Malware Analysis Report

2024-11-16 12:59

Sample ID 240816-2z4zqswdpj
Target 640dd7753d58ebfaed928b8018337060N.exe
SHA256 703ba512bd314a8de45ef42bd79a0f652f21729ebaf14ac00c6a1ed6e26254cb
Tags
upx 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

703ba512bd314a8de45ef42bd79a0f652f21729ebaf14ac00c6a1ed6e26254cb

Threat Level: Known bad

The file 640dd7753d58ebfaed928b8018337060N.exe was found to be: Known bad.

Malicious Activity Summary

upx neconyd discovery trojan

Neconyd family

Neconyd

Executes dropped EXE

Loads dropped DLL

UPX packed file

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

2024-08-16 23:02

Signatures

Neconyd family

neconyd

UPX packed file

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

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-16 23:02

Reported

2024-08-16 23:04

Platform

win7-20240708-en

Max time kernel

119s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\640dd7753d58ebfaed928b8018337060N.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

UPX packed file

upx
Description Indicator Process Target
N/A N/A N/A N/A
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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:\Users\Admin\AppData\Local\Temp\640dd7753d58ebfaed928b8018337060N.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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2088 wrote to memory of 2252 N/A C:\Users\Admin\AppData\Local\Temp\640dd7753d58ebfaed928b8018337060N.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2088 wrote to memory of 2252 N/A C:\Users\Admin\AppData\Local\Temp\640dd7753d58ebfaed928b8018337060N.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2088 wrote to memory of 2252 N/A C:\Users\Admin\AppData\Local\Temp\640dd7753d58ebfaed928b8018337060N.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2088 wrote to memory of 2252 N/A C:\Users\Admin\AppData\Local\Temp\640dd7753d58ebfaed928b8018337060N.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2252 wrote to memory of 2780 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 2252 wrote to memory of 2780 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 2252 wrote to memory of 2780 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 2252 wrote to memory of 2780 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 2780 wrote to memory of 2836 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2780 wrote to memory of 2836 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2780 wrote to memory of 2836 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2780 wrote to memory of 2836 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe

Processes

C:\Users\Admin\AppData\Local\Temp\640dd7753d58ebfaed928b8018337060N.exe

"C:\Users\Admin\AppData\Local\Temp\640dd7753d58ebfaed928b8018337060N.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
FI 193.166.255.171:80 lousta.net tcp
FI 193.166.255.171:80 lousta.net tcp

Files

memory/2088-0-0x0000000000400000-0x000000000042D000-memory.dmp

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

MD5 c7e66cd5e33f172eb3406115d74ff886
SHA1 eed57097123243e89af85b974a3c8f0c738655c6
SHA256 f334f75d51c82b352f7de620a41e6bfe39d762b4c8e1620a9d7f7ebdf7089595
SHA512 61d8f69e5e980be711440deb8bd691fd887665239a05fe38b6a78b9a35c8f13b57b3b80065644570a10b1018e237067320c2403277d64328426019d1e43ca41b

memory/2088-10-0x0000000000220000-0x000000000024D000-memory.dmp

memory/2252-14-0x0000000000400000-0x000000000042D000-memory.dmp

memory/2088-12-0x0000000000400000-0x000000000042D000-memory.dmp

memory/2088-9-0x0000000000220000-0x000000000024D000-memory.dmp

memory/2252-15-0x0000000000400000-0x000000000042D000-memory.dmp

memory/2252-18-0x0000000000400000-0x000000000042D000-memory.dmp

memory/2252-21-0x0000000000400000-0x000000000042D000-memory.dmp

memory/2252-24-0x0000000000400000-0x000000000042D000-memory.dmp

\Windows\SysWOW64\omsecor.exe

MD5 f4c7f54edee79685642ca16e7cf8cd13
SHA1 56c7377482592af3ebc235c034cf1c574c251822
SHA256 b32390a4858a1e14758f3be7bc9c6faa50e6e31f7395f33f8a5e525749e12e0d
SHA512 d0233b0b186d625805a074a02a5145bb1c31470da0cc7ddf6c03e197376bce6349c523eeee0f0f36b42a6e9308f628c74c424a0570eb256f1f897f979f4c736b

