Malware Analysis Report

2024-11-16 12:58

Sample ID 240817-a7dc7sxekf
Target dc9f0dcb65de8b78dfc92ed5c71c4c80N.exe
SHA256 9974edd227c48dfe696723c15b6d828d945dc40054c3a53664da8fdb67fca35a
Tags
neconyd discovery trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

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

9974edd227c48dfe696723c15b6d828d945dc40054c3a53664da8fdb67fca35a

Threat Level: Known bad

The file dc9f0dcb65de8b78dfc92ed5c71c4c80N.exe was found to be: Known bad.

Malicious Activity Summary

neconyd discovery trojan

Neconyd

Loads dropped DLL

Executes dropped EXE

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 00:50

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-17 00:50

Reported

2024-08-17 00:52

Platform

win10v2004-20240802-en

Max time kernel

115s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\dc9f0dcb65de8b78dfc92ed5c71c4c80N.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

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\dc9f0dcb65de8b78dfc92ed5c71c4c80N.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\dc9f0dcb65de8b78dfc92ed5c71c4c80N.exe

"C:\Users\Admin\AppData\Local\Temp\dc9f0dcb65de8b78dfc92ed5c71c4c80N.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
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 73.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
FI 193.166.255.171:80 lousta.net tcp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.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 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 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 mkkuei4kdsz.com udp
US 64.225.91.73:80 mkkuei4kdsz.com tcp
US 8.8.8.8:53 172.214.232.199.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 31.243.111.52.in-addr.arpa udp
FI 193.166.255.171:80 lousta.net tcp

Files

memory/3568-0-0x0000000000400000-0x000000000042A000-memory.dmp

memory/4952-4-0x0000000000400000-0x000000000042A000-memory.dmp

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

MD5 060bb1bfbcf55685bb129ab0164b2662
SHA1 4d2d16d11ba02fbdc58fdc4a01794eb9a571252e
SHA256 83696fcf5be5c489dc72448d8e9a013ece8dbe826d381ff95cc5c709caa125c0
SHA512 4273716db6b45ec124d8d42ae762c55f6e8379ca5bbcf6a4ef70f20af76729d59030102ac68290875376ccb86cd0b3060e5b2138b64e98e69a730f04de55f40f

memory/3568-5-0x0000000000400000-0x000000000042A000-memory.dmp

memory/4952-7-0x0000000000400000-0x000000000042A000-memory.dmp

memory/4952-10-0x0000000000400000-0x000000000042A000-memory.dmp

memory/4952-13-0x0000000000400000-0x000000000042A000-memory.dmp

memory/4952-14-0x0000000000400000-0x000000000042A000-memory.dmp

C:\Windows\SysWOW64\omsecor.exe

MD5 fc18015b5202bcbbc8ccc3f70859d585
SHA1 78e5acf4807e681541f6ebfe52a96fd44b3bf3df
SHA256 2f7708a971a99935541c8c3301dbec4e458106ef66025598a8b57e684ad418ee
SHA512 865903dc98946b09e25e7b3e6f660d9829f9897f52808396f0eb2e2f972682518940bac382dcced70e6cafc078c73e942199967bab8ef5c18f914a18afa16ef1

memory/4952-19-0x0000000000400000-0x000000000042A000-memory.dmp

memory/1624-18-0x0000000000400000-0x000000000042A000-memory.dmp

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

MD5 1d03c72cd4738588d7c392791c004c7b
SHA1 9484ffc58ece20dbfe5f0f8705005f37faa4fe82
SHA256 1a44b3e43b43430e0149beecb9551ad1f3028962ce26340372c3c88f383c3bae
SHA512 991e36e60430c695cf06752f6f4322ad31086cc03a662c36ba08b16f2f0c4d43d7436c9fb045d9fbe8071f66b841d5bbaf464e3a7257acc80a91b91fcd5a5d54

memory/2000-24-0x0000000000400000-0x000000000042A000-memory.dmp

memory/1624-26-0x0000000000400000-0x000000000042A000-memory.dmp

memory/2000-28-0x0000000000400000-0x000000000042A000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-17 00:50

