Analysis

  • max time kernel
    114s
  • 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
    18-08-2024 05:50

General

  • Target

    20cf26a21e2369301dc9074311243430N.exe

  • Size

    33KB

  • MD5

    20cf26a21e2369301dc9074311243430

  • SHA1

    178b8933ecaf6919e4bec3844bb138ddbc67412c

  • SHA256

    3343e7feb1c5fbcdfb52fb8194c669177c7b784794c5253fe33b213e59835794

  • SHA512

    c57fb0ed25165dd925b485c9eaebd40424052afa11d1af9a5cc3c16202eebc5911f5f3fecc9705fc085c389ee990eaf94400d68174be42835179ddf057615bd9

  • SSDEEP

    768:OfVhP/4kt3+9IV6Y90ksQ1oWHT0hh0vy9S5fsYGbTmoN/yE56hlSQ7D:OfVRztyHo8QNHTk0qE5fslvN/956q

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 2 IoCs
  • Drops file in System32 directory 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 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 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\20cf26a21e2369301dc9074311243430N.exe
    "C:\Users\Admin\AppData\Local\Temp\20cf26a21e2369301dc9074311243430N.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2976
    • C:\Users\Admin\AppData\Roaming\omsecor.exe
      C:\Users\Admin\AppData\Roaming\omsecor.exe
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4380
      • C:\Windows\SysWOW64\omsecor.exe
        C:\Windows\System32\omsecor.exe
        3⤵
        • Executes dropped EXE
        • Drops file in System32 directory
        • System Location Discovery: System Language Discovery
        PID:5064

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    33KB

    MD5

    36e09929e35c9c312c6b2e069c7233ea

    SHA1

    c8f452a4fc4c078dba3e529906818313332fc846

    SHA256

    5e84bbeedf022d819371d3c4d643671d2db2444e65b8ad7cd7df6921096e2b7b

    SHA512

    53f4b9aea01e3c6f453bdc9e51ae0f7a9c39c03d7b32aa9a0b348c1bc959939c00b0e1fa0a1c6d7d2c180e9537a63e22400f3d60bbdeec3360545679ebf5d473

  • C:\Windows\SysWOW64\omsecor.exe

    Filesize

    33KB

    MD5

    fcb79404391d581636891bd8180ba45f

    SHA1

    a96a74f2f0a09c8ca546833beec6da420e87e03c

    SHA256

    713fe7dddc3e5f29935b2b1e9b34478ace82dd3277792c9b41d62667974a0a77

    SHA512

    8ce0b8e24adfa352c6f3c7d2d9940896be6290e3da30e66d8eb5f996b903802e5bbfe9275bab44bc1517651d5a769f7f42711ed66150ca514a52e088b9516a1d

  • memory/2976-0-0x0000000000400000-0x000000000042A000-memory.dmp

    Filesize

    168KB

  • memory/2976-5-0x0000000000400000-0x000000000042A000-memory.dmp

    Filesize

    168KB

  • memory/4380-7-0x0000000000400000-0x000000000042A000-memory.dmp

    Filesize

    168KB

  • memory/4380-8-0x0000000000400000-0x000000000042A000-memory.dmp

    Filesize

    168KB

  • memory/4380-11-0x0000000000400000-0x000000000042A000-memory.dmp

    Filesize

    168KB

  • memory/4380-14-0x0000000000400000-0x000000000042A000-memory.dmp

    Filesize

    168KB

  • memory/4380-15-0x0000000000400000-0x000000000042A000-memory.dmp

    Filesize

    168KB

  • memory/4380-22-0x0000000000400000-0x000000000042A000-memory.dmp

    Filesize

    168KB

  • memory/5064-20-0x0000000000400000-0x000000000042A000-memory.dmp

    Filesize

    168KB

  • memory/5064-23-0x0000000000400000-0x000000000042A000-memory.dmp

    Filesize

    168KB