Malware Analysis Report

2024-11-16 12:59

Sample ID 240817-rqrypszfjf
Target 4b9cd8607cd11b1241a6568b76590180N.exe
SHA256 0bca38d3c8d845cf5430b416cd2b552cb0959a0a453bc59efb018b1599257bd6
Tags
discovery neconyd 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

0bca38d3c8d845cf5430b416cd2b552cb0959a0a453bc59efb018b1599257bd6

Threat Level: Known bad

The file 4b9cd8607cd11b1241a6568b76590180N.exe was found to be: Known bad.

Malicious Activity Summary

discovery neconyd trojan

Neconyd

Neconyd family

Program crash

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-17 14:24

Signatures

Neconyd family

neconyd

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-17 14:24

Reported

2024-08-17 14:26

Platform

win7-20240705-en

Max time kernel

15s

Max time network

17s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4b9cd8607cd11b1241a6568b76590180N.exe"

Signatures

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\4b9cd8607cd11b1241a6568b76590180N.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\4b9cd8607cd11b1241a6568b76590180N.exe

"C:\Users\Admin\AppData\Local\Temp\4b9cd8607cd11b1241a6568b76590180N.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1240 -s 36

Network

N/A

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-17 14:24

Reported

2024-08-17 14:26

Platform

win10v2004-20240802-en

Max time kernel

102s

Max time network

102s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4b9cd8607cd11b1241a6568b76590180N.exe"

Signatures

Neconyd

trojan neconyd

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\4b9cd8607cd11b1241a6568b76590180N.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\4b9cd8607cd11b1241a6568b76590180N.exe

"C:\Users\Admin\AppData\Local\Temp\4b9cd8607cd11b1241a6568b76590180N.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 2304 -ip 2304

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2304 -s 224

Network

Country Destination Domain Proto
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 2.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.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
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 192.142.123.92.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 48.229.111.52.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

Files

memory/2304-0-0x0000000000400000-0x0000000000437000-memory.dmp