Analysis

  • max time kernel
    115s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    18-08-2024 12:05

General

  • Target

    b2efebdd3fa287b4b4af62798c8871d0N.exe

  • Size

    80KB

  • MD5

    b2efebdd3fa287b4b4af62798c8871d0

  • SHA1

    6be1af423364596d6c7ad5380a3469b4f35388c9

  • SHA256

    39909848cec82953263eca035063ea42b2aa73bd49cc8d0117f1281817d712a0

  • SHA512

    27fddec4f6eb2f1dbbc47fdedd96a26ee11e3ff5884931c05ddc2f6754989ad19ed0267c4192c01b64303346d9296c08adbda0d7b6bf0d7218313d713cfdd7bd

  • SSDEEP

    768:cfMEIvFGvZEr8LFK0ic46N47eSdYAHwmZGp6JXXlaa5uA:cfbIvYvZEyFKF6N4yS+AQmZTl/5

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 3 IoCs
  • Loads dropped DLL 6 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 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b2efebdd3fa287b4b4af62798c8871d0N.exe
    "C:\Users\Admin\AppData\Local\Temp\b2efebdd3fa287b4b4af62798c8871d0N.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2556
    • C:\Users\Admin\AppData\Roaming\omsecor.exe
      C:\Users\Admin\AppData\Roaming\omsecor.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2588
      • C:\Windows\SysWOW64\omsecor.exe
        C:\Windows\System32\omsecor.exe
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:676
        • 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:1836

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    80KB

    MD5

    246dedbbb989fa8e2fa746d32df0139b

    SHA1

    dc1cbee75b07171b4f917d400cc691b614c3c687

    SHA256

    ba8adef95d9734b766329d07c1f954fb2552eb3fe8e0a6472379b207976855d9

    SHA512

    b9082147073496e087b1bcbcf5fc64782826bd955b421dbf4647151ddea7dd5602baa701f433772f378074912e91b81453c519bab55c7d968bfaae9329809b8e

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

    Filesize

    80KB

    MD5

    73cf383a4b12cce57cb925cf0aeb13d9

    SHA1

    9a65ea5d1dbe859bfa5bc7bb6fc40be048453abf

    SHA256

    a02226331110406f482f591ba82177cf3e6fae33dcaf0b118d122fbab8a57b33

    SHA512

    5cdab2006a7d55f3b35e8dff431be8a37b5469f12c095a78e573d87944f42af674ad60435c4f0a53913e7634eee3bb835866d901cf6c74c11cf5431e49447c52

  • \Windows\SysWOW64\omsecor.exe

    Filesize

    80KB

    MD5

    03fbbc7c6d20bdf13a61e3fcc29e1433

    SHA1

    773f94446e8f7279f3cb6f8c3426ddf8e009956d

    SHA256

    e605dcae6229436ef7ddf1371e6f664b788d790e2d38c4039ef9069738afefc0

    SHA512

    8cd6a5aae97129ac32ef6a4e8bd46b4ecb3795f7d3050994ffbd347c81c2751a74bc2ca3096e2caebda6c82a0a6bc5e2e350ee93ebcf2d2307531bf3ad817965