Malware Analysis Report

2024-11-16 12:58

Sample ID 240816-2el87a1dpg
Target 2781b28cafdaeeb6ed8201532250efc0N.exe
SHA256 8286cfaf782438f5e33dbcb32e3beef20e70f4e0b6424e548928b54003eedadb
Tags
upx 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

8286cfaf782438f5e33dbcb32e3beef20e70f4e0b6424e548928b54003eedadb

Threat Level: Known bad

The file 2781b28cafdaeeb6ed8201532250efc0N.exe was found to be: Known bad.

Malicious Activity Summary

upx neconyd discovery trojan

Neconyd family

Neconyd

UPX packed file

Program crash

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-16 22:29

Signatures

Neconyd family

neconyd

UPX packed file

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

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-16 22:29

Reported

2024-08-16 22:31

Platform

win7-20240704-en

Max time kernel

9s

Max time network

16s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2781b28cafdaeeb6ed8201532250efc0N.exe"

Signatures

Neconyd

trojan neconyd

UPX packed file

upx
Description Indicator Process Target
N/A N/A N/A 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\2781b28cafdaeeb6ed8201532250efc0N.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2781b28cafdaeeb6ed8201532250efc0N.exe

"C:\Users\Admin\AppData\Local\Temp\2781b28cafdaeeb6ed8201532250efc0N.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3012 -s 36

Network

N/A

Files

memory/3012-1-0x0000000000400000-0x000000000044F000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-16 22:29

Reported

2024-08-16 22:31

Platform

win10v2004-20240802-en

Max time kernel

108s

Max time network

109s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2781b28cafdaeeb6ed8201532250efc0N.exe"

Signatures

Neconyd

trojan neconyd

UPX packed file

upx
Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A 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\2781b28cafdaeeb6ed8201532250efc0N.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2781b28cafdaeeb6ed8201532250efc0N.exe

"C:\Users\Admin\AppData\Local\Temp\2781b28cafdaeeb6ed8201532250efc0N.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3568 -ip 3568

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3568 -s 224

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.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 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
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 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/3568-0-0x0000000000400000-0x000000000044F000-memory.dmp

memory/3568-1-0x0000000000400000-0x000000000044F000-memory.dmp