Malware Analysis Report

2024-09-11 08:39

Sample ID 240610-ygbnpaydmj
Target 23f1cc2a85f5d3d8477e30bb590f49a5cad85e6852013aafe3fd3956edb6daec
SHA256 23f1cc2a85f5d3d8477e30bb590f49a5cad85e6852013aafe3fd3956edb6daec
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

23f1cc2a85f5d3d8477e30bb590f49a5cad85e6852013aafe3fd3956edb6daec

Threat Level: Known bad

The file 23f1cc2a85f5d3d8477e30bb590f49a5cad85e6852013aafe3fd3956edb6daec was found to be: Known bad.

Malicious Activity Summary

neconyd trojan

Neconyd family

Neconyd

Loads dropped DLL

Executes dropped EXE

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 19:44

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 19:44

Reported

2024-06-10 19:47

Platform

win7-20240508-en

Max time kernel

146s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\23f1cc2a85f5d3d8477e30bb590f49a5cad85e6852013aafe3fd3956edb6daec.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\23f1cc2a85f5d3d8477e30bb590f49a5cad85e6852013aafe3fd3956edb6daec.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\23f1cc2a85f5d3d8477e30bb590f49a5cad85e6852013aafe3fd3956edb6daec.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 3016 wrote to memory of 3004 N/A C:\Users\Admin\AppData\Local\Temp\23f1cc2a85f5d3d8477e30bb590f49a5cad85e6852013aafe3fd3956edb6daec.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 3016 wrote to memory of 3004 N/A C:\Users\Admin\AppData\Local\Temp\23f1cc2a85f5d3d8477e30bb590f49a5cad85e6852013aafe3fd3956edb6daec.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 3016 wrote to memory of 3004 N/A C:\Users\Admin\AppData\Local\Temp\23f1cc2a85f5d3d8477e30bb590f49a5cad85e6852013aafe3fd3956edb6daec.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 3016 wrote to memory of 3004 N/A C:\Users\Admin\AppData\Local\Temp\23f1cc2a85f5d3d8477e30bb590f49a5cad85e6852013aafe3fd3956edb6daec.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 3004 wrote to memory of 1616 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 3004 wrote to memory of 1616 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 3004 wrote to memory of 1616 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 3004 wrote to memory of 1616 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 1616 wrote to memory of 1756 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 1616 wrote to memory of 1756 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 1616 wrote to memory of 1756 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 1616 wrote to memory of 1756 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe

Processes

C:\Users\Admin\AppData\Local\Temp\23f1cc2a85f5d3d8477e30bb590f49a5cad85e6852013aafe3fd3956edb6daec.exe

"C:\Users\Admin\AppData\Local\Temp\23f1cc2a85f5d3d8477e30bb590f49a5cad85e6852013aafe3fd3956edb6daec.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

Files

memory/3016-1-0x0000000000400000-0x000000000042B000-memory.dmp

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

MD5 87a76cd035092ba6167c1f7a0dc3f429
SHA1 2d2467c570c9a4e55be26689fa6294d89e101f93
SHA256 135cd542cbd81dd60f6e2aac0ff93c83a63aaf963b7b892372ab182eb012a60c
SHA512 3f680a87322fadcfa4befbd8239d9d610eb30e08f6237d456e56685f0715becefe4ba2eebdd9e21ac6b5b5e9373dd5e15224a3cd2b79c03f4e7c580d852ffc38

memory/3004-9-0x0000000000400000-0x000000000042B000-memory.dmp

memory/3004-11-0x0000000000400000-0x000000000042B000-memory.dmp

\Windows\SysWOW64\omsecor.exe

MD5 077e4f5c91be8709ebf5604183ba5148
SHA1 009a855ed77aa0e539c148826bb7ca878b88f9a8
SHA256 55b727f3670d5ca8c7485785f68ddaec1056076a98c6b8afa2b840e309a6ca34
SHA512 c98d600b79d424eb2b5dcd6241f938421b502a16dea4348a43dab7518243f3b9c5c68c735d9912d63fa895db136b996a57885e72d148b260e2a8f9ab3013714b

memory/3004-14-0x0000000001F70000-0x0000000001F9B000-memory.dmp

memory/3004-20-0x0000000000400000-0x000000000042B000-memory.dmp

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

MD5 41c3a55114501f7d982c4d7aa7f20d39
SHA1 b3a6d54b9ecb063a41dcbdb9d7a695f87b2e1752
SHA256 5d454c64511713a03dad1b4eb42c24e4d39d2cf4aeb90d9a9ed4240f8a1836b8
SHA512 84910586179ba7cbed39a93bd0b6d8127a77d02b05a8051a4645695a21982db58e7d91d0de4c626ad88fb8601b3cace57c4d88417a929bf6ffcc3521031ab003

memory/1616-30-0x0000000000400000-0x000000000042B000-memory.dmp

memory/1756-32-0x0000000000400000-0x000000000042B000-memory.dmp

memory/1756-34-0x0000000000400000-0x000000000042B000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-10 19:44

