Malware Analysis Report

2024-11-16 13:00

Sample ID 240522-j29znahb58
Target d726a02838b1ea97c309055f6c8e6cf51cbcc3dee07f53646682e5eb52bf8f17
SHA256 d726a02838b1ea97c309055f6c8e6cf51cbcc3dee07f53646682e5eb52bf8f17
Tags
neconyd trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

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

d726a02838b1ea97c309055f6c8e6cf51cbcc3dee07f53646682e5eb52bf8f17

Threat Level: Known bad

The file d726a02838b1ea97c309055f6c8e6cf51cbcc3dee07f53646682e5eb52bf8f17 was found to be: Known bad.

Malicious Activity Summary

neconyd trojan

Neconyd family

Neconyd

Executes dropped EXE

Loads dropped DLL

Drops file in System32 directory

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-05-22 08:11

Signatures

Neconyd family

neconyd

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-22 08:11

Reported

2024-05-22 08:13

Platform

win7-20240221-en

Max time kernel

145s

Max time network

146s

Command Line

"C:\Users\Admin\AppData\Local\Temp\d726a02838b1ea97c309055f6c8e6cf51cbcc3dee07f53646682e5eb52bf8f17.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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1984 wrote to memory of 2636 N/A C:\Users\Admin\AppData\Local\Temp\d726a02838b1ea97c309055f6c8e6cf51cbcc3dee07f53646682e5eb52bf8f17.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 1984 wrote to memory of 2636 N/A C:\Users\Admin\AppData\Local\Temp\d726a02838b1ea97c309055f6c8e6cf51cbcc3dee07f53646682e5eb52bf8f17.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 1984 wrote to memory of 2636 N/A C:\Users\Admin\AppData\Local\Temp\d726a02838b1ea97c309055f6c8e6cf51cbcc3dee07f53646682e5eb52bf8f17.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 1984 wrote to memory of 2636 N/A C:\Users\Admin\AppData\Local\Temp\d726a02838b1ea97c309055f6c8e6cf51cbcc3dee07f53646682e5eb52bf8f17.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2636 wrote to memory of 1704 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 2636 wrote to memory of 1704 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 2636 wrote to memory of 1704 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 2636 wrote to memory of 1704 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 1704 wrote to memory of 1004 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 1704 wrote to memory of 1004 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 1704 wrote to memory of 1004 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 1704 wrote to memory of 1004 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe

Processes

C:\Users\Admin\AppData\Local\Temp\d726a02838b1ea97c309055f6c8e6cf51cbcc3dee07f53646682e5eb52bf8f17.exe

"C:\Users\Admin\AppData\Local\Temp\d726a02838b1ea97c309055f6c8e6cf51cbcc3dee07f53646682e5eb52bf8f17.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 35.91.124.102:80 ow5dirasuek.com tcp
FI 193.166.255.171:80 lousta.net tcp
FI 193.166.255.171:80 lousta.net tcp
US 64.225.91.73:80 mkkuei4kdsz.com tcp

Files

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

MD5 a5e33943d8064b6db399cf7534bd65cd
SHA1 6dcb38fbb2e35153fe016598d6ef675b038db71e
SHA256 48176186f82671f61df941d889671dd5578bafc160a5fb23d633dd88421a61bf
SHA512 c7d3962af2836b7915b5e73f7ba5678e5aacae1ba37c5f711e474549638300aa58ba195b7b429b5aba57d6d61212d6d39e8e85e789e551e58a6f895037d53e0a

\Windows\SysWOW64\omsecor.exe

MD5 75e4e2b30776a266dfc95612f9f65cfc
SHA1 6bcf354dc6413f232a195a2d67b8bd8b6a4ab67a
SHA256 58ae4545f12b5c67ec4cf6e04ff11719ba73605cc847df0085e773525fe6c5e5
SHA512 53ea840be63f2a0d2fac9dbf01324eafe81ea9ea419e720cb8493f49ea68b433cb8aa456d6bd4a50f450e7782eb0b27c41b8121c98eb9c7d7ff65b1f7ea9e41c

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

MD5 e1e514cd1a47ea054571440cd501b379
SHA1 b59e07ee87e7cd4960899a6f8f1eee944df05c3b
SHA256 c9400e7c843a5781d1aeb9647a019432be5c3ee1e4f0a981157fca11942ca90a
SHA512 8ce8f15595919bcaccc7104d554cd0f6d7106bb9a96d634c341a319733b6b47d3ebc340e6ea513f58e92ba591160e4f6e8777014fd4198416f8e957e62b67d1e

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-22 08:11

Reported

2024-05-22 08:13

Platform

win10v2004-20240508-en

Max time kernel

149s

Max time network

157s

Command Line

"C:\Users\Admin\AppData\Local\Temp\d726a02838b1ea97c309055f6c8e6cf51cbcc3dee07f53646682e5eb52bf8f17.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

Processes

C:\Users\Admin\AppData\Local\Temp\d726a02838b1ea97c309055f6c8e6cf51cbcc3dee07f53646682e5eb52bf8f17.exe

"C:\Users\Admin\AppData\Local\Temp\d726a02838b1ea97c309055f6c8e6cf51cbcc3dee07f53646682e5eb52bf8f17.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 204.79.197.237:443 g.bing.com tcp
NL 23.62.61.139:443 www.bing.com tcp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 139.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 64.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.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 45.19.74.20.in-addr.arpa udp
US 8.8.8.8:53 ow5dirasuek.com udp
US 35.91.124.102:80 ow5dirasuek.com tcp
US 8.8.8.8:53 102.124.91.35.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 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
FI 193.166.255.171:80 lousta.net tcp
US 64.225.91.73:80 mkkuei4kdsz.com tcp
US 8.8.8.8:53 24.173.189.20.in-addr.arpa udp

Files

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

MD5 a5e33943d8064b6db399cf7534bd65cd
SHA1 6dcb38fbb2e35153fe016598d6ef675b038db71e
SHA256 48176186f82671f61df941d889671dd5578bafc160a5fb23d633dd88421a61bf
SHA512 c7d3962af2836b7915b5e73f7ba5678e5aacae1ba37c5f711e474549638300aa58ba195b7b429b5aba57d6d61212d6d39e8e85e789e551e58a6f895037d53e0a

C:\Windows\SysWOW64\omsecor.exe

MD5 cc88e75dc8893ebd1ac3549f3d0b48a5
SHA1 b44d70ffbb38f2fd76a754cd8c3c19dff75c2a16
SHA256 948d570b0d366083ce368ee8462feac9699cc98dde6d0e7bd9adde051d6bc93b
SHA512 26cd87873149ffc50e04feee1192f477c66f3f6a36aff9f631e57c864a4cf1ce0812fa9400d753cf3214bc1a030824ca8932f1ef30c1c94b237e4486088ab92d