Malware Analysis Report

2024-11-16 13:01

Sample ID 240522-wn3dwabc2s
Target 2c535b5b8e242717c64f8d1c6f39903829fb87ac086749b0ed044ba7d2e5c4fc.exe
SHA256 2c535b5b8e242717c64f8d1c6f39903829fb87ac086749b0ed044ba7d2e5c4fc
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

2c535b5b8e242717c64f8d1c6f39903829fb87ac086749b0ed044ba7d2e5c4fc

Threat Level: Known bad

The file 2c535b5b8e242717c64f8d1c6f39903829fb87ac086749b0ed044ba7d2e5c4fc.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 18:04

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 18:04

Reported

2024-05-22 18:07

Platform

win7-20240508-en

Max time kernel

145s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2c535b5b8e242717c64f8d1c6f39903829fb87ac086749b0ed044ba7d2e5c4fc.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 1304 wrote to memory of 1940 N/A C:\Users\Admin\AppData\Local\Temp\2c535b5b8e242717c64f8d1c6f39903829fb87ac086749b0ed044ba7d2e5c4fc.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 1304 wrote to memory of 1940 N/A C:\Users\Admin\AppData\Local\Temp\2c535b5b8e242717c64f8d1c6f39903829fb87ac086749b0ed044ba7d2e5c4fc.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 1304 wrote to memory of 1940 N/A C:\Users\Admin\AppData\Local\Temp\2c535b5b8e242717c64f8d1c6f39903829fb87ac086749b0ed044ba7d2e5c4fc.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 1304 wrote to memory of 1940 N/A C:\Users\Admin\AppData\Local\Temp\2c535b5b8e242717c64f8d1c6f39903829fb87ac086749b0ed044ba7d2e5c4fc.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 1940 wrote to memory of 2352 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 1940 wrote to memory of 2352 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 1940 wrote to memory of 2352 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 1940 wrote to memory of 2352 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 2352 wrote to memory of 1724 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2352 wrote to memory of 1724 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2352 wrote to memory of 1724 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2352 wrote to memory of 1724 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe

Processes

C:\Users\Admin\AppData\Local\Temp\2c535b5b8e242717c64f8d1c6f39903829fb87ac086749b0ed044ba7d2e5c4fc.exe

"C:\Users\Admin\AppData\Local\Temp\2c535b5b8e242717c64f8d1c6f39903829fb87ac086749b0ed044ba7d2e5c4fc.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
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 789ad43d132970e75072f253d64cdb36
SHA1 751ff2ab4d73974572d51801a61f850e87fac667
SHA256 ff4d1339f4d57b667cfcb22d5beb40359040cf6c93d3aea49e3cf28f66e9fa3b
SHA512 7fd2db8619ff7c68b91486e6659f1af8c2630836dcaa128abc62537b7c1973a96138e1bcbe9a4fbed3258ae243a0e555054682f486153cce7de5580e17078c47

\Windows\SysWOW64\omsecor.exe

MD5 78e67fdaeea97e64a8e5a654764a25b8
SHA1 74d587c2e4ce8331ab0ce92f7c91a12b82cff49b
SHA256 5e91aceb53dc7fdaf7e5e68550e2956dc26b92c96d44e47216d671030e002b26
SHA512 b95831a59035a8a0eff7cf23e58a71e9ae752f892203edf3ddfaa1ac4754ab4f02273611ad66ec3f30804c26aca5355e0913a9a6b9c6f160f94a7f2aa389efab

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

MD5 07c976e6147da5ae080038b20c3ffc4f
SHA1 fe54115ec318babe75dc1187aec1914b1229d400
SHA256 3551c07a0b81b819c56feda4c1b4907264df7465ee604561041f81bbfb32b44e
SHA512 67058655fa2411736db442cdfdb5d988056d6eaa7883cc02dfe385904ef530a8a0ef4e60be13c22051fc85c68b502d219d2929974cfcd9cb6d34ba5b7e494f87

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-22 18:04

Reported

2024-05-22 18:07

Platform

win10v2004-20240226-en

Max time kernel

143s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2c535b5b8e242717c64f8d1c6f39903829fb87ac086749b0ed044ba7d2e5c4fc.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\2c535b5b8e242717c64f8d1c6f39903829fb87ac086749b0ed044ba7d2e5c4fc.exe

"C:\Users\Admin\AppData\Local\Temp\2c535b5b8e242717c64f8d1c6f39903829fb87ac086749b0ed044ba7d2e5c4fc.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=4088 --field-trial-handle=3088,i,14310325015283915034,7660943942870463106,262144 --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 lousta.net udp
FI 193.166.255.171:80 lousta.net tcp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 240.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 23.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 13.107.253.67:443 tcp
FI 193.166.255.171:80 lousta.net tcp
US 8.8.8.8:53 216.197.17.2.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 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
US 8.8.8.8:53 31.243.111.52.in-addr.arpa udp
FI 193.166.255.171:80 lousta.net tcp
US 8.8.8.8:53 203.197.17.2.in-addr.arpa udp
FI 193.166.255.171:80 lousta.net tcp
US 8.8.8.8:53 24.73.42.20.in-addr.arpa udp

Files

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

MD5 789ad43d132970e75072f253d64cdb36
SHA1 751ff2ab4d73974572d51801a61f850e87fac667
SHA256 ff4d1339f4d57b667cfcb22d5beb40359040cf6c93d3aea49e3cf28f66e9fa3b
SHA512 7fd2db8619ff7c68b91486e6659f1af8c2630836dcaa128abc62537b7c1973a96138e1bcbe9a4fbed3258ae243a0e555054682f486153cce7de5580e17078c47

C:\Windows\SysWOW64\omsecor.exe

MD5 b8154daad4c01a9f84bcc6caf7160195
SHA1 def3e30690fd0d20043c3a787ba66970a2607b9d
SHA256 5a009e80f2f94c658dc0a4e073ba8461fa32cd00f07093fe4065d544d91769a7
SHA512 cff7abac90a6ffc175205a0c624963b03b5ecd0b1fab1a01a78ed5dd5e190ae3cf9b8d1247122995b8cb90da31d6b4e9885e5db93e6772ece009acd54d217a7f