Malware Analysis Report

2024-09-11 08:33

Sample ID 240610-w3kglswbpb
Target e17aa7f26a7ec25f9c750a49075df6f0727950c93acabb331db504b0cad34691
SHA256 e17aa7f26a7ec25f9c750a49075df6f0727950c93acabb331db504b0cad34691
Tags
neconyd trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

e17aa7f26a7ec25f9c750a49075df6f0727950c93acabb331db504b0cad34691

Threat Level: Known bad

The file e17aa7f26a7ec25f9c750a49075df6f0727950c93acabb331db504b0cad34691 was found to be: Known bad.

Malicious Activity Summary

neconyd trojan

Neconyd

Neconyd family

Executes dropped EXE

Loads dropped DLL

Drops file in System32 directory

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK Matrix

N/A

Analysis: static1

Detonation Overview

Reported

2024-06-10 18:26

Signatures

Neconyd family

neconyd

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-10 18:26

Reported

2024-06-10 18:29

Platform

win7-20231129-en

Max time kernel

146s

Max time network

147s

Command Line

"C:\Users\Admin\AppData\Local\Temp\e17aa7f26a7ec25f9c750a49075df6f0727950c93acabb331db504b0cad34691.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

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\e17aa7f26a7ec25f9c750a49075df6f0727950c93acabb331db504b0cad34691.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\e17aa7f26a7ec25f9c750a49075df6f0727950c93acabb331db504b0cad34691.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\omsecor.exe N/A
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:\Windows\SysWOW64\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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1276 wrote to memory of 2196 N/A C:\Users\Admin\AppData\Local\Temp\e17aa7f26a7ec25f9c750a49075df6f0727950c93acabb331db504b0cad34691.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 1276 wrote to memory of 2196 N/A C:\Users\Admin\AppData\Local\Temp\e17aa7f26a7ec25f9c750a49075df6f0727950c93acabb331db504b0cad34691.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 1276 wrote to memory of 2196 N/A C:\Users\Admin\AppData\Local\Temp\e17aa7f26a7ec25f9c750a49075df6f0727950c93acabb331db504b0cad34691.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 1276 wrote to memory of 2196 N/A C:\Users\Admin\AppData\Local\Temp\e17aa7f26a7ec25f9c750a49075df6f0727950c93acabb331db504b0cad34691.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2196 wrote to memory of 2436 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 2196 wrote to memory of 2436 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 2196 wrote to memory of 2436 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 2196 wrote to memory of 2436 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 2436 wrote to memory of 1112 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2436 wrote to memory of 1112 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2436 wrote to memory of 1112 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2436 wrote to memory of 1112 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe

Processes

C:\Users\Admin\AppData\Local\Temp\e17aa7f26a7ec25f9c750a49075df6f0727950c93acabb331db504b0cad34691.exe

"C:\Users\Admin\AppData\Local\Temp\e17aa7f26a7ec25f9c750a49075df6f0727950c93acabb331db504b0cad34691.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
FI 193.166.255.171:80 lousta.net tcp
US 64.225.91.73:80 mkkuei4kdsz.com tcp

Files

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

MD5 884b8209e134f8c39caa35c14f4e451c
SHA1 fbfc73dff3f96977082b8db215fbbfc294364ef5
SHA256 fd5b9129ff0a03dd76dae9b6c9ca72d6ee227160a0881be2d544412c3c258776
SHA512 2d64f03316b5de35c13075fbaa0624ebb33ac1c3a97c1f5ec15c3c1e6064968f8ed9095f1e09a9a492c9929c669b57249ebc165ee76a341800e5c9565fd04d99

\Windows\SysWOW64\omsecor.exe

MD5 c14c17a9ea6ea48ac8440c41ac85d9cb
SHA1 13d33efcf6955c0c92066e05460ca649ac4c6300
SHA256 21fed92f157a452a93f0e5f1cd5e0b2a013c0a4a032a548743c6270cad592439
SHA512 a472d6777253de4f2c669b8b160ec733e32fc69b54684537fb9a26a9367266466b4895d34a137e697c787c4b863b1b0fa120068fc3ba0d574452e822898bf204

