Malware Analysis Report

2024-11-16 12:59

Sample ID 240522-2wlnzscb95
Target 51eae04e5b7984ec441c4547b585b69ea300ca2867be45aad2fe9048f6f77b1a.exe
SHA256 51eae04e5b7984ec441c4547b585b69ea300ca2867be45aad2fe9048f6f77b1a
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

51eae04e5b7984ec441c4547b585b69ea300ca2867be45aad2fe9048f6f77b1a

Threat Level: Known bad

The file 51eae04e5b7984ec441c4547b585b69ea300ca2867be45aad2fe9048f6f77b1a.exe 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 22:55

Signatures

Neconyd family

neconyd

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-22 22:55

Reported

2024-05-22 22:58

Platform

win7-20240215-en

Max time kernel

145s

Max time network

147s

Command Line

"C:\Users\Admin\AppData\Local\Temp\51eae04e5b7984ec441c4547b585b69ea300ca2867be45aad2fe9048f6f77b1a.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 2392 wrote to memory of 2384 N/A C:\Users\Admin\AppData\Local\Temp\51eae04e5b7984ec441c4547b585b69ea300ca2867be45aad2fe9048f6f77b1a.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2392 wrote to memory of 2384 N/A C:\Users\Admin\AppData\Local\Temp\51eae04e5b7984ec441c4547b585b69ea300ca2867be45aad2fe9048f6f77b1a.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2392 wrote to memory of 2384 N/A C:\Users\Admin\AppData\Local\Temp\51eae04e5b7984ec441c4547b585b69ea300ca2867be45aad2fe9048f6f77b1a.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2392 wrote to memory of 2384 N/A C:\Users\Admin\AppData\Local\Temp\51eae04e5b7984ec441c4547b585b69ea300ca2867be45aad2fe9048f6f77b1a.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2384 wrote to memory of 2952 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 2384 wrote to memory of 2952 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 2384 wrote to memory of 2952 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 2384 wrote to memory of 2952 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 2952 wrote to memory of 1060 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2952 wrote to memory of 1060 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2952 wrote to memory of 1060 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2952 wrote to memory of 1060 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe

Processes

C:\Users\Admin\AppData\Local\Temp\51eae04e5b7984ec441c4547b585b69ea300ca2867be45aad2fe9048f6f77b1a.exe

"C:\Users\Admin\AppData\Local\Temp\51eae04e5b7984ec441c4547b585b69ea300ca2867be45aad2fe9048f6f77b1a.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 9dbe632100ac9c08c77cd3f86df58db1
SHA1 8645ca0750c1c44dc52228c2f6055a11079169d7
SHA256 4519ff8061372cb0b16eb75153991b4036a97516bb75400f8b80addef05304c2
SHA512 d899999c10702ac4950e1494c95ff8caf151de1b5d24574451be55ce44e66cd23c0f33eea494b5d99cbdc3c2e3691cd1b6d6e074dcd9ea4963c7f6d540d5c55d

\Windows\SysWOW64\omsecor.exe

MD5 27a54b87a5cac390f7b6f47c4d386f32
SHA1 5cfaf144a9ff6f16b91eebcd5dd28b47310701f6
SHA256 63d99b9ee2142dd3f02f4cf51500ef706d7f69cd807bf37c36e2fcd76a06e18d
SHA512 9e2eb4984e3826ed072fd800420b21ebc7b99bbd1a27cd6a19a4e0ab3da5159f9a51f43f38fec522af7f79095e03d52b8fd3d5d5a6278f9ec63b9a427a332e1f

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

MD5 b98f43dc26217fc6f66ec652cab2c6a6
SHA1 59279789591f4f8c2009625d0bd508c014fac134
SHA256 5254ff6bc0a231e0ebbbf3a89f529aac5d9e76bcfa4bc690646859def26918e2
SHA512 3a1246f92cad9025aeca42c8368caa8030de95d572a355f9d350a8c6b6217ced367722fb8007acafbbda373aad5f112cd0169b4414c30c35a7b1ea1bc5ec89e2

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-22 22:55

Reported

2024-05-22 22:58

Platform

win10v2004-20240508-en

Max time kernel

147s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\51eae04e5b7984ec441c4547b585b69ea300ca2867be45aad2fe9048f6f77b1a.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

Processes

C:\Users\Admin\AppData\Local\Temp\51eae04e5b7984ec441c4547b585b69ea300ca2867be45aad2fe9048f6f77b1a.exe

"C:\Users\Admin\AppData\Local\Temp\51eae04e5b7984ec441c4547b585b69ea300ca2867be45aad2fe9048f6f77b1a.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
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
FI 193.166.255.171:80 lousta.net tcp
US 8.8.8.8:53 2.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
NL 23.62.61.97:443 www.bing.com tcp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 97.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
FI 193.166.255.171:80 lousta.net tcp
US 8.8.8.8:53 198.187.3.20.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 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 8.8.8.8:53 240.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.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 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
FI 193.166.255.171:80 lousta.net tcp
US 64.225.91.73:80 mkkuei4kdsz.com tcp

Files

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

MD5 9dbe632100ac9c08c77cd3f86df58db1
SHA1 8645ca0750c1c44dc52228c2f6055a11079169d7
SHA256 4519ff8061372cb0b16eb75153991b4036a97516bb75400f8b80addef05304c2
SHA512 d899999c10702ac4950e1494c95ff8caf151de1b5d24574451be55ce44e66cd23c0f33eea494b5d99cbdc3c2e3691cd1b6d6e074dcd9ea4963c7f6d540d5c55d

C:\Windows\SysWOW64\omsecor.exe

MD5 14a39979cf6b683ff854c4f565c6a796
SHA1 35b4ba01f5753e45f6ad136afb91f564dbfa8804
SHA256 ff618b16a49b67d38960ded2496df5c730460f82260cf01f36f8a71ba857214a
SHA512 444ce4a0788fb6b5cd89b2e40918d6e1ca985095c4593561910ba570611ea3a3b63e09198cd62343ce56307df9adae3be3c841d3e88b725bc021bc678990837e

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

MD5 072df889c5a66363ec36cc8c6c8e0102
SHA1 cc3255f2a85f1020746549338910ff2d76730d15
SHA256 7f1fb07c82d6ebf12ebf555394aecca17d7679a18628d9710b9f5074b6464883
SHA512 fe0d6cae38fa771fe6bc2c108e780586408904e4ad31f3e7e8a386f85a95aa5a03fccec205a2dfa6f563052ed6c4058c0733cc2e6fbd9c46b52a1f1dbd521bdc