Malware Analysis Report

2024-09-11 08:33

Sample ID 240610-xswybsxapd
Target ec8b859f6e7e0ad553c484d1dabb1832feee70d0362e60fce49176d763c904de
SHA256 ec8b859f6e7e0ad553c484d1dabb1832feee70d0362e60fce49176d763c904de
Tags
neconyd trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

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

ec8b859f6e7e0ad553c484d1dabb1832feee70d0362e60fce49176d763c904de

Threat Level: Known bad

The file ec8b859f6e7e0ad553c484d1dabb1832feee70d0362e60fce49176d763c904de was found to be: Known bad.

Malicious Activity Summary

neconyd trojan

Neconyd

Neconyd family

Executes dropped EXE

Loads dropped DLL

Drops file in System32 directory

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK Matrix

N/A

Analysis: static1

Detonation Overview

Reported

2024-06-10 19:07

Signatures

Neconyd family

neconyd

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-10 19:07

Reported

2024-06-10 19:10

Platform

win7-20240221-en

Max time kernel

145s

Max time network

147s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ec8b859f6e7e0ad553c484d1dabb1832feee70d0362e60fce49176d763c904de.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

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\ec8b859f6e7e0ad553c484d1dabb1832feee70d0362e60fce49176d763c904de.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\ec8b859f6e7e0ad553c484d1dabb1832feee70d0362e60fce49176d763c904de.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\omsecor.exe N/A
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:\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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2328 wrote to memory of 1508 N/A C:\Users\Admin\AppData\Local\Temp\ec8b859f6e7e0ad553c484d1dabb1832feee70d0362e60fce49176d763c904de.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2328 wrote to memory of 1508 N/A C:\Users\Admin\AppData\Local\Temp\ec8b859f6e7e0ad553c484d1dabb1832feee70d0362e60fce49176d763c904de.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2328 wrote to memory of 1508 N/A C:\Users\Admin\AppData\Local\Temp\ec8b859f6e7e0ad553c484d1dabb1832feee70d0362e60fce49176d763c904de.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2328 wrote to memory of 1508 N/A C:\Users\Admin\AppData\Local\Temp\ec8b859f6e7e0ad553c484d1dabb1832feee70d0362e60fce49176d763c904de.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 1508 wrote to memory of 2288 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 1508 wrote to memory of 2288 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 1508 wrote to memory of 2288 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 1508 wrote to memory of 2288 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 2288 wrote to memory of 1648 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2288 wrote to memory of 1648 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2288 wrote to memory of 1648 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2288 wrote to memory of 1648 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe

Processes

C:\Users\Admin\AppData\Local\Temp\ec8b859f6e7e0ad553c484d1dabb1832feee70d0362e60fce49176d763c904de.exe

"C:\Users\Admin\AppData\Local\Temp\ec8b859f6e7e0ad553c484d1dabb1832feee70d0362e60fce49176d763c904de.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
US 64.225.91.73:80 mkkuei4kdsz.com tcp

Files

memory/2328-0-0x0000000000400000-0x000000000042A000-memory.dmp

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

MD5 a7f31a4455044935b61af7af119c39ec
SHA1 a9e6bb3ade77fd041178f61c79c2445782d16daf
SHA256 d7fc0e31f36dbd4b9feef2a2c644ebf3cea080f179370de88148fc8efd84b719
SHA512 8350b14bde59b349940a53bd2e27581b3bb3d6b37b3d2749d81163fc16f75e401dc8dbae61f4462916cc02ca54c9644506e21c98d9527d4f32b3d844c894bab8

memory/2328-4-0x0000000000220000-0x000000000024A000-memory.dmp

memory/2328-9-0x0000000000400000-0x000000000042A000-memory.dmp

memory/1508-12-0x0000000000400000-0x000000000042A000-memory.dmp

\Windows\SysWOW64\omsecor.exe

MD5 8f79288573d94247985574dbd9418f0b
SHA1 eb263b672f6afeb385ddf0e3a09c5b98915fbf40
SHA256 b1c62da4132ce2a471de4783a25a7a60b181e3cf9564090ed0c17cc1f68b0a3e
SHA512 4037c71f38dc550c6d3190f2ef39fcadbffbf56a9bc1e3d8b5a496b8ed9d4d27fb1140836dbf374d04d0c846369c7af9a6e065cbf45a0fdd9ae8d04521906701

