Malware Analysis Report

2024-09-11 08:37

Sample ID 240608-3vb9laac8y
Target 5690e277e56ecbbd0701366636b511715ece839feaab593a38a0d48ec3bdad69
SHA256 5690e277e56ecbbd0701366636b511715ece839feaab593a38a0d48ec3bdad69
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

5690e277e56ecbbd0701366636b511715ece839feaab593a38a0d48ec3bdad69

Threat Level: Known bad

The file 5690e277e56ecbbd0701366636b511715ece839feaab593a38a0d48ec3bdad69 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 Matrix

N/A

Analysis: static1

Detonation Overview

Reported

2024-06-08 23:49

Signatures

Neconyd family

neconyd

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-08 23:49

Reported

2024-06-08 23:52

Platform

win7-20240419-en

Max time kernel

145s

Max time network

146s

Command Line

"C:\Users\Admin\AppData\Local\Temp\5690e277e56ecbbd0701366636b511715ece839feaab593a38a0d48ec3bdad69.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 2932 wrote to memory of 2804 N/A C:\Users\Admin\AppData\Local\Temp\5690e277e56ecbbd0701366636b511715ece839feaab593a38a0d48ec3bdad69.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2932 wrote to memory of 2804 N/A C:\Users\Admin\AppData\Local\Temp\5690e277e56ecbbd0701366636b511715ece839feaab593a38a0d48ec3bdad69.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2932 wrote to memory of 2804 N/A C:\Users\Admin\AppData\Local\Temp\5690e277e56ecbbd0701366636b511715ece839feaab593a38a0d48ec3bdad69.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2932 wrote to memory of 2804 N/A C:\Users\Admin\AppData\Local\Temp\5690e277e56ecbbd0701366636b511715ece839feaab593a38a0d48ec3bdad69.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2804 wrote to memory of 1572 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 2804 wrote to memory of 1572 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 2804 wrote to memory of 1572 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 2804 wrote to memory of 1572 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 1572 wrote to memory of 1612 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 1572 wrote to memory of 1612 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 1572 wrote to memory of 1612 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 1572 wrote to memory of 1612 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe

Processes

C:\Users\Admin\AppData\Local\Temp\5690e277e56ecbbd0701366636b511715ece839feaab593a38a0d48ec3bdad69.exe

"C:\Users\Admin\AppData\Local\Temp\5690e277e56ecbbd0701366636b511715ece839feaab593a38a0d48ec3bdad69.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/2932-0-0x0000000000400000-0x000000000042B000-memory.dmp

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

MD5 9d9aa122962490d224d482fa5399d3ae
SHA1 916388a7d08cd2e519033d7f172391a512cf9272
SHA256 92aad438f3ed97b0902fa179d086365440228d6d9e1062a3d8c0bcf4516a99fe
SHA512 e7a9234abce8c5d8f365abba26318831f435ff7b28c7a81f14f4838f72994838a049452b029718b2f725e41334feebcb6fb085b42cd14defa9ed8c14416b51bb

memory/2932-8-0x0000000000220000-0x000000000024B000-memory.dmp

memory/2804-12-0x0000000000400000-0x000000000042B000-memory.dmp

memory/2932-10-0x0000000000400000-0x000000000042B000-memory.dmp

memory/2804-13-0x0000000000400000-0x000000000042B000-memory.dmp

\Windows\SysWOW64\omsecor.exe

MD5 924213c03f6f355c91c60828a5ed993c
SHA1 99d47455703345630323084d65297e6d6f24e6ae
SHA256 ea7b4c0d6435d987cca7be813987de398bae881f44e9d3f013cbdcaba73b8949
SHA512 e68547aba2131ec4a33a5c36bebc2a71351e48f92e9f8d3c982e1e04d2e7e2fdb530cab5ea919b7e997436d6543cddaa0406d7b47d352171c04c89d3a6d97a43

memory/2804-18-0x00000000020B0000-0x00000000020DB000-memory.dmp

memory/1572-27-0x0000000000400000-0x000000000042B000-memory.dmp

memory/2804-24-0x0000000000400000-0x000000000042B000-memory.dmp

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

MD5 6edd33c693972d730ce9a2d4eaf5cd3a
SHA1 30d36d100de2b2cdaeb434af08e07b13d9fe73dc
SHA256 a0eb1c63c5bf29883645eafd5b54e4dd299383d6b8e97472b2a10f3889a0b22c
SHA512 115ad1ff94f16a0690256bbdd6141630793f5ff4fc4140459f6eb335fa2fac2b4d622ff8f68e90fb7c8a9beb65c1a907b4f392c1f1e83910fd23ce4385b48715

memory/1612-38-0x0000000000400000-0x000000000042B000-memory.dmp

memory/1572-35-0x0000000000400000-0x000000000042B000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-08 23:49

Reported

2024-06-08 23:52

Platform

win10v2004-20240226-en

Max time kernel

142s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\5690e277e56ecbbd0701366636b511715ece839feaab593a38a0d48ec3bdad69.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\5690e277e56ecbbd0701366636b511715ece839feaab593a38a0d48ec3bdad69.exe

"C:\Users\Admin\AppData\Local\Temp\5690e277e56ecbbd0701366636b511715ece839feaab593a38a0d48ec3bdad69.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=3780 --field-trial-handle=2692,i,8678872182442199182,12502579059484928042,262144 --variations-seed-version /prefetch:8

C:\Windows\SysWOW64\omsecor.exe

C:\Windows\System32\omsecor.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.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 17.160.190.20.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 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
FI 193.166.255.171:80 lousta.net tcp
US 8.8.8.8:53 chromewebstore.googleapis.com udp
US 8.8.8.8:53 chromewebstore.googleapis.com udp
FR 172.217.20.202:443 chromewebstore.googleapis.com tcp
US 8.8.8.8:53 202.20.217.172.in-addr.arpa udp
US 8.8.8.8:53 203.107.17.2.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 14.227.111.52.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 92.16.208.104.in-addr.arpa udp

Files

memory/3364-0-0x0000000000400000-0x000000000042B000-memory.dmp

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

MD5 9d9aa122962490d224d482fa5399d3ae
SHA1 916388a7d08cd2e519033d7f172391a512cf9272
SHA256 92aad438f3ed97b0902fa179d086365440228d6d9e1062a3d8c0bcf4516a99fe
SHA512 e7a9234abce8c5d8f365abba26318831f435ff7b28c7a81f14f4838f72994838a049452b029718b2f725e41334feebcb6fb085b42cd14defa9ed8c14416b51bb

memory/3656-4-0x0000000000400000-0x000000000042B000-memory.dmp

memory/3364-6-0x0000000000400000-0x000000000042B000-memory.dmp

memory/3656-7-0x0000000000400000-0x000000000042B000-memory.dmp

C:\Windows\SysWOW64\omsecor.exe

MD5 c90eff8542fab414f099dd6c9d4510dc
SHA1 3cb783e53e00c3e18721eab376906fa568a88c5e
SHA256 40e318c06878398e88c25099cc3e39b6301e61f2d8b9983626b9cafa4de4600e
SHA512 f1baa99c77b18efb3d67e25ef6a550fadccb945d347dda32e2bf366fc31afa2c9841c4ecac2481cdab4b3a2ce1b856249daedc57bda54411d68bb695291b0a0a

memory/3464-11-0x0000000000400000-0x000000000042B000-memory.dmp

memory/3656-13-0x0000000000400000-0x000000000042B000-memory.dmp

memory/3464-14-0x0000000000400000-0x000000000042B000-memory.dmp