Malware Analysis Report

2024-11-16 12:57

Sample ID 240816-xnllssvclm
Target 6ef2573a8dd0497240e244124e266030N.exe
SHA256 675b3838041ec39344cfac7ceb3a369463b76ab86f393eca61b4aa538fe65662
Tags
neconyd discovery trojan upx
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

675b3838041ec39344cfac7ceb3a369463b76ab86f393eca61b4aa538fe65662

Threat Level: Known bad

The file 6ef2573a8dd0497240e244124e266030N.exe was found to be: Known bad.

Malicious Activity Summary

neconyd discovery trojan upx

Neconyd

Neconyd family

UPX packed file

Unsigned PE

Program crash

System Location Discovery: System Language Discovery

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-16 19:00

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: behavioral2

Detonation Overview

Submitted

2024-08-16 19:00

Reported

2024-08-16 19:02

Platform

win10v2004-20240802-en

Max time kernel

98s

Max time network

98s

Command Line

"C:\Users\Admin\AppData\Local\Temp\6ef2573a8dd0497240e244124e266030N.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\6ef2573a8dd0497240e244124e266030N.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\6ef2573a8dd0497240e244124e266030N.exe

"C:\Users\Admin\AppData\Local\Temp\6ef2573a8dd0497240e244124e266030N.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4284 -ip 4284

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4284 -s 224

Network

Country Destination Domain Proto
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 140.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp

Files

memory/4284-0-0x0000000000400000-0x000000000044F000-memory.dmp

memory/4284-1-0x0000000000400000-0x000000000044F000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-16 19:00

Reported

2024-08-16 19:02

Platform

win7-20240729-en

Max time kernel

16s

Max time network

17s

Command Line

"C:\Users\Admin\AppData\Local\Temp\6ef2573a8dd0497240e244124e266030N.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\6ef2573a8dd0497240e244124e266030N.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\6ef2573a8dd0497240e244124e266030N.exe

"C:\Users\Admin\AppData\Local\Temp\6ef2573a8dd0497240e244124e266030N.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2072 -s 36

Network

N/A

Files

memory/2072-1-0x0000000000400000-0x000000000044F000-memory.dmp