Malware Analysis Report

2024-11-16 12:59

Sample ID 240817-cht1rsvaqm
Target 837af828acf7f003c82bf7ca066744d0N.exe
SHA256 8d1afeabdb0b098a2f09396e30e1ae26365e22274c8121c75f1cb8e8d15b19a1
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

8d1afeabdb0b098a2f09396e30e1ae26365e22274c8121c75f1cb8e8d15b19a1

Threat Level: Known bad

The file 837af828acf7f003c82bf7ca066744d0N.exe was found to be: Known bad.

Malicious Activity Summary

neconyd discovery trojan

Neconyd family

Neconyd

Loads dropped DLL

Executes dropped EXE

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 02:05

Signatures

Neconyd family

neconyd

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-17 02:05

Reported

2024-08-17 02:07

Platform

win7-20240708-en

Max time kernel

114s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\837af828acf7f003c82bf7ca066744d0N.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\837af828acf7f003c82bf7ca066744d0N.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 2652 wrote to memory of 2684 N/A C:\Users\Admin\AppData\Local\Temp\837af828acf7f003c82bf7ca066744d0N.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2652 wrote to memory of 2684 N/A C:\Users\Admin\AppData\Local\Temp\837af828acf7f003c82bf7ca066744d0N.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2652 wrote to memory of 2684 N/A C:\Users\Admin\AppData\Local\Temp\837af828acf7f003c82bf7ca066744d0N.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2652 wrote to memory of 2684 N/A C:\Users\Admin\AppData\Local\Temp\837af828acf7f003c82bf7ca066744d0N.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2684 wrote to memory of 1800 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 2684 wrote to memory of 1800 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 2684 wrote to memory of 1800 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 2684 wrote to memory of 1800 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 1800 wrote to memory of 2848 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 1800 wrote to memory of 2848 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 1800 wrote to memory of 2848 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 1800 wrote to memory of 2848 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe

Processes

C:\Users\Admin\AppData\Local\Temp\837af828acf7f003c82bf7ca066744d0N.exe

"C:\Users\Admin\AppData\Local\Temp\837af828acf7f003c82bf7ca066744d0N.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/2652-1-0x0000000000400000-0x000000000042B000-memory.dmp

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

MD5 8b0a7bf7df953bd40eef74464bccd84e
SHA1 a050ea31c1bf8dab30741e5bedc7b3d9470a4df5
SHA256 2b5cfe041644f98c672a3eb6de5f077ee7e33efbfecff73a003c8603c052b10d
SHA512 bbd5707c80a552d28c6aae0d0e6ce6363d6865f4e0b03e50b05f794c51489d7fb040fdc699be29dea397642326c10317d2834aa44804e4256901bbc8830c80f6

memory/2684-9-0x0000000000400000-0x000000000042B000-memory.dmp

memory/2684-11-0x0000000000400000-0x000000000042B000-memory.dmp

\Windows\SysWOW64\omsecor.exe

MD5 3153247ac74bfb803a8dc220ffe272b1
SHA1 5370b1e0e74399b575ec8cc9a933bad3c3c1c65f
SHA256 80ade3ef7ad6ec3543ea97e0a040e94160de968e0746b0ff1667f6fb84fc73c1
SHA512 cd730fa6479cc2538c04c36799d1dbaf0da0b3a0fd46de95c1e5fabc32b3193ad6204a08fbe4d71513aa8fd27bd522e8795622bee6952fcc99a9e1c5fe2bb062

memory/2684-16-0x0000000000280000-0x00000000002AB000-memory.dmp

memory/2684-22-0x0000000000400000-0x000000000042B000-memory.dmp

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

MD5 d5d9db37689c5d4224ecb258d5a1d06d
SHA1 c154c781715525ccc2ef59880cf84966d129e9c3
SHA256 f8ff49ac38d71d7ffcb70447a273c607ce7e7b8ffb7034b31ab0231fceb59f55
SHA512 dc64ef3ed50545074402635e6e9f0c3c0ac13b2a355bf57964789d2f161232a4ac92cda46277a46753271fc63f9a419c054acb0dab0fada2d229dc2bf427fd68

memory/2848-34-0x0000000000400000-0x000000000042B000-memory.dmp

memory/1800-33-0x0000000000400000-0x000000000042B000-memory.dmp

memory/2848-36-0x0000000000400000-0x000000000042B000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-17 02:05

Reported

2024-08-17 02:07

Platform

win10v2004-20240802-en

Max time kernel

114s

Max time network

119s

Command Line

"C:\Users\Admin\AppData\Local\Temp\837af828acf7f003c82bf7ca066744d0N.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\837af828acf7f003c82bf7ca066744d0N.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\837af828acf7f003c82bf7ca066744d0N.exe

"C:\Users\Admin\AppData\Local\Temp\837af828acf7f003c82bf7ca066744d0N.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 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 lousta.net udp
FI 193.166.255.171:80 lousta.net tcp
US 8.8.8.8:53 23.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.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 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.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 73.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.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 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/4704-0-0x0000000000400000-0x000000000042B000-memory.dmp

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

MD5 8b0a7bf7df953bd40eef74464bccd84e
SHA1 a050ea31c1bf8dab30741e5bedc7b3d9470a4df5
SHA256 2b5cfe041644f98c672a3eb6de5f077ee7e33efbfecff73a003c8603c052b10d
SHA512 bbd5707c80a552d28c6aae0d0e6ce6363d6865f4e0b03e50b05f794c51489d7fb040fdc699be29dea397642326c10317d2834aa44804e4256901bbc8830c80f6

memory/2312-4-0x0000000000400000-0x000000000042B000-memory.dmp

memory/4704-6-0x0000000000400000-0x000000000042B000-memory.dmp

memory/2312-7-0x0000000000400000-0x000000000042B000-memory.dmp

C:\Windows\SysWOW64\omsecor.exe

MD5 f5922f02f3d3c677463b2cd79362da60
SHA1 275b64c7fb8630ed4ba599c29d0c01cb884da68b
SHA256 e497cb568e74b7e65779ebf1ed711e7acdc97acd2250e3bdec33ce10041b6279
SHA512 014c9cf7789ed111fdb4fcc484e1c9b54d7992a147891d7e6a7ab6a89f339e9821df44f2b35939d164282e059d9f125c29753cf944f69cee3689fa02125b122f

memory/4328-11-0x0000000000400000-0x000000000042B000-memory.dmp

memory/2312-13-0x0000000000400000-0x000000000042B000-memory.dmp

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

MD5 cf6f2754d0594f87864e4d077d4ddec2
SHA1 e00785422d6c7d471bca4b745dff4808901ff14d
SHA256 f92c04720a0d57bebadad1653020cc82cd68ca14134ea2abc450564b48fbb604
SHA512 79947cde0e8e88c65a1219b22691a224fb14972eea539fb9fdc3095fe98f90241bddbed1d0b76231f8573e04f158a69ece16d5f7a525e5bd443b8095f2950cd8

memory/4828-17-0x0000000000400000-0x000000000042B000-memory.dmp

memory/4328-18-0x0000000000400000-0x000000000042B000-memory.dmp

memory/4828-20-0x0000000000400000-0x000000000042B000-memory.dmp