Malware Analysis Report

2024-11-16 12:59

Sample ID 240817-acl2vsydmq
Target 62370797b3bc357baadfe0b128785440N.exe
SHA256 51d84e686e08670c1f067b280170fff2323c461ba7e85f9a24c95495c9fb7074
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

51d84e686e08670c1f067b280170fff2323c461ba7e85f9a24c95495c9fb7074

Threat Level: Known bad

The file 62370797b3bc357baadfe0b128785440N.exe was found to be: Known bad.

Malicious Activity Summary

upx neconyd discovery trojan

Neconyd family

Neconyd

Executes dropped EXE

UPX packed file

Loads dropped DLL

Drops file in System32 directory

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-17 00:04

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

2024-08-17 00:04

Reported

2024-08-17 00:06

Platform

win7-20240708-en

Max time kernel

114s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\62370797b3bc357baadfe0b128785440N.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

UPX packed file

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

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\omsecor.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Roaming\omsecor.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\62370797b3bc357baadfe0b128785440N.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Roaming\omsecor.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2876 wrote to memory of 1852 N/A C:\Users\Admin\AppData\Local\Temp\62370797b3bc357baadfe0b128785440N.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2876 wrote to memory of 1852 N/A C:\Users\Admin\AppData\Local\Temp\62370797b3bc357baadfe0b128785440N.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2876 wrote to memory of 1852 N/A C:\Users\Admin\AppData\Local\Temp\62370797b3bc357baadfe0b128785440N.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2876 wrote to memory of 1852 N/A C:\Users\Admin\AppData\Local\Temp\62370797b3bc357baadfe0b128785440N.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 1852 wrote to memory of 2404 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 1852 wrote to memory of 2404 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 1852 wrote to memory of 2404 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 1852 wrote to memory of 2404 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 2404 wrote to memory of 2536 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2404 wrote to memory of 2536 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2404 wrote to memory of 2536 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2404 wrote to memory of 2536 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe

Processes

C:\Users\Admin\AppData\Local\Temp\62370797b3bc357baadfe0b128785440N.exe

"C:\Users\Admin\AppData\Local\Temp\62370797b3bc357baadfe0b128785440N.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

Files

memory/2876-0-0x0000000000400000-0x000000000043E000-memory.dmp

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

MD5 e942c57d288f971a9901c4b7e782c5de
SHA1 a0d2f805064382407a99b870ca24dc57b61b8264
SHA256 c4ee41d4096c0a42d3d5bc83f98001959079d40d14c649517463fb059e62ed38
SHA512 1bb11577f11be857b56504c4c588412e86145efb6c90d06f101db1757807b9496a5c9e9649ee578b3455f8796ba912253afa65ec4b92944eb3610538b57568ae

memory/1852-12-0x0000000000400000-0x000000000043E000-memory.dmp

memory/2876-10-0x00000000002D0000-0x000000000030E000-memory.dmp

memory/2876-9-0x0000000000400000-0x000000000043E000-memory.dmp

memory/2876-8-0x00000000002D0000-0x000000000030E000-memory.dmp

memory/1852-14-0x0000000000400000-0x000000000043E000-memory.dmp

memory/1852-24-0x0000000000400000-0x000000000043E000-memory.dmp

C:\Windows\SysWOW64\omsecor.exe

MD5 ad2902deec9560986021eecd60f56f3d
SHA1 bc67d4252f6aab330fdf429d2eadfff33f15853f
SHA256 df6ee5d33282892542a04f2fec7041605c38f8afffc617a4f2458e67e795d7e4
SHA512 d6a2308e75f90dd10c3a303c4564b0c410a9883c9c4bfb5f2f5da85c1e147208f2f7a8b6b759657db123de058709e1223ccebd9277942cab58b88a189183bb7e

memory/2404-28-0x0000000000400000-0x000000000043E000-memory.dmp

memory/2404-31-0x0000000000220000-0x000000000025E000-memory.dmp

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

MD5 bf5351455d5032ce8072938cae875ad6
SHA1 0bbc8b4207ab114b3faf76a531890e0cd0762fe1
SHA256 a938a21be8a755c9da53a9289fc496ba9f50bdee74624a62aaa14c61fb400a3a
SHA512 47db6fcd3ccfb3eae25633052d894ab728010cfc089578d07a534329ce78aa11d5bbf60cd55b015ff349acd5ee0ac10b6ef478298d8ef717f0bbb17e766a870d

memory/2536-37-0x0000000000400000-0x000000000043E000-memory.dmp

memory/2536-39-0x0000000000400000-0x000000000043E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-17 00:04

Reported

2024-08-17 00:06

Platform

win10v2004-20240802-en

Max time kernel

114s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\62370797b3bc357baadfe0b128785440N.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

UPX packed file

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

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\62370797b3bc357baadfe0b128785440N.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Roaming\omsecor.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\omsecor.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Roaming\omsecor.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\62370797b3bc357baadfe0b128785440N.exe

"C:\Users\Admin\AppData\Local\Temp\62370797b3bc357baadfe0b128785440N.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 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 13.107.21.237:443 g.bing.com tcp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 2.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 237.21.107.13.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.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 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 18.134.221.88.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 73.144.22.2.in-addr.arpa udp
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 tse1.mm.bing.net udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa 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
US 8.8.8.8:53 10.27.171.150.in-addr.arpa udp
FI 193.166.255.171:80 lousta.net tcp

Files

memory/5024-0-0x0000000000400000-0x000000000043E000-memory.dmp

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

MD5 e942c57d288f971a9901c4b7e782c5de
SHA1 a0d2f805064382407a99b870ca24dc57b61b8264
SHA256 c4ee41d4096c0a42d3d5bc83f98001959079d40d14c649517463fb059e62ed38
SHA512 1bb11577f11be857b56504c4c588412e86145efb6c90d06f101db1757807b9496a5c9e9649ee578b3455f8796ba912253afa65ec4b92944eb3610538b57568ae

memory/4912-4-0x0000000000400000-0x000000000043E000-memory.dmp

memory/5024-5-0x0000000000400000-0x000000000043E000-memory.dmp

memory/4912-7-0x0000000000400000-0x000000000043E000-memory.dmp

C:\Windows\SysWOW64\omsecor.exe

MD5 088b0e3f4d667fd20fde6c87d6630bff
SHA1 8db140045667610660efea07d19c0c83080ae286
SHA256 90bdff023fd6b2f7168516ca0d2a066ebd812f1488dc48dfc488f0c18e2c6a73
SHA512 235b7c632c9ea8915bbe7587c0a902cc5625a0080367880f3c746a8d210306a3c1cffb57017ea8665e82c89ff4e68e1e7427f57212108d6f000342c20ba406dc

memory/1812-11-0x0000000000400000-0x000000000043E000-memory.dmp

memory/4912-12-0x0000000000400000-0x000000000043E000-memory.dmp

memory/1812-17-0x0000000000400000-0x000000000043E000-memory.dmp

memory/4016-18-0x0000000000400000-0x000000000043E000-memory.dmp

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

MD5 29d1b7973a78bae2b5cb87639ffd76d0
SHA1 8dc6260599c3b009e49a956a65398ecb142ab0b9
SHA256 deb52978f255b20b73e62fde4ca0792cf7d493876bd7ebad004e27d64ac1ca52
SHA512 0568cb45e5355c4c745f7846e67211f3d7e1d3ba1b2c468f5a9dd772cbc646df4dee5d33be4bd024077f70295d7cbdaf0d56ef88350c86c3a7d4251f14451131

memory/4016-20-0x0000000000400000-0x000000000043E000-memory.dmp