Malware Analysis Report

2024-11-16 12:58

Sample ID 240818-gjs73s1hlj
Target 20cf26a21e2369301dc9074311243430N.exe
SHA256 3343e7feb1c5fbcdfb52fb8194c669177c7b784794c5253fe33b213e59835794
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

3343e7feb1c5fbcdfb52fb8194c669177c7b784794c5253fe33b213e59835794

Threat Level: Known bad

The file 20cf26a21e2369301dc9074311243430N.exe was found to be: Known bad.

Malicious Activity Summary

neconyd discovery trojan

Neconyd

Executes dropped EXE

Loads dropped DLL

Drops file in System32 directory

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-18 05:50

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-18 05:50

Reported

2024-08-18 05:52

Platform

win7-20240704-en

Max time kernel

115s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\20cf26a21e2369301dc9074311243430N.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\Local\Temp\20cf26a21e2369301dc9074311243430N.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
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Roaming\omsecor.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1848 wrote to memory of 2156 N/A C:\Users\Admin\AppData\Local\Temp\20cf26a21e2369301dc9074311243430N.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 1848 wrote to memory of 2156 N/A C:\Users\Admin\AppData\Local\Temp\20cf26a21e2369301dc9074311243430N.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 1848 wrote to memory of 2156 N/A C:\Users\Admin\AppData\Local\Temp\20cf26a21e2369301dc9074311243430N.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 1848 wrote to memory of 2156 N/A C:\Users\Admin\AppData\Local\Temp\20cf26a21e2369301dc9074311243430N.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2156 wrote to memory of 1980 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 2156 wrote to memory of 1980 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 2156 wrote to memory of 1980 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 2156 wrote to memory of 1980 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 1980 wrote to memory of 1380 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 1980 wrote to memory of 1380 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 1980 wrote to memory of 1380 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 1980 wrote to memory of 1380 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe

Processes

C:\Users\Admin\AppData\Local\Temp\20cf26a21e2369301dc9074311243430N.exe

"C:\Users\Admin\AppData\Local\Temp\20cf26a21e2369301dc9074311243430N.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
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

Files

memory/1848-0-0x0000000000400000-0x000000000042A000-memory.dmp

memory/1848-3-0x0000000000220000-0x000000000024A000-memory.dmp

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

MD5 36e09929e35c9c312c6b2e069c7233ea
SHA1 c8f452a4fc4c078dba3e529906818313332fc846
SHA256 5e84bbeedf022d819371d3c4d643671d2db2444e65b8ad7cd7df6921096e2b7b
SHA512 53f4b9aea01e3c6f453bdc9e51ae0f7a9c39c03d7b32aa9a0b348c1bc959939c00b0e1fa0a1c6d7d2c180e9537a63e22400f3d60bbdeec3360545679ebf5d473

memory/1848-11-0x0000000000400000-0x000000000042A000-memory.dmp

memory/1848-10-0x0000000000220000-0x000000000024A000-memory.dmp

memory/2156-14-0x0000000000400000-0x000000000042A000-memory.dmp

memory/2156-17-0x0000000000400000-0x000000000042A000-memory.dmp

memory/2156-20-0x0000000000400000-0x000000000042A000-memory.dmp

memory/2156-23-0x0000000000400000-0x000000000042A000-memory.dmp

\Windows\SysWOW64\omsecor.exe

MD5 19ea4e3a3305bcea790611e70f0b935b
SHA1 ae36114d3a2e867ac768daa9266fa476808eea60
SHA256 7655659c2b9bc164f36ffaafb9f26412a42d78ed3280e3550fe28d0dd2c83c34
SHA512 6d4f893636064d3ddb4e0c1040c3590e6781ccb19c27b792fca2bb450c43d2c4eb31389a1050212d1390b4ed55cb53faaf7f09b3788874871edaf53579d886ff

memory/2156-33-0x0000000000400000-0x000000000042A000-memory.dmp

memory/1980-35-0x0000000000400000-0x000000000042A000-memory.dmp

memory/2156-27-0x00000000003B0000-0x00000000003DA000-memory.dmp

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

MD5 0cf8fcef8eef625b25dbbcdc4bedfaad
SHA1 6b185736fcd27cc525df01f94bba01b67b13f819
SHA256 c44cfb7d0e63ee24281c38c09066e230dc0438f9b8d903ca95a8c44c33cff653
SHA512 3ec6b7f3e4f015d839c410a38d978d338195a0f235edbbb53c9d7657a95c3cdef407689c912edcbd48c175a3d5a15691cab1852ca0a93abba8bbdacea203bfa1

memory/1380-47-0x0000000000400000-0x000000000042A000-memory.dmp

memory/1980-46-0x0000000000400000-0x000000000042A000-memory.dmp

memory/1380-49-0x0000000000400000-0x000000000042A000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-18 05:50

Reported

2024-08-18 05:52

Platform

win10v2004-20240802-en

Max time kernel

114s

Max time network

119s

Command Line

"C:\Users\Admin\AppData\Local\Temp\20cf26a21e2369301dc9074311243430N.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 opened for modification C:\Windows\SysWOW64\merocz.xc6 C:\Windows\SysWOW64\omsecor.exe N/A
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\Local\Temp\20cf26a21e2369301dc9074311243430N.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\20cf26a21e2369301dc9074311243430N.exe

"C:\Users\Admin\AppData\Local\Temp\20cf26a21e2369301dc9074311243430N.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 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 69.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.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 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 192.142.123.92.in-addr.arpa udp
US 8.8.8.8:53 mkkuei4kdsz.com udp
US 64.225.91.73:80 mkkuei4kdsz.com tcp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 73.91.225.64.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.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 14.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
FI 193.166.255.171:80 lousta.net tcp

Files

memory/2976-0-0x0000000000400000-0x000000000042A000-memory.dmp

memory/2976-5-0x0000000000400000-0x000000000042A000-memory.dmp

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

MD5 36e09929e35c9c312c6b2e069c7233ea
SHA1 c8f452a4fc4c078dba3e529906818313332fc846
SHA256 5e84bbeedf022d819371d3c4d643671d2db2444e65b8ad7cd7df6921096e2b7b
SHA512 53f4b9aea01e3c6f453bdc9e51ae0f7a9c39c03d7b32aa9a0b348c1bc959939c00b0e1fa0a1c6d7d2c180e9537a63e22400f3d60bbdeec3360545679ebf5d473

memory/4380-7-0x0000000000400000-0x000000000042A000-memory.dmp

memory/4380-8-0x0000000000400000-0x000000000042A000-memory.dmp

memory/4380-11-0x0000000000400000-0x000000000042A000-memory.dmp

memory/4380-14-0x0000000000400000-0x000000000042A000-memory.dmp

memory/4380-15-0x0000000000400000-0x000000000042A000-memory.dmp

C:\Windows\SysWOW64\omsecor.exe

MD5 fcb79404391d581636891bd8180ba45f
SHA1 a96a74f2f0a09c8ca546833beec6da420e87e03c
SHA256 713fe7dddc3e5f29935b2b1e9b34478ace82dd3277792c9b41d62667974a0a77
SHA512 8ce0b8e24adfa352c6f3c7d2d9940896be6290e3da30e66d8eb5f996b903802e5bbfe9275bab44bc1517651d5a769f7f42711ed66150ca514a52e088b9516a1d

memory/5064-20-0x0000000000400000-0x000000000042A000-memory.dmp

memory/4380-22-0x0000000000400000-0x000000000042A000-memory.dmp

memory/5064-23-0x0000000000400000-0x000000000042A000-memory.dmp