memory/1508-18-0x00000000003B0000-0x00000000003DA000-memory.dmp

memory/1508-23-0x0000000000400000-0x000000000042A000-memory.dmp

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

MD5 f165ed1e7f8dd8a31e76a225b4c4edfa
SHA1 4b5e777702a63900f62c70aef93db0007f2b7e1c
SHA256 4b24807e3017ca949d79dbb19f08746441aeadea4b348e58001c7a1ef5e94330
SHA512 576bf902cbfee114a45e651927012d61fa157ef37f4490dff583f54094e11e483c96d1231bdcdc572610584d30608e47f8f7b2886dd5c5d175c99e7a9b8a30de

memory/2288-33-0x0000000000400000-0x000000000042A000-memory.dmp

memory/1648-35-0x0000000000400000-0x000000000042A000-memory.dmp

memory/1648-37-0x0000000000400000-0x000000000042A000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-10 19:07

Reported

2024-06-10 19:10

Platform

win10v2004-20240226-en

Max time kernel

141s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ec8b859f6e7e0ad553c484d1dabb1832feee70d0362e60fce49176d763c904de.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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3148 wrote to memory of 4896 N/A C:\Users\Admin\AppData\Local\Temp\ec8b859f6e7e0ad553c484d1dabb1832feee70d0362e60fce49176d763c904de.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 3148 wrote to memory of 4896 N/A C:\Users\Admin\AppData\Local\Temp\ec8b859f6e7e0ad553c484d1dabb1832feee70d0362e60fce49176d763c904de.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 3148 wrote to memory of 4896 N/A C:\Users\Admin\AppData\Local\Temp\ec8b859f6e7e0ad553c484d1dabb1832feee70d0362e60fce49176d763c904de.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 4896 wrote to memory of 4672 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 4896 wrote to memory of 4672 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 4896 wrote to memory of 4672 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe

Processes

C:\Users\Admin\AppData\Local\Temp\ec8b859f6e7e0ad553c484d1dabb1832feee70d0362e60fce49176d763c904de.exe

"C:\Users\Admin\AppData\Local\Temp\ec8b859f6e7e0ad553c484d1dabb1832feee70d0362e60fce49176d763c904de.exe"

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

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

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4340 --field-trial-handle=2252,i,16022092570067181109,3235558581947505669,262144 --variations-seed-version /prefetch:8

C:\Windows\SysWOW64\omsecor.exe

C:\Windows\System32\omsecor.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 146.211.222.173.in-addr.arpa udp
US 8.8.8.8:53 lousta.net udp
FI 193.166.255.171:80 lousta.net tcp
US 8.8.8.8:53 148.177.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
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 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
FI 193.166.255.171:80 lousta.net tcp
US 8.8.8.8:53 24.73.42.20.in-addr.arpa udp

Files

memory/3148-0-0x0000000000400000-0x000000000042A000-memory.dmp

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

MD5 a7f31a4455044935b61af7af119c39ec
SHA1 a9e6bb3ade77fd041178f61c79c2445782d16daf
SHA256 d7fc0e31f36dbd4b9feef2a2c644ebf3cea080f179370de88148fc8efd84b719
SHA512 8350b14bde59b349940a53bd2e27581b3bb3d6b37b3d2749d81163fc16f75e401dc8dbae61f4462916cc02ca54c9644506e21c98d9527d4f32b3d844c894bab8

memory/4896-4-0x0000000000400000-0x000000000042A000-memory.dmp

memory/3148-6-0x0000000000400000-0x000000000042A000-memory.dmp

memory/4896-7-0x0000000000400000-0x000000000042A000-memory.dmp

C:\Windows\SysWOW64\omsecor.exe

MD5 a6149556c69e4bc1a7eb37a045a3247d
SHA1 53395412a5cae54b4ee6fcf429153ba637d7f4ec
SHA256 c48e3f8c9607ad4503cefa93a31849c51d993e54d59f48cceea6529364e65ab2
SHA512 c85b14210464c6eebb10f614a7f311b72d6c5ae589f4bbd50164534fd1ff5e35fc7e929a2560cd32e3b666a61b79c376ce6cad40fae2dc2bebf058534a1f7612

memory/4672-11-0x0000000000400000-0x000000000042A000-memory.dmp

memory/4896-13-0x0000000000400000-0x000000000042A000-memory.dmp

memory/4672-14-0x0000000000400000-0x000000000042A000-memory.dmp