Malware Analysis Report

2024-11-16 12:57

Sample ID 240816-m7n6xsvfpj
Target 116225d1d8508bf6004d7b3c8f5e89d0N.exe
SHA256 4cbfe83734ff2c5b7698f3c4630c4e12a37d9fe70b5589a1e9826b78942cbffc
Tags
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

4cbfe83734ff2c5b7698f3c4630c4e12a37d9fe70b5589a1e9826b78942cbffc

Threat Level: Known bad

The file 116225d1d8508bf6004d7b3c8f5e89d0N.exe was found to be: Known bad.

Malicious Activity Summary

neconyd discovery trojan

Neconyd

Neconyd family

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 11:06

Signatures

Neconyd family

neconyd

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-16 11:06

Reported

2024-08-16 11:08

Platform

win7-20240704-en

Max time kernel

117s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\116225d1d8508bf6004d7b3c8f5e89d0N.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:\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\116225d1d8508bf6004d7b3c8f5e89d0N.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2072 wrote to memory of 2188 N/A C:\Users\Admin\AppData\Local\Temp\116225d1d8508bf6004d7b3c8f5e89d0N.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2072 wrote to memory of 2188 N/A C:\Users\Admin\AppData\Local\Temp\116225d1d8508bf6004d7b3c8f5e89d0N.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2072 wrote to memory of 2188 N/A C:\Users\Admin\AppData\Local\Temp\116225d1d8508bf6004d7b3c8f5e89d0N.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2072 wrote to memory of 2188 N/A C:\Users\Admin\AppData\Local\Temp\116225d1d8508bf6004d7b3c8f5e89d0N.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2188 wrote to memory of 2392 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 2188 wrote to memory of 2392 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 2188 wrote to memory of 2392 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 2188 wrote to memory of 2392 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 2392 wrote to memory of 2880 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2392 wrote to memory of 2880 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2392 wrote to memory of 2880 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2392 wrote to memory of 2880 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe

Processes

C:\Users\Admin\AppData\Local\Temp\116225d1d8508bf6004d7b3c8f5e89d0N.exe

"C:\Users\Admin\AppData\Local\Temp\116225d1d8508bf6004d7b3c8f5e89d0N.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/2072-1-0x0000000000400000-0x000000000042B000-memory.dmp

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

MD5 883b7c0827a462b9b94a06bf5a6cd76a
SHA1 f4645578c672585c3c2d25a7268614faed5dd36e
SHA256 551965b277e19722ecb4bf36b971d8fb11923a1c0f3130a5243309338896b68d
SHA512 a080b40521ac325b105aebbbdc78bca4411d75b6160a2be55bfef12d56f06544cdecf5f1beef68686f6bdc8824ad8c1cef20f7a85f08326c352adfd99dba3ace

memory/2072-9-0x0000000000220000-0x000000000024B000-memory.dmp

memory/2188-12-0x0000000000400000-0x000000000042B000-memory.dmp

memory/2072-8-0x0000000000400000-0x000000000042B000-memory.dmp

memory/2188-13-0x0000000000400000-0x000000000042B000-memory.dmp

\Windows\SysWOW64\omsecor.exe

MD5 c8a618a4c5e5f5296d7edf10e1ce17df
SHA1 d8cad5e11ead1e18f1cb81518b505bf540d8cf7c
SHA256 bb0b47be5b4e8c5a910ae761a7ae6bd7ea842d664107bd0c6012749791dabbcf
SHA512 91aaed2d468f5ef74ef8a80076c95bf8b87b7f765730ada72999ee08d64cf2645d3bb10f5284bd34225166431f5f2d894917f7921bb983fa2f92937fa5ce3332

