Analysis

  • max time kernel
    149s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21/05/2024, 11:14

General

  • Target
    3dbda0a2b8d764c9f833dc980a6739e0003c05ae96eeafa32c9af9ecaba09944_NeikiAnalytics.exe
  • Size 140KB
  • Sample240521-nb7ttsbe6s
  • SHA256 3dbda0a2b8d764c9f833dc980a6739e0003c05ae96eeafa32c9af9ecaba09944
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 8 IoCs
  • Modifies visibility of file extensions in Explorer 2 TTPs 4 IoCs
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 4 IoCs
  • Disables RegEdit via registry modification 4 IoCs
  • Sets file execution options in registry 2 TTPs 16 IoCs
  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops startup file 5 IoCs
  • Executes dropped EXE 4 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.

  • UPX packed file 3 IoCs

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

  • Adds Run key to start application 2 TTPs 8 IoCs
  • Enumerates connected drives 3 TTPs 64 IoCs

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

  • Drops file in System32 directory 32 IoCs
  • Drops file in Program Files directory 28 IoCs
  • Drops file in Windows directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Modifies registry class 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3dbda0a2b8d764c9f833dc980a6739e0003c05ae96eeafa32c9af9ecaba09944_NeikiAnalytics.exe
    "C:\Users\Admin\AppData\Local\Temp\3dbda0a2b8d764c9f833dc980a6739e0003c05ae96eeafa32c9af9ecaba09944_NeikiAnalytics.exe"
    1⤵
    • Checks computer location settings
    • Drops startup file
    • Loads dropped DLL
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4784
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\O85858Z\service.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\O85858Z\service.exe"
      2⤵
      • Modifies WinLogon for persistence
      • Modifies visibility of file extensions in Explorer
      • Modifies visiblity of hidden/system files in Explorer
      • Disables RegEdit via registry modification
      • Sets file execution options in registry
      • Drops startup file
      • Executes dropped EXE
      • Adds Run key to start application
      • Enumerates connected drives
      • Drops file in System32 directory
      • Drops file in Program Files directory
      • Drops file in Windows directory
      • Modifies registry class
      • Suspicious use of SetWindowsHookEx
      PID:1508
    • C:\Windows\M57051\smss.exe
      "C:\Windows\M57051\smss.exe"
      2⤵
      • Modifies WinLogon for persistence
      • Modifies visibility of file extensions in Explorer
      • Modifies visiblity of hidden/system files in Explorer
      • Disables RegEdit via registry modification
      • Sets file execution options in registry
      • Drops startup file
      • Executes dropped EXE
      • Adds Run key to start application
      • Enumerates connected drives
      • Drops file in System32 directory
      • Drops file in Windows directory
      • Modifies registry class
      • Suspicious use of SetWindowsHookEx
      PID:2996
    • C:\Windows\M57051\EmangEloh.exe
      "C:\Windows\M57051\EmangEloh.exe"
      2⤵
      • Modifies WinLogon for persistence
      • Modifies visibility of file extensions in Explorer
      • Modifies visiblity of hidden/system files in Explorer
      • Disables RegEdit via registry modification
      • Sets file execution options in registry
      • Drops startup file
      • Executes dropped EXE
      • Adds Run key to start application
      • Enumerates connected drives
      • Drops file in System32 directory
      • Drops file in Windows directory
      • Modifies registry class
      • Suspicious use of SetWindowsHookEx
      PID:1476
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\O85858Z\winlogon.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\O85858Z\winlogon.exe"
      2⤵
      • Modifies WinLogon for persistence
      • Modifies visibility of file extensions in Explorer
      • Modifies visiblity of hidden/system files in Explorer
      • Disables RegEdit via registry modification
      • Sets file execution options in registry
      • Drops startup file
      • Executes dropped EXE
      • Adds Run key to start application
      • Enumerates connected drives
      • Drops file in System32 directory
      • Drops file in Windows directory
      • Modifies registry class
      • Suspicious use of SetWindowsHookEx
      PID:3632

