Malware Analysis Report

2024-11-16 13:01

Sample ID 240521-xcdrtaef3v
Target 0f556371eb69bcbd6e3fe28538bef38ab6ede663705d0f4c2423d71346929319
SHA256 0f556371eb69bcbd6e3fe28538bef38ab6ede663705d0f4c2423d71346929319
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

0f556371eb69bcbd6e3fe28538bef38ab6ede663705d0f4c2423d71346929319

Threat Level: Known bad

The file 0f556371eb69bcbd6e3fe28538bef38ab6ede663705d0f4c2423d71346929319 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

2024-05-21 18:42

Signatures

Neconyd family

neconyd

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-21 18:42

Reported

2024-05-21 18:44

Platform

win7-20240508-en

Max time kernel

127s

Max time network

136s

Command Line

"C:\Users\Admin\AppData\Local\Temp\0f556371eb69bcbd6e3fe28538bef38ab6ede663705d0f4c2423d71346929319.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 2244 wrote to memory of 1900 N/A C:\Users\Admin\AppData\Local\Temp\0f556371eb69bcbd6e3fe28538bef38ab6ede663705d0f4c2423d71346929319.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2244 wrote to memory of 1900 N/A C:\Users\Admin\AppData\Local\Temp\0f556371eb69bcbd6e3fe28538bef38ab6ede663705d0f4c2423d71346929319.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2244 wrote to memory of 1900 N/A C:\Users\Admin\AppData\Local\Temp\0f556371eb69bcbd6e3fe28538bef38ab6ede663705d0f4c2423d71346929319.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2244 wrote to memory of 1900 N/A C:\Users\Admin\AppData\Local\Temp\0f556371eb69bcbd6e3fe28538bef38ab6ede663705d0f4c2423d71346929319.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 1900 wrote to memory of 744 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 1900 wrote to memory of 744 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 1900 wrote to memory of 744 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 1900 wrote to memory of 744 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 744 wrote to memory of 2868 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 744 wrote to memory of 2868 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 744 wrote to memory of 2868 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 744 wrote to memory of 2868 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe

Processes

C:\Users\Admin\AppData\Local\Temp\0f556371eb69bcbd6e3fe28538bef38ab6ede663705d0f4c2423d71346929319.exe

"C:\Users\Admin\AppData\Local\Temp\0f556371eb69bcbd6e3fe28538bef38ab6ede663705d0f4c2423d71346929319.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

Files

memory/2244-0-0x0000000000400000-0x000000000042A000-memory.dmp

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

MD5 d79f378f34476f58bd6fe2728023d8bf
SHA1 b9a443230d7a81d79a5809a3e2f278bd541e1aa9
SHA256 567043cc2852baced9cc668a73469207b6d61f0311c73c23e21cc4ab1028677d
SHA512 2445d8684fa39947170e4fbd57ca1cd29039b2233a0a5cc14024b9930c7219698f713a408c9bd9967539350516f19903132d6d827c1be7b1e213db22b39e7a07

memory/2244-9-0x0000000000400000-0x000000000042A000-memory.dmp

memory/1900-10-0x0000000000400000-0x000000000042A000-memory.dmp

memory/1900-12-0x0000000000400000-0x000000000042A000-memory.dmp

\Windows\SysWOW64\omsecor.exe

MD5 d1ffb1c1cf97c2b5f1f36bfaeb497258
SHA1 3f0a53d51a2b4c24c5965bf8b324d579c11b52b4
SHA256 54db8b97a89312a9d2d671660cb5fd776e48a6841b96fffcdf79525a17592799
SHA512 0e7777e67e074350ed3bf55fab44085f4a7fc1917c95ca37b78811d364b722bfb382b946b52ac6fbb889b262dd40a7eb3588ae06ad2e83932cd76da3b4430981

memory/1900-17-0x0000000000430000-0x000000000045A000-memory.dmp

memory/1900-23-0x0000000000400000-0x000000000042A000-memory.dmp

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

MD5 56ba8ac348e542fcc68787cc67ad6a0b
SHA1 265a12869bafba84c32fe6f5f321300d77896ef0
SHA256 a6bf38d7841cb95ed4344be4fe604586bccac45b852f21b1325108b0ccfabb67
SHA512 3842aec45beb68d099ec677170d3f28e08a79134bcc41302c1ee2f3150e53fbfb9ad36f281de4697d894e8e8fb90697be2f7ae567d907ed316f913d09c733d6b

memory/744-29-0x0000000000220000-0x000000000024A000-memory.dmp

memory/744-34-0x0000000000400000-0x000000000042A000-memory.dmp

memory/2868-37-0x0000000000400000-0x000000000042A000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-21 18:42

Reported

2024-05-21 18:44

Platform

win10v2004-20240426-en

Max time kernel

149s

Max time network

140s

Command Line

"C:\Users\Admin\AppData\Local\Temp\0f556371eb69bcbd6e3fe28538bef38ab6ede663705d0f4c2423d71346929319.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\0f556371eb69bcbd6e3fe28538bef38ab6ede663705d0f4c2423d71346929319.exe

"C:\Users\Admin\AppData\Local\Temp\0f556371eb69bcbd6e3fe28538bef38ab6ede663705d0f4c2423d71346929319.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 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
NL 23.62.61.155:443 www.bing.com tcp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 98.56.20.217.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 155.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
NL 23.62.61.155:443 www.bing.com tcp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.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 8.8.8.8:53 144.107.17.2.in-addr.arpa 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 lousta.net udp
FI 193.166.255.171:80 lousta.net tcp
US 8.8.8.8:53 18.129.101.95.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 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
FI 193.166.255.171:80 lousta.net tcp
US 64.225.91.73:80 tcp

Files

memory/2272-0-0x0000000000400000-0x000000000042A000-memory.dmp

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

MD5 d79f378f34476f58bd6fe2728023d8bf
SHA1 b9a443230d7a81d79a5809a3e2f278bd541e1aa9
SHA256 567043cc2852baced9cc668a73469207b6d61f0311c73c23e21cc4ab1028677d
SHA512 2445d8684fa39947170e4fbd57ca1cd29039b2233a0a5cc14024b9930c7219698f713a408c9bd9967539350516f19903132d6d827c1be7b1e213db22b39e7a07

memory/976-5-0x0000000000400000-0x000000000042A000-memory.dmp

memory/2272-6-0x0000000000400000-0x000000000042A000-memory.dmp

memory/976-7-0x0000000000400000-0x000000000042A000-memory.dmp

C:\Windows\SysWOW64\omsecor.exe

MD5 cc3ef8d9606b33bb39dca5c6a7d110e4
SHA1 7940d64014b976e6efecaa16869f3612e9f1307b
SHA256 ebd778b2f26f02e1197dfe8a019a5480ab54af054f3bfead8fb279b4f644336e
SHA512 a5fba438796d99c54b5d6e2690246ed30e6c7f480e0aa1cb4714d3bf4ad5b19583ae893f1b3f7f59fa6f525feecdb8184fdb4d6cd917c4bab32e148c444b6d9c

memory/976-12-0x0000000000400000-0x000000000042A000-memory.dmp

memory/3108-13-0x0000000000400000-0x000000000042A000-memory.dmp

memory/3108-14-0x0000000000400000-0x000000000042A000-memory.dmp