Malware Analysis Report

2024-11-16 12:58

Sample ID 240819-agczrawdnp
Target a61c1566c8c60a14329ac3217712afdd022b4677aa9538a5d98fae9f9752de6f
SHA256 a61c1566c8c60a14329ac3217712afdd022b4677aa9538a5d98fae9f9752de6f
Tags
neconyd discovery trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

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

a61c1566c8c60a14329ac3217712afdd022b4677aa9538a5d98fae9f9752de6f

Threat Level: Known bad

The file a61c1566c8c60a14329ac3217712afdd022b4677aa9538a5d98fae9f9752de6f was found to be: Known bad.

Malicious Activity Summary

neconyd discovery trojan

Neconyd family

Neconyd

Executes dropped EXE

Loads dropped DLL

Drops file in System32 directory

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-19 00:10

Signatures

Neconyd family

neconyd

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-19 00:10

Reported

2024-08-19 00:13

Platform

win7-20240729-en

Max time kernel

145s

Max time network

147s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a61c1566c8c60a14329ac3217712afdd022b4677aa9538a5d98fae9f9752de6f.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:\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\a61c1566c8c60a14329ac3217712afdd022b4677aa9538a5d98fae9f9752de6f.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Roaming\omsecor.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1368 wrote to memory of 2456 N/A C:\Users\Admin\AppData\Local\Temp\a61c1566c8c60a14329ac3217712afdd022b4677aa9538a5d98fae9f9752de6f.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 1368 wrote to memory of 2456 N/A C:\Users\Admin\AppData\Local\Temp\a61c1566c8c60a14329ac3217712afdd022b4677aa9538a5d98fae9f9752de6f.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 1368 wrote to memory of 2456 N/A C:\Users\Admin\AppData\Local\Temp\a61c1566c8c60a14329ac3217712afdd022b4677aa9538a5d98fae9f9752de6f.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 1368 wrote to memory of 2456 N/A C:\Users\Admin\AppData\Local\Temp\a61c1566c8c60a14329ac3217712afdd022b4677aa9538a5d98fae9f9752de6f.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2456 wrote to memory of 2968 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 2456 wrote to memory of 2968 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 2456 wrote to memory of 2968 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 2456 wrote to memory of 2968 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 2968 wrote to memory of 2004 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2968 wrote to memory of 2004 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2968 wrote to memory of 2004 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2968 wrote to memory of 2004 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe

Processes

C:\Users\Admin\AppData\Local\Temp\a61c1566c8c60a14329ac3217712afdd022b4677aa9538a5d98fae9f9752de6f.exe

"C:\Users\Admin\AppData\Local\Temp\a61c1566c8c60a14329ac3217712afdd022b4677aa9538a5d98fae9f9752de6f.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

memory/1368-0-0x0000000000400000-0x000000000042B000-memory.dmp

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

MD5 fff7a8898ed69d53a1069422e07a8cf5
SHA1 173e886d68080a89b678d83fc81dae27bf4eec2e
SHA256 a34a8cb30dc6de3e649ca267af3ab484cf9dc417b71e037a27b88466a3d25c87
SHA512 3cdcbbaa41b5e52de0c442bc933457d09285d55feb77878f3a5aaad69c1df94d79b9bdebe3ae6e78a15fca90c7337cdc0995bdd23abed3a65c47599e92ac8579

memory/1368-4-0x0000000000220000-0x000000000024B000-memory.dmp

memory/1368-10-0x0000000000400000-0x000000000042B000-memory.dmp

memory/2456-12-0x0000000000400000-0x000000000042B000-memory.dmp

\Windows\SysWOW64\omsecor.exe

MD5 0499f646604daf8cd8e9302731544c04
SHA1 f262296a474890c1d246f92f8cd905b12df5c691
SHA256 02da21bf563dd5fe7b762bf867d93425f2f690ab5026dbb6e0528a45dcadae00
SHA512 676c1fb02034a510aa65921792a21d1099276194adf4287acfc338584c84a577684cf16ee9155d4b2c1d9d3133f5fdd6dc3444d32308ea05d069ee06a18aa014

memory/2456-25-0x0000000000400000-0x000000000042B000-memory.dmp

memory/2968-26-0x0000000000400000-0x000000000042B000-memory.dmp

memory/2456-23-0x00000000002C0000-0x00000000002EB000-memory.dmp

memory/2456-18-0x00000000002C0000-0x00000000002EB000-memory.dmp

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

MD5 5db3783567b304a426d3c053c2b8e7a6
SHA1 ffb31258a1e1334b23b1fa2950bd0c25610e5141
SHA256 76038503913d9aa94a4e24c6c330673e478b4f16969e8c2b73d4f210a4251610
SHA512 d3417faddc2f2a0023615c34b4ebaea2ccfef582779eaa43b5ba7a58dfb1dbdbca24e26ae1288060cb79fd9aaaf75d877fdc5c26b6c4a500d8a4f407d5653b67

memory/2004-37-0x0000000000400000-0x000000000042B000-memory.dmp

memory/2968-35-0x0000000000400000-0x000000000042B000-memory.dmp

memory/2004-39-0x0000000000400000-0x000000000042B000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-19 00:10

Reported

2024-08-19 00:13

Platform

win10v2004-20240802-en

Max time kernel

146s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a61c1566c8c60a14329ac3217712afdd022b4677aa9538a5d98fae9f9752de6f.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

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\a61c1566c8c60a14329ac3217712afdd022b4677aa9538a5d98fae9f9752de6f.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:\Windows\SysWOW64\omsecor.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\a61c1566c8c60a14329ac3217712afdd022b4677aa9538a5d98fae9f9752de6f.exe

"C:\Users\Admin\AppData\Local\Temp\a61c1566c8c60a14329ac3217712afdd022b4677aa9538a5d98fae9f9752de6f.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 g.bing.com udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 4.159.190.20.in-addr.arpa udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.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 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.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 43.58.199.20.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 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
FI 193.166.255.171:80 lousta.net tcp
US 64.225.91.73:80 mkkuei4kdsz.com tcp

Files

memory/536-0-0x0000000000400000-0x000000000042B000-memory.dmp

memory/3004-4-0x0000000000400000-0x000000000042B000-memory.dmp

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

MD5 fff7a8898ed69d53a1069422e07a8cf5
SHA1 173e886d68080a89b678d83fc81dae27bf4eec2e
SHA256 a34a8cb30dc6de3e649ca267af3ab484cf9dc417b71e037a27b88466a3d25c87
SHA512 3cdcbbaa41b5e52de0c442bc933457d09285d55feb77878f3a5aaad69c1df94d79b9bdebe3ae6e78a15fca90c7337cdc0995bdd23abed3a65c47599e92ac8579

memory/536-6-0x0000000000400000-0x000000000042B000-memory.dmp

memory/3004-7-0x0000000000400000-0x000000000042B000-memory.dmp

C:\Windows\SysWOW64\omsecor.exe

MD5 735a286099302942dc4e218a936ac677
SHA1 352d158d367ded555f2fad4bfb4df463ba07a4f2
SHA256 5e9a6f9b49597ec7f12d19d24d79cdfac1e7d13c426b2abb24337c6615bce1ee
SHA512 08c61d71c0d1eaed65472b183b3a379063d3ab322ad454c72bbc9966862c12452c67cb325dcf832f7bafd63e55d9ff92e26d291b2c517e1c605465212d001fec

memory/2776-11-0x0000000000400000-0x000000000042B000-memory.dmp

memory/3004-13-0x0000000000400000-0x000000000042B000-memory.dmp

memory/2776-14-0x0000000000400000-0x000000000042B000-memory.dmp