Malware Analysis Report

2024-11-16 12:58

Sample ID 240817-flj7hsybmc
Target c6eba5c5a98639591ecac776efb2340083f2ceef0ac4f4c7c114f17db561e943
SHA256 c6eba5c5a98639591ecac776efb2340083f2ceef0ac4f4c7c114f17db561e943
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

c6eba5c5a98639591ecac776efb2340083f2ceef0ac4f4c7c114f17db561e943

Threat Level: Known bad

The file c6eba5c5a98639591ecac776efb2340083f2ceef0ac4f4c7c114f17db561e943 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

2024-08-17 04:57

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
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-17 04:57

Reported

2024-08-17 05:00

Platform

win7-20240705-en

Max time kernel

146s

Max time network

147s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c6eba5c5a98639591ecac776efb2340083f2ceef0ac4f4c7c114f17db561e943.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
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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\c6eba5c5a98639591ecac776efb2340083f2ceef0ac4f4c7c114f17db561e943.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 3032 wrote to memory of 2152 N/A C:\Users\Admin\AppData\Local\Temp\c6eba5c5a98639591ecac776efb2340083f2ceef0ac4f4c7c114f17db561e943.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 3032 wrote to memory of 2152 N/A C:\Users\Admin\AppData\Local\Temp\c6eba5c5a98639591ecac776efb2340083f2ceef0ac4f4c7c114f17db561e943.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 3032 wrote to memory of 2152 N/A C:\Users\Admin\AppData\Local\Temp\c6eba5c5a98639591ecac776efb2340083f2ceef0ac4f4c7c114f17db561e943.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 3032 wrote to memory of 2152 N/A C:\Users\Admin\AppData\Local\Temp\c6eba5c5a98639591ecac776efb2340083f2ceef0ac4f4c7c114f17db561e943.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2152 wrote to memory of 1232 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 2152 wrote to memory of 1232 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 2152 wrote to memory of 1232 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 2152 wrote to memory of 1232 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 1232 wrote to memory of 1252 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 1232 wrote to memory of 1252 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 1232 wrote to memory of 1252 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 1232 wrote to memory of 1252 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe

Processes

C:\Users\Admin\AppData\Local\Temp\c6eba5c5a98639591ecac776efb2340083f2ceef0ac4f4c7c114f17db561e943.exe

"C:\Users\Admin\AppData\Local\Temp\c6eba5c5a98639591ecac776efb2340083f2ceef0ac4f4c7c114f17db561e943.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/3032-1-0x0000000000400000-0x000000000042D000-memory.dmp

memory/3032-9-0x0000000000220000-0x000000000024D000-memory.dmp

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

MD5 0a0f477c7f1bf4611fd660eebceefa8b
SHA1 6d68198aa3bb9c0108b63a31cf7bb1348fd17563
SHA256 e9517cc3157f9f2b1c919ad896de524d3aa234832f23c2f68e5a197e110967db
SHA512 19496f68673e8899b953d20e05019eef1e513029309ce9f68366efbe661c51c6145fc1c6454a86b88390a74f479e1797083496b5f9de4fda33cda33c076ae046

memory/2152-12-0x0000000000400000-0x000000000042D000-memory.dmp

memory/2152-13-0x0000000000400000-0x000000000042D000-memory.dmp

memory/2152-16-0x0000000000400000-0x000000000042D000-memory.dmp

memory/2152-19-0x0000000000400000-0x000000000042D000-memory.dmp

memory/2152-22-0x0000000000400000-0x000000000042D000-memory.dmp

\Windows\SysWOW64\omsecor.exe

MD5 136f4a1008f77dbd93c80f8f0e2573df
SHA1 addbd8d47da2e1419189326dd55caf1fa3b8d508
SHA256 763282a51e6351a207046f36befedbb9df890d2405118166fc9f59c38b2346dd
SHA512 ba326f0a3a06e2c7ee66a7e56d586ee940802e7668b704bd640a54bb33c196d2e015ebb71ce339c163b090579210f28d316e7c8e3b0f6757b0524ff463b493fe

