Analysis

  • max time kernel
    145s
  • max time network
    146s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    21/01/2025, 08:23 UTC

General

  • Target

    a81b05651fb9add88cfc756f95895a2878a172439267b21db279aaf840b9d5c7.exe

  • Size

    72KB

  • MD5

    62be19596e8019d7a7a20441971b5051

  • SHA1

    1cd40999f303ccf257f961356310a9094800c9f8

  • SHA256

    a81b05651fb9add88cfc756f95895a2878a172439267b21db279aaf840b9d5c7

  • SHA512

    20d3a13bf518d35789473f5185b44feb280af3116b8f82cee05674df8a1ac5715d9c7ee2b40f8271196d81a112dd32d8e570fa40b3c9e95c3e1c11c9cd44405b

  • SSDEEP

    1536:Ld9dseIOcE93bIvYvZEyF4EEOF6N4yS+AQmZTl/5211N:7dseIOMEZEyFjEOFqTiQm5l/5211N

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
  • 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\a81b05651fb9add88cfc756f95895a2878a172439267b21db279aaf840b9d5c7.exe
    "C:\Users\Admin\AppData\Local\Temp\a81b05651fb9add88cfc756f95895a2878a172439267b21db279aaf840b9d5c7.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2792
    • 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:2864
      • 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:2456
        • 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:2700

Network

  • flag-us
    DNS
    lousta.net
    omsecor.exe
    Remote address:
    8.8.8.8:53
    Request
    lousta.net
    IN A
    Response
    lousta.net
    IN A
    193.166.255.171
  • flag-us
    DNS
    mkkuei4kdsz.com
    omsecor.exe
    Remote address:
    8.8.8.8:53
    Request
    mkkuei4kdsz.com
    IN A
    Response
    mkkuei4kdsz.com
    IN A
    3.33.243.145
    mkkuei4kdsz.com
    IN A
    15.197.204.56
  • flag-us
    GET
    http://mkkuei4kdsz.com/870/870.html
    omsecor.exe
    Remote address:
    3.33.243.145:80
    Request
    GET /870/870.html HTTP/1.1
    From: 133819214042926000
    Via: dlngfrn[rfs=8-5_`oeb=6[pboan:11-0102_ls>312.^lby>.f54f656d6c202e/d3362281469.bb_6
    Host: mkkuei4kdsz.com
    Connection: Keep-Alive
    Response
    HTTP/1.1 200 OK
    content-type: text/html
    date: Tue, 21 Jan 2025 08:24:27 GMT
    content-length: 114
  • flag-us
    DNS
    ow5dirasuek.com
    omsecor.exe
    Remote address:
    8.8.8.8:53
    Request
    ow5dirasuek.com
    IN A
    Response
    ow5dirasuek.com
    IN A
    52.34.198.229
  • flag-us
    GET
    http://ow5dirasuek.com/623/405.html
    omsecor.exe
    Remote address:
    52.34.198.229:80
    Request
    GET /623/405.html HTTP/1.1
    From: 133819214042926000
    Via: dlngfrn[rfs=8-5_`oeb=6[pboan:11-0102_ls>312.^lby>.f54f656d6c202e/d3362281469.bb_6
    Host: ow5dirasuek.com
    Connection: Keep-Alive
    Response
    HTTP/1.1 200 OK
    Server: nginx
    Date: Tue, 21 Jan 2025 08:24:38 GMT
    Content-Type: text/html
    Transfer-Encoding: chunked
    Connection: close
    Set-Cookie: btst=c2ffb5d06bb2ba7b2b87f16fb4bf9cb1|181.215.176.83|1737447878|1737447878|0|1|0; path=/; domain=.ow5dirasuek.com; Expires=Thu, 15 Apr 2027 00:00:00 GMT; HttpOnly; SameSite=Lax;
    Set-Cookie: snkz=181.215.176.83; path=/; Expires=Thu, 15 Apr 2027 00:00:00 GMT
  • flag-us
    GET
    http://mkkuei4kdsz.com/997/524.html
    omsecor.exe
    Remote address:
    3.33.243.145:80
    Request
    GET /997/524.html HTTP/1.1
    From: 133819214042926000
    Via: dlngfrn[rfs=8-5_`oeb=6[pboan:11-0102_ls>312.^lby>.f54f656d6c202e/d3362281469.bb_6
    Host: mkkuei4kdsz.com
    Connection: Keep-Alive
    Response
    HTTP/1.1 200 OK
    content-type: text/html
    date: Tue, 21 Jan 2025 08:25:50 GMT
    content-length: 114
  • 193.166.255.171:80
    lousta.net
    omsecor.exe
    152 B
    3
  • 193.166.255.171:80
    lousta.net
    omsecor.exe
    152 B
    3
  • 3.33.243.145:80
    http://mkkuei4kdsz.com/870/870.html
    http
    omsecor.exe
    473 B
    644 B
    6
    5