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

MD5 3996e31ef78318a16668eedcb620ab54
SHA1 38a8b07386be2c46ad17d268327f339a8bb84665
SHA256 985544575779a0696441ea7eb3a79737f7fb715a481c4d43daa5f3689624d327
SHA512 95a18f35a68daa84d47c555d0f23b24c625f8fb72565e5af5905f13e59ac987b80b972db6b6c5b5bfac177daac88467a0bb218208617b9a87bc4c2a9130d9d8e

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-10 18:26

Reported

2024-06-10 18:29

Platform

win10v2004-20240426-en

Max time kernel

145s

Max time network

147s

Command Line

"C:\Users\Admin\AppData\Local\Temp\e17aa7f26a7ec25f9c750a49075df6f0727950c93acabb331db504b0cad34691.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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4620 wrote to memory of 3136 N/A C:\Users\Admin\AppData\Local\Temp\e17aa7f26a7ec25f9c750a49075df6f0727950c93acabb331db504b0cad34691.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 4620 wrote to memory of 3136 N/A C:\Users\Admin\AppData\Local\Temp\e17aa7f26a7ec25f9c750a49075df6f0727950c93acabb331db504b0cad34691.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 4620 wrote to memory of 3136 N/A C:\Users\Admin\AppData\Local\Temp\e17aa7f26a7ec25f9c750a49075df6f0727950c93acabb331db504b0cad34691.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 3136 wrote to memory of 3484 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 3136 wrote to memory of 3484 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 3136 wrote to memory of 3484 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 3484 wrote to memory of 4416 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 3484 wrote to memory of 4416 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 3484 wrote to memory of 4416 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe

Processes

C:\Users\Admin\AppData\Local\Temp\e17aa7f26a7ec25f9c750a49075df6f0727950c93acabb331db504b0cad34691.exe

"C:\Users\Admin\AppData\Local\Temp\e17aa7f26a7ec25f9c750a49075df6f0727950c93acabb331db504b0cad34691.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 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 145.83.221.88.in-addr.arpa udp
US 8.8.8.8:53 134.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
FI 193.166.255.171:80 lousta.net tcp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.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 74.83.221.88.in-addr.arpa udp
US 8.8.8.8:53 73.91.225.64.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 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
FI 193.166.255.171:80 lousta.net tcp
US 64.225.91.73:80 mkkuei4kdsz.com tcp

Files

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

MD5 884b8209e134f8c39caa35c14f4e451c
SHA1 fbfc73dff3f96977082b8db215fbbfc294364ef5
SHA256 fd5b9129ff0a03dd76dae9b6c9ca72d6ee227160a0881be2d544412c3c258776
SHA512 2d64f03316b5de35c13075fbaa0624ebb33ac1c3a97c1f5ec15c3c1e6064968f8ed9095f1e09a9a492c9929c669b57249ebc165ee76a341800e5c9565fd04d99

C:\Windows\SysWOW64\omsecor.exe

MD5 d19a9889f718a731d14d4f53d4e674bd
SHA1 93b224463d7ff3117dcc821b3d1a8344699279b5
SHA256 fb0da6e47d775c7fb307a703c30ca9656409081f0c19ec00cffb474cabb1c73b
SHA512 133150bad6bdbba9637fad1e296785236143a0a533146de86d3430762aee62ab9cc7b20841e25e943318f0520e9d455b3fd2e120885abbeb4715f7d5445ad53c

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

MD5 4d4512ecbfceef0d81593fc404b6a11f
SHA1 b979584fdd2d0638801d80dfbff6d2a3c31031e2
SHA256 e297f761dc3551a8dbf6d1882108adf99a101599468ecf3c4fac126a1868fe27
SHA512 b3a367326d82dc6e7b4e15611626324acf09bb295312b84560dd5d95b97d3df00fb52396387ccf96b46c2d62c988d91e5987969f4710f3335ee6872257a92bea