Malware Analysis Report

2024-09-11 08:31

Sample ID 240612-aqzj4swgkk
Target 859fee1858597ce120e373c5b9aaa0355de212bd6a01bb8e3f82f24434c47199
SHA256 859fee1858597ce120e373c5b9aaa0355de212bd6a01bb8e3f82f24434c47199
Tags
neconyd trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

859fee1858597ce120e373c5b9aaa0355de212bd6a01bb8e3f82f24434c47199

Threat Level: Known bad

The file 859fee1858597ce120e373c5b9aaa0355de212bd6a01bb8e3f82f24434c47199 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

2024-06-12 00:25

Signatures

Neconyd family

neconyd

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-12 00:25

Reported

2024-06-12 00:28

Platform

win10v2004-20240611-en

Max time kernel

145s

Max time network

147s

Command Line

"C:\Users\Admin\AppData\Local\Temp\859fee1858597ce120e373c5b9aaa0355de212bd6a01bb8e3f82f24434c47199.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 368 wrote to memory of 3972 N/A C:\Users\Admin\AppData\Local\Temp\859fee1858597ce120e373c5b9aaa0355de212bd6a01bb8e3f82f24434c47199.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 368 wrote to memory of 3972 N/A C:\Users\Admin\AppData\Local\Temp\859fee1858597ce120e373c5b9aaa0355de212bd6a01bb8e3f82f24434c47199.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 368 wrote to memory of 3972 N/A C:\Users\Admin\AppData\Local\Temp\859fee1858597ce120e373c5b9aaa0355de212bd6a01bb8e3f82f24434c47199.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 3972 wrote to memory of 4496 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 3972 wrote to memory of 4496 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 3972 wrote to memory of 4496 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe

Processes

C:\Users\Admin\AppData\Local\Temp\859fee1858597ce120e373c5b9aaa0355de212bd6a01bb8e3f82f24434c47199.exe

"C:\Users\Admin\AppData\Local\Temp\859fee1858597ce120e373c5b9aaa0355de212bd6a01bb8e3f82f24434c47199.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 0.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 57.169.31.20.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 8.8.8.8:53 203.107.17.2.in-addr.arpa udp
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
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
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/368-0-0x0000000000400000-0x000000000042A000-memory.dmp

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

MD5 e71bbf56a5d2c19533bf3e901124296c
SHA1 d734c5135fbe76bbb53650450231c6415549f783
SHA256 6468b436ca7d5d3bece8e173e011fd958f5b1b2f85e83ab812bbaed3cae25eec
SHA512 9015c754066ffd532755d7bf3e7da1eab593ac1684b6ca86792e4965c1ca2222d4953e3254acf8565b21fb0baf9bd3eeb5dc9aab63ac48e8abf3d851e1245ce4

memory/3972-6-0x0000000000400000-0x000000000042A000-memory.dmp

memory/368-5-0x0000000000400000-0x000000000042A000-memory.dmp

memory/3972-7-0x0000000000400000-0x000000000042A000-memory.dmp

C:\Windows\SysWOW64\omsecor.exe

MD5 581df6226c94d79687ff12e862c811ba
SHA1 aededc82351a2f97e79b3b119f17fec5e9191d97
SHA256 46f0545524a46da0a14678726c428aea98590b25e2f8a7e502aad3a5949ac470
SHA512 5942767637192fedbe74b04e97e3acde17946598d24cb6bf04fda15d832d3caf73e1e5100f11dbe4345706a8c99db411144e15c3e57646d2eaf29378acf1914d

memory/3972-12-0x0000000000400000-0x000000000042A000-memory.dmp

memory/4496-13-0x0000000000400000-0x000000000042A000-memory.dmp

memory/4496-14-0x0000000000400000-0x000000000042A000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-12 00:25

