Malware Analysis Report

2024-11-16 12:57

Sample ID 240815-3gnqgawdml
Target 54fb031891ac3d3a450776d945d0b1f0N.exe
SHA256 7d55c5371ed8d2f06cb6c758291828dc0c8b80d679cad23cdc1a82551c813577
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

7d55c5371ed8d2f06cb6c758291828dc0c8b80d679cad23cdc1a82551c813577

Threat Level: Known bad

The file 54fb031891ac3d3a450776d945d0b1f0N.exe was found to be: Known bad.

Malicious Activity Summary

upx neconyd discovery trojan

Neconyd

Neconyd family

UPX packed file

Executes dropped EXE

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

2024-08-15 23:29

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

2024-08-15 23:29

Reported

2024-08-15 23:31

Platform

win7-20240705-en

Max time kernel

114s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\54fb031891ac3d3a450776d945d0b1f0N.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

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\54fb031891ac3d3a450776d945d0b1f0N.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\54fb031891ac3d3a450776d945d0b1f0N.exe

"C:\Users\Admin\AppData\Local\Temp\54fb031891ac3d3a450776d945d0b1f0N.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/2692-1-0x0000000000400000-0x000000000043E000-memory.dmp

memory/2692-4-0x0000000000220000-0x000000000025E000-memory.dmp

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

MD5 5cd23e39d8d7fc3e33edcb0fd3edc412
SHA1 b1fcb7ea4ff94510e2c65886d8ec7c5d42727edb
SHA256 30152ebcf71a491c9bf07d7b6f6e23e16c5fbbbf0f6e99bcea1a7e99a643bceb
SHA512 b76e77c7481d0a62e07e60a78ceaa6d7ae05bacac128745e693421f0338113c1c3ae23ccef46491e1109fc569c8772a4dca2fada08fe8356afad64300cf128e4

memory/2732-11-0x0000000000400000-0x000000000043E000-memory.dmp

\Windows\SysWOW64\omsecor.exe

MD5 6602515a7b38621ff28868376d25cc79
SHA1 fbdca8a7c0285e5182521a3b9bf7819bf1a38005
SHA256 3b5c2102305cf5fff9b73e0f20fedd9788f6106f189f70f5b82768e22cc022a0
SHA512 99cb4f34af56975e8e658f9160463333f98eaa3714a6f4f2b419744ea5b35a52bb65cc49b6cbdf41664ff350a8d81d206d1b3f4d77c517d23bd15e3e06e08ad7

memory/2732-16-0x0000000000330000-0x000000000036E000-memory.dmp

memory/2556-24-0x0000000000400000-0x000000000043E000-memory.dmp

memory/2732-23-0x0000000000400000-0x000000000043E000-memory.dmp

memory/2732-26-0x0000000000330000-0x000000000036E000-memory.dmp

memory/2556-27-0x0000000000400000-0x000000000043E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-15 23:29

Reported

2024-08-15 23:31

Platform

win10v2004-20240802-en

Max time kernel

114s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\54fb031891ac3d3a450776d945d0b1f0N.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
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\54fb031891ac3d3a450776d945d0b1f0N.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\54fb031891ac3d3a450776d945d0b1f0N.exe

"C:\Users\Admin\AppData\Local\Temp\54fb031891ac3d3a450776d945d0b1f0N.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 13.107.21.237:443 g.bing.com tcp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 4.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 237.21.107.13.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 www.microsoft.com udp
GB 95.100.245.144:80 www.microsoft.com tcp
US 8.8.8.8:53 144.245.100.95.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
FI 193.166.255.171:80 lousta.net tcp
US 8.8.8.8:53 15.164.165.52.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 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
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
FI 193.166.255.171:80 lousta.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 150.171.28.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 10.28.171.150.in-addr.arpa udp
FI 193.166.255.171:80 lousta.net tcp

Files

memory/4632-0-0x0000000000400000-0x000000000043E000-memory.dmp

memory/2720-4-0x0000000000400000-0x000000000043E000-memory.dmp

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

MD5 5cd23e39d8d7fc3e33edcb0fd3edc412
SHA1 b1fcb7ea4ff94510e2c65886d8ec7c5d42727edb
SHA256 30152ebcf71a491c9bf07d7b6f6e23e16c5fbbbf0f6e99bcea1a7e99a643bceb
SHA512 b76e77c7481d0a62e07e60a78ceaa6d7ae05bacac128745e693421f0338113c1c3ae23ccef46491e1109fc569c8772a4dca2fada08fe8356afad64300cf128e4

memory/4632-6-0x0000000000400000-0x000000000043E000-memory.dmp

memory/2720-7-0x0000000000400000-0x000000000043E000-memory.dmp

C:\Windows\SysWOW64\omsecor.exe

MD5 c1ccf686da9c3a1834b2099bda89284d
SHA1 3be8143027222c974c22aa0755ea31802a7f1efd
SHA256 c417192e8bc4804d1a06bd845424c5cd057e694845678a31831bc2439fc522cb
SHA512 423c7e503fec7cb393292b2a482967c431f64fb4707886fcf43199bec3e96e5d3194f9fc7d0b86372eb44ce6e039da5ef82373c06612c611e13d8e1a4e59408f

memory/4944-11-0x0000000000400000-0x000000000043E000-memory.dmp

memory/2720-12-0x0000000000400000-0x000000000043E000-memory.dmp

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

MD5 0fb829735b2edfeabbe7856406598032
SHA1 975347f69d0c294a5915cec6f5457d9fb37f493b
SHA256 092c36e33f362fb8c15c4a69772ad0b50db54c3d7165e678c25bf77764b30b48
SHA512 c28b85eb29f2e9662107d176576d64834684353446f51028c83d971629b76722475e7f2372266a01e39ed1b8a0a7c8c819e4dcdf1329ed767602ea9d78e2c9d2

memory/4944-18-0x0000000000400000-0x000000000043E000-memory.dmp

memory/2588-17-0x0000000000400000-0x000000000043E000-memory.dmp

memory/2588-20-0x0000000000400000-0x000000000043E000-memory.dmp