Malware Analysis Report

2024-11-16 12:58

Sample ID 240819-ryy2zstamk
Target 18ebd0527353cf5169a3d24557fab6f0N.exe
SHA256 714b78c2eb5e85b67398800aa5bc12d0a99ce67effb3b7f83494e395d8909f27
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

714b78c2eb5e85b67398800aa5bc12d0a99ce67effb3b7f83494e395d8909f27

Threat Level: Known bad

The file 18ebd0527353cf5169a3d24557fab6f0N.exe was found to be: Known bad.

Malicious Activity Summary

upx neconyd discovery trojan

Neconyd

Neconyd family

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

2024-08-19 14:36

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

2024-08-19 14:36

Reported

2024-08-19 14:38

Platform

win7-20240704-en

Max time kernel

120s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\18ebd0527353cf5169a3d24557fab6f0N.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

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

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
File opened for modification C:\Windows\SysWOW64\merocz.xc6 C:\Windows\SysWOW64\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\18ebd0527353cf5169a3d24557fab6f0N.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

Processes

C:\Users\Admin\AppData\Local\Temp\18ebd0527353cf5169a3d24557fab6f0N.exe

"C:\Users\Admin\AppData\Local\Temp\18ebd0527353cf5169a3d24557fab6f0N.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

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/2060-1-0x0000000000400000-0x000000000043E000-memory.dmp

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

MD5 c4c1a085ae4b3ac23a50d993cc6049d1
SHA1 01219d80f85571a02d005cc66b732a677403c292
SHA256 023f22427e011c29c8808243c70ea746150038858cf53fe329b8fe68cc70732c
SHA512 56b48f9e859dbb1c616efd97ea765dfbb55d509a5d686e542679ca1332e65e15c3cccfaa39f3f396f7d7415f1a36e890608ce0c39de379d86e8bab1090b3a668

memory/2640-11-0x0000000000400000-0x000000000043E000-memory.dmp

memory/2060-8-0x0000000000400000-0x000000000043E000-memory.dmp

memory/2640-12-0x0000000000400000-0x000000000043E000-memory.dmp

\Windows\SysWOW64\omsecor.exe

MD5 112bf03733b42bc87b34ca1cb1d4a58b
SHA1 0b972985321ba8aed5df04805fc6123c781c5d8b
SHA256 af809c561779e1a44c714a2945087946c03d5a466e1197db4ae56419f2ff8b51
SHA512 462e0447900cf9079f06bb25abcce84872dfe52330dbdb8d72ed566f6849dedd1a8b696aa1db2cb4fbeaf3276692e12c99df39338b3f729498950a5e801e2507

memory/2640-17-0x0000000000310000-0x000000000034E000-memory.dmp

memory/2640-23-0x0000000000400000-0x000000000043E000-memory.dmp

memory/1556-25-0x0000000000400000-0x000000000043E000-memory.dmp

memory/1556-27-0x0000000000400000-0x000000000043E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-19 14:36

Reported

2024-08-19 14:38

Platform

win10v2004-20240802-en

Max time kernel

118s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\18ebd0527353cf5169a3d24557fab6f0N.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

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

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
File opened for modification C:\Windows\SysWOW64\merocz.xc6 C:\Windows\SysWOW64\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\18ebd0527353cf5169a3d24557fab6f0N.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

Processes

C:\Users\Admin\AppData\Local\Temp\18ebd0527353cf5169a3d24557fab6f0N.exe

"C:\Users\Admin\AppData\Local\Temp\18ebd0527353cf5169a3d24557fab6f0N.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

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 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 240.143.123.92.in-addr.arpa udp
US 8.8.8.8:53 69.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
FI 193.166.255.171:80 lousta.net tcp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 147.142.123.92.in-addr.arpa udp
US 8.8.8.8:53 mkkuei4kdsz.com udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa 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 88.156.103.20.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 19.229.111.52.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 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
FI 193.166.255.171:80 lousta.net tcp

Files

memory/4720-0-0x0000000000400000-0x000000000043E000-memory.dmp

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

MD5 c4c1a085ae4b3ac23a50d993cc6049d1
SHA1 01219d80f85571a02d005cc66b732a677403c292
SHA256 023f22427e011c29c8808243c70ea746150038858cf53fe329b8fe68cc70732c
SHA512 56b48f9e859dbb1c616efd97ea765dfbb55d509a5d686e542679ca1332e65e15c3cccfaa39f3f396f7d7415f1a36e890608ce0c39de379d86e8bab1090b3a668

memory/4720-5-0x0000000000400000-0x000000000043E000-memory.dmp

memory/672-6-0x0000000000400000-0x000000000043E000-memory.dmp

memory/672-7-0x0000000000400000-0x000000000043E000-memory.dmp

memory/4700-11-0x0000000000400000-0x000000000043E000-memory.dmp

C:\Windows\SysWOW64\omsecor.exe

MD5 a582d4e94e5a3356e9ea2bc58478431e
SHA1 f45b44ca495e4d2f7adddc0cee672e0177ebd0e5
SHA256 95a318f6b512585ea775bdcfcc5729160ecb14f909fd6ee93532c5169041dd64
SHA512 8d9c275722f5f2c15244af8a8e376777e881e1ebbf71a9eb6e1f100a2132ac844bac5558239d78244921a51cf6e496be65632377016f0c76aedea5a67d7d64c4

memory/672-12-0x0000000000400000-0x000000000043E000-memory.dmp

memory/4700-14-0x0000000000400000-0x000000000043E000-memory.dmp