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        symsrv.dll

        • Path C:\Program Files\Common Files\System\symsrv.dll
        • Size 67KB
        • SHA256 de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085
        • MD5 SHA1 SHA512 SSDEEP

        service.exe

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\O85858Z\service.exe
        • Size 64KB
        • SHA256 11f04f6be74a26bf5612fe4fedbf220c262cc42450cbddeecd1ca60c1169fd86
        • MD5 SHA1 SHA512 SSDEEP

        Z338508cie.cmd

        • Path C:\Windows\SysWOW64\X73556go\Z338508cie.cmd
        • Size 64KB
        • SHA256 de2f256064a0af797747c2b97505dc0b9f3df0de4f489eac731c23ae9ca9cc31
        • MD5 SHA1 SHA512 SSDEEP

        [TheMoonlight].txt

        • Path C:\Windows\[TheMoonlight].txt
        • Size 109B
        • SHA256 883b19ec550f7ddb1e274a83d58d66c771ab10fefd136bab79483f2eb84e7fec
        • MD5 SHA1 SHA512

        msvbvm60.dll

        • Path C:\Windows\system\msvbvm60.dll
        • Size 1.4MB
        • SHA256 898288bd3b21d0e7d5f406df2e0b69a5bbfa4f241baf29a2cdf8a3cf4d4619f2
        • MD5 SHA1 SHA512 SSDEEP

        memory/1476-280-0x0000000000400000-0x000000000041C000-memory.dmp

        memory/1476-256-0x0000000000400000-0x000000000041C000-memory.dmp

        memory/1476-247-0x0000000000400000-0x000000000041C000-memory.dmp

        memory/1476-240-0x0000000000400000-0x000000000041C000-memory.dmp

        memory/1476-292-0x0000000000400000-0x000000000041C000-memory.dmp

        memory/1508-238-0x0000000000400000-0x000000000041C000-memory.dmp

        memory/1508-243-0x0000000000400000-0x000000000041C000-memory.dmp

        memory/1508-60-0x0000000000400000-0x000000000041C000-memory.dmp

        memory/1508-254-0x0000000000400000-0x000000000041C000-memory.dmp

        memory/1508-242-0x0000000000400000-0x000000000041C000-memory.dmp

        memory/1508-250-0x0000000000400000-0x000000000041C000-memory.dmp

        memory/2996-239-0x0000000000400000-0x000000000041C000-memory.dmp

        memory/2996-291-0x0000000000400000-0x000000000041C000-memory.dmp

        memory/2996-283-0x0000000000400000-0x000000000041C000-memory.dmp

        memory/2996-244-0x0000000000400000-0x000000000041C000-memory.dmp

        memory/3632-277-0x0000000000400000-0x000000000041C000-memory.dmp

        memory/3632-273-0x0000000000400000-0x000000000041C000-memory.dmp

        memory/3632-253-0x0000000000400000-0x000000000041C000-memory.dmp

        memory/3632-241-0x0000000000400000-0x000000000041C000-memory.dmp

        memory/3632-297-0x0000000000400000-0x000000000041C000-memory.dmp

        memory/3632-257-0x0000000000400000-0x000000000041C000-memory.dmp

        memory/3632-261-0x0000000000400000-0x000000000041C000-memory.dmp

        memory/3632-265-0x0000000000400000-0x000000000041C000-memory.dmp

        memory/3632-269-0x0000000000400000-0x000000000041C000-memory.dmp

        memory/3632-246-0x0000000000400000-0x000000000041C000-memory.dmp

        memory/3632-293-0x0000000000400000-0x000000000041C000-memory.dmp

        memory/3632-289-0x0000000000400000-0x000000000041C000-memory.dmp

        memory/3632-281-0x0000000000400000-0x000000000041C000-memory.dmp

        memory/3632-285-0x0000000000400000-0x000000000041C000-memory.dmp

        memory/4784-9-0x0000000000400000-0x000000000041C000-memory.dmp

        memory/4784-143-0x0000000010000000-0x0000000010030000-memory.dmp

        memory/4784-6-0x0000000010000000-0x0000000010030000-memory.dmp

        memory/4784-0-0x0000000000400000-0x000000000041C000-memory.dmp

        memory/4784-5-0x0000000000401000-0x0000000000402000-memory.dmp

        memory/4784-142-0x0000000000400000-0x000000000041C000-memory.dmp