Malware Analysis Report

2024-11-16 12:58

Sample ID 240819-hb841asekq
Target 715d0f66d1da6354501cbce1ddafcf70N.exe
SHA256 99bfebce7806c08da91d12f048c22e73bd22f565110b1ca335d067fcb2e5c285
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

99bfebce7806c08da91d12f048c22e73bd22f565110b1ca335d067fcb2e5c285

Threat Level: Known bad

The file 715d0f66d1da6354501cbce1ddafcf70N.exe 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 06:34

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 06:34

Reported

2024-08-19 06:37

Platform

win7-20240705-en

Max time kernel

119s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\715d0f66d1da6354501cbce1ddafcf70N.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\715d0f66d1da6354501cbce1ddafcf70N.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\715d0f66d1da6354501cbce1ddafcf70N.exe

"C:\Users\Admin\AppData\Local\Temp\715d0f66d1da6354501cbce1ddafcf70N.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2152 -s 36

Network

N/A

Files

memory/2152-1-0x0000000000400000-0x000000000044F000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-19 06:34

Reported

2024-08-19 06:36

Platform

win10v2004-20240802-en

Max time kernel

100s

Max time network

101s

Command Line

"C:\Users\Admin\AppData\Local\Temp\715d0f66d1da6354501cbce1ddafcf70N.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\715d0f66d1da6354501cbce1ddafcf70N.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\715d0f66d1da6354501cbce1ddafcf70N.exe

"C:\Users\Admin\AppData\Local\Temp\715d0f66d1da6354501cbce1ddafcf70N.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 2296 -ip 2296

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2296 -s 224

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 68.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
NL 52.111.243.31:443 tcp
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/2296-0-0x0000000000400000-0x000000000044F000-memory.dmp

memory/2296-1-0x0000000000400000-0x000000000044F000-memory.dmp