memory/2188-19-0x0000000001FA0000-0x0000000001FCB000-memory.dmp

memory/2392-26-0x0000000000400000-0x000000000042B000-memory.dmp

memory/2188-24-0x0000000000400000-0x000000000042B000-memory.dmp

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

MD5 5120a4bce18ecbc8550b20c7c83110c3
SHA1 745c6d5d725f535387b9e8ca916068c15c9f23d4
SHA256 4345eb39c3fb710052fc6193ec1decc615fb5d677235d1efe4c6cd23e937ec54
SHA512 dbf6d177b09852280f6a920a2eef82c0f1cc1a5c74e993f711053c1a45ee88a53c50becd3aba6ab5a00d87929375f26b0f7554bcaec578f2dec93f894664ba8f

memory/2392-31-0x00000000001B0000-0x00000000001DB000-memory.dmp

memory/2880-38-0x0000000000400000-0x000000000042B000-memory.dmp

memory/2392-37-0x0000000000400000-0x000000000042B000-memory.dmp

memory/2880-41-0x0000000000400000-0x000000000042B000-memory.dmp

memory/2392-40-0x00000000001B0000-0x00000000001DB000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-16 11:06

Reported

2024-08-16 11:08

Platform

win10v2004-20240802-en

Max time kernel

114s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\116225d1d8508bf6004d7b3c8f5e89d0N.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\116225d1d8508bf6004d7b3c8f5e89d0N.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\116225d1d8508bf6004d7b3c8f5e89d0N.exe

"C:\Users\Admin\AppData\Local\Temp\116225d1d8508bf6004d7b3c8f5e89d0N.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 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 69.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 240.143.123.92.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.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 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 192.142.123.92.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 25.140.123.92.in-addr.arpa udp
US 8.8.8.8:53 73.91.225.64.in-addr.arpa udp
US 8.8.8.8:53 57.169.31.20.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 14.227.111.52.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/4900-0-0x0000000000400000-0x000000000042B000-memory.dmp

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

MD5 883b7c0827a462b9b94a06bf5a6cd76a
SHA1 f4645578c672585c3c2d25a7268614faed5dd36e
SHA256 551965b277e19722ecb4bf36b971d8fb11923a1c0f3130a5243309338896b68d
SHA512 a080b40521ac325b105aebbbdc78bca4411d75b6160a2be55bfef12d56f06544cdecf5f1beef68686f6bdc8824ad8c1cef20f7a85f08326c352adfd99dba3ace

memory/2756-4-0x0000000000400000-0x000000000042B000-memory.dmp

memory/4900-5-0x0000000000400000-0x000000000042B000-memory.dmp

memory/2756-7-0x0000000000400000-0x000000000042B000-memory.dmp

memory/3796-11-0x0000000000400000-0x000000000042B000-memory.dmp

C:\Windows\SysWOW64\omsecor.exe

MD5 69f2a0890086ffd7d59f2f98be032660
SHA1 ecfaa9527243ddefe96c470fe3183edd2e5c22d7
SHA256 82ff4ab93cd879e9d799e4935a0d4686cd750badca1f4b89009f2817d8e7175d
SHA512 3967f91f7ad04cfc3acc7384c3f3705c0e70aeaf22fb56874c1b31dbf3d7875493864222c2fcec7bbd30b74a80eac2f20b461d95d11e3d82dc3ac91ac5aa4ae2

memory/2756-13-0x0000000000400000-0x000000000042B000-memory.dmp

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

MD5 78cdcef42ff01e8a6990e3fb923969b2
SHA1 b9a7f32d5aec175e4fb1f8addb6241d5dce7dc47
SHA256 2e794d0a7ae105405b4593ee8414ce9d6c8c5484d2228b378cb3e4c948b39d9c
SHA512 613b682890aad5664d2c7ba1f07835b3679cf7fdb8a7e85b59ad95f36cfaf9314acfe19bb9ede23cf593a28500c57b78e2e9233b3130fbda70b4f7d49d9c97ec

memory/772-18-0x0000000000400000-0x000000000042B000-memory.dmp

memory/3796-17-0x0000000000400000-0x000000000042B000-memory.dmp

memory/772-20-0x0000000000400000-0x000000000042B000-memory.dmp