memory/2780-39-0x0000000000400000-0x000000000042D000-memory.dmp

memory/2252-35-0x0000000000400000-0x000000000042D000-memory.dmp

memory/2252-33-0x0000000000430000-0x000000000045D000-memory.dmp

memory/2252-32-0x0000000000430000-0x000000000045D000-memory.dmp

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

MD5 a266deb9efcb9ae21e0b2c68495a22f9
SHA1 0b842d50826e0c64a049e23977676ad886d3c3bd
SHA256 529f63a00d77b13984a650dd34b8b0e7f9e356e58bcb0b7a364b38eb98cbb7bb
SHA512 d15f88aa8f99a7012795ef3944cdc40058624cadc1ce996e899b275ba75b0b6e6a1de8ffe4b39334cd0f997c4feb2f9d7a3298349f7a81ed16914acf2ab2eee3

memory/2836-48-0x0000000000400000-0x000000000042D000-memory.dmp

memory/2836-50-0x0000000000400000-0x000000000042D000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-16 23:02

Reported

2024-08-16 23:04

Platform

win10v2004-20240802-en

Max time kernel

114s

Max time network

111s

Command Line

"C:\Users\Admin\AppData\Local\Temp\640dd7753d58ebfaed928b8018337060N.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

UPX packed file

upx
Description Indicator Process Target
N/A N/A N/A N/A
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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\640dd7753d58ebfaed928b8018337060N.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\640dd7753d58ebfaed928b8018337060N.exe

"C:\Users\Admin\AppData\Local\Temp\640dd7753d58ebfaed928b8018337060N.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 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 23.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
FI 193.166.255.171:80 lousta.net tcp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.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 88.156.103.20.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 104.155.138.21:80 ow5dirasuek.com tcp
US 8.8.8.8:53 21.138.155.104.in-addr.arpa udp
FI 193.166.255.171:80 lousta.net tcp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp

Files

memory/2660-0-0x0000000000400000-0x000000000042D000-memory.dmp

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

MD5 c7e66cd5e33f172eb3406115d74ff886
SHA1 eed57097123243e89af85b974a3c8f0c738655c6
SHA256 f334f75d51c82b352f7de620a41e6bfe39d762b4c8e1620a9d7f7ebdf7089595
SHA512 61d8f69e5e980be711440deb8bd691fd887665239a05fe38b6a78b9a35c8f13b57b3b80065644570a10b1018e237067320c2403277d64328426019d1e43ca41b

memory/2660-6-0x0000000000400000-0x000000000042D000-memory.dmp

memory/3864-4-0x0000000000400000-0x000000000042D000-memory.dmp

memory/3864-7-0x0000000000400000-0x000000000042D000-memory.dmp

memory/3864-10-0x0000000000400000-0x000000000042D000-memory.dmp

memory/3864-13-0x0000000000400000-0x000000000042D000-memory.dmp

memory/3864-14-0x0000000000400000-0x000000000042D000-memory.dmp

memory/3268-19-0x0000000000400000-0x000000000042D000-memory.dmp

C:\Windows\SysWOW64\omsecor.exe

MD5 ac44719ca4762400519aae93a5ba8aa5
SHA1 94c11f1ff0bceeedb501a56ba61812d6f5c920a6
SHA256 d579ecbfb5290db31e71f147f4a878e81366af442dccb6d8be099acbdbcabdb4
SHA512 4c682603a47c5d532ce751f80f44a33bd91efc8a1442342f8f5fadcbc0ba6192dda1b94ee90a66958435eb9602faee046f41dc7384fc07f1fdf0c496b577bb07

memory/3864-22-0x0000000000400000-0x000000000042D000-memory.dmp

memory/3268-23-0x0000000000400000-0x000000000042D000-memory.dmp