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Analysis

  • max time kernel
    116s
  • max time network
    120s
  • 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, 16:46

General

  • Target

    61321ac128d3d5dbb22385e8d5880c9527d4c1c59873bac01223cc2d62e9e0abN.exe

  • Size

    96KB

  • MD5

    f4e9b81146e3a7c76fcd136712d9be40

  • SHA1

    e7cffad0e338c3f13e179bc3920d40c144d0d3ed

  • SHA256

    61321ac128d3d5dbb22385e8d5880c9527d4c1c59873bac01223cc2d62e9e0ab

  • SHA512

    4c3cbd65c12714a99d99e49aa5881c0c0b2bc11587a996df34b052754bd0643af83239087659ddd2458cb92f247109b60a40f65f66d4e716a294956d0f4fa8c5

  • SSDEEP

    1536:inAHcBbLmdvduLd8IDiaP/8A68YaiIv2RwEYqlwi+BzdAeV9b5ADbyxxL:iGs8cd8eXlYairZYqMddH13L

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\61321ac128d3d5dbb22385e8d5880c9527d4c1c59873bac01223cc2d62e9e0abN.exe
    "C:\Users\Admin\AppData\Local\Temp\61321ac128d3d5dbb22385e8d5880c9527d4c1c59873bac01223cc2d62e9e0abN.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4460
    • C:\Users\Admin\AppData\Local\Temp\61321ac128d3d5dbb22385e8d5880c9527d4c1c59873bac01223cc2d62e9e0abN.exe
      C:\Users\Admin\AppData\Local\Temp\61321ac128d3d5dbb22385e8d5880c9527d4c1c59873bac01223cc2d62e9e0abN.exe
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4076
      • 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:5064
        • 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:3008
          • 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:4452
            • 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:224
              • 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:1680
                • 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:1212
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 1680 -s 256
                  8⤵
                  • Program crash
                  PID:4644
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 4452 -s 292
              6⤵
              • Program crash
              PID:2388
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 5064 -s 252
          4⤵
          • Program crash
          PID:60
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4460 -s 288
      2⤵
      • Program crash
      PID:4112
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4460 -ip 4460
    1⤵
      PID:3660
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 5064 -ip 5064
      1⤵
        PID:2564
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 4452 -ip 4452
        1⤵
          PID:4216
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 1680 -ip 1680
          1⤵
            PID:4492

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

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

            Filesize

            96KB

            MD5

            f4f5a3accfc71dc1a2589a832ce3f872

            SHA1

            689b37479b652ef79e85cf9acc8c71f2235ef497

            SHA256

            8cfd85b6f508b454e3878aeea00d3fe168e0b0d5dda868e9cf375943759dd367

            SHA512

            a01f3580b78db6033d4ab04901e3e1f4d4b1450d31525d992a9751ef38eff76df131f08e0247537fc851206b099c546357d40212f929132c397af43adcc2c90a

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

            Filesize

            96KB

            MD5

            ade8001189cc18070d30d77c5dfdce99

            SHA1

            9b33f7b3971ccec383efbff6d30b7a5346b63360

            SHA256

            934d37f15847e569564c9321e60a5f85212c6fa8c63bf2f426e7fad46f47d800

            SHA512

            7f3c4f498d188d4fc4a4a6587e9992b9284d4e7eeb4d4f37610add4aa4b58b2a2f0d18692bde1a3d0f31a8561cc3b3c0db8907d6e28c7231469b080a2ae9fa2b

          • C:\Windows\SysWOW64\omsecor.exe

            Filesize

            96KB

            MD5

            b352dbb18f490174a32a30577b3d9f36

            SHA1

            89263e5b2018280ace4eeb6641c411bb42d5794c

            SHA256

            064fe206bf1ca341af26a44f5d5106594d30d86d9edfaadf08fc8d756ecb6043

            SHA512

            a3ae710c942d8c9bb12f56151eb344a0d9672d70dd97d60c62fb6ea2fe200ce4d95dec1813041520ae09ff176ec97c3f011e7c45f8445ab02d5ed881fd67332f

          • memory/224-37-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/224-40-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/224-38-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/1212-54-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/1212-50-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/1212-49-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/1680-44-0x0000000000400000-0x0000000000423000-memory.dmp

            Filesize

            140KB

          • memory/3008-23-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/3008-30-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/3008-20-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/3008-26-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/3008-27-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/3008-15-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/3008-14-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/4076-3-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/4076-5-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/4076-2-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/4076-1-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/4452-34-0x0000000000400000-0x0000000000423000-memory.dmp

            Filesize

            140KB

          • memory/4452-52-0x0000000000400000-0x0000000000423000-memory.dmp

            Filesize

            140KB

          • memory/4460-18-0x0000000000400000-0x0000000000423000-memory.dmp

            Filesize

            140KB

          • memory/4460-0-0x0000000000400000-0x0000000000423000-memory.dmp

            Filesize

            140KB

          • memory/5064-17-0x0000000000400000-0x0000000000423000-memory.dmp

            Filesize

            140KB

          • memory/5064-11-0x0000000000400000-0x0000000000423000-memory.dmp

            Filesize

            140KB