Analysis

  • max time kernel
    144s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/11/2024, 08:16

General

  • Target

    27d7de0e5fb13a719367aff96a0d5c32d7e0ac8514962b5be62ea50323ceb730N.exe

  • Size

    134KB

  • MD5

    e8652612b04bdfeff601676821e6dbb0

  • SHA1

    10ff1ba8513857b41715212f2efa202e06db77c7

  • SHA256

    27d7de0e5fb13a719367aff96a0d5c32d7e0ac8514962b5be62ea50323ceb730

  • SHA512

    5c8ce1cc45116fbc001f3282076837af2637a1feb593a934c48ca8b796da2e36abaf47a10ed93a527ecb286474c6f20241e5eb751b9f0e31298eda1edbd43af5

  • SSDEEP

    1536:QDfDbhERTatPLTH0iqNZg3mqKv6y0RrwFd1tSEsF27da6ZW72Foj/MqMabadwCia:GiRTeH0iqAW6J6f1tqF6dngNmaZCia

Malware Config

Extracted

Family

neconyd

C2

http://ow5dirasuek.com/

http://mkkuei4kdsz.com/

http://lousta.net/

Signatures

  • Neconyd

    Neconyd is a trojan written in C++.

  • Neconyd family
  • Executes dropped EXE 6 IoCs
  • Drops file in System32 directory 1 IoCs
  • Suspicious use of SetThreadContext 4 IoCs
  • Program crash 4 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 8 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of WriteProcessMemory 29 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\27d7de0e5fb13a719367aff96a0d5c32d7e0ac8514962b5be62ea50323ceb730N.exe
    "C:\Users\Admin\AppData\Local\Temp\27d7de0e5fb13a719367aff96a0d5c32d7e0ac8514962b5be62ea50323ceb730N.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4356
    • C:\Users\Admin\AppData\Local\Temp\27d7de0e5fb13a719367aff96a0d5c32d7e0ac8514962b5be62ea50323ceb730N.exe
      C:\Users\Admin\AppData\Local\Temp\27d7de0e5fb13a719367aff96a0d5c32d7e0ac8514962b5be62ea50323ceb730N.exe
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3952
      • C:\Users\Admin\AppData\Roaming\omsecor.exe
        C:\Users\Admin\AppData\Roaming\omsecor.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2152
        • C:\Users\Admin\AppData\Roaming\omsecor.exe
          C:\Users\Admin\AppData\Roaming\omsecor.exe
          4⤵
          • Executes dropped EXE
          • Drops file in System32 directory
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2728
          • C:\Windows\SysWOW64\omsecor.exe
            C:\Windows\System32\omsecor.exe
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:492
            • C:\Windows\SysWOW64\omsecor.exe
              C:\Windows\SysWOW64\omsecor.exe
              6⤵
              • Executes dropped EXE
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:4952
              • C:\Users\Admin\AppData\Roaming\omsecor.exe
                C:\Users\Admin\AppData\Roaming\omsecor.exe
                7⤵
                • Executes dropped EXE
                • Suspicious use of SetThreadContext
                • System Location Discovery: System Language Discovery
                • Suspicious use of WriteProcessMemory
                PID:4848
                • C:\Users\Admin\AppData\Roaming\omsecor.exe
                  C:\Users\Admin\AppData\Roaming\omsecor.exe
                  8⤵
                  • Executes dropped EXE
                  • System Location Discovery: System Language Discovery
                  PID:4812
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 4848 -s 260
                  8⤵
                  • Program crash
                  PID:1844
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 492 -s 292
              6⤵
              • Program crash
              PID:1020
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2152 -s 276
          4⤵
          • Program crash
          PID:4312
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4356 -s 288
      2⤵
      • Program crash
      PID:4856
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 4356 -ip 4356
    1⤵
      PID:2140
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 2152 -ip 2152
      1⤵
        PID:4136
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 492 -ip 492
        1⤵
          PID:4352
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 4848 -ip 4848
          1⤵
            PID:4788

          Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

                Loading Replay Monitor...

