Malware Analysis Report

2024-11-16 12:58

Sample ID 240819-dmkhka1cmc
Target eed91496b1f4110c43c734872f6833f1f8e6edc5c61757088ec847ea6774666e
SHA256 eed91496b1f4110c43c734872f6833f1f8e6edc5c61757088ec847ea6774666e
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

eed91496b1f4110c43c734872f6833f1f8e6edc5c61757088ec847ea6774666e

Threat Level: Known bad

The file eed91496b1f4110c43c734872f6833f1f8e6edc5c61757088ec847ea6774666e was found to be: Known bad.

Malicious Activity Summary

upx neconyd discovery trojan

Neconyd family

Neconyd

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

2024-08-19 03:07

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

2024-08-19 03:07

Reported

2024-08-19 03:10

Platform

win7-20240704-en

Max time kernel

121s

Max time network

126s

Command Line

"C:\Users\Admin\AppData\Local\Temp\eed91496b1f4110c43c734872f6833f1f8e6edc5c61757088ec847ea6774666e.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\eed91496b1f4110c43c734872f6833f1f8e6edc5c61757088ec847ea6774666e.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\eed91496b1f4110c43c734872f6833f1f8e6edc5c61757088ec847ea6774666e.exe

"C:\Users\Admin\AppData\Local\Temp\eed91496b1f4110c43c734872f6833f1f8e6edc5c61757088ec847ea6774666e.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1356 -s 36

Network

N/A

Files

memory/1356-1-0x0000000000400000-0x000000000044F000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-19 03:07

Reported

2024-08-19 03:10

Platform

win10v2004-20240802-en

Max time kernel

139s

Max time network

145s

Command Line

"C:\Users\Admin\AppData\Local\Temp\eed91496b1f4110c43c734872f6833f1f8e6edc5c61757088ec847ea6774666e.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\eed91496b1f4110c43c734872f6833f1f8e6edc5c61757088ec847ea6774666e.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\eed91496b1f4110c43c734872f6833f1f8e6edc5c61757088ec847ea6774666e.exe

"C:\Users\Admin\AppData\Local\Temp\eed91496b1f4110c43c734872f6833f1f8e6edc5c61757088ec847ea6774666e.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2388 -ip 2388

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2388 -s 228

Network

Country Destination Domain Proto
US 8.8.8.8:53 71.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 25.140.123.92.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 58.99.105.20.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.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/2388-0-0x0000000000400000-0x000000000044F000-memory.dmp

memory/2388-1-0x0000000000400000-0x000000000044F000-memory.dmp