    HTTP Request

    GET http://mkkuei4kdsz.com/870/870.html

    HTTP Response

    200
  • 52.34.198.229:80
    http://ow5dirasuek.com/623/405.html
    http
    omsecor.exe
    421 B
    623 B
    5
    5

    HTTP Request

    GET http://ow5dirasuek.com/623/405.html

    HTTP Response

    200
  • 193.166.255.171:80
    lousta.net
    omsecor.exe
    152 B
    3
  • 193.166.255.171:80
    lousta.net
    omsecor.exe
    152 B
    3
  • 3.33.243.145:80
    http://mkkuei4kdsz.com/997/524.html
    http
    omsecor.exe
    381 B
    604 B
    4
    4

    HTTP Request

    GET http://mkkuei4kdsz.com/997/524.html

    HTTP Response

    200
  • 8.8.8.8:53
    lousta.net
    dns
    omsecor.exe
    56 B
    72 B
    1
    1

    DNS Request

    lousta.net

    DNS Response

    193.166.255.171

  • 8.8.8.8:53
    mkkuei4kdsz.com
    dns
    omsecor.exe
    61 B
    93 B
    1
    1

    DNS Request

    mkkuei4kdsz.com

    DNS Response

    3.33.243.145
    15.197.204.56

  • 8.8.8.8:53
    ow5dirasuek.com
    dns
    omsecor.exe
    61 B
    77 B
    1
    1

    DNS Request

    ow5dirasuek.com

    DNS Response

    52.34.198.229

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    72KB

    MD5

    aeea7c7245792599f748893709bdab47

    SHA1

    2c3ea2f557a2b7d1d8ae0a879ce618c4457ec0a7

    SHA256

    682b4e99ce94a8c75d405d60e0167cb07a2f3b66e32a2a73c5f54a706fe72f65

    SHA512

    9bc195ba12e7791800bc4079e14fdb22ec4e4ce7d80cfd9df0e1685e0d346ef08db59e431e846f3b7d4c546132bc2ddfe09269818b9af2822bd2335332ac8d66

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

    Filesize

    72KB

    MD5

    c48f689e91bf1254689a35499743c72f

    SHA1

    26082398b34d57cdfe92fb9baad09b81a8f3bfaf

    SHA256

    d87ee71f3788d8473f29287f0ef1c666fd6d4b0f568f8c2fb8cb6f2706acdf17

    SHA512

    6a6d506bf95940af83faa01792f0a44d85a5f22b6ac033dfc6faf603ec1b682866ebed1cca4d810f5ec6a4bbcdb3c81bf6677cb463e50b9b1148b762d268629d

  • \Windows\SysWOW64\omsecor.exe

    Filesize

    72KB

    MD5

    61a0e3d6ab92b0f156c33c459ea9a945

    SHA1

    54fbd8feece208e8a36b94c7ab6d7395c57d5810

    SHA256

    e133854244f1cd01ecc16bb795ca12b766a1914071c60bd9fde2b450b7ab357e

    SHA512

    90af1d7f53b53fb6071a70d822239136d7a1b45def1a4c4eb84468f65f0daf0fbbe5ba3e8f75a6687e9e1d920f20ec1cd4719646d1237c6ee47d68c7e6e813c9

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