                Downloads

                • C:\Users\Admin\AppData\Roaming\omsecor.exe

                  Filesize

                  134KB

                  MD5

                  f5a469f906b30de607ca24694ae3c1dd

                  SHA1

                  929c446f2e726e08ba4b8a3700fe14cb4ec5479d

                  SHA256

                  c9633beffc2b7a83295b5b98dcbdf48824ffe64fbc14707471e2b4025c148e3b

                  SHA512

                  ab05562f2a6ba43ed2ce065338674505298643f338c47caa1bcb97870be7447e6019f2bedaf3c7e33cb7a19bfc23aed25831bddfd899d4d3aa032f06f561fb94

                • C:\Users\Admin\AppData\Roaming\omsecor.exe

                  Filesize

                  134KB

                  MD5

                  fd29e3ec0adbe41ec0dde8fcd181fbfd

                  SHA1

                  8e25cb8af3c2c6593da992f1c0ac5db70878700e

                  SHA256

                  f520ba7918e49c64bf627b4f17073694e0657348c2f2c4f06e30d4cdea4aac7a

                  SHA512

                  351ce623d44933e9f02c15c3cf7c3933200457ee56a300a02a15250cc9aa2392a55d3f974ddcde7317c3de4b87c34c7ac5f566face55bfd91c73c42304112fc3

                • C:\Windows\SysWOW64\omsecor.exe

                  Filesize

                  134KB

                  MD5

                  b327fd67ef32a48c000590090f56b74e

                  SHA1

                  b80c17390e9852a0dff1a56376eca86f25f24d7e

                  SHA256

                  13311b523cc417d9d62fc81a82982dbc68f125e4ca9a85edbe1ef19123b5dc58

                  SHA512

                  c5c81ca96e204bbb227895ff917410d5bc342894425f278f684ec08bab54ecb547d132de4392015b72f73088a31342bcf9c8ea20144aa646ea6f1e95dda2cd4a

                • memory/492-49-0x0000000000400000-0x0000000000424000-memory.dmp

                  Filesize

                  144KB

                • memory/492-30-0x0000000000400000-0x0000000000424000-memory.dmp

                  Filesize

                  144KB

                • memory/2152-17-0x0000000000400000-0x0000000000424000-memory.dmp

                  Filesize

                  144KB

                • memory/2152-8-0x0000000000400000-0x0000000000424000-memory.dmp

                  Filesize

                  144KB

                • memory/2728-25-0x0000000000400000-0x0000000000429000-memory.dmp

                  Filesize

                  164KB

                • memory/2728-15-0x0000000000400000-0x0000000000429000-memory.dmp

                  Filesize

                  164KB

                • memory/2728-18-0x0000000000400000-0x0000000000429000-memory.dmp

                  Filesize

                  164KB

                • memory/2728-21-0x0000000000400000-0x0000000000429000-memory.dmp

                  Filesize

                  164KB

                • memory/2728-24-0x0000000000400000-0x0000000000429000-memory.dmp

                  Filesize

                  164KB

                • memory/2728-29-0x0000000000400000-0x0000000000429000-memory.dmp

                  Filesize

                  164KB

                • memory/2728-14-0x0000000000400000-0x0000000000429000-memory.dmp

                  Filesize

                  164KB

                • memory/3952-2-0x0000000000400000-0x0000000000429000-memory.dmp

                  Filesize

                  164KB

                • memory/3952-11-0x0000000000400000-0x0000000000429000-memory.dmp

                  Filesize

                  164KB

                • memory/3952-3-0x0000000000400000-0x0000000000429000-memory.dmp

                  Filesize

                  164KB

                • memory/3952-1-0x0000000000400000-0x0000000000429000-memory.dmp

                  Filesize

                  164KB

                • memory/4356-16-0x0000000000400000-0x0000000000424000-memory.dmp

                  Filesize

                  144KB

                • memory/4356-0-0x0000000000400000-0x0000000000424000-memory.dmp

                  Filesize

                  144KB

                • memory/4812-47-0x0000000000400000-0x0000000000429000-memory.dmp

                  Filesize

                  164KB

                • memory/4812-48-0x0000000000400000-0x0000000000429000-memory.dmp

                  Filesize

                  164KB

                • memory/4812-51-0x0000000000400000-0x0000000000429000-memory.dmp

                  Filesize

                  164KB

                • memory/4812-54-0x0000000000400000-0x0000000000429000-memory.dmp

                  Filesize

                  164KB

                • memory/4848-42-0x0000000000400000-0x0000000000424000-memory.dmp

                  Filesize

                  144KB

                • memory/4848-50-0x0000000000400000-0x0000000000424000-memory.dmp

                  Filesize

                  144KB

                • memory/4952-38-0x0000000000400000-0x0000000000429000-memory.dmp

                  Filesize

                  164KB

                • memory/4952-36-0x0000000000400000-0x0000000000429000-memory.dmp

                  Filesize

                  164KB

                • memory/4952-35-0x0000000000400000-0x0000000000429000-memory.dmp

                  Filesize

                  164KB