Analysis

  • max time kernel
    115s
  • max time network
    119s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-12-2024 01:26

General

  • Target

    dd5d756f778abb42918981d67f7033d98344fabc27c95ee9573a414efe589864.exe

  • Size

    96KB

  • MD5

    1dbbcbf48568594f574817811b1b8af8

  • SHA1

    c1b3437ad6d2d1927fa2c47f2fcf3176b519bdb3

  • SHA256

    dd5d756f778abb42918981d67f7033d98344fabc27c95ee9573a414efe589864

  • SHA512

    c7ebb602eb9a339a49a97ff31914d51d81e3793e982655aa750066fc213388e1cf79d1161c7f476ae9f8ed530becaba6cfb2b90233b0156c99917d2c1d937752

  • SSDEEP

    1536:4nAHcBbLmdvduLd8IDiaP/8A68YaiIv2RwEYqlwi+BzdAeV9b5ADbyxxB:4Gs8cd8eXlYairZYqMddH13B

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\dd5d756f778abb42918981d67f7033d98344fabc27c95ee9573a414efe589864.exe
    "C:\Users\Admin\AppData\Local\Temp\dd5d756f778abb42918981d67f7033d98344fabc27c95ee9573a414efe589864.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1764
    • C:\Users\Admin\AppData\Local\Temp\dd5d756f778abb42918981d67f7033d98344fabc27c95ee9573a414efe589864.exe
      C:\Users\Admin\AppData\Local\Temp\dd5d756f778abb42918981d67f7033d98344fabc27c95ee9573a414efe589864.exe
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3636
      • 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:4524
        • 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:3080
          • 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:60
            • 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:4776
              • 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:2568
                • 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:1524
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 2568 -s 268
                  8⤵
                  • Program crash
                  PID:3388
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 60 -s 292
              6⤵
              • Program crash
              PID:3460
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4524 -s 292
          4⤵
          • Program crash
          PID:4860
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1764 -s 288
      2⤵
      • Program crash
      PID:4232
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1764 -ip 1764
    1⤵
      PID:2896
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4524 -ip 4524
      1⤵
        PID:4724
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 60 -ip 60
        1⤵
          PID:1392
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 2568 -ip 2568
          1⤵
            PID:712

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

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

            Filesize

            96KB

            MD5

            fed297e6c694c966d3f4a9f47f88be9a

            SHA1

            21f35a5ee91abbf54429579e7020a4083d20c44b

            SHA256

            49f06288a27f33ad399438aa132fa1c08dfca7828c7cdc472167d7ab476f091e

            SHA512

            0f5462b1d91a9417bc5993230ee8339b00b1d2b98ab32805e05532ddb2692b6086a9728dd291605b88f6cd1fa0b77adc1af7e8392e5c7e699d19521363e7d889

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

            Filesize

            96KB

            MD5

            d9c6517ffec25cf28b59c413413314a3

            SHA1

            e6100d839acd8da8878663580c16dbb285ffb164

            SHA256

            17d5d3237400b16975f93d151ea8ab7099b5f0c03b76f2b2325c60059c46bc78

            SHA512

            16314ade5650b9c7c11176709ed07022878ed58cf80518c60e25a30ab4f35b27b257a63085939a8765380a29470b4b3aaf42522eebc6af677d9f82c5862a3b1b

          • C:\Windows\SysWOW64\omsecor.exe

            Filesize

            96KB

            MD5

            582943a74922f69a9ece19a83e153cab

            SHA1

            fb1657278408d66a8d360892fa6d2bb206c91274

            SHA256

            3888020c7b88775917f189f14ddae8fa0d1a5a5b092c752f3ede56d980e3539b

            SHA512

            0541386822eb09b3717c96c868fa9ca81f142cfde4b97d4273ebce6d9850583c95f5c750656e8744d66eb3005b8b8cfd9137ed2f996cf1632ed67b67a671afb4

          • memory/60-51-0x0000000000400000-0x0000000000423000-memory.dmp

            Filesize

            140KB

          • memory/60-32-0x0000000000400000-0x0000000000423000-memory.dmp

            Filesize

            140KB

          • memory/1524-53-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/1524-48-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/1524-49-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/1764-0-0x0000000000400000-0x0000000000423000-memory.dmp

            Filesize

            140KB

          • memory/1764-16-0x0000000000400000-0x0000000000423000-memory.dmp

            Filesize

            140KB

          • memory/2568-52-0x0000000000400000-0x0000000000423000-memory.dmp

            Filesize

            140KB

          • memory/2568-44-0x0000000000400000-0x0000000000423000-memory.dmp

            Filesize

            140KB

          • memory/3080-13-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/3080-26-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/3080-22-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/3080-29-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/3080-19-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/3080-25-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/3080-14-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/3636-7-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/3636-1-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/3636-2-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/3636-3-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/4524-18-0x0000000000400000-0x0000000000423000-memory.dmp

            Filesize

            140KB

          • memory/4524-10-0x0000000000400000-0x0000000000423000-memory.dmp

            Filesize

            140KB

          • memory/4776-36-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/4776-42-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/4776-37-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB