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Analysis

  • max time kernel
    114s
  • max time network
    118s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16/01/2025, 04:15

General

  • Target

    b71d57382a6567da6e1867c4f8754b5dd019e46cda62cb1ff720d2c1d088ba1c.exe

  • Size

    65KB

  • MD5

    e4ff0fdaf9755cdf8427bb42af18c3d8

  • SHA1

    11ddbf277b764f01345aa299c75224defe885ada

  • SHA256

    b71d57382a6567da6e1867c4f8754b5dd019e46cda62cb1ff720d2c1d088ba1c

  • SHA512

    2c7f97f96e3268985e096424f0f4ea568dd70eb2bc2a2f16048e7bb9cdcc63e34f438d41b9da31e3852237012745e5eb6ac264732aadf08c942765f5bb5aa606

  • SSDEEP

    1536:Md9dseIOc+93bIvYvZEyF4EEOF6N4yS+AQmZ/Hzf:0dseIO+EZEyFjEOFqTiQmRHzf

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 3 IoCs
  • Drops file in System32 directory 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 4 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 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b71d57382a6567da6e1867c4f8754b5dd019e46cda62cb1ff720d2c1d088ba1c.exe
    "C:\Users\Admin\AppData\Local\Temp\b71d57382a6567da6e1867c4f8754b5dd019e46cda62cb1ff720d2c1d088ba1c.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:972
    • 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:2040
      • C:\Windows\SysWOW64\omsecor.exe
        C:\Windows\System32\omsecor.exe
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1968
        • C:\Users\Admin\AppData\Roaming\omsecor.exe
          C:\Users\Admin\AppData\Roaming\omsecor.exe
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          PID:3744

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    65KB

    MD5

    39f80e12aad06ead448b2e05688c2bf0

    SHA1

    56ddd9a44fb2120b91f9f377e2cac78945465505

    SHA256

    f599898bb6a0ab4f10f482f92d124624f59f2faa6e5d437879ec04a8af2a1d11

    SHA512

    52ff53283f21aa8c6c9aac477b1f753b9f1dd0801eb846bc33367d71900e681ff8e2e3725696985b8f7d5b58700af042073afde3b9a0a06325ae7218dd7b621a

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

    Filesize

    65KB

    MD5

    5f5cfdf7f19818afdf8bdabcd85b28bc

    SHA1

    91e29fe3f96f6484cebfe8430788d091b0b438d5

    SHA256

    df4816b0eb7c9235454e1bba0c02737f42c5ce211b5d4b0fa31043fe25ae562d

    SHA512

    6fc29f96cfaddf7f74ab0648b87bc613e29eb94d3c3d1f4845dfc05861911f4d9e914e45640bcdedec54a9c5baa6304273a8a61888b6100ef7a059dd3e39048e

  • C:\Windows\SysWOW64\omsecor.exe

    Filesize

    65KB

    MD5

    aeae2bca8f90409a6700e1f3d79325e9

    SHA1

    b4bd3f1f31f8a981b702cc5e54578900135ea716

    SHA256

    a19fdcc5b777533714832fc4e1f65a728de6ed2bc71ce6d387c9a7414bf86a5e

    SHA512

    c793d2ee1d65303e8eb3f34e03d69f545c747a77dac931c9f965ca46ab218bde6cad90b0d4e7e58ade43828b01b34b89db88a540ed7c291005dfa0637c123de2

  • memory/972-0-0x0000000000400000-0x000000000042A000-memory.dmp

    Filesize

    168KB

  • memory/972-6-0x0000000000400000-0x000000000042A000-memory.dmp

    Filesize

    168KB

  • memory/1968-11-0x0000000000400000-0x000000000042A000-memory.dmp

    Filesize

    168KB

  • memory/1968-17-0x0000000000400000-0x000000000042A000-memory.dmp

    Filesize

    168KB

  • memory/2040-4-0x0000000000400000-0x000000000042A000-memory.dmp

    Filesize

    168KB

  • memory/2040-7-0x0000000000400000-0x000000000042A000-memory.dmp

    Filesize

    168KB

  • memory/2040-13-0x0000000000400000-0x000000000042A000-memory.dmp

    Filesize

    168KB

  • memory/3744-19-0x0000000000400000-0x000000000042A000-memory.dmp

    Filesize

    168KB

  • memory/3744-20-0x0000000000400000-0x000000000042A000-memory.dmp

    Filesize

    168KB