Reported

2024-06-12 00:28

Platform

win7-20240419-en

Max time kernel

146s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\859fee1858597ce120e373c5b9aaa0355de212bd6a01bb8e3f82f24434c47199.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\859fee1858597ce120e373c5b9aaa0355de212bd6a01bb8e3f82f24434c47199.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\859fee1858597ce120e373c5b9aaa0355de212bd6a01bb8e3f82f24434c47199.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 2036 wrote to memory of 2364 N/A C:\Users\Admin\AppData\Local\Temp\859fee1858597ce120e373c5b9aaa0355de212bd6a01bb8e3f82f24434c47199.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2036 wrote to memory of 2364 N/A C:\Users\Admin\AppData\Local\Temp\859fee1858597ce120e373c5b9aaa0355de212bd6a01bb8e3f82f24434c47199.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2036 wrote to memory of 2364 N/A C:\Users\Admin\AppData\Local\Temp\859fee1858597ce120e373c5b9aaa0355de212bd6a01bb8e3f82f24434c47199.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2036 wrote to memory of 2364 N/A C:\Users\Admin\AppData\Local\Temp\859fee1858597ce120e373c5b9aaa0355de212bd6a01bb8e3f82f24434c47199.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2364 wrote to memory of 2656 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 2364 wrote to memory of 2656 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 2364 wrote to memory of 2656 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 2364 wrote to memory of 2656 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 2656 wrote to memory of 1696 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2656 wrote to memory of 1696 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2656 wrote to memory of 1696 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2656 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\859fee1858597ce120e373c5b9aaa0355de212bd6a01bb8e3f82f24434c47199.exe

"C:\Users\Admin\AppData\Local\Temp\859fee1858597ce120e373c5b9aaa0355de212bd6a01bb8e3f82f24434c47199.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
US 8.8.8.8:53 lousta.net udp
US 8.8.8.8:53 mkkuei4kdsz.com udp
US 8.8.8.8:53 ow5dirasuek.com udp
US 8.8.8.8:53 lousta.net udp
US 8.8.8.8:53 lousta.net udp
US 8.8.8.8:53 mkkuei4kdsz.com udp

Files

memory/2036-1-0x0000000000400000-0x000000000042A000-memory.dmp

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

MD5 e71bbf56a5d2c19533bf3e901124296c
SHA1 d734c5135fbe76bbb53650450231c6415549f783
SHA256 6468b436ca7d5d3bece8e173e011fd958f5b1b2f85e83ab812bbaed3cae25eec
SHA512 9015c754066ffd532755d7bf3e7da1eab593ac1684b6ca86792e4965c1ca2222d4953e3254acf8565b21fb0baf9bd3eeb5dc9aab63ac48e8abf3d851e1245ce4

memory/2364-9-0x0000000000400000-0x000000000042A000-memory.dmp

memory/2364-11-0x0000000000400000-0x000000000042A000-memory.dmp

\Windows\SysWOW64\omsecor.exe

MD5 1850eec893322a01c27b5d40bad72d4f
SHA1 81289f8c50fc25362f0151b5a88d277511f4f209
SHA256 a6276823ee07f60b8b22ff44d714fd0bf89c88781fbcce3702361c08b0cd1d2e
SHA512 3c971f629e10dfdd415761c0e085d15b717504efe5dcd3ca718576cb008f80e0ca725ca118fa1f04167d85da21238e358201abc8dae0b4b417c92709d34ca802

memory/2364-15-0x00000000002E0000-0x000000000030A000-memory.dmp

memory/2364-21-0x0000000000400000-0x000000000042A000-memory.dmp

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

MD5 f5349b2e45ac633e965aaa9c596f389c
SHA1 dd2e762e733fc4caf2b613060b04db75fbc2b4b7
SHA256 979a75bb2e42d39db8d9f0295407104006f29dfbe988c26f881e3cdd3cb1b96a
SHA512 2d1b47cab34aa435eec1ade9fa733b0b277cbd9075ec24bd03804f60ba30e304109b378d50d88d742a93465c8c8529e200c045dda3df26bd6f7f6f4d1e468c2d

memory/2656-26-0x0000000000220000-0x000000000024A000-memory.dmp

memory/2656-31-0x0000000000400000-0x000000000042A000-memory.dmp

memory/1696-34-0x0000000000400000-0x000000000042A000-memory.dmp

memory/1696-35-0x0000000000400000-0x000000000042A000-memory.dmp