Malware Analysis Report

2024-11-16 13:01

Sample ID 240521-ckfwxsef69
Target a351c06234e5017015edf3d4161101283856631150650e148ef085bb6d7829f0
SHA256 a351c06234e5017015edf3d4161101283856631150650e148ef085bb6d7829f0
Tags
neconyd trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

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

a351c06234e5017015edf3d4161101283856631150650e148ef085bb6d7829f0

Threat Level: Known bad

The file a351c06234e5017015edf3d4161101283856631150650e148ef085bb6d7829f0 was found to be: Known bad.

Malicious Activity Summary

neconyd trojan

Neconyd family

Neconyd

Executes dropped EXE

Loads dropped DLL

Drops file in System32 directory

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-05-21 02:07

Signatures

Neconyd family

neconyd

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-21 02:07

Reported

2024-05-21 02:10

Platform

win7-20240508-en

Max time kernel

149s

Max time network

128s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a351c06234e5017015edf3d4161101283856631150650e148ef085bb6d7829f0.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 2368 wrote to memory of 1580 N/A C:\Users\Admin\AppData\Local\Temp\a351c06234e5017015edf3d4161101283856631150650e148ef085bb6d7829f0.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2368 wrote to memory of 1580 N/A C:\Users\Admin\AppData\Local\Temp\a351c06234e5017015edf3d4161101283856631150650e148ef085bb6d7829f0.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2368 wrote to memory of 1580 N/A C:\Users\Admin\AppData\Local\Temp\a351c06234e5017015edf3d4161101283856631150650e148ef085bb6d7829f0.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2368 wrote to memory of 1580 N/A C:\Users\Admin\AppData\Local\Temp\a351c06234e5017015edf3d4161101283856631150650e148ef085bb6d7829f0.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 1580 wrote to memory of 2188 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 1580 wrote to memory of 2188 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 1580 wrote to memory of 2188 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 1580 wrote to memory of 2188 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 2188 wrote to memory of 1548 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2188 wrote to memory of 1548 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2188 wrote to memory of 1548 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2188 wrote to memory of 1548 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe

Processes

C:\Users\Admin\AppData\Local\Temp\a351c06234e5017015edf3d4161101283856631150650e148ef085bb6d7829f0.exe

"C:\Users\Admin\AppData\Local\Temp\a351c06234e5017015edf3d4161101283856631150650e148ef085bb6d7829f0.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
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 35.91.124.102:80 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 tcp

Files

memory/2368-0-0x0000000000400000-0x000000000042A000-memory.dmp

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

MD5 ce2ce9ff6b0a911945c633179a9e68ec
SHA1 96e256e794f15cc3cb9330e018c1959a42af4146
SHA256 e120f486fbc69dd0ec4359be05a8da3b7aac670b4ef295fafb16b389f2b33648
SHA512 0caad7747fdeb922d0acbad068e707a43ccc8eb454eca00b16db34364e3165a108378fb12b3604fb1cb9b98d81f6360bd428d981a59aa84d9413a257087d0817

memory/2368-8-0x0000000000400000-0x000000000042A000-memory.dmp

memory/1580-10-0x0000000000400000-0x000000000042A000-memory.dmp

memory/1580-12-0x0000000000400000-0x000000000042A000-memory.dmp

\Windows\SysWOW64\omsecor.exe

MD5 b95f995ef0da04e7610fad1c00af05b3
SHA1 031ba39c4f0a1c5453c426899dd775898e34d6e6
SHA256 c93f231d5e905adbeeb98b62cc6d34912f6e50a149db17a7da715e22db9cbcb7
SHA512 e642e8541be7855116e2ba9f6545956a98a088cb6984481270ae95c7b70df7a1b0e9dbd3668e931dbc20ec23953db4fe7913c58c598b96dc773a8c558a5a0686

