Malware Analysis Report

2024-11-16 12:59

Sample ID 240818-ct65gatark
Target 0ff077e73ac896074b6a5e0fbb936740N.exe
SHA256 40e334861a43d950c9e37b2b1707f8c7ed2c5da8b4d8dfb6d2a83aa89fcd2733
Tags
neconyd discovery trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

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

40e334861a43d950c9e37b2b1707f8c7ed2c5da8b4d8dfb6d2a83aa89fcd2733

Threat Level: Known bad

The file 0ff077e73ac896074b6a5e0fbb936740N.exe was found to be: Known bad.

Malicious Activity Summary

neconyd discovery trojan

Neconyd family

Neconyd

Executes dropped EXE

Loads dropped DLL

Drops file in System32 directory

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-18 02:23

Signatures

Neconyd family

neconyd

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-18 02:23

Reported

2024-08-18 02:25

Platform

win7-20240708-en

Max time kernel

116s

Max time network

119s

Command Line

"C:\Users\Admin\AppData\Local\Temp\0ff077e73ac896074b6a5e0fbb936740N.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

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Roaming\omsecor.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\omsecor.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Roaming\omsecor.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\0ff077e73ac896074b6a5e0fbb936740N.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2296 wrote to memory of 824 N/A C:\Users\Admin\AppData\Local\Temp\0ff077e73ac896074b6a5e0fbb936740N.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2296 wrote to memory of 824 N/A C:\Users\Admin\AppData\Local\Temp\0ff077e73ac896074b6a5e0fbb936740N.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2296 wrote to memory of 824 N/A C:\Users\Admin\AppData\Local\Temp\0ff077e73ac896074b6a5e0fbb936740N.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2296 wrote to memory of 824 N/A C:\Users\Admin\AppData\Local\Temp\0ff077e73ac896074b6a5e0fbb936740N.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 824 wrote to memory of 2608 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 824 wrote to memory of 2608 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 824 wrote to memory of 2608 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 824 wrote to memory of 2608 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 2608 wrote to memory of 1696 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2608 wrote to memory of 1696 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2608 wrote to memory of 1696 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2608 wrote to memory of 1696 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe

Processes

C:\Users\Admin\AppData\Local\Temp\0ff077e73ac896074b6a5e0fbb936740N.exe

"C:\Users\Admin\AppData\Local\Temp\0ff077e73ac896074b6a5e0fbb936740N.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 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

Files

memory/2296-0-0x0000000000400000-0x000000000042B000-memory.dmp

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

MD5 bdd40aa2ab4663d8868ccb42bc328a3a
SHA1 be7755cac04e2a221d6c35b09489a4c791aac591
SHA256 0012e2299e3d0e64226eaf715d35b057e094a590517753c06d6ecf5b8c205acf
SHA512 e75839c36ec69518518f88d33efbbf25e06714a16698dc676ec6732aaf7a9b909b308bb4ef902c1caf6629e47671488a7ba73a3c9cf056b0c1e681c71e3d0413

memory/2296-4-0x0000000000220000-0x000000000024B000-memory.dmp

memory/2296-9-0x0000000000400000-0x000000000042B000-memory.dmp

memory/824-12-0x0000000000400000-0x000000000042B000-memory.dmp

\Windows\SysWOW64\omsecor.exe

MD5 cede38a1913e9df9817e6471c071b68a
SHA1 f7c7f92aef7f1b6f3ff8c2bc4809073ad1c86549
SHA256 4ce1f7bd2bd43a9ac148c486ec48f7b00e18c35d5b53dfdcd035cc05c39e33f6
SHA512 6ab5a1fb50a1e0116924440282d6cb63b17cbc4a44d6a93d890ff6c88ae20c783321a4bad80dd761d0c515c7733804fc6080a6accb7a124ce3162df45032d420

memory/824-23-0x0000000001F30000-0x0000000001F5B000-memory.dmp

memory/824-25-0x0000000000400000-0x000000000042B000-memory.dmp

memory/2608-26-0x0000000000400000-0x000000000042B000-memory.dmp

memory/824-22-0x0000000001F30000-0x0000000001F5B000-memory.dmp

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

MD5 b389f43ef7467094709ef1e9f41bc8a6
SHA1 a7f0108ea3c9f72ca3f1b8fd550c56716b128a68
SHA256 e0304ce1123c8be87360b1abc0a44d454813218a79edc5d9414118d199b2c031
SHA512 27a44ffb6af83b38cb5c9a94949ce3866bcb2675ae30626235c4cd0ce04e9b6d00401748faf9f67bd6bf78e66b46db08dc9d06e3241ecbaf5f177b750ea5c718

memory/2608-36-0x00000000005C0000-0x00000000005EB000-memory.dmp

memory/1696-38-0x0000000000400000-0x000000000042B000-memory.dmp

memory/2608-35-0x0000000000400000-0x000000000042B000-memory.dmp

memory/1696-40-0x0000000000400000-0x000000000042B000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-18 02:23

Reported

2024-08-18 02:25

Platform

win10v2004-20240802-en

Max time kernel

114s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\0ff077e73ac896074b6a5e0fbb936740N.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

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\0ff077e73ac896074b6a5e0fbb936740N.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Roaming\omsecor.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\omsecor.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\0ff077e73ac896074b6a5e0fbb936740N.exe

"C:\Users\Admin\AppData\Local\Temp\0ff077e73ac896074b6a5e0fbb936740N.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 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 14.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
FI 193.166.255.171:80 lousta.net tcp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.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 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
US 8.8.8.8:53 30.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 10.28.171.150.in-addr.arpa udp
FI 193.166.255.171:80 lousta.net tcp

Files

memory/4824-0-0x0000000000400000-0x000000000042B000-memory.dmp

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

MD5 bdd40aa2ab4663d8868ccb42bc328a3a
SHA1 be7755cac04e2a221d6c35b09489a4c791aac591
SHA256 0012e2299e3d0e64226eaf715d35b057e094a590517753c06d6ecf5b8c205acf
SHA512 e75839c36ec69518518f88d33efbbf25e06714a16698dc676ec6732aaf7a9b909b308bb4ef902c1caf6629e47671488a7ba73a3c9cf056b0c1e681c71e3d0413

memory/1912-4-0x0000000000400000-0x000000000042B000-memory.dmp

memory/4824-6-0x0000000000400000-0x000000000042B000-memory.dmp

memory/1912-7-0x0000000000400000-0x000000000042B000-memory.dmp

C:\Windows\SysWOW64\omsecor.exe

MD5 1bacc2bcdd0d7d8608b108f75e17530a
SHA1 f6dc3a0eac4cd040873afdc3f2007ab70a48911f
SHA256 2eaad55d6f7bc22066d5397346cf796ade25079bcf267518aa78591a1da76284
SHA512 bb427a462569fee1b93ebea9843ae7089286523ebd6816c29375a2a662ee866bd07c44251b124a32a8cfbe443a3f1e1222de0861d64d70f94cf08798ae27ad29

memory/3896-12-0x0000000000400000-0x000000000042B000-memory.dmp

memory/1912-13-0x0000000000400000-0x000000000042B000-memory.dmp

memory/3896-14-0x0000000000400000-0x000000000042B000-memory.dmp