Analysis

  • max time kernel
    115s
  • max time network
    119s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-08-2024 12:24

General

  • Target

    9b4365610bf5ba273c19d4b6b59ac470N.exe

  • Size

    96KB

  • MD5

    9b4365610bf5ba273c19d4b6b59ac470

  • SHA1

    fda8f31b460070e32a27d7577a6ce4f28702d7d7

  • SHA256

    4cb6f4971f521c34fd0b117fe667e17dd2202b4e0447df1f1c55f78b8252fc51

  • SHA512

    6f4f42c772360d10550195000f7578f380a3bc2d24d0d6ea892a96388a57f88a946c99860d67e1579951e1229919dfeba33eef73ccbe3f92dc115506bcfe16df

  • SSDEEP

    1536:4nAHcBbLmdvduLd8IDiaP/8A68YaiIv2RwEYqlwi+BzdAeV9b5ADbyxxL:4Gs8cd8eXlYairZYqMddH13L

Malware Config

Extracted

Family

neconyd

C2

http://ow5dirasuek.com/

http://mkkuei4kdsz.com/

http://lousta.net/

Signatures

  • Neconyd

    Neconyd is a trojan written in C++.

  • 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\9b4365610bf5ba273c19d4b6b59ac470N.exe
    "C:\Users\Admin\AppData\Local\Temp\9b4365610bf5ba273c19d4b6b59ac470N.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5072
    • C:\Users\Admin\AppData\Local\Temp\9b4365610bf5ba273c19d4b6b59ac470N.exe
      C:\Users\Admin\AppData\Local\Temp\9b4365610bf5ba273c19d4b6b59ac470N.exe
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3076
      • 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:2504
        • 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:3952
          • 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:936
            • 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:3408
              • 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:1244
                • 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:1620
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 1244 -s 244
                  8⤵
                  • Program crash
                  PID:2308
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 936 -s 292
              6⤵
              • Program crash
              PID:3604
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2504 -s 296
          4⤵
          • Program crash
          PID:3132
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 5072 -s 296
      2⤵
      • Program crash
      PID:3464
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5072 -ip 5072
    1⤵
      PID:2684
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 2504 -ip 2504
      1⤵
        PID:3600
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 936 -ip 936
        1⤵
          PID:2756
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 1244 -ip 1244
          1⤵
            PID:4664

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

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

            Filesize

            96KB

            MD5

            4ed0c620a9ecc72f57296023bd98b112

            SHA1

            de56fb87ea9262abfb6197f49a72c18c7f12852d

            SHA256

            e73c9132108393b87978c5079d2068264b60fc81fd5a2fbcb41c5172bc7ce917

            SHA512

            9da09c2809841e9fba0069a723c64286c159c1617ab0707bec04b20c36eec7e24db4edcf3407180b6dee6efc77bb269d18dc97fbfe3195f9435987308164f331

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

            Filesize

            96KB

            MD5

            6123f4b0759183e2454f5cc37764fbc2

            SHA1

            47cf4c7aaa51499809b7c9367ff52620108b889c

            SHA256

            827082545570a3be54af7070942aa80eeb715c084a7769631a6f4da2b0dfa6f4

            SHA512

            503a34691cf99e9c58365df90ef1be3698f5a7b2093ef5712f32598e855373f343b2be4aa138e2f353a7651c549800da9a7d0dd211dc6e5d0049f859f565d67a

          • C:\Windows\SysWOW64\omsecor.exe

            Filesize

            96KB

            MD5

            e754a9a6334f5f71bdadf81fc70d654a

            SHA1

            87328da67525e42e389fb75ff491a5407ad2163e

            SHA256

            b96a320b2e57d248fdb55e66dce2fa724871d989f1140cdb186dae65bf336412

            SHA512

            662aae1c81ef9aa5560030b1f81e9d92ebf7e0e8381110d786536aba6d3c2653b9e3f64d2f7d52b82d884e3675246f679ec597c3c5c3a0ab43908d486fde21cc

          • memory/936-31-0x0000000000400000-0x0000000000423000-memory.dmp

            Filesize

            140KB

          • memory/936-51-0x0000000000400000-0x0000000000423000-memory.dmp

            Filesize

            140KB

          • memory/1244-44-0x0000000000400000-0x0000000000423000-memory.dmp

            Filesize

            140KB

          • memory/1620-49-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/1620-48-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/1620-53-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/2504-9-0x0000000000400000-0x0000000000423000-memory.dmp

            Filesize

            140KB

          • memory/3076-7-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/3076-3-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/3076-1-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/3076-2-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/3408-42-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/3408-36-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/3408-37-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/3952-26-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/3952-30-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/3952-25-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/3952-22-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/3952-19-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/3952-13-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/3952-14-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/5072-0-0x0000000000400000-0x0000000000423000-memory.dmp

            Filesize

            140KB

          • memory/5072-16-0x0000000000400000-0x0000000000423000-memory.dmp

            Filesize

            140KB