Malware Analysis Report

2024-11-16 12:59

Sample ID 240817-c6rkjswdkm
Target 4879e835b8353821918e1fd5785caf60N.exe
SHA256 05cfcb2c050edcc56555d0c2caec66d629a80a56dbf07a79de7c5ec2968defee
Tags
neconyd discovery trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

05cfcb2c050edcc56555d0c2caec66d629a80a56dbf07a79de7c5ec2968defee

Threat Level: Known bad

The file 4879e835b8353821918e1fd5785caf60N.exe was found to be: Known bad.

Malicious Activity Summary

neconyd discovery trojan

Neconyd

Neconyd family

Loads dropped DLL

Executes dropped EXE

Drops file in System32 directory

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-17 02:41

Signatures

Neconyd family

neconyd

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-17 02:41

Reported

2024-08-17 02:43

Platform

win10v2004-20240802-en

Max time kernel

114s

Max time network

119s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4879e835b8353821918e1fd5785caf60N.exe"

Signatures

Neconyd

trojan neconyd

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\omsecor.exe N/A
N/A N/A C:\Windows\SysWOW64\omsecor.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\omsecor.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File created C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Roaming\omsecor.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\omsecor.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Roaming\omsecor.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\4879e835b8353821918e1fd5785caf60N.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\4879e835b8353821918e1fd5785caf60N.exe

"C:\Users\Admin\AppData\Local\Temp\4879e835b8353821918e1fd5785caf60N.exe"

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

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

C:\Windows\SysWOW64\omsecor.exe

C:\Windows\System32\omsecor.exe

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 lousta.net udp
FI 193.166.255.171:80 lousta.net tcp
US 8.8.8.8:53 74.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
FI 193.166.255.171:80 lousta.net tcp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 mkkuei4kdsz.com udp
US 64.225.91.73:80 mkkuei4kdsz.com tcp
US 8.8.8.8:53 73.91.225.64.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 ow5dirasuek.com udp
US 52.34.198.229:80 ow5dirasuek.com tcp
US 8.8.8.8:53 229.198.34.52.in-addr.arpa udp
FI 193.166.255.171:80 lousta.net tcp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 10.27.171.150.in-addr.arpa udp
FI 193.166.255.171:80 lousta.net tcp

Files

memory/1400-0-0x0000000000400000-0x000000000042B000-memory.dmp

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

MD5 367a4d5c56963d25dc720d5493adf075
SHA1 71d452260e310475b3187c628b92373afc80d5ea
SHA256 40a055df22fce9856f4047f7484138ea3509f907e436f342bca792975c9d18fa
SHA512 1630a61c2d3ae8bc92715b7c1010d36487cd3ec1c7d5569d6a592878b391aa2df4347c56e9cfc67b77e6abb6a8ed50bfb691a83ee8401e3a76637508a2afe92d

memory/2224-4-0x0000000000400000-0x000000000042B000-memory.dmp

memory/1400-6-0x0000000000400000-0x000000000042B000-memory.dmp

memory/2224-7-0x0000000000400000-0x000000000042B000-memory.dmp

C:\Windows\SysWOW64\omsecor.exe

MD5 468ce399ba81d50931acda6926aa67c7
SHA1 92949b58e72f11ec6c2ada0566cab83462bba4ff
SHA256 6867315e0b865e5b290ef651e67e60cd0d2dcfe3976356b4b0652082741f40d6
SHA512 b2cc216f678d6a6da57290fac44eeade9cdf651d7110297841793f30829fc1c8bd5676be1d988ed8880b6b473388abbcd660602d189dfdf537dbb5affddcb77e

memory/2224-13-0x0000000000400000-0x000000000042B000-memory.dmp

memory/228-11-0x0000000000400000-0x000000000042B000-memory.dmp

memory/228-17-0x0000000000400000-0x000000000042B000-memory.dmp

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

MD5 c69c6e1bb6a9689d6ba17e072c8fe4d5
SHA1 9c2c53bfc9050e7a9fab9dad7ef2473a290c7277
SHA256 91de31eb751765b42bdd862514b67ea102d22c2513f9a1e53840412b4d7c3e7f
SHA512 17215b3fd2c3b8233d7c98c988cb337f6a54e778385b989debda1b1b6b88b31c99768b0378ddf2f24241a9be8d456be1e00131a3f00e98ea51c249c79b94cc02

memory/3420-19-0x0000000000400000-0x000000000042B000-memory.dmp

memory/3420-20-0x0000000000400000-0x000000000042B000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-17 02:41

