Malware Analysis Report

2024-11-16 12:58

Sample ID 240819-a56lzavcjg
Target 7e5d54619f5f99d5ccb3cfa51e1b6da0N.exe
SHA256 f4a96017c9d48a136133b44b8ed0b752cecc70c4ad1e851e8c282d737a24c9a0
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

f4a96017c9d48a136133b44b8ed0b752cecc70c4ad1e851e8c282d737a24c9a0

Threat Level: Known bad

The file 7e5d54619f5f99d5ccb3cfa51e1b6da0N.exe was found to be: Known bad.

Malicious Activity Summary

neconyd discovery trojan upx

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 00:48

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

2024-08-19 00:48

Reported

2024-08-19 00:50

Platform

win10v2004-20240802-en

Max time kernel

102s

Max time network

103s

Command Line

"C:\Users\Admin\AppData\Local\Temp\7e5d54619f5f99d5ccb3cfa51e1b6da0N.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\7e5d54619f5f99d5ccb3cfa51e1b6da0N.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\7e5d54619f5f99d5ccb3cfa51e1b6da0N.exe

"C:\Users\Admin\AppData\Local\Temp\7e5d54619f5f99d5ccb3cfa51e1b6da0N.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 3772 -ip 3772

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3772 -s 224

Network

Country Destination Domain Proto
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 18.58.20.217.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/3772-0-0x0000000000400000-0x000000000044F000-memory.dmp

memory/3772-1-0x0000000000400000-0x000000000044F000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-19 00:48

Reported

2024-08-19 00:50

Platform

win7-20240729-en

Max time kernel

118s

Max time network

119s

Command Line

"C:\Users\Admin\AppData\Local\Temp\7e5d54619f5f99d5ccb3cfa51e1b6da0N.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\7e5d54619f5f99d5ccb3cfa51e1b6da0N.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\7e5d54619f5f99d5ccb3cfa51e1b6da0N.exe

"C:\Users\Admin\AppData\Local\Temp\7e5d54619f5f99d5ccb3cfa51e1b6da0N.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2488 -s 36

Network

N/A

Files

memory/2488-1-0x0000000000400000-0x000000000044F000-memory.dmp