memory/1580-17-0x0000000000290000-0x00000000002BA000-memory.dmp

memory/1580-23-0x0000000000400000-0x000000000042A000-memory.dmp

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

MD5 a8d6dda465ebe73bce21729ec34ec904
SHA1 b8bf0c74bdac1e7ec1522e8246ec23cc401a200c
SHA256 a46c633fc2ec3a3e9ba3162e64aa4968b45ab1e35a9fee363837a11df76141fc
SHA512 15df12d5f8fff6afca53e2923fafc5dd51f717b25cc348dd7c8c57a6c44cbcc0bbce47b61880ecf3cf4ca726b6b413c8f52197d397cb572e5117ad2ce84d41ec

memory/2188-29-0x0000000000220000-0x000000000024A000-memory.dmp

memory/2188-34-0x0000000000400000-0x000000000042A000-memory.dmp

memory/1548-37-0x0000000000400000-0x000000000042A000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-21 02:07

Reported

2024-05-21 02:10

Platform

win10v2004-20240426-en

Max time kernel

149s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a351c06234e5017015edf3d4161101283856631150650e148ef085bb6d7829f0.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

Processes

C:\Users\Admin\AppData\Local\Temp\a351c06234e5017015edf3d4161101283856631150650e148ef085bb6d7829f0.exe

"C:\Users\Admin\AppData\Local\Temp\a351c06234e5017015edf3d4161101283856631150650e148ef085bb6d7829f0.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 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
NL 23.62.61.194:443 www.bing.com tcp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 79.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 20.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 194.61.62.23.in-addr.arpa udp
NL 23.62.61.194:443 www.bing.com tcp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.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 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 ow5dirasuek.com udp
US 35.91.124.102:80 ow5dirasuek.com tcp
US 8.8.8.8:53 102.124.91.35.in-addr.arpa udp
FI 193.166.255.171:80 lousta.net tcp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
FI 193.166.255.171:80 lousta.net tcp
US 64.225.91.73:80 mkkuei4kdsz.com tcp
US 8.8.8.8:53 udp

Files

memory/4312-0-0x0000000000400000-0x000000000042A000-memory.dmp

memory/3056-6-0x0000000000400000-0x000000000042A000-memory.dmp

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

MD5 ce2ce9ff6b0a911945c633179a9e68ec
SHA1 96e256e794f15cc3cb9330e018c1959a42af4146
SHA256 e120f486fbc69dd0ec4359be05a8da3b7aac670b4ef295fafb16b389f2b33648
SHA512 0caad7747fdeb922d0acbad068e707a43ccc8eb454eca00b16db34364e3165a108378fb12b3604fb1cb9b98d81f6360bd428d981a59aa84d9413a257087d0817

memory/4312-4-0x0000000000400000-0x000000000042A000-memory.dmp

memory/3056-7-0x0000000000400000-0x000000000042A000-memory.dmp

C:\Windows\SysWOW64\omsecor.exe

MD5 360ab65a6eb3cb63c5e9aa3e48aeae73
SHA1 2f8cd9e24e4fc04b6c994e50fa70f7d0c2494316
SHA256 6e20846450c8438d3966e57d7be1e4852616c80ba77402dc788c8790b3fcffc9
SHA512 ba1770cda8fbb4fbaf2747805c238194b6466160268d78e3432142a11dbc9c57ea8d2608b9fc1d6157c2460bd57043d2404b4e5beab7d04eb53575212ed02ad1

memory/3056-11-0x0000000000400000-0x000000000042A000-memory.dmp

memory/4864-12-0x0000000000400000-0x000000000042A000-memory.dmp

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

MD5 7daf008ad8fca977f555fcb5b0d6556d
SHA1 a40f7b4397f4d48af23bcbd3f5a3357caa258de5
SHA256 cc075b13170f37aab73ad056133dc5943fb5b1bb22dc3c8422fa81279ffd3dd3
SHA512 47135d50c71b9f910115a0efd9f7721fdca37e7ac47a1abe2a8bf1adb56541fdddf880dce707ac0ab03cbf813e9a808ef5d1869d8647996493b42e0de2263c22

memory/4864-17-0x0000000000400000-0x000000000042A000-memory.dmp

memory/2956-18-0x0000000000400000-0x000000000042A000-memory.dmp

memory/2956-20-0x0000000000400000-0x000000000042A000-memory.dmp