Reported

2024-08-17 02:43

Platform

win7-20240729-en

Max time kernel

104s

Max time network

105s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4879e835b8353821918e1fd5785caf60N.exe"

Signatures

Neconyd

trojan neconyd

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\omsecor.exe N/A
N/A N/A C:\Windows\SysWOW64\omsecor.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\omsecor.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File created C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Roaming\omsecor.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\omsecor.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Roaming\omsecor.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\4879e835b8353821918e1fd5785caf60N.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1976 wrote to memory of 648 N/A C:\Users\Admin\AppData\Local\Temp\4879e835b8353821918e1fd5785caf60N.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 1976 wrote to memory of 648 N/A C:\Users\Admin\AppData\Local\Temp\4879e835b8353821918e1fd5785caf60N.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 1976 wrote to memory of 648 N/A C:\Users\Admin\AppData\Local\Temp\4879e835b8353821918e1fd5785caf60N.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 1976 wrote to memory of 648 N/A C:\Users\Admin\AppData\Local\Temp\4879e835b8353821918e1fd5785caf60N.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 648 wrote to memory of 2496 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 648 wrote to memory of 2496 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 648 wrote to memory of 2496 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 648 wrote to memory of 2496 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 2496 wrote to memory of 2764 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2496 wrote to memory of 2764 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2496 wrote to memory of 2764 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2496 wrote to memory of 2764 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe

Processes

C:\Users\Admin\AppData\Local\Temp\4879e835b8353821918e1fd5785caf60N.exe

"C:\Users\Admin\AppData\Local\Temp\4879e835b8353821918e1fd5785caf60N.exe"

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

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

C:\Windows\SysWOW64\omsecor.exe

C:\Windows\System32\omsecor.exe

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 lousta.net udp
FI 193.166.255.171:80 lousta.net tcp
FI 193.166.255.171:80 lousta.net tcp
US 8.8.8.8:53 mkkuei4kdsz.com udp
US 64.225.91.73:80 mkkuei4kdsz.com tcp
US 8.8.8.8:53 ow5dirasuek.com udp
US 52.34.198.229:80 ow5dirasuek.com tcp
FI 193.166.255.171:80 lousta.net tcp

Files

memory/1976-0-0x0000000000400000-0x000000000042B000-memory.dmp

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

MD5 367a4d5c56963d25dc720d5493adf075
SHA1 71d452260e310475b3187c628b92373afc80d5ea
SHA256 40a055df22fce9856f4047f7484138ea3509f907e436f342bca792975c9d18fa
SHA512 1630a61c2d3ae8bc92715b7c1010d36487cd3ec1c7d5569d6a592878b391aa2df4347c56e9cfc67b77e6abb6a8ed50bfb691a83ee8401e3a76637508a2afe92d

memory/648-10-0x0000000000400000-0x000000000042B000-memory.dmp

memory/1976-8-0x0000000000400000-0x000000000042B000-memory.dmp

memory/648-12-0x0000000000400000-0x000000000042B000-memory.dmp

\Windows\SysWOW64\omsecor.exe

MD5 966085d30eb4ea3b26859d3300e79423
SHA1 3cdedbbe8c69ad8a32bd6614f924eab2e1ff13e3
SHA256 c8919920b12cf93b78c764abd6f98dcfd2764c7a8253d053d1f4aa7d0e4c6b5a
SHA512 edb1f2b1327529c4726a320b9af10e8362627fd368dbccf8870d6f8ace2e2433bac0b5ad41d3f8a597e9dc0277ac9556748ba3b386cfcca5a10880284aac85f8

memory/648-17-0x0000000001FA0000-0x0000000001FCB000-memory.dmp

memory/648-25-0x0000000000400000-0x000000000042B000-memory.dmp

memory/648-23-0x0000000001FA0000-0x0000000001FCB000-memory.dmp

memory/2496-30-0x0000000000220000-0x000000000024B000-memory.dmp

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

MD5 6800621b0efe3fe8a6edb7908beb3d0b
SHA1 29d3688c5505f3ee62184c14516a664c5b822f42
SHA256 40b2ceca10655e2fcde11063dbeaa184aecc0ba66a3871f3be5a5624f30423fe
SHA512 19d34ed5e0775877c56ad621e8db64b7f94887f3ed8c0aa7e6166ff4448af3e0f510f13a440cd017d61524a9bbca60d696c74697a8251376917e2ae67ee85d51

memory/2496-36-0x0000000000400000-0x000000000042B000-memory.dmp

memory/2764-38-0x0000000000400000-0x000000000042B000-memory.dmp