Malware Analysis Report

2024-11-16 12:58

Sample ID 240817-saq7xa1fjh
Target c4315dcd7b48a7da361d30f14d704750N.exe
SHA256 fbe0f2cc63c26cd8156a121bd080fc2a8adad717315baf9b34b6b9ce0bb66fef
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

fbe0f2cc63c26cd8156a121bd080fc2a8adad717315baf9b34b6b9ce0bb66fef

Threat Level: Known bad

The file c4315dcd7b48a7da361d30f14d704750N.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

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-17 14:55

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 14:55

Reported

2024-08-17 14:57

Platform

win7-20240704-en

Max time kernel

103s

Max time network

104s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c4315dcd7b48a7da361d30f14d704750N.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\c4315dcd7b48a7da361d30f14d704750N.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 2224 wrote to memory of 1640 N/A C:\Users\Admin\AppData\Local\Temp\c4315dcd7b48a7da361d30f14d704750N.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2224 wrote to memory of 1640 N/A C:\Users\Admin\AppData\Local\Temp\c4315dcd7b48a7da361d30f14d704750N.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2224 wrote to memory of 1640 N/A C:\Users\Admin\AppData\Local\Temp\c4315dcd7b48a7da361d30f14d704750N.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2224 wrote to memory of 1640 N/A C:\Users\Admin\AppData\Local\Temp\c4315dcd7b48a7da361d30f14d704750N.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 1640 wrote to memory of 3016 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 1640 wrote to memory of 3016 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 1640 wrote to memory of 3016 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 1640 wrote to memory of 3016 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 3016 wrote to memory of 1468 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 3016 wrote to memory of 1468 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 3016 wrote to memory of 1468 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 3016 wrote to memory of 1468 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe

Processes

C:\Users\Admin\AppData\Local\Temp\c4315dcd7b48a7da361d30f14d704750N.exe

"C:\Users\Admin\AppData\Local\Temp\c4315dcd7b48a7da361d30f14d704750N.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

Files

memory/2224-0-0x0000000000400000-0x000000000042A000-memory.dmp

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

MD5 84c30e64f9e93fc7de0434e29ff851d0
SHA1 86898353f704f892b88fa8998e1bd0fd30a8239c
SHA256 22cf1514b4080c493773e0b25690b28d82525769c9280db74dd25ce7ada9ee11
SHA512 6cb35d3da55deb6848f399d10d0937cf67d2d2ccb048845a39b4d62dc310c6e734e17d373e49ee331b9006b4a9408c648cc2b82f95ea31e4a7348b98ce2a9a31

memory/1640-10-0x0000000000400000-0x000000000042A000-memory.dmp

memory/2224-8-0x0000000000400000-0x000000000042A000-memory.dmp

memory/1640-12-0x0000000000400000-0x000000000042A000-memory.dmp

\Windows\SysWOW64\omsecor.exe

MD5 677fbaa342fd0c228630d6c700d7a706
SHA1 da6760c30c62a269ccc8dc02e623864b99cb4a22
SHA256 a946f3a053f057dba30793ee5dc305311e7bb445d6954b7c16a4e7d1412f574f
SHA512 aff2e7f36b3fbd42e33f08406ca146968361dc4c807800a66a80f44d63e11063085fbb758ee8afab4d525670b8f2f5e986fa2a500bfe2dfa4853562d5c06d37b

memory/1640-17-0x0000000000430000-0x000000000045A000-memory.dmp

memory/1640-25-0x0000000000430000-0x000000000045A000-memory.dmp

memory/1640-23-0x0000000000400000-0x000000000042A000-memory.dmp

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

MD5 e9813e18506590d1248b5035e717fd42
SHA1 1df10503fad8ca2e0e8e7910ee13494a94c2eb16
SHA256 ffc535114403e34f46f9da9270959bf4fa4e958dd088ad41ada474c14a616271
SHA512 496f91647915f4d5e901a7011e1e8c289fa3d7e67f0c9b6ec01b2c4ecb32ff74167e713af7da881e934a17a4057eacd363c958bbc060fec5d9d82bcc297555e4

memory/3016-30-0x0000000000220000-0x000000000024A000-memory.dmp

memory/3016-35-0x0000000000400000-0x000000000042A000-memory.dmp

memory/1468-38-0x0000000000400000-0x000000000042A000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-17 14:55

Reported

2024-08-17 14:57

Platform

win10v2004-20240802-en

Max time kernel

115s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c4315dcd7b48a7da361d30f14d704750N.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:\Windows\SysWOW64\omsecor.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\c4315dcd7b48a7da361d30f14d704750N.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\c4315dcd7b48a7da361d30f14d704750N.exe

"C:\Users\Admin\AppData\Local\Temp\c4315dcd7b48a7da361d30f14d704750N.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 8.8.8.8:53 133.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 2.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
FI 193.166.255.171:80 lousta.net tcp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 2.36.159.162.in-addr.arpa udp
US 8.8.8.8:53 4.8.2.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.0.0.2.0.c.0.0.3.0.1.3.0.6.2.ip6.arpa udp
US 8.8.8.8:53 147.142.123.92.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 73.91.225.64.in-addr.arpa udp
US 8.8.8.8:53 73.144.22.2.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 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 58.99.105.20.in-addr.arpa udp
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/4152-0-0x0000000000400000-0x000000000042A000-memory.dmp

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

MD5 84c30e64f9e93fc7de0434e29ff851d0
SHA1 86898353f704f892b88fa8998e1bd0fd30a8239c
SHA256 22cf1514b4080c493773e0b25690b28d82525769c9280db74dd25ce7ada9ee11
SHA512 6cb35d3da55deb6848f399d10d0937cf67d2d2ccb048845a39b4d62dc310c6e734e17d373e49ee331b9006b4a9408c648cc2b82f95ea31e4a7348b98ce2a9a31

memory/4240-4-0x0000000000400000-0x000000000042A000-memory.dmp

memory/4152-5-0x0000000000400000-0x000000000042A000-memory.dmp

memory/4240-7-0x0000000000400000-0x000000000042A000-memory.dmp

C:\Windows\SysWOW64\omsecor.exe

MD5 336d8300b38947bdd6e0eab729fdd8f0
SHA1 d462d3cda31e9f1dde85f4e53993ea7ab8708ac2
SHA256 0b2b139b555e8da898712a6b2f998141029bb8461a693bbfc1805db2886e4752
SHA512 a2d6b577433bc19838a76b7c1ac404433bb58b6997d0104c6d014e5a5317f9bb1f1fd17d3639593eddf0fb45e1d38039c718e374794a461a8bfa8ff6ed1ff370

memory/2336-11-0x0000000000400000-0x000000000042A000-memory.dmp

memory/4240-13-0x0000000000400000-0x000000000042A000-memory.dmp

memory/2336-14-0x0000000000400000-0x000000000042A000-memory.dmp