Malware Analysis Report

2024-11-16 12:57

Sample ID 240816-kgavhavdra
Target c709bdc0ac6e00cdddcbf4ea5e32e3c0N.exe
SHA256 c2ca43db39c66b86d3e1439d425a370b1651ff1ac8b31d81137733c40dfc493d
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

c2ca43db39c66b86d3e1439d425a370b1651ff1ac8b31d81137733c40dfc493d

Threat Level: Known bad

The file c709bdc0ac6e00cdddcbf4ea5e32e3c0N.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

2024-08-16 08:33

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 08:33

Reported

2024-08-16 08:35

Platform

win7-20240708-en

Max time kernel

16s

Max time network

17s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c709bdc0ac6e00cdddcbf4ea5e32e3c0N.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\c709bdc0ac6e00cdddcbf4ea5e32e3c0N.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\c709bdc0ac6e00cdddcbf4ea5e32e3c0N.exe

"C:\Users\Admin\AppData\Local\Temp\c709bdc0ac6e00cdddcbf4ea5e32e3c0N.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2080 -s 36

Network

N/A

Files

memory/2080-1-0x0000000000400000-0x000000000044F000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-16 08:33

Reported

2024-08-16 08:35

Platform

win10v2004-20240802-en

Max time kernel

115s

Max time network

119s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c709bdc0ac6e00cdddcbf4ea5e32e3c0N.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\c709bdc0ac6e00cdddcbf4ea5e32e3c0N.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\c709bdc0ac6e00cdddcbf4ea5e32e3c0N.exe

"C:\Users\Admin\AppData\Local\Temp\c709bdc0ac6e00cdddcbf4ea5e32e3c0N.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4564 -ip 4564

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4564 -s 224

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=3960,i,15436195446242760253,4000484513008731869,262144 --variations-seed-version --mojo-platform-channel-handle=4212 /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 76.32.126.40.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 57.169.31.20.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.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
US 8.8.8.8:53 10.28.171.150.in-addr.arpa udp

Files

memory/4564-0-0x0000000000400000-0x000000000044F000-memory.dmp

memory/4564-1-0x0000000000400000-0x000000000044F000-memory.dmp