Malware Analysis Report

2024-11-16 12:57

Sample ID 240816-g6basazdph
Target 702f64b2944e6772217ecad99c7e2620N.exe
SHA256 d32ea4b1ec5f6fa811c9e7c7c44d9aa8a43f4fb6957527666f3a883cb3daa183
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

d32ea4b1ec5f6fa811c9e7c7c44d9aa8a43f4fb6957527666f3a883cb3daa183

Threat Level: Known bad

The file 702f64b2944e6772217ecad99c7e2620N.exe was found to be: Known bad.

Malicious Activity Summary

neconyd discovery trojan

Neconyd family

Neconyd

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

2024-08-16 06:24

Signatures

Neconyd family

neconyd

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-16 06:24

Reported

2024-08-16 06:26

Platform

win10v2004-20240802-en

Max time kernel

114s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\702f64b2944e6772217ecad99c7e2620N.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

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\702f64b2944e6772217ecad99c7e2620N.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\702f64b2944e6772217ecad99c7e2620N.exe

"C:\Users\Admin\AppData\Local\Temp\702f64b2944e6772217ecad99c7e2620N.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 g.bing.com udp
US 13.107.21.237:443 g.bing.com tcp
US 8.8.8.8:53 171.255.166.193.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 102.144.22.2.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 88.156.103.20.in-addr.arpa udp
FI 193.166.255.171:80 lousta.net tcp
US 8.8.8.8:53 13.86.106.20.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 8.8.8.8:53 206.23.85.13.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
FI 193.166.255.171:80 lousta.net tcp
US 8.8.8.8:53 31.243.111.52.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 8.8.8.8:53 10.28.171.150.in-addr.arpa udp
FI 193.166.255.171:80 lousta.net tcp

Files

memory/820-0-0x0000000000400000-0x000000000042B000-memory.dmp

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

MD5 f4687189f482d8738954cb13a78ea2be
SHA1 715a630665e477b8ae6dd482652db5f50fd5f838
SHA256 75ae4e628079d8d6b0f0e794cdf2b45b34df8475d577471b34dc4f5f8d58ee79
SHA512 dbec314684583937fba980fca4b2ea79d15c4b5829ab92e24d8e4527cfc9f6b2f1e6b61cbe392930ae560e1f8e60a5258e2bd3f91837a3ec60ad3eebaf65acfc

memory/952-4-0x0000000000400000-0x000000000042B000-memory.dmp

memory/820-6-0x0000000000400000-0x000000000042B000-memory.dmp

memory/952-7-0x0000000000400000-0x000000000042B000-memory.dmp

C:\Windows\SysWOW64\omsecor.exe

MD5 b46ef87b3cf0cb9c54cf5a77123659b0
SHA1 a0e399ff1dd41060112bd537daec04b435668c28
SHA256 58581195b1bdcef88624aa5730ea93a28287340373dc157c5e384cc31bea1f84
SHA512 9ebe61687216fd672823be8986e35345affd28cbdf57f1a62819f056ee7ad85d6b165080fe0f0fb4e1b94646c194306d2e654b4c9d51fb50a08b98088a30603f

memory/4188-12-0x0000000000400000-0x000000000042B000-memory.dmp

memory/952-13-0x0000000000400000-0x000000000042B000-memory.dmp

memory/4188-14-0x0000000000400000-0x000000000042B000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-16 06:24

Reported

2024-08-16 06:26

Platform

win7-20240704-en

Max time kernel

117s

Max time network

124s

Command Line

"C:\Users\Admin\AppData\Local\Temp\702f64b2944e6772217ecad99c7e2620N.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\Local\Temp\702f64b2944e6772217ecad99c7e2620N.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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2896 wrote to memory of 2796 N/A C:\Users\Admin\AppData\Local\Temp\702f64b2944e6772217ecad99c7e2620N.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2896 wrote to memory of 2796 N/A C:\Users\Admin\AppData\Local\Temp\702f64b2944e6772217ecad99c7e2620N.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2896 wrote to memory of 2796 N/A C:\Users\Admin\AppData\Local\Temp\702f64b2944e6772217ecad99c7e2620N.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2896 wrote to memory of 2796 N/A C:\Users\Admin\AppData\Local\Temp\702f64b2944e6772217ecad99c7e2620N.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2796 wrote to memory of 1856 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 2796 wrote to memory of 1856 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 2796 wrote to memory of 1856 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 2796 wrote to memory of 1856 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 1856 wrote to memory of 2020 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 1856 wrote to memory of 2020 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 1856 wrote to memory of 2020 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 1856 wrote to memory of 2020 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe

Processes

C:\Users\Admin\AppData\Local\Temp\702f64b2944e6772217ecad99c7e2620N.exe

"C:\Users\Admin\AppData\Local\Temp\702f64b2944e6772217ecad99c7e2620N.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/2896-1-0x0000000000400000-0x000000000042B000-memory.dmp

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

MD5 f4687189f482d8738954cb13a78ea2be
SHA1 715a630665e477b8ae6dd482652db5f50fd5f838
SHA256 75ae4e628079d8d6b0f0e794cdf2b45b34df8475d577471b34dc4f5f8d58ee79
SHA512 dbec314684583937fba980fca4b2ea79d15c4b5829ab92e24d8e4527cfc9f6b2f1e6b61cbe392930ae560e1f8e60a5258e2bd3f91837a3ec60ad3eebaf65acfc

memory/2796-9-0x0000000000400000-0x000000000042B000-memory.dmp

memory/2896-11-0x0000000000400000-0x000000000042B000-memory.dmp

memory/2796-12-0x0000000000400000-0x000000000042B000-memory.dmp

\Windows\SysWOW64\omsecor.exe

MD5 71d07935daac68269b344b34ee6815f0
SHA1 a833ed560314f878032dcad306fb02aa46501201
SHA256 9b7e6dcab92da8f73e4a160f563f1fbbfbb78753f2272dfc7c0fa9f76f182c60
SHA512 4d4e211e7d6b5d8a52c3f43dc3a2a160df0ebf35ba41ac8d9a5d318bf5772021ff0adcafcc02c70624382454cde25812ea1630d348e12f52e358f21630f5d41a

memory/2796-17-0x00000000002D0000-0x00000000002FB000-memory.dmp

memory/2796-23-0x00000000002D0000-0x00000000002FB000-memory.dmp

memory/2796-24-0x0000000000400000-0x000000000042B000-memory.dmp

memory/1856-30-0x0000000000220000-0x000000000024B000-memory.dmp

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

MD5 3ee5e5285adf2ed454ad3915c11af110
SHA1 7312354b56abb3c57797ef512b73e750c5516e0c
SHA256 713b8677eb324c8053135f93b8b6d48b3f8771d413e25aa677cb09869617a6c3
SHA512 3dd67ff28aa8ed14460cc74a0afe691c782630cc02755452b22441a4f2710455f34c6a281263e2ae84d4528f97bae37198c9c0cc6efb3724898567a9420ae5ee

memory/1856-35-0x0000000000400000-0x000000000042B000-memory.dmp

memory/2020-38-0x0000000000400000-0x000000000042B000-memory.dmp