Reported

2024-06-10 19:47

Platform

win10v2004-20240426-en

Max time kernel

145s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\23f1cc2a85f5d3d8477e30bb590f49a5cad85e6852013aafe3fd3956edb6daec.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 4920 wrote to memory of 4040 N/A C:\Users\Admin\AppData\Local\Temp\23f1cc2a85f5d3d8477e30bb590f49a5cad85e6852013aafe3fd3956edb6daec.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 4920 wrote to memory of 4040 N/A C:\Users\Admin\AppData\Local\Temp\23f1cc2a85f5d3d8477e30bb590f49a5cad85e6852013aafe3fd3956edb6daec.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 4920 wrote to memory of 4040 N/A C:\Users\Admin\AppData\Local\Temp\23f1cc2a85f5d3d8477e30bb590f49a5cad85e6852013aafe3fd3956edb6daec.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 4040 wrote to memory of 424 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 4040 wrote to memory of 424 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 4040 wrote to memory of 424 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 424 wrote to memory of 4136 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 424 wrote to memory of 4136 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 424 wrote to memory of 4136 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe

Processes

C:\Users\Admin\AppData\Local\Temp\23f1cc2a85f5d3d8477e30bb590f49a5cad85e6852013aafe3fd3956edb6daec.exe

"C:\Users\Admin\AppData\Local\Temp\23f1cc2a85f5d3d8477e30bb590f49a5cad85e6852013aafe3fd3956edb6daec.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 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 75.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.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 15.164.165.52.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 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
FI 193.166.255.171:80 lousta.net tcp
US 64.225.91.73:80 mkkuei4kdsz.com tcp

Files

memory/4920-0-0x0000000000400000-0x000000000042B000-memory.dmp

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

MD5 87a76cd035092ba6167c1f7a0dc3f429
SHA1 2d2467c570c9a4e55be26689fa6294d89e101f93
SHA256 135cd542cbd81dd60f6e2aac0ff93c83a63aaf963b7b892372ab182eb012a60c
SHA512 3f680a87322fadcfa4befbd8239d9d610eb30e08f6237d456e56685f0715becefe4ba2eebdd9e21ac6b5b5e9373dd5e15224a3cd2b79c03f4e7c580d852ffc38

memory/4920-4-0x0000000000400000-0x000000000042B000-memory.dmp

memory/4040-5-0x0000000000400000-0x000000000042B000-memory.dmp

memory/4040-7-0x0000000000400000-0x000000000042B000-memory.dmp

C:\Windows\SysWOW64\omsecor.exe

MD5 0ff6be9a80ec7f52f0435f46f1cf5fec
SHA1 9c93d4adff66d672bf6fb49e6ae85f684d489058
SHA256 a7b12c121500e541625347c3fbf93b48404d0a801c451d1a124f69c562bae906
SHA512 8556c3f0577ef90d80a2776ed2d4cb1280b1e9a6c4b179250a062f1aa87a3af8dd750d76217ece7b25ee2e365c8a595f7e6e36e17afbf742c4158f46141a7176

memory/4040-13-0x0000000000400000-0x000000000042B000-memory.dmp

memory/424-12-0x0000000000400000-0x000000000042B000-memory.dmp

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

MD5 3d1a464b03e6994317a1c32d6b364efc
SHA1 5af03ef9e2df9199c45e0a8e329884f63c99d821
SHA256 42312a0c61c6ce992189e0ce1486163bbfcd4efca27be7cced3d41eaef573dd8
SHA512 0bc3b8339a71a6b8c05f6d70f9609cc0dfba52c6a4df817a139f8efdca83bda9bf9f51505fbf69b0b9fb55901fe2817436d7fb74f49bfd9afdca9c3bad07fedb

memory/424-17-0x0000000000400000-0x000000000042B000-memory.dmp

memory/4136-18-0x0000000000400000-0x000000000042B000-memory.dmp

memory/4136-20-0x0000000000400000-0x000000000042B000-memory.dmp