Malware Analysis Report

2024-09-11 08:31

Sample ID 240615-c9nm3awhrc
Target d9ed3597f67b72e850a47e91126755ac53bd5392b484773483304ea72f24d504
SHA256 d9ed3597f67b72e850a47e91126755ac53bd5392b484773483304ea72f24d504
Tags
neconyd trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

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

d9ed3597f67b72e850a47e91126755ac53bd5392b484773483304ea72f24d504

Threat Level: Known bad

The file d9ed3597f67b72e850a47e91126755ac53bd5392b484773483304ea72f24d504 was found to be: Known bad.

Malicious Activity Summary

neconyd trojan

Neconyd family

Neconyd

Loads dropped DLL

Executes dropped EXE

Drops file in System32 directory

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK Matrix

N/A

Analysis: static1

Detonation Overview

Reported

2024-06-15 02:46

Signatures

Neconyd family

neconyd

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-15 02:46

Reported

2024-06-15 02:49

Platform

win10v2004-20240611-en

Max time kernel

145s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\d9ed3597f67b72e850a47e91126755ac53bd5392b484773483304ea72f24d504.exe"

Signatures

Neconyd

trojan neconyd

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\omsecor.exe N/A
N/A N/A C:\Windows\SysWOW64\omsecor.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\omsecor.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File created C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1176 wrote to memory of 4252 N/A C:\Users\Admin\AppData\Local\Temp\d9ed3597f67b72e850a47e91126755ac53bd5392b484773483304ea72f24d504.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 1176 wrote to memory of 4252 N/A C:\Users\Admin\AppData\Local\Temp\d9ed3597f67b72e850a47e91126755ac53bd5392b484773483304ea72f24d504.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 1176 wrote to memory of 4252 N/A C:\Users\Admin\AppData\Local\Temp\d9ed3597f67b72e850a47e91126755ac53bd5392b484773483304ea72f24d504.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 4252 wrote to memory of 4644 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 4252 wrote to memory of 4644 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 4252 wrote to memory of 4644 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 4644 wrote to memory of 2944 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 4644 wrote to memory of 2944 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 4644 wrote to memory of 2944 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe

Processes

C:\Users\Admin\AppData\Local\Temp\d9ed3597f67b72e850a47e91126755ac53bd5392b484773483304ea72f24d504.exe

"C:\Users\Admin\AppData\Local\Temp\d9ed3597f67b72e850a47e91126755ac53bd5392b484773483304ea72f24d504.exe"

C:\Users\Admin\AppData\Roaming\omsecor.exe

C:\Users\Admin\AppData\Roaming\omsecor.exe

C:\Windows\SysWOW64\omsecor.exe

C:\Windows\System32\omsecor.exe

C:\Users\Admin\AppData\Roaming\omsecor.exe

C:\Users\Admin\AppData\Roaming\omsecor.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 lousta.net udp
FI 193.166.255.171:80 lousta.net tcp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
NL 23.62.61.97:443 www.bing.com tcp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 71.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
NL 23.62.61.97:443 www.bing.com tcp
US 8.8.8.8:53 97.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 240.197.17.2.in-addr.arpa udp
FI 193.166.255.171:80 lousta.net tcp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 31.121.18.2.in-addr.arpa udp
US 8.8.8.8:53 mkkuei4kdsz.com udp
US 64.225.91.73:80 mkkuei4kdsz.com tcp
US 8.8.8.8:53 73.91.225.64.in-addr.arpa udp
US 8.8.8.8:53 ow5dirasuek.com udp
US 52.34.198.229:80 ow5dirasuek.com tcp
US 8.8.8.8:53 229.198.34.52.in-addr.arpa udp
FI 193.166.255.171:80 lousta.net tcp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
FI 193.166.255.171:80 lousta.net tcp
US 64.225.91.73:80 mkkuei4kdsz.com tcp

