Malware Analysis Report

2024-09-11 08:25

Sample ID 240618-zj9h6swekb
Target 40e1083824229a9da81d9a1c508a43b157a8186b8768640ba54116ef7582e98b
SHA256 40e1083824229a9da81d9a1c508a43b157a8186b8768640ba54116ef7582e98b
Tags
neconyd trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

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

40e1083824229a9da81d9a1c508a43b157a8186b8768640ba54116ef7582e98b

Threat Level: Known bad

The file 40e1083824229a9da81d9a1c508a43b157a8186b8768640ba54116ef7582e98b was found to be: Known bad.

Malicious Activity Summary

neconyd trojan

Neconyd family

Neconyd

Executes dropped EXE

Loads dropped DLL

Drops file in System32 directory

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK Matrix

N/A

Analysis: static1

Detonation Overview

Reported

2024-06-18 20:46

Signatures

Neconyd family

neconyd

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-18 20:46

Reported

2024-06-18 20:48

Platform

win7-20240508-en

Max time kernel

146s

Max time network

147s

Command Line

"C:\Users\Admin\AppData\Local\Temp\40e1083824229a9da81d9a1c508a43b157a8186b8768640ba54116ef7582e98b.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\40e1083824229a9da81d9a1c508a43b157a8186b8768640ba54116ef7582e98b.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\40e1083824229a9da81d9a1c508a43b157a8186b8768640ba54116ef7582e98b.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 2916 wrote to memory of 2996 N/A C:\Users\Admin\AppData\Local\Temp\40e1083824229a9da81d9a1c508a43b157a8186b8768640ba54116ef7582e98b.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2916 wrote to memory of 2996 N/A C:\Users\Admin\AppData\Local\Temp\40e1083824229a9da81d9a1c508a43b157a8186b8768640ba54116ef7582e98b.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2916 wrote to memory of 2996 N/A C:\Users\Admin\AppData\Local\Temp\40e1083824229a9da81d9a1c508a43b157a8186b8768640ba54116ef7582e98b.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2916 wrote to memory of 2996 N/A C:\Users\Admin\AppData\Local\Temp\40e1083824229a9da81d9a1c508a43b157a8186b8768640ba54116ef7582e98b.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2996 wrote to memory of 2812 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 2996 wrote to memory of 2812 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 2996 wrote to memory of 2812 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 2996 wrote to memory of 2812 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 2812 wrote to memory of 2232 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2812 wrote to memory of 2232 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2812 wrote to memory of 2232 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2812 wrote to memory of 2232 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe

Processes

C:\Users\Admin\AppData\Local\Temp\40e1083824229a9da81d9a1c508a43b157a8186b8768640ba54116ef7582e98b.exe

"C:\Users\Admin\AppData\Local\Temp\40e1083824229a9da81d9a1c508a43b157a8186b8768640ba54116ef7582e98b.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/2916-0-0x0000000000400000-0x000000000042A000-memory.dmp

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

MD5 222d335af8273ea7035f67db206aede2
SHA1 412c5cc81f87c1ced354f3a2de03269503ee7abe
SHA256 f4d7cb76317b97be2dc2e3f12ce61cbdcd63ea8e20eadb570fa6b009646f6c3f
SHA512 6bf5f15a0cc9dbab717d5226ad50bca2b2e6b9dfb23a3eca1570cc39d7eab97876a4b2118465f766811244a526e35da6303ba69e4eb633b52d6826c66c7a31e0

memory/2916-8-0x0000000000400000-0x000000000042A000-memory.dmp

memory/2996-11-0x0000000000400000-0x000000000042A000-memory.dmp

memory/2996-12-0x0000000000400000-0x000000000042A000-memory.dmp

\Windows\SysWOW64\omsecor.exe

MD5 2d5214ad926da7e5bbcb9a53681defaf
SHA1 931592b9780faf8aeec8507cbb7ee767d34e3f1d
SHA256 85773d4dddc136c907b8e0ab05d8bf2e89b83983131012c617e9078963c8e15a
SHA512 5f0c3f58af383f5b150e5ece568988f84dbcd1dcd9e885c7371ddca59d3136fc8eb1dcacabef4568fe4d8705460d5f57e2524bf2eb6f40ff75c2666e9645ae8c

memory/2996-17-0x0000000000280000-0x00000000002AA000-memory.dmp

memory/2996-23-0x0000000000400000-0x000000000042A000-memory.dmp

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

MD5 5dddfe23ea47c8da6ed7e34054e6d0ed
SHA1 8eb3518906b00ee9474e9f5af0478298c2783751
SHA256 a0bc06d7b3888ad6d1484f0f82e66b2ac2ba1403dc4091130e8d57154d207c0f
SHA512 00fb613d444e30336f85b78c1498b07dacba29be2c6da21e186f927eee535163e13e47dbdbaca2b147893f7843b3a8b2daad7fdefbaf7901eb54ae8169034db8

memory/2812-33-0x0000000000400000-0x000000000042A000-memory.dmp

memory/2232-35-0x0000000000400000-0x000000000042A000-memory.dmp

memory/2232-37-0x0000000000400000-0x000000000042A000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-18 20:46

