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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
    31/12/2024, 01:28

General

  • Target

    cbd2b230eaaf21fbdf1073e016fca1608cc3230e2c9e325b0c53ecb5cbd76b6eN.exe

  • Size

    96KB

  • MD5

    fc3379caa1dd355cac67ab889cf00be0

  • SHA1

    08aa2dffa11f6f08947eceb663a5b86e7e33c851

  • SHA256

    cbd2b230eaaf21fbdf1073e016fca1608cc3230e2c9e325b0c53ecb5cbd76b6e

  • SHA512

    3f4427d91c4e9e0c41026a2f30b14c9aab26d109f9a49cd94814de2b512b1a25dda97ff7d02d09ddc24f4b36c94a170283f47ce6eebfc342dbce9a88b6d3e2b5

  • SSDEEP

    1536:znAHcBbLmdvduLd8IDiaP/8A68YaiIv2RwEYqlwi+BzdAeV9b5ADbyxxz:zGs8cd8eXlYairZYqMddH13z

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\cbd2b230eaaf21fbdf1073e016fca1608cc3230e2c9e325b0c53ecb5cbd76b6eN.exe
    "C:\Users\Admin\AppData\Local\Temp\cbd2b230eaaf21fbdf1073e016fca1608cc3230e2c9e325b0c53ecb5cbd76b6eN.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3788
    • C:\Users\Admin\AppData\Local\Temp\cbd2b230eaaf21fbdf1073e016fca1608cc3230e2c9e325b0c53ecb5cbd76b6eN.exe
      C:\Users\Admin\AppData\Local\Temp\cbd2b230eaaf21fbdf1073e016fca1608cc3230e2c9e325b0c53ecb5cbd76b6eN.exe
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3416
      • 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:1652
        • 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:4040
          • 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:1284
            • 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:516
              • 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:3048
                • 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:4112
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 3048 -s 256
                  8⤵
                  • Program crash
                  PID:4516
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 1284 -s 292
              6⤵
              • Program crash
              PID:4616
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1652 -s 300
          4⤵
          • Program crash
          PID:5112
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3788 -s 288
      2⤵
      • Program crash
      PID:2924
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 3788 -ip 3788
    1⤵
      PID:316
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1652 -ip 1652
      1⤵
        PID:1264
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 1284 -ip 1284
        1⤵
          PID:5076
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 3048 -ip 3048
          1⤵
            PID:4004

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

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

            Filesize

            96KB

            MD5

            8c349e3dbf63b1efdaa597d234baacf2

            SHA1

            b7057642072b7c8ee674d94647e90af4a1c0a588

            SHA256

            43983e6dc45ebc9d9973ea715b7942357648040853887c4589294335f3e74c46

            SHA512

            5d9fd6f4bf2fc50b58c397ff3462f8fbac60e5aad684a9950ced9ae17554e665ebcc4531419c887a806c148f6ccdcc913ae80c007be294d184a722afef279aaf

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

            Filesize

            96KB

            MD5

            071eb921cf74bc413480e0c95069a0b5

            SHA1

            651fe962179b21a41fe2464255399df04d4e3f92

            SHA256

            c748422eb6d5fbd179608e9291527b476f88811eea23b696beffe3c0b504c90f

            SHA512

            4e59561b2bf2af93ecb7495d01a03f4484fbf18e8c92cd9463e3054cf334cf9e6b3173aca8c677294b14c16904eed737bdd5d31784c463df0ee527d579b92b6d

          • C:\Windows\SysWOW64\omsecor.exe

            Filesize

            96KB

            MD5

            4bd0699aae550ea0c6ed9527a83bbb0c

            SHA1

            04b2ca94009ecbcae7cc380f8d91bb730b8262be

            SHA256

            430c1646cf55100be183fabb3874ed93cf618b8aad52b2c052b59c6f8276b412

            SHA512

            280a9ede3348ce1ffa9571bf7be81d53cb12cffb8a42f0c5f0ec9e9d49c7491ac0022c969cb2056401cdb524e4ced00ce21e8635f48120148381b4a9a00b8e30

          • memory/516-38-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/516-40-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/516-37-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/1284-52-0x0000000000400000-0x0000000000423000-memory.dmp

            Filesize

            140KB

          • memory/1284-34-0x0000000000400000-0x0000000000423000-memory.dmp

            Filesize

            140KB

          • memory/1652-11-0x0000000000400000-0x0000000000423000-memory.dmp

            Filesize

            140KB

          • memory/1652-17-0x0000000000400000-0x0000000000423000-memory.dmp

            Filesize

            140KB

          • memory/3048-44-0x0000000000400000-0x0000000000423000-memory.dmp

            Filesize

            140KB

          • memory/3048-53-0x0000000000400000-0x0000000000423000-memory.dmp

            Filesize

            140KB

          • memory/3416-10-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/3416-3-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/3416-2-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/3416-1-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/3788-18-0x0000000000400000-0x0000000000423000-memory.dmp

            Filesize

            140KB

          • memory/3788-0-0x0000000000400000-0x0000000000423000-memory.dmp

            Filesize

            140KB

          • memory/4040-14-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/4040-33-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/4040-26-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/4040-25-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/4040-22-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/4040-19-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/4040-15-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/4112-50-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/4112-49-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/4112-54-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB