Malware Analysis Report

2024-09-11 08:28

Sample ID 240620-1wh3esygjd
Target 4f0bbbb25ad1dc81b80719b0f0b83672fe398bffad82b06f1b118d21a3441418
SHA256 4f0bbbb25ad1dc81b80719b0f0b83672fe398bffad82b06f1b118d21a3441418
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

4f0bbbb25ad1dc81b80719b0f0b83672fe398bffad82b06f1b118d21a3441418

Threat Level: Known bad

The file 4f0bbbb25ad1dc81b80719b0f0b83672fe398bffad82b06f1b118d21a3441418 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

2024-06-20 21:59

Signatures

Neconyd family

neconyd

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-20 21:59

Reported

2024-06-20 22:02

Platform

win7-20240508-en

Max time kernel

146s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4f0bbbb25ad1dc81b80719b0f0b83672fe398bffad82b06f1b118d21a3441418.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\4f0bbbb25ad1dc81b80719b0f0b83672fe398bffad82b06f1b118d21a3441418.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\4f0bbbb25ad1dc81b80719b0f0b83672fe398bffad82b06f1b118d21a3441418.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 1612 wrote to memory of 1952 N/A C:\Users\Admin\AppData\Local\Temp\4f0bbbb25ad1dc81b80719b0f0b83672fe398bffad82b06f1b118d21a3441418.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 1612 wrote to memory of 1952 N/A C:\Users\Admin\AppData\Local\Temp\4f0bbbb25ad1dc81b80719b0f0b83672fe398bffad82b06f1b118d21a3441418.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 1612 wrote to memory of 1952 N/A C:\Users\Admin\AppData\Local\Temp\4f0bbbb25ad1dc81b80719b0f0b83672fe398bffad82b06f1b118d21a3441418.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 1612 wrote to memory of 1952 N/A C:\Users\Admin\AppData\Local\Temp\4f0bbbb25ad1dc81b80719b0f0b83672fe398bffad82b06f1b118d21a3441418.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 1952 wrote to memory of 380 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 1952 wrote to memory of 380 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 1952 wrote to memory of 380 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 1952 wrote to memory of 380 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 380 wrote to memory of 620 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 380 wrote to memory of 620 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 380 wrote to memory of 620 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 380 wrote to memory of 620 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe

Processes

C:\Users\Admin\AppData\Local\Temp\4f0bbbb25ad1dc81b80719b0f0b83672fe398bffad82b06f1b118d21a3441418.exe

"C:\Users\Admin\AppData\Local\Temp\4f0bbbb25ad1dc81b80719b0f0b83672fe398bffad82b06f1b118d21a3441418.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
US 8.8.8.8:53 lousta.net udp
US 8.8.8.8:53 mkkuei4kdsz.com udp
US 8.8.8.8:53 ow5dirasuek.com udp
US 8.8.8.8:53 lousta.net udp
US 8.8.8.8:53 lousta.net udp
US 8.8.8.8:53 mkkuei4kdsz.com udp

Files

memory/1612-0-0x0000000000400000-0x000000000042B000-memory.dmp

memory/1612-8-0x0000000000400000-0x000000000042B000-memory.dmp

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

MD5 a2864cedce63bbee3b3e9e92db69953d
SHA1 74b64a87b2d73fa162009fc4554b612dcce8dedb
SHA256 77e72fb7e9b511e876ace38a895819cde78433bfe62423fcc6ad7c978eaa2397
SHA512 4a519bf03f4a6c2a10b17cf2a5810270bb94b95f0863b043c69e49042e5e9461b22af2efa2ff56d90c6deaf6841103877c0f161cd8f0cb5f3eb13b4e7b9bf40f

memory/1952-10-0x0000000000400000-0x000000000042B000-memory.dmp

memory/1952-12-0x0000000000400000-0x000000000042B000-memory.dmp

\Windows\SysWOW64\omsecor.exe

MD5 7742accb4580cd86d04ff2b8211c9a40
SHA1 552c99239e1159e530984a7a3cb7a17571bc2e1e
SHA256 74aab2dbe9bb98f8de870ec49e6a7ed781eb5dc9579bd5b0dc2765c9bc0cc343
SHA512 cc6a04574131619dfffa6353e58bef8332b7288634ad15716faf601e691babc8f0b6f8171de5fddcac6aaf3967b826b882a8a4774ea94bc045fc1d70bbbe9422

memory/1952-15-0x0000000000350000-0x000000000037B000-memory.dmp

memory/380-28-0x0000000001B70000-0x0000000001B9B000-memory.dmp

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

MD5 8bdfc2035d356787c4000441dc47922a
SHA1 8d54254516040bb582972ff2cf8296e3b886c8a6
SHA256 01763effe2625ed2ac06056474d1e79297e8c99bde006e4cb906248291d71663
SHA512 cd26c06c5cb6c475e6cee0b009083e314e72fee661788cea6c44aed9b7ec83909b3c2d02fcf49d7618b6cdd946b6652c7b4e085c4d75fa2415327ff2bc548275

memory/380-25-0x0000000000400000-0x000000000042B000-memory.dmp

memory/1952-21-0x0000000000400000-0x000000000042B000-memory.dmp

memory/620-34-0x0000000000400000-0x000000000042B000-memory.dmp

memory/620-36-0x0000000000400000-0x000000000042B000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-20 21:59

Reported

2024-06-20 22:02

Platform

win10v2004-20240611-en

Max time kernel

146s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4f0bbbb25ad1dc81b80719b0f0b83672fe398bffad82b06f1b118d21a3441418.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

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
File opened for modification C:\Windows\SysWOW64\merocz.xc6 C:\Windows\SysWOW64\omsecor.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3964 wrote to memory of 2876 N/A C:\Users\Admin\AppData\Local\Temp\4f0bbbb25ad1dc81b80719b0f0b83672fe398bffad82b06f1b118d21a3441418.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 3964 wrote to memory of 2876 N/A C:\Users\Admin\AppData\Local\Temp\4f0bbbb25ad1dc81b80719b0f0b83672fe398bffad82b06f1b118d21a3441418.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 3964 wrote to memory of 2876 N/A C:\Users\Admin\AppData\Local\Temp\4f0bbbb25ad1dc81b80719b0f0b83672fe398bffad82b06f1b118d21a3441418.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2876 wrote to memory of 804 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 2876 wrote to memory of 804 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 2876 wrote to memory of 804 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe

Processes

C:\Users\Admin\AppData\Local\Temp\4f0bbbb25ad1dc81b80719b0f0b83672fe398bffad82b06f1b118d21a3441418.exe

"C:\Users\Admin\AppData\Local\Temp\4f0bbbb25ad1dc81b80719b0f0b83672fe398bffad82b06f1b118d21a3441418.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

Network

Country Destination Domain Proto
US 8.8.8.8:53 lousta.net udp
FI 193.166.255.171:80 lousta.net tcp
US 8.8.8.8:53 171.255.166.193.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 71.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
FI 193.166.255.171:80 lousta.net tcp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
FI 193.166.255.171:80 lousta.net tcp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 mkkuei4kdsz.com udp
US 64.225.91.73:80 mkkuei4kdsz.com tcp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 73.91.225.64.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.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 29.243.111.52.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
US 64.225.91.73:80 mkkuei4kdsz.com tcp

Files

memory/3964-0-0x0000000000400000-0x000000000042B000-memory.dmp

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

MD5 a2864cedce63bbee3b3e9e92db69953d
SHA1 74b64a87b2d73fa162009fc4554b612dcce8dedb
SHA256 77e72fb7e9b511e876ace38a895819cde78433bfe62423fcc6ad7c978eaa2397
SHA512 4a519bf03f4a6c2a10b17cf2a5810270bb94b95f0863b043c69e49042e5e9461b22af2efa2ff56d90c6deaf6841103877c0f161cd8f0cb5f3eb13b4e7b9bf40f

memory/3964-4-0x0000000000400000-0x000000000042B000-memory.dmp

memory/2876-6-0x0000000000400000-0x000000000042B000-memory.dmp

memory/2876-7-0x0000000000400000-0x000000000042B000-memory.dmp

C:\Windows\SysWOW64\omsecor.exe

MD5 63facc42e359ec34e3e9d28fe7615494
SHA1 0c7d112dfb6298e63a56315bc36dc8ec215df326
SHA256 be6afe4e202bd0bfa10e0b725d9118144e8045771218561b571b2da8da52735f
SHA512 100f0f19be4fb94bb4ac799349c760ef63adcf5a3ce241050099c015c64e513938081917afcf263e145487e33e28f65e746a507a4a79dd8982fdab328a5fc4d5

memory/2876-12-0x0000000000400000-0x000000000042B000-memory.dmp

memory/804-13-0x0000000000400000-0x000000000042B000-memory.dmp

memory/804-14-0x0000000000400000-0x000000000042B000-memory.dmp