Reported

2024-08-17 00:52

Platform

win7-20240708-en

Max time kernel

114s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\dc9f0dcb65de8b78dfc92ed5c71c4c80N.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

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
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\dc9f0dcb65de8b78dfc92ed5c71c4c80N.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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2368 wrote to memory of 1628 N/A C:\Users\Admin\AppData\Local\Temp\dc9f0dcb65de8b78dfc92ed5c71c4c80N.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2368 wrote to memory of 1628 N/A C:\Users\Admin\AppData\Local\Temp\dc9f0dcb65de8b78dfc92ed5c71c4c80N.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2368 wrote to memory of 1628 N/A C:\Users\Admin\AppData\Local\Temp\dc9f0dcb65de8b78dfc92ed5c71c4c80N.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2368 wrote to memory of 1628 N/A C:\Users\Admin\AppData\Local\Temp\dc9f0dcb65de8b78dfc92ed5c71c4c80N.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 1628 wrote to memory of 1536 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 1628 wrote to memory of 1536 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 1628 wrote to memory of 1536 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 1628 wrote to memory of 1536 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 1536 wrote to memory of 1912 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 1536 wrote to memory of 1912 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 1536 wrote to memory of 1912 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 1536 wrote to memory of 1912 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe

Processes

C:\Users\Admin\AppData\Local\Temp\dc9f0dcb65de8b78dfc92ed5c71c4c80N.exe

"C:\Users\Admin\AppData\Local\Temp\dc9f0dcb65de8b78dfc92ed5c71c4c80N.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/2368-0-0x0000000000400000-0x000000000042A000-memory.dmp

memory/2368-9-0x0000000000400000-0x000000000042A000-memory.dmp

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

MD5 060bb1bfbcf55685bb129ab0164b2662
SHA1 4d2d16d11ba02fbdc58fdc4a01794eb9a571252e
SHA256 83696fcf5be5c489dc72448d8e9a013ece8dbe826d381ff95cc5c709caa125c0
SHA512 4273716db6b45ec124d8d42ae762c55f6e8379ca5bbcf6a4ef70f20af76729d59030102ac68290875376ccb86cd0b3060e5b2138b64e98e69a730f04de55f40f

memory/1628-11-0x0000000000400000-0x000000000042A000-memory.dmp

memory/1628-13-0x0000000000400000-0x000000000042A000-memory.dmp

memory/1628-17-0x0000000000400000-0x000000000042A000-memory.dmp

memory/1628-20-0x0000000000400000-0x000000000042A000-memory.dmp

memory/1628-23-0x0000000000400000-0x000000000042A000-memory.dmp

\Windows\SysWOW64\omsecor.exe

MD5 3e94e68b407a6f39343a8267f0a64991
SHA1 329a290c240f21a8129b03b410fe70cbbff61414
SHA256 5487b18719eb2b1eeb149b2a456858ab7956bb57205d287f62432c0e925f7fed
SHA512 adf4fe80d3aeb996bdad78d8577d2f7aaf897c431c504e3da0e5d2b43fabfea70cb869e8c3fb85819657c8633032078996ab51688ae2e3681238922ccd360d93

memory/1628-26-0x00000000002A0000-0x00000000002CA000-memory.dmp

memory/1628-34-0x0000000000400000-0x000000000042A000-memory.dmp

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

MD5 6f67064314696780ec31a3cf2847061d
SHA1 b7d058af000e44583e4781824620b04b9b95c87a
SHA256 de74a257c2531092dc612efa3e62d845c57454071935a119471fe90355e5432e
SHA512 6b7d9b5f50289e97bacd507244a6de95fea835533807d2fa91692d69faa67d8aef287024e21c2629d3d0d8bf966dde0e991b2eacd0474f24a560942eb719d60b

memory/1912-48-0x0000000000400000-0x000000000042A000-memory.dmp

memory/1536-46-0x0000000000220000-0x000000000024A000-memory.dmp

memory/1536-45-0x0000000000400000-0x000000000042A000-memory.dmp

memory/1536-44-0x0000000000220000-0x000000000024A000-memory.dmp

memory/1912-50-0x0000000000400000-0x000000000042A000-memory.dmp