Reported

2024-06-18 20:48

Platform

win10v2004-20240611-en

Max time kernel

145s

Max time network

147s

Command Line

"C:\Users\Admin\AppData\Local\Temp\40e1083824229a9da81d9a1c508a43b157a8186b8768640ba54116ef7582e98b.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 1968 wrote to memory of 3412 N/A C:\Users\Admin\AppData\Local\Temp\40e1083824229a9da81d9a1c508a43b157a8186b8768640ba54116ef7582e98b.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 1968 wrote to memory of 3412 N/A C:\Users\Admin\AppData\Local\Temp\40e1083824229a9da81d9a1c508a43b157a8186b8768640ba54116ef7582e98b.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 1968 wrote to memory of 3412 N/A C:\Users\Admin\AppData\Local\Temp\40e1083824229a9da81d9a1c508a43b157a8186b8768640ba54116ef7582e98b.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 3412 wrote to memory of 1200 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 3412 wrote to memory of 1200 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 3412 wrote to memory of 1200 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 1200 wrote to memory of 1576 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 1200 wrote to memory of 1576 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 1200 wrote to memory of 1576 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe

Processes

C:\Users\Admin\AppData\Local\Temp\40e1083824229a9da81d9a1c508a43b157a8186b8768640ba54116ef7582e98b.exe

"C:\Users\Admin\AppData\Local\Temp\40e1083824229a9da81d9a1c508a43b157a8186b8768640ba54116ef7582e98b.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 67.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 100.58.20.217.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
FI 193.166.255.171:80 lousta.net tcp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 24.121.18.2.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 8.8.8.8:53 240.221.184.93.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 11.227.111.52.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 8.8.8.8:53 10.27.171.150.in-addr.arpa udp
FI 193.166.255.171:80 lousta.net tcp
US 64.225.91.73:80 mkkuei4kdsz.com tcp

Files

memory/1968-1-0x0000000000400000-0x000000000042A000-memory.dmp

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

MD5 222d335af8273ea7035f67db206aede2
SHA1 412c5cc81f87c1ced354f3a2de03269503ee7abe
SHA256 f4d7cb76317b97be2dc2e3f12ce61cbdcd63ea8e20eadb570fa6b009646f6c3f
SHA512 6bf5f15a0cc9dbab717d5226ad50bca2b2e6b9dfb23a3eca1570cc39d7eab97876a4b2118465f766811244a526e35da6303ba69e4eb633b52d6826c66c7a31e0

memory/3412-5-0x0000000000400000-0x000000000042A000-memory.dmp

memory/1968-6-0x0000000000400000-0x000000000042A000-memory.dmp

memory/3412-7-0x0000000000400000-0x000000000042A000-memory.dmp

C:\Windows\SysWOW64\omsecor.exe

MD5 2e773b992ff6b12a0ad26771db7379e8
SHA1 05a204d4ca6e21ee4b974345003d0ad14f98cfc3
SHA256 3f3c85a462d3f0d0ee8e0aabca808453b77308741c6b7580cd69c4299006518b
SHA512 808eb507728220603fe1885b3c053ceedda6a7d8c3bb385880cb5354f73478832ee5d47c87a5a7bbc7a033c8176cdfc483189597e79e2883a33b01a01bcb65d9

memory/3412-12-0x0000000000400000-0x000000000042A000-memory.dmp

memory/1200-13-0x0000000000400000-0x000000000042A000-memory.dmp

memory/1200-17-0x0000000000400000-0x000000000042A000-memory.dmp

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

MD5 69f0c1ebc9238494178847694a721f36
SHA1 64f513ac7074e84834052bcea914728a752f9c50
SHA256 27b9e88281ac40d173729ced5e2291b263fb7aa1abf7bed69c25e89712088e74
SHA512 feb8b40a8dd0214852acc30f06e5673b509501985625e85b57246763277b133f8a7f031673c45a9f84a4d84c7ce6f8b5d52eb219edc6b738624bfa4420397088

memory/1576-18-0x0000000000400000-0x000000000042A000-memory.dmp

memory/1576-20-0x0000000000400000-0x000000000042A000-memory.dmp