memory/2152-25-0x0000000000280000-0x00000000002AD000-memory.dmp

memory/1232-34-0x0000000000400000-0x000000000042D000-memory.dmp

memory/2152-33-0x0000000000400000-0x000000000042D000-memory.dmp

memory/1232-39-0x0000000000250000-0x000000000027D000-memory.dmp

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

MD5 f290ad3b136f1a3e312ca695f5bb6fa4
SHA1 d0a0a72c70340ce96c64e467be87d9cbfd9e19f6
SHA256 8cee8f6040c8e5f98e7801713b43a8bdb03438268e0258befe3638e262ae97b3
SHA512 fedd5670c25f826600434990773c30be6301767502ed9bd08553a5873720919571f634e7e29c5c5970ebecc0da9d22ba561f0722198dbeedfa2604c7e43b93bd

memory/1232-44-0x0000000000250000-0x000000000027D000-memory.dmp

memory/1232-46-0x0000000000400000-0x000000000042D000-memory.dmp

memory/1252-49-0x0000000000400000-0x000000000042D000-memory.dmp

memory/1252-52-0x0000000000400000-0x000000000042D000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-17 04:57

Reported

2024-08-17 05:00

Platform

win10v2004-20240802-en

Max time kernel

145s

Max time network

147s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c6eba5c5a98639591ecac776efb2340083f2ceef0ac4f4c7c114f17db561e943.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
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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:\Windows\SysWOW64\omsecor.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\c6eba5c5a98639591ecac776efb2340083f2ceef0ac4f4c7c114f17db561e943.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\c6eba5c5a98639591ecac776efb2340083f2ceef0ac4f4c7c114f17db561e943.exe

"C:\Users\Admin\AppData\Local\Temp\c6eba5c5a98639591ecac776efb2340083f2ceef0ac4f4c7c114f17db561e943.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 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 64.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.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 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 10.28.171.150.in-addr.arpa udp
US 8.8.8.8:53 mkkuei4kdsz.com udp
US 64.225.91.73:80 mkkuei4kdsz.com tcp
US 8.8.8.8:53 172.210.232.199.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 73.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp
FI 193.166.255.171:80 lousta.net tcp
US 64.225.91.73:80 mkkuei4kdsz.com tcp

Files

memory/1596-0-0x0000000000400000-0x000000000042D000-memory.dmp

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

MD5 0a0f477c7f1bf4611fd660eebceefa8b
SHA1 6d68198aa3bb9c0108b63a31cf7bb1348fd17563
SHA256 e9517cc3157f9f2b1c919ad896de524d3aa234832f23c2f68e5a197e110967db
SHA512 19496f68673e8899b953d20e05019eef1e513029309ce9f68366efbe661c51c6145fc1c6454a86b88390a74f479e1797083496b5f9de4fda33cda33c076ae046

memory/3056-5-0x0000000000400000-0x000000000042D000-memory.dmp

memory/1596-6-0x0000000000400000-0x000000000042D000-memory.dmp

memory/3056-8-0x0000000000400000-0x000000000042D000-memory.dmp

memory/3056-11-0x0000000000400000-0x000000000042D000-memory.dmp

memory/3056-14-0x0000000000400000-0x000000000042D000-memory.dmp

memory/3056-15-0x0000000000400000-0x000000000042D000-memory.dmp

C:\Windows\SysWOW64\omsecor.exe

MD5 3eeb01fa29512e72136349e13c7f2e58
SHA1 cf8b69c359bd49c4fb524576af4b5b1dc72656a4
SHA256 0a217dcf961e084ae0767a9338735e48ad92808c0ecc29f9d39318da3ec5ebe4
SHA512 cbb70d08ca4615bd2028009f7a27d7fb3867157811843a74224eb07ebbdbe15016bddf0952cd7efa116dc45f34022821eb4b00db61ea9fbf46728e1d2a0f21c2

memory/2780-19-0x0000000000400000-0x000000000042D000-memory.dmp

memory/3056-22-0x0000000000400000-0x000000000042D000-memory.dmp

memory/2780-23-0x0000000000400000-0x000000000042D000-memory.dmp

memory/2780-26-0x0000000000400000-0x000000000042D000-memory.dmp