Files

memory/1176-0-0x0000000000400000-0x000000000042B000-memory.dmp

C:\Users\Admin\AppData\Roaming\omsecor.exe

MD5 5c38addb2183118c4c5d335595614407
SHA1 28096241da4aba818550bafd7734f90e4951225b
SHA256 4533882f2dcf4319e913528fc051dd7bc42bab5af3c5a56f3872c542d6b8574f
SHA512 d88c9031fba5b7c208dc31a8680b7db7abafe165aa03387d0a1f497a2c48bdc291710bc2a6460abeb9db3324f1e6b2d59b77f8163bf6ad9cce6106a6ad4f4e42

memory/1176-4-0x0000000000400000-0x000000000042B000-memory.dmp

memory/4252-5-0x0000000000400000-0x000000000042B000-memory.dmp

memory/4252-7-0x0000000000400000-0x000000000042B000-memory.dmp

memory/4252-12-0x0000000000400000-0x000000000042B000-memory.dmp

C:\Windows\SysWOW64\omsecor.exe

MD5 2fded275d41bdbddf8e4e3c787f3b4da
SHA1 411e45480d9d35c91f8db535bd88143dd57b63ac
SHA256 88ac5be5897d0f0f5458eb08ff5e72ac2050ada8e68cd0ce2d4dfc030515c1e7
SHA512 080eeea92d1d9bd6dda6612529f969212262e73dbbc7f1c08ec7d59a626b0466449f77db4767d2ec2899238609b3f242db3aae8693678b8b11885951b7aba029

memory/4644-13-0x0000000000400000-0x000000000042B000-memory.dmp

memory/4644-16-0x0000000000400000-0x000000000042B000-memory.dmp

C:\Users\Admin\AppData\Roaming\omsecor.exe

MD5 d3f19f985078af18d3b8aaf70476defc
SHA1 6041b3dbce64582dc3e54b1404529edb29f83aee
SHA256 c7d9a938984f83996106b62e09f5949166cad9959ea3878be344a3a0866ad693
SHA512 58e043009e66393a86e107d53f1b8ca61b01b59d9282c856e8853fb2904e9e69ff28e7191aa77f624dd8dd1a53376eb3181177d7893c4f14312f9b290e5f21fd

memory/2944-18-0x0000000000400000-0x000000000042B000-memory.dmp

memory/2944-20-0x0000000000400000-0x000000000042B000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-15 02:46

Reported

2024-06-15 02:49

Platform

win7-20240611-en

Max time kernel

147s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\d9ed3597f67b72e850a47e91126755ac53bd5392b484773483304ea72f24d504.exe"

Signatures

Neconyd

trojan neconyd

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\omsecor.exe N/A
N/A N/A C:\Windows\SysWOW64\omsecor.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\omsecor.exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\d9ed3597f67b72e850a47e91126755ac53bd5392b484773483304ea72f24d504.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\d9ed3597f67b72e850a47e91126755ac53bd5392b484773483304ea72f24d504.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\omsecor.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\omsecor.exe N/A
N/A N/A C:\Windows\SysWOW64\omsecor.exe N/A
N/A N/A C:\Windows\SysWOW64\omsecor.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File created C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2768 wrote to memory of 2560 N/A C:\Users\Admin\AppData\Local\Temp\d9ed3597f67b72e850a47e91126755ac53bd5392b484773483304ea72f24d504.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2768 wrote to memory of 2560 N/A C:\Users\Admin\AppData\Local\Temp\d9ed3597f67b72e850a47e91126755ac53bd5392b484773483304ea72f24d504.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2768 wrote to memory of 2560 N/A C:\Users\Admin\AppData\Local\Temp\d9ed3597f67b72e850a47e91126755ac53bd5392b484773483304ea72f24d504.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2768 wrote to memory of 2560 N/A C:\Users\Admin\AppData\Local\Temp\d9ed3597f67b72e850a47e91126755ac53bd5392b484773483304ea72f24d504.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2560 wrote to memory of 2972 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 2560 wrote to memory of 2972 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 2560 wrote to memory of 2972 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 2560 wrote to memory of 2972 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 2972 wrote to memory of 1920 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2972 wrote to memory of 1920 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2972 wrote to memory of 1920 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2972 wrote to memory of 1920 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe

Processes

C:\Users\Admin\AppData\Local\Temp\d9ed3597f67b72e850a47e91126755ac53bd5392b484773483304ea72f24d504.exe

"C:\Users\Admin\AppData\Local\Temp\d9ed3597f67b72e850a47e91126755ac53bd5392b484773483304ea72f24d504.exe"

C:\Users\Admin\AppData\Roaming\omsecor.exe

C:\Users\Admin\AppData\Roaming\omsecor.exe

C:\Windows\SysWOW64\omsecor.exe

C:\Windows\System32\omsecor.exe

C:\Users\Admin\AppData\Roaming\omsecor.exe

C:\Users\Admin\AppData\Roaming\omsecor.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 lousta.net udp
FI 193.166.255.171:80 lousta.net tcp
FI 193.166.255.171:80 lousta.net tcp
US 8.8.8.8:53 mkkuei4kdsz.com udp
US 64.225.91.73:80 mkkuei4kdsz.com tcp
US 8.8.8.8:53 ow5dirasuek.com udp
US 52.34.198.229:80 ow5dirasuek.com tcp
FI 193.166.255.171:80 lousta.net tcp
FI 193.166.255.171:80 lousta.net tcp
US 64.225.91.73:80 mkkuei4kdsz.com tcp

Files

memory/2768-0-0x0000000000400000-0x000000000042B000-memory.dmp

C:\Users\Admin\AppData\Roaming\omsecor.exe

MD5 5c38addb2183118c4c5d335595614407
SHA1 28096241da4aba818550bafd7734f90e4951225b
SHA256 4533882f2dcf4319e913528fc051dd7bc42bab5af3c5a56f3872c542d6b8574f
SHA512 d88c9031fba5b7c208dc31a8680b7db7abafe165aa03387d0a1f497a2c48bdc291710bc2a6460abeb9db3324f1e6b2d59b77f8163bf6ad9cce6106a6ad4f4e42

memory/2768-8-0x0000000000400000-0x000000000042B000-memory.dmp

memory/2560-11-0x0000000000400000-0x000000000042B000-memory.dmp

memory/2560-12-0x0000000000400000-0x000000000042B000-memory.dmp

\Windows\SysWOW64\omsecor.exe

MD5 85fc7721e6d1c9933eeaba6af85c0479
SHA1 0cbe94f8c7ad64b7fcdf073d242ae48cc709b29d
SHA256 f1ffe9d22663f41dd7967c75703e6923a8aa4f82603fae2185251523225be81d
SHA512 a644540f49a1d2f0d49779bf4243304fe5724491007f663f8b49b77c54499b9030f57ef2ec0707e26d6a2c996eaefee663f0ee79d4622c9755d2eb7fbdd5b99a

memory/2560-17-0x0000000000310000-0x000000000033B000-memory.dmp

memory/2560-23-0x0000000000400000-0x000000000042B000-memory.dmp

\Users\Admin\AppData\Roaming\omsecor.exe

MD5 a15c855cfab82287ca0e456fbbde6da9
SHA1 ac46ef2ea8e5e3bbb11a05243d31ae5a968fa656
SHA256 a0a468a777fb9b2ad43fbcc6c72629b2fc05c28dbdc343139840e3e43bf067a2
SHA512 4e08d0b14c18cf41e5d2b9b00d514988b2c7b884c84bc4128fe0b199757b8fc6f5d69e9f6bc399408f1d7ee63b2723b110c17d5544f3263ad114ce33912d408f

memory/2972-34-0x0000000000400000-0x000000000042B000-memory.dmp

memory/1920-36-0x0000000000400000-0x000000000042B000-memory.dmp

memory/1920-37-0x0000000000400000-0x000000000042B000-memory.dmp