Analysis

  • max time kernel
    143s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    08-05-2024 18:47

General

  • Target

    0e5276226b7f0b1c0f8234a9838b0480_NEIKI.exe

  • Size

    255KB

  • MD5

    0e5276226b7f0b1c0f8234a9838b0480

  • SHA1

    9adfe2cfa57e6cc1b419e3db1767fcc1b4b29782

  • SHA256

    08085a4a594ffbbc757b4b83e1ee4810d813d1e78189b08c10f25d33c49c5045

  • SHA512

    fcdc8d36d86b0e95f1e7a6678b0f3b162581e6f2cfbfc1a06a661721c61b9252c8ddacf2727b88b51e2ed700b7dea0c242026ecc4a3954b008720a1d0847aa3a

  • SSDEEP

    3072:MMDb50WrZa8jCgae5+VQkGdUQFDxePZ2SBaQJXkNRtXlNGKaUIQW/qlQBG3mmTJD:1xlZam+akqx6YQJXcNlEHUIQeE3mmBIq

Malware Config

Signatures

  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 5 IoCs
  • Disables RegEdit via registry modification 1 IoCs
  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 5 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 63 IoCs

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

  • Windows security modification 2 TTPs 6 IoCs
  • Adds Run key to start application 2 TTPs 3 IoCs
  • Enumerates connected drives 3 TTPs 64 IoCs

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

  • Modifies WinLogon 2 TTPs 2 IoCs
  • AutoIT Executable 53 IoCs

    AutoIT scripts compiled to PE executables.

  • Drops file in System32 directory 9 IoCs
  • Drops file in Program Files directory 14 IoCs
  • Drops file in Windows directory 5 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Office loads VBA resources, possible macro or embedded object present
  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of FindShellTrayWindow 18 IoCs
  • Suspicious use of SendNotifyMessage 18 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0e5276226b7f0b1c0f8234a9838b0480_NEIKI.exe
    "C:\Users\Admin\AppData\Local\Temp\0e5276226b7f0b1c0f8234a9838b0480_NEIKI.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in System32 directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:2988
    • C:\Windows\SysWOW64\rxrhhojrva.exe
      rxrhhojrva.exe
      2⤵
      • Modifies visibility of file extensions in Explorer
      • Modifies visiblity of hidden/system files in Explorer
      • Windows security bypass
      • Disables RegEdit via registry modification
      • Executes dropped EXE
      • Loads dropped DLL
      • Windows security modification
      • Enumerates connected drives
      • Modifies WinLogon
      • Drops file in System32 directory
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:2068
      • C:\Windows\SysWOW64\zeoylhsg.exe
        C:\Windows\system32\zeoylhsg.exe
        3⤵
        • Executes dropped EXE
        • Enumerates connected drives
        • Drops file in Program Files directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:2448
    • C:\Windows\SysWOW64\mjwteuireyshjla.exe
      mjwteuireyshjla.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2572
    • C:\Windows\SysWOW64\zeoylhsg.exe
      zeoylhsg.exe
      2⤵
      • Executes dropped EXE
      • Enumerates connected drives
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2632
    • C:\Windows\SysWOW64\jvxoabgvgiowf.exe
      jvxoabgvgiowf.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2624
    • C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
      "C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Windows\mydoc.rtf"
      2⤵
      • Drops file in Windows directory
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2540
      • C:\Windows\splwow64.exe
        C:\Windows\splwow64.exe 12288
        3⤵
          PID:1512

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Program Files (x86)\Microsoft Office\Office14\1033\PROTTPLV.DOC.exe

      Filesize

      255KB

      MD5

      d73d0ebc217027268ef14e575e4e2413

      SHA1

      9dfe9236ee0cf23627469f3b0ba2b8a6295580be

      SHA256

      aaa18d3ee735e3705b06f45f4a52d9c22630d17a172db56d2b9c425b92f13f81

      SHA512

      19bd03388ee202c27385d1414a55521e99301040019b0aeb66422d08ccea21ea1445215581940489653aa130c215cd36f2a500e1f22fdfd6045271891fb1e0ca

    • C:\Users\Admin\AppData\Roaming\Microsoft\Templates\Normal.dotm

      Filesize

      20KB

      MD5

      0a74b58e83bf74832863c2b1478d8a99

      SHA1

      aa9744931e08d4a61b4b45edb35a62f2af550c43

      SHA256

      bb6241a6474d22bdce53db4ff8136e6626699f370f5352ad3df2bdec7b60f5ef

      SHA512

      4413eeaeec0b23736497d21cc2582ab5fc955affbbef3229b3560e329410a0f5accf7c0cdccffc884ea3ba56f4ce6d7be5d26d4bb26e2d0f1f1d01bd9b404355

