjustPrivilegeToken
            PID:2888

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \??\c:\qhehi\ymucm.mcy

    Filesize

    57KB

    MD5

    2f53f49e01f09d6e6064871eec1955cd

    SHA1

    a6e1a6e5c2080d0fb2f7a872e3902a8a4a1a9b5f

    SHA256

    964e4dd2532d540bb61d3c7ccc833f2358d8cd6b2eabc3a2d51183a18b59f82d

    SHA512

    2cb98030c3df7417c04f796f78f23f96d381871d9c7ae4a14116764e915b2e2f56b9b3a6fb76fedc50a17788de9538fc7954a7b73bf17e4be43e1fc1a06bc218

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

    Filesize

    90KB

    MD5

    0b78b94620608c84399dc91928cc7ef8

    SHA1

    1cc22682ff67c06925dae3e23282b283a9d27d1d

    SHA256

    4ef3cf2a0c04a4246ce5011c145608a01cb0411e894d8127126827068df082fe

    SHA512

    ef00ace2fd8be6cdf771d0378dc728c51cefd4852188480fece35f08ca791c31ffe4566043af33198ccf764c589294111b82a8262d4188b89a4f4e4f943dc0a2

  • memory/2404-21-0x0000000010000000-0x0000000010022000-memory.dmp

    Filesize

    136KB

  • memory/2404-23-0x0000000010000000-0x0000000010022000-memory.dmp

    Filesize

    136KB

  • memory/2404-22-0x0000000010000000-0x0000000010022000-memory.dmp

    Filesize

    136KB

  • memory/2404-16-0x0000000010000000-0x0000000010022000-memory.dmp

    Filesize

    136KB

  • memory/2404-17-0x0000000010000000-0x0000000010022000-memory.dmp

    Filesize

    136KB

  • memory/2444-0-0x0000000000400000-0x0000000000428000-memory.dmp

    Filesize

    160KB

  • memory/2444-3-0x0000000000400000-0x0000000000428000-memory.dmp

    Filesize

    160KB

  • memory/2444-1-0x0000000000260000-0x0000000000261000-memory.dmp

    Filesize

    4KB

  • memory/2612-9-0x0000000000160000-0x0000000000188000-memory.dmp

    Filesize

    160KB

  • memory/2612-8-0x0000000000160000-0x0000000000188000-memory.dmp

    Filesize

    160KB

  • memory/2808-10-0x0000000000400000-0x0000000000428000-memory.dmp

    Filesize

    160KB

  • memory/2808-13-0x0000000000400000-0x0000000000428000-memory.dmp

    Filesize

    160KB

  • memory/2808-11-0x0000000000360000-0x0000000000361000-memory.dmp

    Filesize

    4KB