    • C:\Windows\SysWOW64\mjwteuireyshjla.exe

      Filesize

      255KB

      MD5

      0e5276226b7f0b1c0f8234a9838b0480

      SHA1

      9adfe2cfa57e6cc1b419e3db1767fcc1b4b29782

      SHA256

      08085a4a594ffbbc757b4b83e1ee4810d813d1e78189b08c10f25d33c49c5045

      SHA512

      fcdc8d36d86b0e95f1e7a6678b0f3b162581e6f2cfbfc1a06a661721c61b9252c8ddacf2727b88b51e2ed700b7dea0c242026ecc4a3954b008720a1d0847aa3a

    • C:\Windows\mydoc.rtf

      Filesize

      223B

      MD5

      06604e5941c126e2e7be02c5cd9f62ec

      SHA1

      4eb9fdf8ff4e1e539236002bd363b82c8f8930e1

      SHA256

      85f2405d1f67021a3206faa26f6887932fea71aea070df3efb2902902e2d03e2

      SHA512

      803f5f2fddbf29fef34de184eb35c2311b7a694740983ca10b54ef252dd26cda4987458d2569f441c6dedc3478bea12b45bfd3566f1b256504a0869ad3829df7

    • \Windows\SysWOW64\jvxoabgvgiowf.exe

      Filesize

      255KB

      MD5

      dab67863ee99047ef6da883018d4113c

      SHA1

      f4aabbd4cc2e83e03490cd487dbddd426c994906

      SHA256

      942c70ebb6d315ef87f693e43ac6830e03ded9323e6266d86e73ebd4e3cb53cd

      SHA512

      2ad42047179119eaf032bcb47698f3c6966123f411c55e172438920b9cf6c98fed9b0b8936b020f56c62bf4d03e5b1777657e2e2aa7887d0c9e689beb1ba14a2

    • \Windows\SysWOW64\mjwteuireyshjla.exe

      Filesize

      255KB

      MD5

      a2c4d3d482b4b1237460c90b8509b8fc

      SHA1

      87b3a9cff6f154acab91a673b11e78c0c0d474a6

      SHA256

      58ad0699e49f21a630f708e3e8c2ebcf96518f4a796c7e18930c323fc3ce4177

      SHA512

      0974fff0e81bbc2945fbc5b47579c8e74aecce03cc75794016a15695d6b9b96b9e678ae73b283b0b45502ec27eb88a2c23184d0aacab4d55bc4e3bbd92918ce4

    • \Windows\SysWOW64\rxrhhojrva.exe

      Filesize

      255KB

      MD5

      470a44fb00a6211795f3ab5410c1dfcb

      SHA1

      fdd651408a412ddaac67bb8954900904f08b68ca

      SHA256

      f78ba8463163cd087f202d6b8bd34dc36e96693010582146920d7a376635cac8

      SHA512

      883ad701c9c113684f965f561ed0cf7a148530c2740be0fc2886f40c0381e4dd714b5ffe4817cd2ddbd520dbd387cddff0fbc4528ea6b46c014cd5731cf1d4c4

    • \Windows\SysWOW64\zeoylhsg.exe

      Filesize

      255KB

      MD5

      6fb0efe0a2f66a0c8016a3a588115b81

      SHA1

      939c96dafb565c86761d15b0280a341d62c722dc

      SHA256

      0724e4b865f8c4a9ec404ed50e20519f42addb6e7dd15d1de1b15eb0ae261ad8

      SHA512

      002ad8387de831dd14fb71334a4d9f88f56445c2385d1bb1e425fe29ca1ae4760d869ac491f53a34884914f09c1f9575df59e19982078e07462b5157e56d2e61

    • memory/2068-144-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/2068-75-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/2068-94-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/2068-135-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/2068-141-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/2068-138-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/2068-147-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/2068-100-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/2068-77-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/2068-97-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/2068-113-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/2068-110-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/2068-107-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/2068-104-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/2068-83-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/2448-91-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/2448-87-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/2448-81-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/2448-44-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/2540-134-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/2540-47-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/2572-139-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/2572-108-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/2572-142-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/2572-95-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/2572-136-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/2572-98-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/2572-84-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/2572-114-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/2572-78-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/2572-101-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/2572-145-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/2572-105-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/2572-148-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/2572-111-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/2624-140-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/2624-40-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/2624-115-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/2624-112-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/2624-106-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/2624-149-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/2624-102-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/2624-88-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/2624-99-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/2624-146-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/2624-80-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/2624-137-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/2624-86-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/2624-109-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/2624-96-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/2624-143-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/2632-92-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/2632-85-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/2632-31-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/2632-82-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/2632-79-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/2988-25-0x0000000003370000-0x0000000003410000-memory.dmp

      Filesize

      640KB

    • memory/2988-46-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/2988-0-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/2988-18-0x0000000003370000-0x0000000003410000-memory.dmp

      Filesize

      640KB